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// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -triple i686--windows -emit-llvm %s -o - \
// RUN: | FileCheck %s
// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -triple x86_64--windows -emit-llvm %s -o - \
// RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-X64
// intrin.h needs size_t, but -ffreestanding prevents us from getting it from
// stddef.h. Work around it with this typedef.
typedef __SIZE_TYPE__ size_t;
#include <intrin.h>
void test_ReadWriteBarrier() { _ReadWriteBarrier(); }
// CHECK-LABEL: define dso_local void @test_ReadWriteBarrier
// CHECK: fence syncscope("singlethread") seq_cst
// CHECK: ret void
// CHECK: }
void test_ReadBarrier() { _ReadBarrier(); }
// CHECK-LABEL: define dso_local void @test_ReadBarrier
// CHECK: fence syncscope("singlethread") seq_cst
// CHECK: ret void
// CHECK: }
void test_WriteBarrier() { _WriteBarrier(); }
// CHECK-LABEL: define dso_local void @test_WriteBarrier
// CHECK: fence syncscope("singlethread") seq_cst
// CHECK: ret void
// CHECK: }
#if defined(__x86_64__)
void test__faststorefence() { __faststorefence(); }
// CHECK-X64-LABEL: define dso_local void @test__faststorefence
// CHECK-X64: fence seq_cst
// CHECK-X64: ret void
// CHECK-X64: }
#endif
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