1 | // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s |
2 | |
3 | int leading, trailing, pop; |
4 | |
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 | |
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 | |
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 | |