| // RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| |
| |
| #include <x86intrin.h> |
| |
| unsigned long long test_rdpmc(int a) { |
| return _rdpmc(a); |
| // CHECK: @test_rdpmc |
| // CHECK: call i64 @llvm.x86.rdpmc |
| } |
| |
| int test_rdtsc() { |
| return _rdtsc(); |
| // CHECK: @test_rdtsc |
| // CHECK: call i64 @llvm.x86.rdtsc |
| } |
| |
| unsigned long long test_rdtscp(unsigned int *a) { |
| // CHECK: @test_rdtscp |
| // CHECK: [[RDTSCP:%.*]] = call { i64, i32 } @llvm.x86.rdtscp |
| // CHECK: [[TSC_AUX:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 1 |
| // CHECK: store i32 [[TSC_AUX]], i32* %{{.*}} |
| // CHECK: [[TSC:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 0 |
| return __rdtscp(a); |
| } |
