1// RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +lzcnt -emit-llvm -o - | FileCheck %s 2 3// Don't include mm_malloc.h, it's system specific. 4#define __MM_MALLOC_H 5 6#include <x86intrin.h> 7 8unsigned short test__lzcnt16(unsigned short __X) 9{ 10 // CHECK: @llvm.ctlz.i16 11 return __lzcnt16(__X); 12} 13 14unsigned int test_lzcnt32(unsigned int __X) 15{ 16 // CHECK: @llvm.ctlz.i32 17 return __lzcnt32(__X); 18} 19 20unsigned long long test__lzcnt64(unsigned long long __X) 21{ 22 // CHECK: @llvm.ctlz.i64 23 return __lzcnt64(__X); 24} 25 26unsigned int test_lzcnt_u32(unsigned int __X) 27{ 28 // CHECK: @llvm.ctlz.i32 29 return _lzcnt_u32(__X); 30} 31 32unsigned long long test__lzcnt_u64(unsigned long long __X) 33{ 34 // CHECK: @llvm.ctlz.i64 35 return _lzcnt_u64(__X); 36} 37