1 // RUN: %clang_cc1 %s -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 8 unsigned short test__lzcnt16(unsigned short __X) 9 { 10 // CHECK: @llvm.ctlz.i16 11 return __lzcnt16(__X); 12 } 13 14 unsigned int test_lzcnt32(unsigned int __X) 15 { 16 // CHECK: @llvm.ctlz.i32 17 return __lzcnt32(__X); 18 } 19 20 unsigned long long test__lzcnt64(unsigned long long __X) 21 { 22 // CHECK: @llvm.ctlz.i64 23 return __lzcnt64(__X); 24 } 25 26 unsigned int test_lzcnt_u32(unsigned int __X) 27 { 28 // CHECK: @llvm.ctlz.i32 29 return _lzcnt_u32(__X); 30 } 31 32 unsigned long long test__lzcnt_u64(unsigned long long __X) 33 { 34 // CHECK: @llvm.ctlz.i64 35 return _lzcnt_u64(__X); 36 } 37
