File: rd-builtins.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (25 lines) | stat: -rw-r--r-- 682 bytes parent folder | download | duplicates (14) 
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
 
// 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(void) {
  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]], ptr %{{.*}}
// CHECK: [[TSC:%.*]] = extractvalue { i64, i32 } [[RDTSCP]], 0
  return __rdtscp(a);
}