25 lines
		
	
	
		
			528 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			528 B
		
	
	
	
		
			C
		
	
	
	
	
	
// RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +lzcnt -emit-llvm -o - | FileCheck %s
 | 
						|
 | 
						|
// Don't include mm_malloc.h, it's system specific.
 | 
						|
#define __MM_MALLOC_H
 | 
						|
 | 
						|
#include <x86intrin.h>
 | 
						|
 | 
						|
unsigned short test__lzcnt16(unsigned short __X)
 | 
						|
{
 | 
						|
  // CHECK: @llvm.ctlz.i16
 | 
						|
  return __lzcnt16(__X);
 | 
						|
}
 | 
						|
 | 
						|
unsigned int test_lzcnt32(unsigned int __X)
 | 
						|
{
 | 
						|
  // CHECK: @llvm.ctlz.i32
 | 
						|
  return __lzcnt32(__X);
 | 
						|
}
 | 
						|
 | 
						|
unsigned long long test__lzcnt64(unsigned long long __X)
 | 
						|
{
 | 
						|
  // CHECK: @llvm.ctlz.i64
 | 
						|
  return __lzcnt64(__X);
 | 
						|
}
 |