| // 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(void) { _ReadWriteBarrier(); } |
| // CHECK-LABEL: define dso_local void @test_ReadWriteBarrier |
| // CHECK: fence syncscope("singlethread") seq_cst |
| // CHECK: ret void |
| // CHECK: } |
| |
| void test_ReadBarrier(void) { _ReadBarrier(); } |
| // CHECK-LABEL: define dso_local void @test_ReadBarrier |
| // CHECK: fence syncscope("singlethread") seq_cst |
| // CHECK: ret void |
| // CHECK: } |
| |
| void test_WriteBarrier(void) { _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(void) { __faststorefence(); } |
| // CHECK-X64-LABEL: define dso_local void @test__faststorefence |
| // CHECK-X64: fence seq_cst |
| // CHECK-X64: ret void |
| // CHECK-X64: } |
| #endif |
| |
