1 | // RUN: %clang_cc1 %s -triple mips-unknown-linux-gnu -emit-llvm -o - | FileCheck %s |
2 | // |
3 | // Test that the ctlz and cttz builtins are defined for zero. |
4 | // Based on count-builtin.c |
5 | |
6 | int leading, trailing, pop; |
7 | |
8 | void test_i16(short P) { |
9 | leading = __builtin_clzs(P); |
10 | trailing = __builtin_ctzs(P); |
11 | |
12 | // CHECK: @test_i16 |
13 | // CHECK: call i16 @llvm.ctlz.i16(i16 {{.*}}, i1 false) |
14 | // CHECK: call i16 @llvm.cttz.i16(i16 {{.*}}, i1 false) |
15 | } |
16 | |
17 | void test_i32(int P) { |
18 | leading = __builtin_clz(P); |
19 | trailing = __builtin_ctz(P); |
20 | |
21 | // CHECK: @test_i32 |
22 | // CHECK: call i32 @llvm.ctlz.i32(i32 {{.*}}, i1 false) |
23 | // CHECK: call i32 @llvm.cttz.i32(i32 {{.*}}, i1 false) |
24 | } |
25 | |
26 | void test_i64(float P) { |
27 | leading = __builtin_clzll(P); |
28 | trailing = __builtin_ctzll(P); |
29 | // CHECK: @test_i64 |
30 | // CHECK: call i64 @llvm.ctlz.i64(i64 {{.*}}, i1 false) |
31 | // CHECK: call i64 @llvm.cttz.i64(i64 {{.*}}, i1 false) |
32 | } |
33 | |