1 // RUN: %clang_cc1 -ffreestanding %s -triple=i686-- -target-feature +rdpru -emit-llvm -o - -Wall -Werror | FileCheck %s
2 // RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-- -target-feature +rdpru -emit-llvm -o - -Wall -Werror | FileCheck %s
3 // RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-- -target-cpu znver2 -emit-llvm -o - -Wall -Werror | FileCheck %s
4 
5 #include <x86intrin.h>
6 
7 // NOTE: This should correspond to the tests in llvm/test/CodeGen/X86/rdpru.ll
8 
9 unsigned long long test_rdpru(int regid) {
10   // CHECK-LABEL: test_rdpru
11   // CHECK: [[RESULT:%.*]] = call i64 @llvm.x86.rdpru(i32 %{{.*}})
12   // CHECK-NEXT: ret i64 [[RESULT]]
13   return __rdpru(regid);
14 }
15 
16 unsigned long long test_mperf() {
17   // CHECK-LABEL: test_mperf
18   // CHECK: [[RESULT:%.*]] = call i64 @llvm.x86.rdpru(i32 0)
19   // CHECK-NEXT: ret i64 [[RESULT]]
20   return __mperf();
21 }
22 
23 unsigned long long test_aperf() {
24   // CHECK-LABEL: test_aperf
25   // CHECK: [[RESULT:%.*]] = call i64 @llvm.x86.rdpru(i32 1)
26   // CHECK-NEXT: ret i64 [[RESULT]]
27   return __aperf();
28 }
29 
30 void test_direct_calls_to_builtin_rdpru(int regid) {
31   // CHECK: call i64 @llvm.x86.rdpru(i32 0)
32   // CHECK: call i64 @llvm.x86.rdpru(i32 1)
33   // CHECK: call i64 @llvm.x86.rdpru(i32 %{{.*}})
34   (void) __builtin_ia32_rdpru(0);
35   (void) __builtin_ia32_rdpru(1);
36   (void) __builtin_ia32_rdpru(regid);
37 }
38