| Daniel Sanders | cfbb71d | 2014-07-09 13:43:19 +0000 | [diff] [blame] | 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 | } |