diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp --- a/llvm/lib/Transforms/IPO/Attributor.cpp +++ b/llvm/lib/Transforms/IPO/Attributor.cpp @@ -1043,6 +1043,8 @@ if (auto *SI = dyn_cast(U->getUser())) { if (&SI->getOperandUse(0) == U) { + if (!Visited.insert(U).second) + continue; SmallSetVector PotentialCopies; if (AA::getPotentialCopiesOfStoredValue(*this, *SI, PotentialCopies, QueryingAA, diff --git a/llvm/test/Transforms/Attributor/value-simplify-pointer-info.ll b/llvm/test/Transforms/Attributor/value-simplify-pointer-info.ll --- a/llvm/test/Transforms/Attributor/value-simplify-pointer-info.ll +++ b/llvm/test/Transforms/Attributor/value-simplify-pointer-info.ll @@ -28,6 +28,7 @@ @a3 = internal global i32 undef @bytes1 = internal global i32 undef @bytes2 = internal global i32 undef +@rec_storage = internal global i32 undef ;. ; CHECK: @[[GLOBALBYTES:[a-zA-Z0-9_$"\\.-]+]] = global [1024 x i8] zeroinitializer, align 16 @@ -52,6 +53,7 @@ ; CHECK: @[[A3:[a-zA-Z0-9_$"\\.-]+]] = internal global i32 undef ; CHECK: @[[BYTES1:[a-zA-Z0-9_$"\\.-]+]] = internal global i32 undef ; CHECK: @[[BYTES2:[a-zA-Z0-9_$"\\.-]+]] = internal global i32 undef +; CHECK: @[[REC_STORAGE:[a-zA-Z0-9_$"\\.-]+]] = internal global i32 undef ;. define void @write_arg(i32* %p, i32 %v) { ; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly @@ -149,7 +151,7 @@ ; IS__TUNIT_NPM-NEXT: entry: ; IS__TUNIT_NPM-NEXT: [[S:%.*]] = alloca [[STRUCT_S]], align 4 ; IS__TUNIT_NPM-NEXT: [[I:%.*]] = bitcast %struct.S* [[S]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I]]) #[[ATTR6:[0-9]+]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I]]) #[[ATTR7:[0-9]+]] ; IS__TUNIT_NPM-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 3 ; IS__TUNIT_NPM-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 4 ; IS__TUNIT_NPM-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 5 @@ -176,7 +178,7 @@ ; IS__TUNIT_NPM-NEXT: [[I316:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[AGG_RESULT]], i64 0, i32 2 ; IS__TUNIT_NPM-NEXT: store i32 [[ADD15]], i32* [[I316]], align 4, !tbaa [[TBAA14:![0-9]+]] ; IS__TUNIT_NPM-NEXT: [[I12:%.*]] = bitcast %struct.S* [[S]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I12]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I12]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: ret void ; ; IS__CGSCC_OPM: Function Attrs: argmemonly nofree nosync nounwind willreturn @@ -221,16 +223,16 @@ ; IS__CGSCC_NPM-NEXT: entry: ; IS__CGSCC_NPM-NEXT: [[S:%.*]] = alloca [[STRUCT_S]], align 4 ; IS__CGSCC_NPM-NEXT: [[I:%.*]] = bitcast %struct.S* [[S]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I]]) #[[ATTR8:[0-9]+]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I]]) #[[ATTR9:[0-9]+]] ; IS__CGSCC_NPM-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 3 ; IS__CGSCC_NPM-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 4 ; IS__CGSCC_NPM-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 5 ; IS__CGSCC_NPM-NEXT: [[I1:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 0 -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(24) [[I1]], i32 noundef 1) #[[ATTR9:[0-9]+]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(24) [[I1]], i32 noundef 1) #[[ATTR10:[0-9]+]] ; IS__CGSCC_NPM-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 1 -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR9]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR10]] ; IS__CGSCC_NPM-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 2 -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR9]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR10]] ; IS__CGSCC_NPM-NEXT: [[F12:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[AGG_RESULT]], i64 0, i32 3 ; IS__CGSCC_NPM-NEXT: store float 0x3FF19999A0000000, float* [[F12]], align 4, !tbaa [[TBAA7:![0-9]+]] ; IS__CGSCC_NPM-NEXT: [[MUL:%.*]] = fmul float 0x40019999A0000000, 2.000000e+00 @@ -248,7 +250,7 @@ ; IS__CGSCC_NPM-NEXT: [[I316:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[AGG_RESULT]], i64 0, i32 2 ; IS__CGSCC_NPM-NEXT: store i32 [[ADD15]], i32* [[I316]], align 4, !tbaa [[TBAA14:![0-9]+]] ; IS__CGSCC_NPM-NEXT: [[I12:%.*]] = bitcast %struct.S* [[S]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I12]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 24, i8* nocapture nofree noundef nonnull align 4 dereferenceable(24) [[I12]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: ret void ; entry: @@ -409,7 +411,7 @@ ; IS__TUNIT_NPM-NEXT: entry: ; IS__TUNIT_NPM-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16 ; IS__TUNIT_NPM-NEXT: [[I:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 0 -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 1024, i8* nocapture nofree noundef nonnull align 16 dereferenceable(1024) [[I]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 1024, i8* nocapture nofree noundef nonnull align 16 dereferenceable(1024) [[I]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: br label [[FOR_COND:%.*]] ; IS__TUNIT_NPM: for.cond: ; IS__TUNIT_NPM-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ] @@ -479,7 +481,7 @@ ; IS__TUNIT_NPM-NEXT: br label [[FOR_COND28]], !llvm.loop [[LOOP20:![0-9]+]] ; IS__TUNIT_NPM: for.end38: ; IS__TUNIT_NPM-NEXT: [[I24:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 0 -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 1024, i8* nocapture nofree noundef nonnull align 16 dereferenceable(1024) [[I24]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 1024, i8* nocapture nofree noundef nonnull align 16 dereferenceable(1024) [[I24]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: ret void ; ; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@local_alloca_simplifiable_2() { @@ -569,7 +571,7 @@ ; IS__CGSCC_NPM-NEXT: entry: ; IS__CGSCC_NPM-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16 ; IS__CGSCC_NPM-NEXT: [[I:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 0 -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 1024, i8* nocapture nofree noundef nonnull align 16 dereferenceable(1024) [[I]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 1024, i8* nocapture nofree noundef nonnull align 16 dereferenceable(1024) [[I]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: br label [[FOR_COND:%.*]] ; IS__CGSCC_NPM: for.cond: ; IS__CGSCC_NPM-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ] @@ -626,7 +628,7 @@ ; IS__CGSCC_NPM-NEXT: store i8 0, i8* [[ARRAYIDX25]], align 1, !tbaa [[TBAA15]] ; IS__CGSCC_NPM-NEXT: [[ARRAYIDX26:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 500 ; IS__CGSCC_NPM-NEXT: [[I22:%.*]] = bitcast i8* [[ARRAYIDX26]] to i32* -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[I22]], i32 noundef 0) #[[ATTR10:[0-9]+]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[I22]], i32 noundef 0) #[[ATTR11:[0-9]+]] ; IS__CGSCC_NPM-NEXT: br label [[FOR_COND28:%.*]] ; IS__CGSCC_NPM: for.cond28: ; IS__CGSCC_NPM-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC36:%.*]] ], [ 0, [[FOR_END24]] ] @@ -841,7 +843,7 @@ ; IS__TUNIT_NPM-NEXT: entry: ; IS__TUNIT_NPM-NEXT: [[L:%.*]] = alloca i32, align 4 ; IS__TUNIT_NPM-NEXT: [[I:%.*]] = bitcast i32* [[L]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0 ; IS__TUNIT_NPM-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]] ; IS__TUNIT_NPM: cond.true: @@ -850,7 +852,7 @@ ; IS__TUNIT_NPM-NEXT: br label [[COND_END]] ; IS__TUNIT_NPM: cond.end: ; IS__TUNIT_NPM-NEXT: [[I2:%.*]] = bitcast i32* [[L]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I2]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I2]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: ret i32 5 ; ; IS__CGSCC_OPM: Function Attrs: nofree nosync nounwind willreturn @@ -877,7 +879,7 @@ ; IS__CGSCC_NPM-NEXT: entry: ; IS__CGSCC_NPM-NEXT: [[L:%.*]] = alloca i32, align 4 ; IS__CGSCC_NPM-NEXT: [[I:%.*]] = bitcast i32* [[L]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0 ; IS__CGSCC_NPM-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]] ; IS__CGSCC_NPM: cond.true: @@ -886,7 +888,7 @@ ; IS__CGSCC_NPM-NEXT: br label [[COND_END]] ; IS__CGSCC_NPM: cond.end: ; IS__CGSCC_NPM-NEXT: [[I2:%.*]] = bitcast i32* [[L]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I2]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I2]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: ret i32 5 ; entry: @@ -945,7 +947,7 @@ ; IS__TUNIT_NPM-NEXT: entry: ; IS__TUNIT_NPM-NEXT: [[L:%.*]] = alloca i32, align 4 ; IS__TUNIT_NPM-NEXT: [[I:%.*]] = bitcast i32* [[L]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0 ; IS__TUNIT_NPM-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]] ; IS__TUNIT_NPM: cond.true: @@ -954,7 +956,7 @@ ; IS__TUNIT_NPM-NEXT: br label [[COND_END]] ; IS__TUNIT_NPM: cond.end: ; IS__TUNIT_NPM-NEXT: [[I1:%.*]] = bitcast i32* [[L]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: ret i32 5 ; ; IS__CGSCC_OPM: Function Attrs: nofree nosync nounwind willreturn @@ -981,7 +983,7 @@ ; IS__CGSCC_NPM-NEXT: entry: ; IS__CGSCC_NPM-NEXT: [[L:%.*]] = alloca i32, align 4 ; IS__CGSCC_NPM-NEXT: [[I:%.*]] = bitcast i32* [[L]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0 ; IS__CGSCC_NPM-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]] ; IS__CGSCC_NPM: cond.true: @@ -990,7 +992,7 @@ ; IS__CGSCC_NPM-NEXT: br label [[COND_END]] ; IS__CGSCC_NPM: cond.end: ; IS__CGSCC_NPM-NEXT: [[I1:%.*]] = bitcast i32* [[L]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.end.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: ret i32 5 ; entry: @@ -1113,9 +1115,9 @@ ; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@static_global_simplifiable_1 ; IS__CGSCC_NPM-SAME: (%struct.S* noalias nocapture nofree nonnull writeonly sret([[STRUCT_S:%.*]]) align 4 dereferenceable(24) [[AGG_RESULT:%.*]]) #[[ATTR4:[0-9]+]] { ; IS__CGSCC_NPM-NEXT: entry: -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(24) getelementptr inbounds ([[STRUCT_S]], %struct.S* @Gs1, i32 0, i32 0), i32 noundef 1) #[[ATTR9]] -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(20) getelementptr inbounds ([[STRUCT_S]], %struct.S* @Gs1, i64 0, i32 1), i32 noundef 2) #[[ATTR9]] -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(16) getelementptr inbounds ([[STRUCT_S]], %struct.S* @Gs1, i64 0, i32 2), i32 noundef 3) #[[ATTR9]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(24) getelementptr inbounds ([[STRUCT_S]], %struct.S* @Gs1, i32 0, i32 0), i32 noundef 1) #[[ATTR10]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(20) getelementptr inbounds ([[STRUCT_S]], %struct.S* @Gs1, i64 0, i32 1), i32 noundef 2) #[[ATTR10]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(16) getelementptr inbounds ([[STRUCT_S]], %struct.S* @Gs1, i64 0, i32 2), i32 noundef 3) #[[ATTR10]] ; IS__CGSCC_NPM-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[AGG_RESULT]], i64 0, i32 3 ; IS__CGSCC_NPM-NEXT: store float 0x3FF19999A0000000, float* [[F1]], align 4, !tbaa [[TBAA7]] ; IS__CGSCC_NPM-NEXT: [[MUL:%.*]] = fmul float 0x40019999A0000000, 2.000000e+00 @@ -1448,7 +1450,7 @@ ; IS__CGSCC_NPM-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP26:![0-9]+]] ; IS__CGSCC_NPM: for.end23: ; IS__CGSCC_NPM-NEXT: store i8 0, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @GBytes, i64 0, i64 1023), align 1, !tbaa [[TBAA15]] -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @GBytes, i64 0, i64 500) to i32*), i32 noundef 0) #[[ATTR10]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) bitcast (i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @GBytes, i64 0, i64 500) to i32*), i32 noundef 0) #[[ATTR11]] ; IS__CGSCC_NPM-NEXT: br label [[FOR_COND25:%.*]] ; IS__CGSCC_NPM: for.cond25: ; IS__CGSCC_NPM-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC33:%.*]] ], [ 0, [[FOR_END23]] ] @@ -1772,11 +1774,11 @@ ; IS__CGSCC_NPM-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 5 ; IS__CGSCC_NPM-NEXT: store float 0x400A666660000000, float* [[F3]], align 4, !tbaa [[TBAA11]] ; IS__CGSCC_NPM-NEXT: [[I1:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 0 -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 8 dereferenceable(24) [[I1]], i32 noundef 1) #[[ATTR9]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 8 dereferenceable(24) [[I1]], i32 noundef 1) #[[ATTR10]] ; IS__CGSCC_NPM-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 1 -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR9]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR10]] ; IS__CGSCC_NPM-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 2 -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 8 dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR9]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nocapture nofree noundef nonnull writeonly align 8 dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR10]] ; IS__CGSCC_NPM-NEXT: [[F11:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[S]], i64 0, i32 3 ; IS__CGSCC_NPM-NEXT: [[I:%.*]] = load float, float* [[F11]], align 4, !tbaa [[TBAA7]] ; IS__CGSCC_NPM-NEXT: [[F12:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[AGG_RESULT]], i64 0, i32 3 @@ -2172,7 +2174,7 @@ ; IS__CGSCC_NPM-NEXT: store i8 0, i8* [[ARRAYIDX24]], align 1, !tbaa [[TBAA15]] ; IS__CGSCC_NPM-NEXT: [[ARRAYIDX25:%.*]] = getelementptr inbounds i8, i8* [[BYTES]], i64 500 ; IS__CGSCC_NPM-NEXT: [[I21:%.*]] = bitcast i8* [[ARRAYIDX25]] to i32* -; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[I21]], i32 noundef 0) #[[ATTR10]] +; IS__CGSCC_NPM-NEXT: call void @write_arg(i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[I21]], i32 noundef 0) #[[ATTR11]] ; IS__CGSCC_NPM-NEXT: br label [[FOR_COND27:%.*]] ; IS__CGSCC_NPM: for.cond27: ; IS__CGSCC_NPM-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC35:%.*]] ], [ 0, [[FOR_END23]] ] @@ -2330,9 +2332,9 @@ ; IS__TUNIT_NPM-NEXT: [[X:%.*]] = alloca i32, align 4 ; IS__TUNIT_NPM-NEXT: [[Y:%.*]] = alloca i32, align 4 ; IS__TUNIT_NPM-NEXT: [[I:%.*]] = bitcast i32* [[X]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: [[I1:%.*]] = bitcast i32* [[Y]] to i8* -; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR6]] +; IS__TUNIT_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR7]] ; IS__TUNIT_NPM-NEXT: store i32 1, i32* [[Y]], align 4, !tbaa [[TBAA3]] ; IS__TUNIT_NPM-NEXT: store i32 1, i32* [[X]], align 4, !tbaa [[TBAA3]] ; IS__TUNIT_NPM-NEXT: [[I2:%.*]] = bitcast i32* [[X]] to i8* @@ -2380,9 +2382,9 @@ ; IS__CGSCC_NPM-NEXT: [[X:%.*]] = alloca i32, align 4 ; IS__CGSCC_NPM-NEXT: [[Y:%.*]] = alloca i32, align 4 ; IS__CGSCC_NPM-NEXT: [[I:%.*]] = bitcast i32* [[X]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: [[I1:%.*]] = bitcast i32* [[Y]] to i8* -; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR8]] +; IS__CGSCC_NPM-NEXT: call void @llvm.lifetime.start.p0i8(i64 noundef 4, i8* nocapture nofree noundef nonnull align 4 dereferenceable(4) [[I1]]) #[[ATTR9]] ; IS__CGSCC_NPM-NEXT: store i32 1, i32* [[Y]], align 4, !tbaa [[TBAA3]] ; IS__CGSCC_NPM-NEXT: store i32 1, i32* [[X]], align 4, !tbaa [[TBAA3]] ; IS__CGSCC_NPM-NEXT: [[I2:%.*]] = bitcast i32* [[X]] to i8* @@ -3290,6 +3292,73 @@ ret i64 %l } +define void @recursive_load_store(i64 %N, i32 %v) { +; IS__TUNIT____: Function Attrs: nofree nosync nounwind writeonly +; IS__TUNIT____-LABEL: define {{[^@]+}}@recursive_load_store +; IS__TUNIT____-SAME: (i64 [[N:%.*]], i32 [[V:%.*]]) #[[ATTR6:[0-9]+]] { +; IS__TUNIT____-NEXT: entry: +; IS__TUNIT____-NEXT: br label [[FOR_COND:%.*]] +; IS__TUNIT____: for.cond: +; IS__TUNIT____-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY:%.*]] ], [ 0, [[ENTRY:%.*]] ] +; IS__TUNIT____-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], [[N]] +; IS__TUNIT____-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END:%.*]] +; IS__TUNIT____: for.body: +; IS__TUNIT____-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 +; IS__TUNIT____-NEXT: br label [[FOR_COND]] +; IS__TUNIT____: for.end: +; IS__TUNIT____-NEXT: ret void +; +; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind writeonly +; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@recursive_load_store +; IS__CGSCC_OPM-SAME: (i64 [[N:%.*]], i32 [[V:%.*]]) #[[ATTR10]] { +; IS__CGSCC_OPM-NEXT: entry: +; IS__CGSCC_OPM-NEXT: br label [[FOR_COND:%.*]] +; IS__CGSCC_OPM: for.cond: +; IS__CGSCC_OPM-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY:%.*]] ], [ 0, [[ENTRY:%.*]] ] +; IS__CGSCC_OPM-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], [[N]] +; IS__CGSCC_OPM-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END:%.*]] +; IS__CGSCC_OPM: for.body: +; IS__CGSCC_OPM-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 +; IS__CGSCC_OPM-NEXT: br label [[FOR_COND]] +; IS__CGSCC_OPM: for.end: +; IS__CGSCC_OPM-NEXT: ret void +; +; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind writeonly +; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@recursive_load_store +; IS__CGSCC_NPM-SAME: (i64 [[N:%.*]], i32 [[V:%.*]]) #[[ATTR8:[0-9]+]] { +; IS__CGSCC_NPM-NEXT: entry: +; IS__CGSCC_NPM-NEXT: br label [[FOR_COND:%.*]] +; IS__CGSCC_NPM: for.cond: +; IS__CGSCC_NPM-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY:%.*]] ], [ 0, [[ENTRY:%.*]] ] +; IS__CGSCC_NPM-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], [[N]] +; IS__CGSCC_NPM-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END:%.*]] +; IS__CGSCC_NPM: for.body: +; IS__CGSCC_NPM-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 +; IS__CGSCC_NPM-NEXT: br label [[FOR_COND]] +; IS__CGSCC_NPM: for.end: +; IS__CGSCC_NPM-NEXT: ret void +; +entry: + store i32 %v, i32* @rec_storage + br label %for.cond + +for.cond: + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] + %exitcond = icmp ne i64 %indvars.iv, %N + br i1 %exitcond, label %for.body, label %for.end + +for.body: + %ll = load i32, i32* @rec_storage + store i32 %ll, i32* @rec_storage + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + br label %for.cond + +for.end: + %lr = load i32, i32* @rec_storage + store i32 %lr, i32* @rec_storage + ret void +} + !llvm.module.flags = !{!0, !1} !llvm.ident = !{!2} @@ -3343,7 +3412,8 @@ ; IS__TUNIT_NPM: attributes #[[ATTR3]] = { nofree nosync nounwind readnone willreturn } ; IS__TUNIT_NPM: attributes #[[ATTR4]] = { nofree nosync nounwind willreturn writeonly } ; IS__TUNIT_NPM: attributes #[[ATTR5]] = { nofree nosync nounwind readonly willreturn } -; IS__TUNIT_NPM: attributes #[[ATTR6]] = { willreturn } +; IS__TUNIT_NPM: attributes #[[ATTR6]] = { nofree nosync nounwind writeonly } +; IS__TUNIT_NPM: attributes #[[ATTR7]] = { willreturn } ;. ; IS__CGSCC_OPM: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } ; IS__CGSCC_OPM: attributes #[[ATTR1]] = { argmemonly nofree nosync nounwind willreturn } @@ -3368,9 +3438,10 @@ ; IS__CGSCC_NPM: attributes #[[ATTR5]] = { nofree norecurse nosync nounwind willreturn } ; IS__CGSCC_NPM: attributes #[[ATTR6]] = { argmemonly nofree norecurse nosync nounwind willreturn } ; IS__CGSCC_NPM: attributes #[[ATTR7]] = { nofree norecurse nosync nounwind readonly willreturn } -; IS__CGSCC_NPM: attributes #[[ATTR8]] = { willreturn } -; IS__CGSCC_NPM: attributes #[[ATTR9]] = { nounwind willreturn writeonly } -; IS__CGSCC_NPM: attributes #[[ATTR10]] = { nounwind writeonly } +; IS__CGSCC_NPM: attributes #[[ATTR8]] = { nofree norecurse nosync nounwind writeonly } +; IS__CGSCC_NPM: attributes #[[ATTR9]] = { willreturn } +; IS__CGSCC_NPM: attributes #[[ATTR10]] = { nounwind willreturn writeonly } +; IS__CGSCC_NPM: attributes #[[ATTR11]] = { nounwind writeonly } ;. ; IS__TUNIT____: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4} ; IS__TUNIT____: [[META1:![0-9]+]] = !{i32 7, !"uwtable", i32 1}