// 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 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); }