| 1 | // RUN: %clang_cc1 -triple hexagon -std=c++11 -emit-llvm -o - %s | FileCheck %s |
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| 2 | |
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| 3 | void pipeline_disabled(int *List, int Length, int Value) { |
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| 4 | // CHECK-LABEL: define {{.*}} @_Z17pipeline_disabled |
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| 5 | #pragma clang loop pipeline(disable) |
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| 6 | for (int i = 0; i < Length; i++) { |
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| 7 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_1:.*]] |
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| 8 | List[i] = Value; |
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| 9 | } |
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| 10 | } |
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| 11 | |
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| 12 | void pipeline_not_disabled(int *List, int Length, int Value) { |
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| 13 | // CHECK-LABEL: define {{.*}} @_Z21pipeline_not_disabled |
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| 14 | for (int i = 0; i < Length; i++) { |
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| 15 | List[i] = Value; |
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| 16 | } |
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| 17 | } |
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| 18 | |
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| 19 | void pipeline_initiation_interval(int *List, int Length, int Value) { |
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| 20 | // CHECK-LABEL: define {{.*}} @_Z28pipeline_initiation_interval |
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| 21 | #pragma clang loop pipeline_initiation_interval(10) |
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| 22 | for (int i = 0; i < Length; i++) { |
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| 23 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_3:.*]] |
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| 24 | List[i] = Value; |
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| 25 | } |
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| 26 | } |
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| 27 | |
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| 28 | void pipeline_disabled_on_nested_loop(int *List, int Length, int Value) { |
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| 29 | // CHECK-LABEL: define {{.*}} @_Z32pipeline_disabled_on_nested_loop |
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| 30 | for (int i = 0; i < Length; i++) { |
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| 31 | #pragma clang loop pipeline(disable) |
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| 32 | for (int j = 0; j < Length; j++) { |
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| 33 | // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_4:.*]] |
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| 34 | List[i * Length + j] = Value; |
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| 35 | } |
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| 36 | } |
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| 37 | } |
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| 38 | |
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| 39 | // CHECK: ![[LOOP_1]] = distinct !{![[LOOP_1]], ![[PIPELINE_DISABLE:.*]]} |
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| 40 | // CHECK: ![[PIPELINE_DISABLE]] = !{!"llvm.loop.pipeline.disable", i1 true} |
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| 41 | |
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| 42 | // CHECK-NOT:llvm.loop.pipeline |
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| 43 | |
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| 44 | // CHECK: ![[LOOP_3]] = distinct !{![[LOOP_3]], ![[PIPELINE_II_10:.*]]} |
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| 45 | // CHECK: ![[PIPELINE_II_10]] = !{!"llvm.loop.pipeline.initiationinterval", i32 10} |
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| 46 | |
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| 47 | // CHECK: ![[LOOP_4]] = distinct !{![[LOOP_4]], ![[PIPELINE_DISABLE]]} |
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| 48 | |
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