forked from OSchip/llvm-project
[OpenMPOpt] initial tests for ICV tracking. Only nthreads is used.
Summary: Couple of tests to showcase what will be done and what to expect with ICV tracking. Reviewers: jdoerfert, JonChesterfield Subscribers: yaxunl, guansong, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D81114
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sstefan1
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; 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: [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @omp_set_num_threads(i32 [[TMP1]])
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; CHECK-NEXT: [[TMP4:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: [[TMP5:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: [[TMP6:%.*]] = 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 @use(i32 [[TMP5]])
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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: [[TMP7:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP7]])
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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: [[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 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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; FIXME: this value ( min(%3, 10) ) 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 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: [[TMP5:%.*]] = tail call i32 @omp_get_max_threads()
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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: [[TMP6:%.*]] = tail call i32 @omp_get_max_threads()
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; CHECK-NEXT: tail call void @use(i32 [[TMP6]])
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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: [[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: [[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 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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