5ef4e6db96
Summary: The parsing for this was implemented, but we never hooked up the default value to the result of this clause. This patch adds the support by making it default to the requires directive.
47 lines
2.1 KiB
C++
47 lines
2.1 KiB
C++
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
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// RUN: %clang_cc1 -emit-llvm -fopenmp -triple=x86_64-unknown-linux-gnu \
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// RUN: -DORDERING=seq_cst -o - %s \
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// RUN: | FileCheck %s --check-prefix=SEQ_CST
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// RUN: %clang_cc1 -emit-llvm -fopenmp -triple=x86_64-unknown-linux-gnu \
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// RUN: -DORDERING=acq_rel -o - %s \
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// RUN: | FileCheck %s --check-prefix=ACQ_REL
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// RUN: %clang_cc1 -emit-llvm -fopenmp -triple=x86_64-unknown-linux-gnu \
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// RUN: -DORDERING=relaxed -o - %s \
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// RUN: | FileCheck %s --check-prefix=RELAXED
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#pragma omp requires atomic_default_mem_order(ORDERING)
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// SEQ_CST-LABEL: define dso_local void @_Z3fooPi(
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// SEQ_CST-SAME: ptr noundef [[X:%.*]]) #[[ATTR0:[0-9]+]] {
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// SEQ_CST-NEXT: [[ENTRY:.*:]]
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// SEQ_CST-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// SEQ_CST-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8
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// SEQ_CST-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// SEQ_CST-NEXT: [[TMP1:%.*]] = atomicrmw add ptr [[TMP0]], i32 1 seq_cst, align 4
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// SEQ_CST-NEXT: call void @__kmpc_flush(ptr @[[GLOB1:[0-9]+]])
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// SEQ_CST-NEXT: ret void
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//
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// ACQ_REL-LABEL: define dso_local void @_Z3fooPi(
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// ACQ_REL-SAME: ptr noundef [[X:%.*]]) #[[ATTR0:[0-9]+]] {
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// ACQ_REL-NEXT: [[ENTRY:.*:]]
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// ACQ_REL-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// ACQ_REL-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8
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// ACQ_REL-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// ACQ_REL-NEXT: [[TMP1:%.*]] = atomicrmw add ptr [[TMP0]], i32 1 release, align 4
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// ACQ_REL-NEXT: call void @__kmpc_flush(ptr @[[GLOB1:[0-9]+]])
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// ACQ_REL-NEXT: ret void
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//
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// RELAXED-LABEL: define dso_local void @_Z3fooPi(
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// RELAXED-SAME: ptr noundef [[X:%.*]]) #[[ATTR0:[0-9]+]] {
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// RELAXED-NEXT: [[ENTRY:.*:]]
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// RELAXED-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
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// RELAXED-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8
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// RELAXED-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
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// RELAXED-NEXT: [[TMP1:%.*]] = atomicrmw add ptr [[TMP0]], i32 1 monotonic, align 4
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// RELAXED-NEXT: ret void
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//
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void foo(int *x) {
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#pragma omp atomic update
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*x = *x + 1;
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}
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