| Sjoerd Meijer | 0216854 | 2019-12-11 10:37:40 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s |
| 2 | |
| 3 | void loop1(int *List, int Length) { |
| 4 | // CHECK-LABEL: @{{.*}}loop1{{.*}}( |
| 5 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP1:.*]] |
| 6 | |
| 7 | #pragma clang loop vectorize(enable) vectorize_width(1) |
| 8 | for (int i = 0; i < Length; i++) |
| 9 | List[i] = i * 2; |
| 10 | } |
| 11 | |
| 12 | // Here, vectorize.enable should be set, obviously, but also check that |
| 13 | // metadata isn't added twice. |
| 14 | void loop2(int *List, int Length) { |
| 15 | // CHECK-LABEL: @{{.*}}loop2{{.*}}( |
| 16 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP2:.*]] |
| 17 | |
| 18 | #pragma clang loop vectorize(enable) vectorize_width(2) |
| 19 | for (int i = 0; i < Length; i++) |
| 20 | List[i] = i * 2; |
| 21 | } |
| 22 | |
| 23 | // Test that we do *not* imply vectorize.enable. |
| 24 | void loop3(int *List, int Length) { |
| 25 | // CHECK-LABEL: @{{.*}}loop3{{.*}}( |
| 26 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP3:.*]] |
| 27 | |
| 28 | #pragma clang loop vectorize_width(1) |
| 29 | for (int i = 0; i < Length; i++) |
| 30 | List[i] = i * 2; |
| 31 | } |
| 32 | |
| 33 | // Test that we *do* imply vectorize.enable. |
| 34 | void loop4(int *List, int Length) { |
| 35 | // CHECK-LABEL: @{{.*}}loop4{{.*}}( |
| 36 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP4:.*]] |
| 37 | |
| 38 | #pragma clang loop vectorize_width(2) |
| 39 | for (int i = 0; i < Length; i++) |
| 40 | List[i] = i * 2; |
| 41 | } |
| 42 | |
| 43 | // CHECK: ![[LOOP1]] = distinct !{![[LOOP1]], ![[VEC_WIDTH_1:.*]], ![[VEC_ENABLE:.*]]} |
| 44 | // CHECK: ![[VEC_WIDTH_1]] = !{!"llvm.loop.vectorize.width", i32 1} |
| 45 | // CHECK: ![[VEC_ENABLE]] = !{!"llvm.loop.vectorize.enable", i1 true} |
| 46 | |
| 47 | // CHECK: ![[LOOP2]] = distinct !{![[LOOP2]], ![[VEC_WIDTH_2:.*]], ![[VEC_ENABLE]]} |
| 48 | // CHECK: ![[VEC_WIDTH_2]] = !{!"llvm.loop.vectorize.width", i32 2} |
| 49 | |
| 50 | // CHECK: ![[LOOP3]] = distinct !{![[LOOP3]], ![[VEC_WIDTH_1]]} |
| 51 | |
| 52 | // CHECK: ![[LOOP4]] = distinct !{![[LOOP4]], ![[VEC_WIDTH_2]], ![[VEC_ENABLE]]} |