diff --git a/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1.ll b/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1.ll new file mode 100644 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1.ll @@ -0,0 +1,1219 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 +; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=2 %s -S | FileCheck %s + +; Tests for checking uniformity within a VF. + +; for (iv = 0 ; ; iv += 1) B[iv] = A[iv/1] + 42; +define void @ld_div1_step1_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step1_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv i64 [[TMP0]], 1 +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP4:%.*]] = add nsw <2 x i64> [[WIDE_LOAD]], +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[TMP5]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP4]], ptr [[TMP6]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 1 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 1) B[iv] = A[iv/2] + 42; +define void @ld_div2_step1_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step1_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i64> [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP1]], i32 1 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = load i64, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> poison, i64 [[TMP6]], i32 0 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> [[TMP8]], i64 [[TMP7]], i32 1 +; CHECK-NEXT: [[TMP10:%.*]] = add nsw <2 x i64> [[TMP9]], +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[TMP11]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP10]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP5:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 1) B[iv] = A[iv/3] + 42; +define void @ld_div3_step1_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step1_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i64> [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP1]], i32 1 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = load i64, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> poison, i64 [[TMP6]], i32 0 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> [[TMP8]], i64 [[TMP7]], i32 1 +; CHECK-NEXT: [[TMP10:%.*]] = add nsw <2 x i64> [[TMP9]], +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[TMP11]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP10]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP7:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 2) B[iv] = A[iv/1] + 42; +define void @ld_div1_step2_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step2_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i64> [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i32 0 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> [[TMP9]], i64 [[TMP8]], i32 1 +; CHECK-NEXT: [[TMP11:%.*]] = add nsw <2 x i64> [[TMP10]], +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x i64> [[TMP11]], i32 0 +; CHECK-NEXT: store i64 [[TMP14]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP11]], i32 1 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], 500 +; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 500, 500 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP9:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 1 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 2) B[iv] = A[iv/2] + 42; +define void @ld_div2_step2_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step2_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = udiv i64 [[TMP0]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[WIDE_LOAD]], +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: store i64 [[TMP8]], ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: store i64 [[TMP9]], ptr [[TMP7]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 500 +; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 500, 500 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP11:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 2) B[iv] = A[iv/3] + 42; +define void @ld_div3_step2_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step2_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i64> [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i32 0 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> [[TMP9]], i64 [[TMP8]], i32 1 +; CHECK-NEXT: [[TMP11:%.*]] = add nsw <2 x i64> [[TMP10]], +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x i64> [[TMP11]], i32 0 +; CHECK-NEXT: store i64 [[TMP14]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP11]], i32 1 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], 500 +; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 500, 500 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP13:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 3) B[iv] = A[iv/1] + 42; +define void @ld_div1_step3_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step3_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i64> [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i32 0 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> [[TMP9]], i64 [[TMP8]], i32 1 +; CHECK-NEXT: [[TMP11:%.*]] = add nsw <2 x i64> [[TMP10]], +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x i64> [[TMP11]], i32 0 +; CHECK-NEXT: store i64 [[TMP14]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP11]], i32 1 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 996, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP15:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 1 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 3) B[iv] = A[iv/2] + 42; +define void @ld_div2_step3_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step3_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i64> [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i32 0 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> [[TMP9]], i64 [[TMP8]], i32 1 +; CHECK-NEXT: [[TMP11:%.*]] = add nsw <2 x i64> [[TMP10]], +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x i64> [[TMP11]], i32 0 +; CHECK-NEXT: store i64 [[TMP14]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP11]], i32 1 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 996, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP17:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 3) B[iv] = A[iv/3] + 42; +define void @ld_div3_step3_start0_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step3_start0_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = udiv i64 [[TMP0]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i64> [[WIDE_LOAD]], +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: store i64 [[TMP8]], ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: store i64 [[TMP9]], ptr [[TMP7]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 996, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP19:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 1) B[iv] = A[iv/1] + 42; +define void @ld_div1_step1_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step1_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv i64 [[TMP0]], 1 +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP4:%.*]] = add nsw <2 x i64> [[WIDE_LOAD]], +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[TMP5]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP4]], ptr [[TMP6]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 998 +; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 998 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 999, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP21:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 1 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 1) B[iv] = A[iv/2] + 42; +define void @ld_div2_step1_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step1_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i64> [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP1]], i32 1 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = load i64, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> poison, i64 [[TMP6]], i32 0 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> [[TMP8]], i64 [[TMP7]], i32 1 +; CHECK-NEXT: [[TMP10:%.*]] = add nsw <2 x i64> [[TMP9]], +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[TMP11]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP10]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], 998 +; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 998 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 999, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP23:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 1) B[iv] = A[iv/3] + 42; +define void @ld_div3_step1_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step1_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i64> [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP1]], i32 1 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = load i64, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP7:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> poison, i64 [[TMP6]], i32 0 +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x i64> [[TMP8]], i64 [[TMP7]], i32 1 +; CHECK-NEXT: [[TMP10:%.*]] = add nsw <2 x i64> [[TMP9]], +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[TMP11]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP10]], ptr [[TMP12]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], 998 +; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 998 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 999, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP25:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 2) B[iv] = A[iv/1] + 42; +define void @ld_div1_step2_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step2_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP12]], i32 0 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP12]], i32 1 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], 498 +; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 499, 498 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP27:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 1 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 2) B[iv] = A[iv/2] + 42; +define void @ld_div2_step2_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step2_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = udiv i64 [[TMP1]], 2 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP4]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP6:%.*]] = add nsw <2 x i64> [[WIDE_LOAD]], +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i64> [[TMP6]], i32 0 +; CHECK-NEXT: store i64 [[TMP9]], ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i64> [[TMP6]], i32 1 +; CHECK-NEXT: store i64 [[TMP10]], ptr [[TMP8]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], 498 +; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 499, 498 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 2) B[iv] = A[iv/3] + 42; +define void @ld_div3_step2_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step2_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP12]], i32 0 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP12]], i32 1 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], 498 +; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 499, 498 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 3) B[iv] = A[iv/1] + 42; +define void @ld_div1_step3_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step3_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP12]], i32 0 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP12]], i32 1 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP33:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 1 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 3) B[iv] = A[iv/2] + 42; +define void @ld_div2_step3_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step3_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i64> [[TMP12]], i32 0 +; CHECK-NEXT: store i64 [[TMP15]], ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP12]], i32 1 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP35:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1 ; ; iv += 3) B[iv] = A[iv/3] + 42; +define void @ld_div3_step3_start1_ind1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step3_start1_ind1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = udiv i64 [[TMP1]], 3 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP4]], i32 0 +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP6:%.*]] = add nsw <2 x i64> [[WIDE_LOAD]], +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i64> [[TMP6]], i32 0 +; CHECK-NEXT: store i64 [[TMP9]], ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i64> [[TMP6]], i32 1 +; CHECK-NEXT: store i64 [[TMP10]], ptr [[TMP8]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP37:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} diff --git a/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction2.ll b/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction2.ll new file mode 100644 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction2.ll @@ -0,0 +1,1493 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 +; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=2 %s -S | FileCheck %s + +; for (iv = 0, iv2 = 0 ; ; iv += 1, iv2 += 1) B[iv] = A[iv/1 + iv2/1] + 42; +define void @ld_div1_step1_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step1_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 1 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 1 + %div2 = udiv i64 %iv2, 1 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 1, iv2 += 1) B[iv] = A[iv/2 + iv2/2] + 42; +define void @ld_div2_step1_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step1_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 2 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP5:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 2 + %div2 = udiv i64 %iv2, 2 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 1, iv2 += 1) B[iv] = A[iv/3 + iv2/3] + 42; +define void @ld_div3_step1_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step1_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 3 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP7:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 3 + %div2 = udiv i64 %iv2, 3 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 2, iv2 += 1) B[iv] = A[iv/1 + iv2/1] + 42; +define void @ld_div1_step2_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step2_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i64> [[TMP2]], [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> poison, i64 [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> [[TMP11]], i64 [[TMP10]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw <2 x i64> [[TMP12]], +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 500 +; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 500, 500 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 500, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 1 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP9:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 1 + %div2 = udiv i64 %iv2, 1 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 2, iv2 += 1) B[iv] = A[iv/2 + iv2/2] + 42; +define void @ld_div2_step2_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step2_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i64> [[TMP2]], [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> poison, i64 [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> [[TMP11]], i64 [[TMP10]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw <2 x i64> [[TMP12]], +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 500 +; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 500, 500 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 500, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 2 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP11:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 2 + %div2 = udiv i64 %iv2, 2 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 2, iv2 += 1) B[iv] = A[iv/3 + iv2/3] + 42; +define void @ld_div3_step2_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step2_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i64> [[TMP2]], [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> poison, i64 [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> [[TMP11]], i64 [[TMP10]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw <2 x i64> [[TMP12]], +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 500 +; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 500, 500 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 500, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 3 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP13:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 3 + %div2 = udiv i64 %iv2, 3 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 3, iv2 += 1) B[iv] = A[iv/1 + iv2/1] + 42; +define void @ld_div1_step3_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step3_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i64> [[TMP2]], [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> poison, i64 [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> [[TMP11]], i64 [[TMP10]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw <2 x i64> [[TMP12]], +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 996, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 332, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 1 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP15:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 1 + %div2 = udiv i64 %iv2, 1 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 3, iv2 += 1) B[iv] = A[iv/2 + iv2/2] + 42; +define void @ld_div2_step3_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step3_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i64> [[TMP2]], [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> poison, i64 [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> [[TMP11]], i64 [[TMP10]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw <2 x i64> [[TMP12]], +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 996, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 332, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 2 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP17:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 2 + %div2 = udiv i64 %iv2, 2 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0, iv2 = 0 ; ; iv += 3, iv2 += 1) B[iv] = A[iv/3 + iv2/3] + 42; +define void @ld_div3_step3_start0_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step3_start0_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i64> [[TMP2]], [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i64> [[TMP4]], i32 0 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <2 x i64> [[TMP4]], i32 1 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> poison, i64 [[TMP9]], i32 0 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> [[TMP11]], i64 [[TMP10]], i32 1 +; CHECK-NEXT: [[TMP13:%.*]] = add nsw <2 x i64> [[TMP12]], +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0 +; CHECK-NEXT: store i64 [[TMP16]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 996, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 332, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 3 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP19:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 3 + %div2 = udiv i64 %iv2, 3 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 1, iv2 += 1) B[iv] = A[iv/1 + iv2/1] + 42; +define void @ld_div1_step1_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step1_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 998 +; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 998 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 999, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 998, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 1 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP21:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 1 + %div2 = udiv i64 %iv2, 1 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 1, iv2 += 1) B[iv] = A[iv/2 + iv2/2] + 42; +define void @ld_div2_step1_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step1_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 998 +; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 998 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 999, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 998, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 2 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP23:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 2 + %div2 = udiv i64 %iv2, 2 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 1, iv2 += 1) B[iv] = A[iv/3 + iv2/3] + 42; +define void @ld_div3_step1_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step1_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i64> [[TMP1]], [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x i64> poison, i64 [[TMP8]], i32 0 +; CHECK-NEXT: [[TMP11:%.*]] = insertelement <2 x i64> [[TMP10]], i64 [[TMP9]], i32 1 +; CHECK-NEXT: [[TMP12:%.*]] = add nsw <2 x i64> [[TMP11]], +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[TMP13]], i32 0 +; CHECK-NEXT: store <2 x i64> [[TMP12]], ptr [[TMP14]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 998 +; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 998 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 999, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 998, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 3 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP25:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 3 + %div2 = udiv i64 %iv2, 3 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 2, iv2 += 1) B[iv] = A[iv/1 + iv2/1] + 42; +define void @ld_div1_step2_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step2_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP3]], [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP10]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP11]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = add nsw <2 x i64> [[TMP13]], +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP14]], i32 0 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP14]], i32 1 +; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP16]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], 498 +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 499, 498 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 498, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 1 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP27:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 1 + %div2 = udiv i64 %iv2, 1 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 2, iv2 += 1) B[iv] = A[iv/2 + iv2/2] + 42; +define void @ld_div2_step2_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step2_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP3]], [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP10]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP11]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = add nsw <2 x i64> [[TMP13]], +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP14]], i32 0 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP14]], i32 1 +; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP16]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], 498 +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 499, 498 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 498, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 2 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP29:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 2 + %div2 = udiv i64 %iv2, 2 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 2, iv2 += 1) B[iv] = A[iv/3 + iv2/3] + 42; +define void @ld_div3_step2_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step2_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 2 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 2 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP3]], [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP10]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP11]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = add nsw <2 x i64> [[TMP13]], +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP14]], i32 0 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP14]], i32 1 +; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP16]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], 498 +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 499, 498 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 498, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 3 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 2 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP31:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 3 + %div2 = udiv i64 %iv2, 3 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 2 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 3, iv2 += 1) B[iv] = A[iv/1 + iv2/1] + 42; +define void @ld_div1_step3_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div1_step3_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP3]], [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP10]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP11]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = add nsw <2 x i64> [[TMP13]], +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP14]], i32 0 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP14]], i32 1 +; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP16]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 332, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 1 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 1 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP33:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 1 + %div2 = udiv i64 %iv2, 1 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 3, iv2 += 1) B[iv] = A[iv/2 + iv2/2] + 42; +define void @ld_div2_step3_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_step3_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP3]], [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP10]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP11]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = add nsw <2 x i64> [[TMP13]], +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP14]], i32 0 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP14]], i32 1 +; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP16]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 332, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 2 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP35:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 2 + %div2 = udiv i64 %iv2, 2 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 1, iv2 = 0 ; ; iv += 3, iv2 += 1) B[iv] = A[iv/3 + iv2/3] + 42; +define void @ld_div3_step3_start1_ind2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div3_step3_start1_ind2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 3 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[TMP0]] +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[OFFSET_IDX]], 3 +; CHECK-NEXT: [[TMP3:%.*]] = udiv <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP4:%.*]] = udiv <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i64> [[TMP3]], [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[TMP5]], i32 0 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i64> [[TMP5]], i32 1 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i64> poison, i64 [[TMP10]], i32 0 +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i64> [[TMP12]], i64 [[TMP11]], i32 1 +; CHECK-NEXT: [[TMP14:%.*]] = add nsw <2 x i64> [[TMP13]], +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP1]] +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <2 x i64> [[TMP14]], i32 0 +; CHECK-NEXT: store i64 [[TMP17]], ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP14]], i32 1 +; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP16]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i64> [[VEC_IND2]], +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], 332 +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 333, 332 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 997, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY:%.*]] ] +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 332, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV2:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV2_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV1:%.*]] = udiv i64 [[IV]], 3 +; CHECK-NEXT: [[DIV2:%.*]] = udiv i64 [[IV2]], 3 +; CHECK-NEXT: [[ADD:%.*]] = add i64 [[DIV1]], [[DIV2]] +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[ADD]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV2_NEXT]] = add nsw i64 [[IV2]], 1 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 3 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP37:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 1, %entry ], [ %iv_next, %loop ] + %iv2 = phi i64 [ 0, %entry ], [ %iv2_next, %loop ] + %div1 = udiv i64 %iv, 3 + %div2 = udiv i64 %iv2, 3 + %add = add i64 %div1, %div2 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %add + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv2_next = add nsw i64 %iv2, 1 + %iv_next = add nsw i64 %iv, 3 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +}