xref: /aosp_15_r20/external/clang/test/CodeGen/lzcnt-builtins.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin -target-feature +lzcnt -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // Don't include mm_malloc.h, it's system specific.
4*67e74705SXin Li #define __MM_MALLOC_H
5*67e74705SXin Li 
6*67e74705SXin Li #include <x86intrin.h>
7*67e74705SXin Li 
test__lzcnt16(unsigned short __X)8*67e74705SXin Li unsigned short test__lzcnt16(unsigned short __X)
9*67e74705SXin Li {
10*67e74705SXin Li   // CHECK: @llvm.ctlz.i16
11*67e74705SXin Li   return __lzcnt16(__X);
12*67e74705SXin Li }
13*67e74705SXin Li 
test_lzcnt32(unsigned int __X)14*67e74705SXin Li unsigned int test_lzcnt32(unsigned int __X)
15*67e74705SXin Li {
16*67e74705SXin Li   // CHECK: @llvm.ctlz.i32
17*67e74705SXin Li   return __lzcnt32(__X);
18*67e74705SXin Li }
19*67e74705SXin Li 
test__lzcnt64(unsigned long long __X)20*67e74705SXin Li unsigned long long test__lzcnt64(unsigned long long __X)
21*67e74705SXin Li {
22*67e74705SXin Li   // CHECK: @llvm.ctlz.i64
23*67e74705SXin Li   return __lzcnt64(__X);
24*67e74705SXin Li }
25*67e74705SXin Li 
test_lzcnt_u32(unsigned int __X)26*67e74705SXin Li unsigned int test_lzcnt_u32(unsigned int __X)
27*67e74705SXin Li {
28*67e74705SXin Li   // CHECK: @llvm.ctlz.i32
29*67e74705SXin Li   return _lzcnt_u32(__X);
30*67e74705SXin Li }
31*67e74705SXin Li 
test__lzcnt_u64(unsigned long long __X)32*67e74705SXin Li unsigned long long test__lzcnt_u64(unsigned long long __X)
33*67e74705SXin Li {
34*67e74705SXin Li   // CHECK: @llvm.ctlz.i64
35*67e74705SXin Li   return _lzcnt_u64(__X);
36*67e74705SXin Li }
37