derek.holloway
7502bf64a4
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48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// RUN: %clang_cc1 -triple hexagon -std=c++11 -emit-llvm -o - %s | FileCheck %s
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void pipeline_disabled(int *List, int Length, int Value) {
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// CHECK-LABEL: define {{.*}} @_Z17pipeline_disabled
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#pragma clang loop pipeline(disable)
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for (int i = 0; i < Length; i++) {
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// CHECK: br label {{.*}}, !llvm.loop ![[LOOP_1:.*]]
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List[i] = Value;
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}
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}
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void pipeline_not_disabled(int *List, int Length, int Value) {
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// CHECK-LABEL: define {{.*}} @_Z21pipeline_not_disabled
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for (int i = 0; i < Length; i++) {
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List[i] = Value;
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}
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}
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void pipeline_initiation_interval(int *List, int Length, int Value) {
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// CHECK-LABEL: define {{.*}} @_Z28pipeline_initiation_interval
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#pragma clang loop pipeline_initiation_interval(10)
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for (int i = 0; i < Length; i++) {
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// CHECK: br label {{.*}}, !llvm.loop ![[LOOP_3:.*]]
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List[i] = Value;
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}
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}
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void pipeline_disabled_on_nested_loop(int *List, int Length, int Value) {
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// CHECK-LABEL: define {{.*}} @_Z32pipeline_disabled_on_nested_loop
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for (int i = 0; i < Length; i++) {
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#pragma clang loop pipeline(disable)
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for (int j = 0; j < Length; j++) {
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// CHECK: br label {{.*}}, !llvm.loop ![[LOOP_4:.*]]
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List[i * Length + j] = Value;
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}
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}
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}
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// CHECK: ![[LOOP_1]] = distinct !{![[LOOP_1]], [[MP:![0-9]+]], ![[PIPELINE_DISABLE:.*]]}
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// CHECK: ![[PIPELINE_DISABLE]] = !{!"llvm.loop.pipeline.disable", i1 true}
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// CHECK-NOT:llvm.loop.pipeline
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// CHECK: ![[LOOP_3]] = distinct !{![[LOOP_3]], [[MP]], ![[PIPELINE_II_10:.*]]}
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// CHECK: ![[PIPELINE_II_10]] = !{!"llvm.loop.pipeline.initiationinterval", i32 10}
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// CHECK: ![[LOOP_4]] = distinct !{![[LOOP_4]], [[MP]], ![[PIPELINE_DISABLE]]}
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