File: rdpru-builtins.c

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (37 lines) | stat: -rw-r--r-- 1,333 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
// RUN: %clang_cc1 -ffreestanding %s -triple=i686-- -target-feature +rdpru -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-- -target-feature +rdpru -emit-llvm -o - -Wall -Werror | FileCheck %s
// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-- -target-cpu znver2 -emit-llvm -o - -Wall -Werror | FileCheck %s

#include <x86intrin.h>

// NOTE: This should correspond to the tests in llvm/test/CodeGen/X86/rdpru.ll

unsigned long long test_rdpru(int regid) {
  // CHECK-LABEL: test_rdpru
  // CHECK: [[RESULT:%.*]] = call i64 @llvm.x86.rdpru(i32 %{{.*}})
  // CHECK-NEXT: ret i64 [[RESULT]]
  return __rdpru(regid);
}

unsigned long long test_mperf() {
  // CHECK-LABEL: test_mperf
  // CHECK: [[RESULT:%.*]] = call i64 @llvm.x86.rdpru(i32 0)
  // CHECK-NEXT: ret i64 [[RESULT]]
  return __mperf();
}

unsigned long long test_aperf() {
  // CHECK-LABEL: test_aperf
  // CHECK: [[RESULT:%.*]] = call i64 @llvm.x86.rdpru(i32 1)
  // CHECK-NEXT: ret i64 [[RESULT]]
  return __aperf();
}

void test_direct_calls_to_builtin_rdpru(int regid) {
  // CHECK: call i64 @llvm.x86.rdpru(i32 0)
  // CHECK: call i64 @llvm.x86.rdpru(i32 1)
  // CHECK: call i64 @llvm.x86.rdpru(i32 %{{.*}})
  (void) __builtin_ia32_rdpru(0);
  (void) __builtin_ia32_rdpru(1);
  (void) __builtin_ia32_rdpru(regid);
}