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} |
56 | |