b8235d2bd8
This reverts commit 1d542f0ca83fa1411d6501a8d088450d83abd5b8. `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
110 lines
5.0 KiB
LLVM
110 lines
5.0 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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define dso_local i32 @foo(i32 %0, i32 %1) {
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]])
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; CHECK-NEXT: tail call void @omp_set_num_threads(i32 [[TMP0]])
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; CHECK-NEXT: tail call void @omp_set_num_threads(i32 [[TMP1]])
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; CHECK-NEXT: tail call void @use(i32 [[TMP1]])
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; CHECK-NEXT: tail call void @use(i32 [[TMP1]])
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; CHECK-NEXT: tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
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; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP3]])
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; CHECK-NEXT: ret i32 0
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;
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tail call void @omp_set_num_threads(i32 %0)
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%3 = tail call i32 @omp_get_max_threads()
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; FIXME: this value should be tracked and the rest of the getters deduplicated and replaced with it.
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tail call void @omp_set_num_threads(i32 %1)
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%4 = tail call i32 @omp_get_max_threads()
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%5 = tail call i32 @omp_get_max_threads()
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%6 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %4)
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tail call void @use(i32 %5)
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tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
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%7 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %7)
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ret i32 0
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}
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declare dso_local void @omp_set_num_threads(i32)
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declare dso_local i32 @omp_get_max_threads()
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declare dso_local void @use(i32)
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define internal void @.omp_outlined.(i32* %0, i32* %1) {
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; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.
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; CHECK-SAME: (i32* [[TMP0:%.*]], i32* [[TMP1:%.*]])
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; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: [[TMP4:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP4]])
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; CHECK-NEXT: tail call void @omp_set_num_threads(i32 10)
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; CHECK-NEXT: tail call void @use(i32 10)
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; CHECK-NEXT: ret void
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;
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; FIXME: this value should be tracked and the rest of the getters deduplicated and replaced with it.
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%3 = tail call i32 @omp_get_max_threads()
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%4 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %4)
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tail call void @omp_set_num_threads(i32 10)
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%5 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %5)
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ret void
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}
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declare !callback !0 void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...)
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define dso_local i32 @bar(i32 %0, i32 %1) {
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; CHECK-LABEL: define {{[^@]+}}@bar
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; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]])
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; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt i32 [[TMP0]], [[TMP1]]
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; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i32 [[TMP0]], i32 [[TMP1]]
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; CHECK-NEXT: tail call void @omp_set_num_threads(i32 [[TMP4]])
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; CHECK-NEXT: tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*))
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; CHECK-NEXT: [[TMP5:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP5]])
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; CHECK-NEXT: ret i32 0
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;
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%3 = icmp sgt i32 %0, %1
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%4 = select i1 %3, i32 %0, i32 %1
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; FIXME: getters can be replaced with %4
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tail call void @omp_set_num_threads(i32 %4)
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%5 = tail call i32 @omp_get_max_threads()
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tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*))
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%6 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %6)
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ret i32 0
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}
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define internal void @.omp_outlined..1(i32* %0, i32* %1) {
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; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..1
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; CHECK-SAME: (i32* [[TMP0:%.*]], i32* [[TMP1:%.*]])
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; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP3]])
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; CHECK-NEXT: tail call void @omp_set_num_threads(i32 10)
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; CHECK-NEXT: tail call void @use(i32 10)
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; CHECK-NEXT: [[TMP4:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP4]])
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; CHECK-NEXT: ret void
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;
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%3 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %3)
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tail call void @omp_set_num_threads(i32 10)
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%4 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %4)
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%5 = tail call i32 @omp_get_max_threads()
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tail call void @use(i32 %5)
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ret void
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}
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!0 = !{!1}
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!1 = !{i64 2, i64 -1, i64 -1, i1 true}
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