xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/lzcnt-builtins.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7) 
1f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +lzcnt -emit-llvm -o - | FileCheck %s
2f4a2713aSLionel Sambuc 
3f4a2713aSLionel Sambuc // Don't include mm_malloc.h, it's system specific.
4f4a2713aSLionel Sambuc #define __MM_MALLOC_H
5f4a2713aSLionel Sambuc 
6f4a2713aSLionel Sambuc #include <x86intrin.h>
7f4a2713aSLionel Sambuc 
test__lzcnt16(unsigned short __X)8f4a2713aSLionel Sambuc unsigned short test__lzcnt16(unsigned short __X)
9f4a2713aSLionel Sambuc {
10f4a2713aSLionel Sambuc   // CHECK: @llvm.ctlz.i16
11f4a2713aSLionel Sambuc   return __lzcnt16(__X);
12f4a2713aSLionel Sambuc }
13f4a2713aSLionel Sambuc 
test_lzcnt32(unsigned int __X)14f4a2713aSLionel Sambuc unsigned int test_lzcnt32(unsigned int __X)
15f4a2713aSLionel Sambuc {
16f4a2713aSLionel Sambuc   // CHECK: @llvm.ctlz.i32
17f4a2713aSLionel Sambuc   return __lzcnt32(__X);
18f4a2713aSLionel Sambuc }
19f4a2713aSLionel Sambuc 
test__lzcnt64(unsigned long long __X)20f4a2713aSLionel Sambuc unsigned long long test__lzcnt64(unsigned long long __X)
21f4a2713aSLionel Sambuc {
22f4a2713aSLionel Sambuc   // CHECK: @llvm.ctlz.i64
23f4a2713aSLionel Sambuc   return __lzcnt64(__X);
24f4a2713aSLionel Sambuc }
25*0a6a1f1dSLionel Sambuc 
test_lzcnt_u32(unsigned int __X)26*0a6a1f1dSLionel Sambuc unsigned int test_lzcnt_u32(unsigned int __X)
27*0a6a1f1dSLionel Sambuc {
28*0a6a1f1dSLionel Sambuc   // CHECK: @llvm.ctlz.i32
29*0a6a1f1dSLionel Sambuc   return _lzcnt_u32(__X);
30*0a6a1f1dSLionel Sambuc }
31*0a6a1f1dSLionel Sambuc 
test__lzcnt_u64(unsigned long long __X)32*0a6a1f1dSLionel Sambuc unsigned long long test__lzcnt_u64(unsigned long long __X)
33*0a6a1f1dSLionel Sambuc {
34*0a6a1f1dSLionel Sambuc   // CHECK: @llvm.ctlz.i64
35*0a6a1f1dSLionel Sambuc   return _lzcnt_u64(__X);
36*0a6a1f1dSLionel Sambuc }
37