| // RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \ |
| // RUN: -triple i686-windows-msvc -emit-llvm %s -o - | FileCheck %s --check-prefix=X86 |
| // RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \ |
| // RUN: -triple x86_64-windows-msvc -emit-llvm %s -o - | FileCheck %s --check-prefix=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__cpuid(int *info, int level) { |
| __cpuid(info, level); |
| } |
| // X86-LABEL: define {{.*}} @test__cpuid(i32* %{{.*}}, i32 %{{.*}}) |
| // X86: call { i32, i32, i32, i32 } asm "cpuid", |
| // X86-SAME: "={ax},={bx},={cx},={dx},0,2,~{dirflag},~{fpsr},~{flags}" |
| // X86-SAME: (i32 %{{.*}}, i32 0) |
| |
| // X64-LABEL: define {{.*}} @test__cpuid(i32* %{{.*}}, i32 %{{.*}}) |
| // X64: call { i32, i32, i32, i32 } asm "xchg$(q$) $(%rbx{{.*}}$){{.*}}cpuid{{.*}}xchg$(q$) $(%rbx{{.*}}$)", |
| // X64-SAME: "={ax},=r,={cx},={dx},0,2,~{dirflag},~{fpsr},~{flags}" |
| // X64-SAME: (i32 %{{.*}}, i32 0) |
