| Benjamin Kramer | a49a283 | 2012-01-28 18:42:57 +0000 | [diff] [blame] | 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 | } |