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1 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
2 
3 int leading, trailing, pop;
4 
test_i16(short P)5 void test_i16(short P) {
6   leading = __builtin_clzs(P);
7   trailing = __builtin_ctzs(P);
8 
9 // CHECK: @test_i16
10 // CHECK: call i16 @llvm.ctlz.i16
11 // CHECK: call i16 @llvm.cttz.i16
12 }
13 
test_i32(int P)14 void test_i32(int P) {
15   leading = __builtin_clz(P);
16   trailing = __builtin_ctz(P);
17   pop = __builtin_popcount(P);
18 
19 // CHECK: @test_i32
20 // CHECK: call i32 @llvm.ctlz.i32
21 // CHECK: call i32 @llvm.cttz.i32
22 // CHECK: call i32 @llvm.ctpop.i32
23 }
24 
test_i64(float P)25 void test_i64(float P) {
26   leading = __builtin_clzll(P);
27   trailing = __builtin_ctzll(P);
28   pop = __builtin_popcountll(P);
29 // CHECK: @test_i64
30 // CHECK: call i64 @llvm.ctlz.i64
31 // CHECK: call i64 @llvm.cttz.i64
32 // CHECK: call i64 @llvm.ctpop.i64
33 }
34