1 // RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2
3
4 #include <x86intrin.h>
5
test_rdpmc(int a)6 unsigned long long test_rdpmc(int a) {
7 return _rdpmc(a);
8 // CHECK: @test_rdpmc
9 // CHECK: call i64 @llvm.x86.rdpmc
10 }
11
test_rdtsc()12 int test_rdtsc() {
13 return _rdtsc();
14 // CHECK: @test_rdtsc
15 // CHECK: call i64 @llvm.x86.rdtsc
16 }
17
test_rdtscp(unsigned int * a)18 unsigned long long test_rdtscp(unsigned int *a) {
19 // CHECK: @test_rdtscp
20 // CHECK: [[RDTSCP:%.*]] = call { i64, i32 } @llvm.x86.rdtscp
21 // CHECK: [[TSC_AUX:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 1
22 // CHECK: store i32 [[TSC_AUX]], i32* %{{.*}}
23 // CHECK: [[TSC:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 0
24 return __rdtscp(a);
25 }
26