llvm-project/clang/test/CodeGenCXX/builtin-amdgcn-fence.cpp

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682 B
C++

// REQUIRES: amdgpu-registered-target
// RUN: %clang_cc1 %s -emit-llvm -O0 -o - \
// RUN: -triple=amdgcn-amd-amdhsa | opt -S | FileCheck %s
void test_memory_fence_success() {
// CHECK-LABEL: test_memory_fence_success
// CHECK: fence syncscope("workgroup") seq_cst
__builtin_amdgcn_fence(__ATOMIC_SEQ_CST, "workgroup");
// CHECK: fence syncscope("agent") acquire
__builtin_amdgcn_fence(__ATOMIC_ACQUIRE, "agent");
// CHECK: fence seq_cst
__builtin_amdgcn_fence(__ATOMIC_SEQ_CST, "");
// CHECK: fence syncscope("agent") acq_rel
__builtin_amdgcn_fence(4, "agent");
// CHECK: fence syncscope("workgroup") release
__builtin_amdgcn_fence(3, "workgroup");
}