| David Green | c8e3924 | 2018-08-01 14:36:12 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple arm-none-eabi -std=c++11 -emit-llvm -o - %s | FileCheck %s |
| 2 | |
| 3 | void unroll_and_jam(int *List, int Length, int Value) { |
| 4 | // CHECK-LABEL: define {{.*}} @_Z14unroll_and_jam |
| 5 | #pragma unroll_and_jam |
| 6 | for (int i = 0; i < Length; i++) { |
| 7 | for (int j = 0; j < Length; j++) { |
| 8 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_1:.*]] |
| 9 | List[i * Length + j] = Value; |
| 10 | } |
| 11 | } |
| 12 | } |
| 13 | |
| 14 | void unroll_and_jam_count(int *List, int Length, int Value) { |
| 15 | // CHECK-LABEL: define {{.*}} @_Z20unroll_and_jam_count |
| 16 | #pragma unroll_and_jam(4) |
| 17 | for (int i = 0; i < Length; i++) { |
| 18 | for (int j = 0; j < Length; j++) { |
| 19 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_2:.*]] |
| 20 | List[i * Length + j] = Value; |
| 21 | } |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | void nounroll_and_jam(int *List, int Length, int Value) { |
| 26 | // CHECK-LABEL: define {{.*}} @_Z16nounroll_and_jam |
| 27 | #pragma nounroll_and_jam |
| 28 | for (int i = 0; i < Length; i++) { |
| 29 | for (int j = 0; j < Length; j++) { |
| 30 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_3:.*]] |
| 31 | List[i * Length + j] = Value; |
| 32 | } |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | void clang_unroll_plus_nounroll_and_jam(int *List, int Length, int Value) { |
| 37 | // CHECK-LABEL: define {{.*}} @_Z34clang_unroll_plus_nounroll_and_jam |
| 38 | #pragma nounroll_and_jam |
| 39 | #pragma unroll(4) |
| 40 | for (int i = 0; i < Length; i++) { |
| 41 | for (int j = 0; j < Length; j++) { |
| 42 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_7:.*]] |
| 43 | List[i * Length + j] = Value; |
| 44 | } |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | // CHECK: ![[LOOP_1]] = distinct !{![[LOOP_1]], ![[UNJ_ENABLE:.*]]} |
| 49 | // CHECK: ![[UNJ_ENABLE]] = !{!"llvm.loop.unroll_and_jam.enable"} |
| 50 | // CHECK: ![[LOOP_2]] = distinct !{![[LOOP_2]], ![[UNJ_4:.*]]} |
| 51 | // CHECK: ![[UNJ_4]] = !{!"llvm.loop.unroll_and_jam.count", i32 4} |
| 52 | // CHECK: ![[LOOP_3]] = distinct !{![[LOOP_3]], ![[UNJ_DISABLE:.*]]} |
| 53 | // CHECK: ![[UNJ_DISABLE]] = !{!"llvm.loop.unroll_and_jam.disable"} |
| 54 | // CHECK: ![[LOOP_7]] = distinct !{![[LOOP_7]], ![[UNROLL_4:.*]], ![[UNJ_DISABLE:.*]]} |
| 55 | // CHECK: ![[UNROLL_4]] = !{!"llvm.loop.unroll.count", i32 4} |