Index: lib/Analysis/ScalarEvolution.cpp =================================================================== --- lib/Analysis/ScalarEvolution.cpp +++ lib/Analysis/ScalarEvolution.cpp @@ -11553,6 +11553,12 @@ if (!PredicatedRewrite) return Expr; for (auto *P : PredicatedRewrite->second){ + // Wrap predicates from outer loops are not supported. + if (auto *WP = dyn_cast(P)) { + auto *AR = cast(WP->getExpr()); + if (L != AR->getLoop()) + return Expr; + } if (!addOverflowAssumption(P)) return Expr; } Index: test/Transforms/LoopVectorize/pr35432.ll =================================================================== --- test/Transforms/LoopVectorize/pr35432.ll +++ test/Transforms/LoopVectorize/pr35432.ll @@ -0,0 +1,213 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -loop-vectorize -S < %s | FileCheck %s + +; The test checks that there is no assert caused by issue described in PR35432 + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +@a = common local_unnamed_addr global [192 x [192 x i32]] zeroinitializer, align 16 + +; Function Attrs: nounwind uwtable +define i32 @main() local_unnamed_addr #0 { +; CHECK-LABEL: @main( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4 +; CHECK-NEXT: [[S:%.*]] = alloca i16, align 2 +; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[I]] to i8* +; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[TMP0]]) +; CHECK-NEXT: store i32 0, i32* [[I]], align 4 +; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[S]] to i8* +; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 2, i8* nonnull [[TMP1]]) +; CHECK-NEXT: [[CALL:%.*]] = call i32 (i32*, ...) bitcast (i32 (...)* @goo to i32 (i32*, ...)*)(i32* nonnull [[I]]) +; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[I]], align 4 +; CHECK-NEXT: [[STOREMERGE6:%.*]] = trunc i32 [[TMP2]] to i16 +; CHECK-NEXT: store i16 [[STOREMERGE6]], i16* [[S]], align 2 +; CHECK-NEXT: [[CONV17:%.*]] = and i32 [[TMP2]], 65472 +; CHECK-NEXT: [[CMP8:%.*]] = icmp eq i32 [[CONV17]], 0 +; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END12:%.*]] +; CHECK: for.body.lr.ph: +; CHECK-NEXT: [[TMP3:%.*]] = sub i32 -1, [[TMP2]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[STOREMERGE_IN9:%.*]] = phi i32 [ [[TMP2]], [[FOR_BODY_LR_PH]] ], [ [[ADD:%.*]], [[FOR_INC9:%.*]] ] +; CHECK-NEXT: [[CONV52:%.*]] = and i32 [[STOREMERGE_IN9]], 255 +; CHECK-NEXT: [[CMP63:%.*]] = icmp ult i32 [[TMP2]], [[CONV52]] +; CHECK-NEXT: br i1 [[CMP63]], label [[FOR_BODY8_LR_PH:%.*]], label [[FOR_INC9]] +; CHECK: for.body8.lr.ph: +; CHECK-NEXT: [[CONV3:%.*]] = trunc i32 [[STOREMERGE_IN9]] to i8 +; CHECK-NEXT: [[DOTPROMOTED:%.*]] = load i32, i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16 +; CHECK-NEXT: [[TMP4:%.*]] = add i8 [[CONV3]], -1 +; CHECK-NEXT: [[TMP5:%.*]] = zext i8 [[TMP4]] to i32 +; CHECK-NEXT: [[TMP6:%.*]] = sub i32 -1, [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP6]], [[TMP3]] +; CHECK-NEXT: [[UMAX:%.*]] = select i1 [[TMP7]], i32 [[TMP6]], i32 [[TMP3]] +; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[UMAX]], 2 +; CHECK-NEXT: [[TMP9:%.*]] = add i32 [[TMP8]], [[TMP5]] +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP9]], 8 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] +; CHECK: vector.scevcheck: +; CHECK-NEXT: [[TMP10:%.*]] = add i8 [[CONV3]], -1 +; CHECK-NEXT: [[TMP11:%.*]] = zext i8 [[TMP10]] to i32 +; CHECK-NEXT: [[TMP12:%.*]] = sub i32 -1, [[TMP11]] +; CHECK-NEXT: [[TMP13:%.*]] = icmp ugt i32 [[TMP12]], [[TMP3]] +; CHECK-NEXT: [[UMAX1:%.*]] = select i1 [[TMP13]], i32 [[TMP12]], i32 [[TMP3]] +; CHECK-NEXT: [[TMP14:%.*]] = add i32 [[UMAX1]], 1 +; CHECK-NEXT: [[TMP15:%.*]] = add i32 [[TMP14]], [[TMP11]] +; CHECK-NEXT: [[TMP16:%.*]] = trunc i32 [[TMP15]] to i8 +; CHECK-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 1, i8 [[TMP16]]) +; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0 +; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1 +; CHECK-NEXT: [[TMP17:%.*]] = add i8 [[TMP10]], [[MUL_RESULT]] +; CHECK-NEXT: [[TMP18:%.*]] = sub i8 [[TMP10]], [[MUL_RESULT]] +; CHECK-NEXT: [[TMP19:%.*]] = icmp ugt i8 [[TMP18]], [[TMP10]] +; CHECK-NEXT: [[TMP20:%.*]] = icmp ult i8 [[TMP17]], [[TMP10]] +; CHECK-NEXT: [[TMP21:%.*]] = select i1 true, i1 [[TMP19]], i1 [[TMP20]] +; CHECK-NEXT: [[TMP22:%.*]] = icmp ugt i32 [[TMP15]], 255 +; CHECK-NEXT: [[TMP23:%.*]] = or i1 [[TMP21]], [[TMP22]] +; CHECK-NEXT: [[TMP24:%.*]] = or i1 [[TMP23]], [[MUL_OVERFLOW]] +; CHECK-NEXT: [[TMP25:%.*]] = or i1 false, [[TMP24]] +; CHECK-NEXT: br i1 [[TMP25]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP9]], 8 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP9]], [[N_MOD_VF]] +; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8 +; CHECK-NEXT: [[IND_END:%.*]] = sub i8 [[CONV3]], [[CAST_CRD]] +; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> zeroinitializer, i32 [[DOTPROMOTED]], i32 0 +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TMP26]], [[VECTOR_PH]] ], [ [[TMP30:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP31:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP27:%.*]] = trunc i32 [[INDEX]] to i8 +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i8 [[CONV3]], [[TMP27]] +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i8> undef, i8 [[OFFSET_IDX]], i32 0 +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT]], <4 x i8> undef, <4 x i32> zeroinitializer +; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i8> [[BROADCAST_SPLAT]], +; CHECK-NEXT: [[INDUCTION3:%.*]] = add <4 x i8> [[BROADCAST_SPLAT]], +; CHECK-NEXT: [[TMP28:%.*]] = add i8 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[TMP29:%.*]] = add i8 [[OFFSET_IDX]], -4 +; CHECK-NEXT: [[TMP30]] = add <4 x i32> [[VEC_PHI]], +; CHECK-NEXT: [[TMP31]] = add <4 x i32> [[VEC_PHI2]], +; CHECK-NEXT: [[TMP32:%.*]] = add i8 [[TMP28]], -1 +; CHECK-NEXT: [[TMP33:%.*]] = add i8 [[TMP29]], -1 +; CHECK-NEXT: [[TMP34:%.*]] = zext i8 [[TMP32]] to i32 +; CHECK-NEXT: [[TMP35:%.*]] = zext i8 [[TMP33]] to i32 +; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8 +; CHECK-NEXT: [[TMP36:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP36]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0 +; CHECK: middle.block: +; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP31]], [[TMP30]] +; CHECK-NEXT: [[RDX_SHUF:%.*]] = shufflevector <4 x i32> [[BIN_RDX]], <4 x i32> undef, <4 x i32> +; CHECK-NEXT: [[BIN_RDX4:%.*]] = add <4 x i32> [[BIN_RDX]], [[RDX_SHUF]] +; CHECK-NEXT: [[RDX_SHUF5:%.*]] = shufflevector <4 x i32> [[BIN_RDX4]], <4 x i32> undef, <4 x i32> +; CHECK-NEXT: [[BIN_RDX6:%.*]] = add <4 x i32> [[BIN_RDX4]], [[RDX_SHUF5]] +; CHECK-NEXT: [[TMP37:%.*]] = extractelement <4 x i32> [[BIN_RDX6]], i32 0 +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP9]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND4_FOR_INC9_CRIT_EDGE:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[CONV3]], [[FOR_BODY8_LR_PH]] ], [ [[CONV3]], [[VECTOR_SCEVCHECK]] ] +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[DOTPROMOTED]], [[FOR_BODY8_LR_PH]] ], [ [[DOTPROMOTED]], [[VECTOR_SCEVCHECK]] ], [ [[TMP37]], [[MIDDLE_BLOCK]] ] +; CHECK-NEXT: br label [[FOR_BODY8:%.*]] +; CHECK: for.body8: +; CHECK-NEXT: [[INC5:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY8]] ] +; CHECK-NEXT: [[C_04:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[DEC:%.*]], [[FOR_BODY8]] ] +; CHECK-NEXT: [[INC]] = add i32 [[INC5]], 1 +; CHECK-NEXT: [[DEC]] = add i8 [[C_04]], -1 +; CHECK-NEXT: [[CONV5:%.*]] = zext i8 [[DEC]] to i32 +; CHECK-NEXT: [[CMP6:%.*]] = icmp ult i32 [[TMP2]], [[CONV5]] +; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY8]], label [[FOR_COND4_FOR_INC9_CRIT_EDGE]], !llvm.loop !2 +; CHECK: for.cond4.for.inc9_crit_edge: +; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_BODY8]] ], [ [[TMP37]], [[MIDDLE_BLOCK]] ] +; CHECK-NEXT: store i32 [[INC_LCSSA]], i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16 +; CHECK-NEXT: br label [[FOR_INC9]] +; CHECK: for.inc9: +; CHECK-NEXT: [[CONV10:%.*]] = and i32 [[STOREMERGE_IN9]], 65535 +; CHECK-NEXT: [[ADD]] = add nuw nsw i32 [[CONV10]], 1 +; CHECK-NEXT: [[CONV1:%.*]] = and i32 [[ADD]], 65472 +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[CONV1]], 0 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_FOR_END12_CRIT_EDGE:%.*]] +; CHECK: for.cond.for.end12_crit_edge: +; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_INC9]] ] +; CHECK-NEXT: [[STOREMERGE:%.*]] = trunc i32 [[ADD_LCSSA]] to i16 +; CHECK-NEXT: store i16 [[STOREMERGE]], i16* [[S]], align 2 +; CHECK-NEXT: br label [[FOR_END12]] +; CHECK: for.end12: +; CHECK-NEXT: [[CALL13:%.*]] = call i32 (i16*, ...) bitcast (i32 (...)* @foo to i32 (i16*, ...)*)(i16* nonnull [[S]]) +; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 2, i8* nonnull [[TMP1]]) +; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull [[TMP0]]) +; CHECK-NEXT: ret i32 0 +; +entry: + %i = alloca i32, align 4 + %s = alloca i16, align 2 + %0 = bitcast i32* %i to i8* + call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0) #3 + store i32 0, i32* %i, align 4 + %1 = bitcast i16* %s to i8* + call void @llvm.lifetime.start.p0i8(i64 2, i8* nonnull %1) #3 + %call = call i32 (i32*, ...) bitcast (i32 (...)* @goo to i32 (i32*, ...)*)(i32* nonnull %i) #3 + %2 = load i32, i32* %i, align 4 + %storemerge6 = trunc i32 %2 to i16 + store i16 %storemerge6, i16* %s, align 2 + %conv17 = and i32 %2, 65472 + %cmp8 = icmp eq i32 %conv17, 0 + br i1 %cmp8, label %for.body.lr.ph, label %for.end12 + +for.body.lr.ph: ; preds = %entry + br label %for.body + +for.body: ; preds = %for.body.lr.ph, %for.inc9 + %storemerge.in9 = phi i32 [ %2, %for.body.lr.ph ], [ %add, %for.inc9 ] + %conv52 = and i32 %storemerge.in9, 255 + %cmp63 = icmp ult i32 %2, %conv52 + br i1 %cmp63, label %for.body8.lr.ph, label %for.inc9 + +for.body8.lr.ph: ; preds = %for.body + %conv3 = trunc i32 %storemerge.in9 to i8 + %.promoted = load i32, i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16 + br label %for.body8 + +for.body8: ; preds = %for.body8.lr.ph, %for.body8 + %inc5 = phi i32 [ %.promoted, %for.body8.lr.ph ], [ %inc, %for.body8 ] + %c.04 = phi i8 [ %conv3, %for.body8.lr.ph ], [ %dec, %for.body8 ] + %inc = add i32 %inc5, 1 + %dec = add i8 %c.04, -1 + %conv5 = zext i8 %dec to i32 + %cmp6 = icmp ult i32 %2, %conv5 + br i1 %cmp6, label %for.body8, label %for.cond4.for.inc9_crit_edge + +for.cond4.for.inc9_crit_edge: ; preds = %for.body8 + %inc.lcssa = phi i32 [ %inc, %for.body8 ] + store i32 %inc.lcssa, i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16 + br label %for.inc9 + +for.inc9: ; preds = %for.cond4.for.inc9_crit_edge, %for.body + %conv10 = and i32 %storemerge.in9, 65535 + %add = add nuw nsw i32 %conv10, 1 + %conv1 = and i32 %add, 65472 + %cmp = icmp eq i32 %conv1, 0 + br i1 %cmp, label %for.body, label %for.cond.for.end12_crit_edge + +for.cond.for.end12_crit_edge: ; preds = %for.inc9 + %add.lcssa = phi i32 [ %add, %for.inc9 ] + %storemerge = trunc i32 %add.lcssa to i16 + store i16 %storemerge, i16* %s, align 2 + br label %for.end12 + +for.end12: ; preds = %for.cond.for.end12_crit_edge, %entry + %call13 = call i32 (i16*, ...) bitcast (i32 (...)* @foo to i32 (i16*, ...)*)(i16* nonnull %s) #3 + call void @llvm.lifetime.end.p0i8(i64 2, i8* nonnull %1) #3 + call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0) #3 + ret i32 0 +} + +; Function Attrs: argmemonly nounwind +declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 + +declare i32 @goo(...) local_unnamed_addr #2 + +declare i32 @foo(...) local_unnamed_addr #2 + +; Function Attrs: argmemonly nounwind +declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 Index: test/Transforms/LoopVectorize/pr36032.ll =================================================================== --- test/Transforms/LoopVectorize/pr36032.ll +++ test/Transforms/LoopVectorize/pr36032.ll @@ -0,0 +1,154 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -loop-vectorize -S < %s | FileCheck %s + +; The test checks that there is no assert caused by issue described in PR36032 + +target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" +target triple = "aarch64--" + +%struct.anon = type { i8 } + +@c = local_unnamed_addr global [6 x i8] zeroinitializer, align 1 +@b = internal global %struct.anon zeroinitializer, align 1 + +; Function Attrs: noreturn nounwind +define void @_Z1dv() local_unnamed_addr #0 { +; CHECK-LABEL: @_Z1dv( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[CALL:%.*]] = tail call i8* @"_ZN3$_01aEv"(%struct.anon* nonnull @b) +; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, i8* [[CALL]], i64 4 +; CHECK-NEXT: br label [[FOR_COND:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[F_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD5:%.*]], [[FOR_COND_CLEANUP:%.*]] ] +; CHECK-NEXT: [[G_0:%.*]] = phi i32 [ undef, [[ENTRY]] ], [ [[G_1_LCSSA:%.*]], [[FOR_COND_CLEANUP]] ] +; CHECK-NEXT: [[CMP12:%.*]] = icmp ult i32 [[G_0]], 4 +; CHECK-NEXT: [[CONV:%.*]] = and i32 [[F_0]], 65535 +; CHECK-NEXT: br i1 [[CMP12]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_COND_CLEANUP]] +; CHECK: for.body.lr.ph: +; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[G_0]] to i64 +; CHECK-NEXT: [[TMP1:%.*]] = sub i64 4, [[TMP0]] +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] +; CHECK: vector.scevcheck: +; CHECK-NEXT: [[TMP2:%.*]] = sub i64 3, [[TMP0]] +; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[G_0]], [[CONV]] +; CHECK-NEXT: [[TMP4:%.*]] = trunc i64 [[TMP2]] to i32 +; CHECK-NEXT: [[MUL:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 1, i32 [[TMP4]]) +; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i32, i1 } [[MUL]], 0 +; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i32, i1 } [[MUL]], 1 +; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP3]], [[MUL_RESULT]] +; CHECK-NEXT: [[TMP6:%.*]] = sub i32 [[TMP3]], [[MUL_RESULT]] +; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP6]], [[TMP3]] +; CHECK-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP5]], [[TMP3]] +; CHECK-NEXT: [[TMP9:%.*]] = select i1 false, i1 [[TMP7]], i1 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = icmp ugt i64 [[TMP2]], 4294967295 +; CHECK-NEXT: [[TMP11:%.*]] = or i1 [[TMP9]], [[TMP10]] +; CHECK-NEXT: [[TMP12:%.*]] = or i1 [[TMP11]], [[MUL_OVERFLOW]] +; CHECK-NEXT: [[TMP13:%.*]] = or i1 false, [[TMP12]] +; CHECK-NEXT: br i1 [[TMP13]], label [[SCALAR_PH]], label [[VECTOR_MEMCHECK:%.*]] +; CHECK: vector.memcheck: +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[CALL]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP14:%.*]] = add i32 [[G_0]], [[CONV]] +; CHECK-NEXT: [[TMP15:%.*]] = zext i32 [[TMP14]] to i64 +; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr [6 x i8], [6 x i8]* @c, i64 0, i64 [[TMP15]] +; CHECK-NEXT: [[TMP16:%.*]] = sub i64 [[TMP15]], [[TMP0]] +; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i8, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @c, i64 0, i64 4), i64 [[TMP16]] +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[SCEVGEP]], [[SCEVGEP3]] +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP2]], [[SCEVGEP1]] +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]] +; CHECK-NEXT: [[MEMCHECK_CONFLICT:%.*]] = and i1 [[FOUND_CONFLICT]], true +; CHECK-NEXT: br i1 [[MEMCHECK_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] +; CHECK-NEXT: [[IND_END:%.*]] = add i64 [[TMP0]], [[N_VEC]] +; 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 [[TMP0]], [[INDEX]] +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> undef, i64 [[OFFSET_IDX]], i32 0 +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> undef, <4 x i32> zeroinitializer +; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i64> [[BROADCAST_SPLAT]], +; CHECK-NEXT: [[TMP17:%.*]] = add i64 [[OFFSET_IDX]], 0 +; CHECK-NEXT: [[OFFSET_IDX4:%.*]] = add i64 [[TMP0]], [[INDEX]] +; CHECK-NEXT: [[TMP18:%.*]] = trunc i64 [[OFFSET_IDX4]] to i32 +; CHECK-NEXT: [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <4 x i32> undef, i32 [[TMP18]], i32 0 +; CHECK-NEXT: [[BROADCAST_SPLAT6:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT5]], <4 x i32> undef, <4 x i32> zeroinitializer +; CHECK-NEXT: [[INDUCTION7:%.*]] = add <4 x i32> [[BROADCAST_SPLAT6]], +; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[TMP18]], 0 +; CHECK-NEXT: [[TMP20:%.*]] = add i32 [[CONV]], [[TMP19]] +; CHECK-NEXT: [[TMP21:%.*]] = zext i32 [[TMP20]] to i64 +; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds [6 x i8], [6 x i8]* @c, i64 0, i64 [[TMP21]] +; CHECK-NEXT: [[TMP23:%.*]] = getelementptr i8, i8* [[TMP22]], i32 0 +; CHECK-NEXT: [[TMP24:%.*]] = bitcast i8* [[TMP23]] to <4 x i8>* +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP24]], align 1, !alias.scope !0 +; CHECK-NEXT: [[TMP25:%.*]] = getelementptr inbounds i8, i8* [[CALL]], i64 [[TMP17]] +; CHECK-NEXT: [[TMP26:%.*]] = getelementptr i8, i8* [[TMP25]], i32 0 +; CHECK-NEXT: [[TMP27:%.*]] = bitcast i8* [[TMP26]] to <4 x i8>* +; CHECK-NEXT: store <4 x i8> [[WIDE_LOAD]], <4 x i8>* [[TMP27]], align 1, !alias.scope !3, !noalias !0 +; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 +; CHECK-NEXT: [[TMP28:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; CHECK-NEXT: br i1 [[TMP28]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !5 +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[TMP0]], [[FOR_BODY_LR_PH]] ], [ [[TMP0]], [[VECTOR_SCEVCHECK]] ], [ [[TMP0]], [[VECTOR_MEMCHECK]] ] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond.cleanup.loopexit: +; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] +; CHECK: for.cond.cleanup: +; CHECK-NEXT: [[G_1_LCSSA]] = phi i32 [ [[G_0]], [[FOR_COND]] ], [ 4, [[FOR_COND_CLEANUP_LOOPEXIT]] ] +; CHECK-NEXT: [[ADD5]] = add nuw nsw i32 [[CONV]], 4 +; CHECK-NEXT: br label [[FOR_COND]] +; CHECK: for.body: +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] +; CHECK-NEXT: [[TMP29:%.*]] = trunc i64 [[INDVARS_IV]] to i32 +; CHECK-NEXT: [[ADD:%.*]] = add i32 [[CONV]], [[TMP29]] +; CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[ADD]] to i64 +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [6 x i8], [6 x i8]* @c, i64 0, i64 [[IDXPROM]] +; CHECK-NEXT: [[TMP30:%.*]] = load i8, i8* [[ARRAYIDX]], align 1 +; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i8, i8* [[CALL]], i64 [[INDVARS_IV]] +; CHECK-NEXT: store i8 [[TMP30]], i8* [[ARRAYIDX3]], align 1 +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 4 +; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !7 +; +entry: + %call = tail call i8* @"_ZN3$_01aEv"(%struct.anon* nonnull @b) #2 + br label %for.cond + +for.cond: ; preds = %for.cond.cleanup, %entry + %f.0 = phi i32 [ 0, %entry ], [ %add5, %for.cond.cleanup ] + %g.0 = phi i32 [ undef, %entry ], [ %g.1.lcssa, %for.cond.cleanup ] + %cmp12 = icmp ult i32 %g.0, 4 + %conv = and i32 %f.0, 65535 + br i1 %cmp12, label %for.body.lr.ph, label %for.cond.cleanup + +for.body.lr.ph: ; preds = %for.cond + %0 = zext i32 %g.0 to i64 + br label %for.body + +for.cond.cleanup.loopexit: ; preds = %for.body + br label %for.cond.cleanup + +for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %for.cond + %g.1.lcssa = phi i32 [ %g.0, %for.cond ], [ 4, %for.cond.cleanup.loopexit ] + %add5 = add nuw nsw i32 %conv, 4 + br label %for.cond + +for.body: ; preds = %for.body, %for.body.lr.ph + %indvars.iv = phi i64 [ %0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] + %1 = trunc i64 %indvars.iv to i32 + %add = add i32 %conv, %1 + %idxprom = zext i32 %add to i64 + %arrayidx = getelementptr inbounds [6 x i8], [6 x i8]* @c, i64 0, i64 %idxprom + %2 = load i8, i8* %arrayidx, align 1 + %arrayidx3 = getelementptr inbounds i8, i8* %call, i64 %indvars.iv + store i8 %2, i8* %arrayidx3, align 1 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 4 + br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body +} + +declare i8* @"_ZN3$_01aEv"(%struct.anon*) local_unnamed_addr #1