b8235d2bd8
This reverts commit 1d542f0ca8.
`recollectUses()` is added to prevent looking at dead uses after
Attributor run.
This is the first and most basic ICV Tracking implementation. For this
first version, we only support deduplication within the same BB.
Reviewers: jdoerfert, JonChesterfield, hamax97, jhuber6, uenoku,
baziotis, lebedev.ri
Differential Revision: https://reviews.llvm.org/D81788
74 lines
3.8 KiB
LLVM
74 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
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; RUN: opt -S -openmpopt < %s | FileCheck %s
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; RUN: opt -S -passes=openmpopt < %s | FileCheck %s
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%struct.ident_t = type { i32, i32, i32, i32, i8* }
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@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
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@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
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; Function Attrs: nounwind uwtable
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define dso_local i32 @b() #0 {
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; CHECK-LABEL: define {{[^@]+}}@b() #0
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; CHECK-NEXT: [[TMP1:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @a()
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; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 4
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%1 = alloca i32, align 4
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%2 = call i32 @a()
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%3 = load i32, i32* %1, align 4
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ret i32 %3
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}
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; Function Attrs: nounwind uwtable
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define internal i32 @a() #0 {
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; CHECK-LABEL: define {{[^@]+}}@a() #0
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; CHECK-NEXT: [[TMP1:%.*]] = alloca i32, align 4
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; CHECK-NEXT: [[TMP2:%.*]] = call i32 @b()
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; CHECK-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
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; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 4
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%1 = alloca i32, align 4
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%2 = call i32 @b()
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call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
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%3 = load i32, i32* %1, align 4
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ret i32 %3
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}
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; Function Attrs: norecurse nounwind uwtable
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define internal void @.omp_outlined.(i32* noalias %0, i32* noalias %1) #1 {
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; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.
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; CHECK-SAME: (i32* noalias [[TMP0:%.*]], i32* noalias [[TMP1:%.*]]) #1
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; CHECK-NEXT: [[TMP3:%.*]] = alloca i32*, align 8
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; CHECK-NEXT: [[TMP4:%.*]] = alloca i32*, align 8
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; CHECK-NEXT: store i32* [[TMP0]], i32** [[TMP3]], align 8, !tbaa !2
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; CHECK-NEXT: store i32* [[TMP1]], i32** [[TMP4]], align 8, !tbaa !2
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; CHECK-NEXT: ret void
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;
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%3 = alloca i32*, align 8
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%4 = alloca i32*, align 8
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store i32* %0, i32** %3, align 8, !tbaa !2
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store i32* %1, i32** %4, align 8, !tbaa !2
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ret void
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}
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; Function Attrs: nounwind
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declare !callback !6 void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) #2
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attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!"Debian clang version 11.0.0-++20200709100646+c92a8c0a0f6-1~exp1~20200709201313.3348"}
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!2 = !{!3, !3, i64 0}
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!3 = !{!"any pointer", !4, i64 0}
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!4 = !{!"omnipotent char", !5, i64 0}
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!5 = !{!"Simple C/C++ TBAA"}
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!6 = !{!7}
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!7 = !{i64 2, i64 -1, i64 -1, i1 true}
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