48 lines · cpp
1// RUN: %clang_cc1 -triple hexagon -std=c++11 -emit-llvm -o - %s | FileCheck %s2 3void pipeline_disabled(int *List, int Length, int Value) {4// CHECK-LABEL: define {{.*}} @_Z17pipeline_disabled5#pragma clang loop pipeline(disable)6 for (int i = 0; i < Length; i++) {7 // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_1:.*]]8 List[i] = Value;9 }10}11 12void pipeline_not_disabled(int *List, int Length, int Value) {13 // CHECK-LABEL: define {{.*}} @_Z21pipeline_not_disabled14 for (int i = 0; i < Length; i++) {15 List[i] = Value;16 }17}18 19void pipeline_initiation_interval(int *List, int Length, int Value) {20// CHECK-LABEL: define {{.*}} @_Z28pipeline_initiation_interval 21#pragma clang loop pipeline_initiation_interval(10)22 for (int i = 0; i < Length; i++) {23 // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_3:.*]]24 List[i] = Value;25 }26}27 28void pipeline_disabled_on_nested_loop(int *List, int Length, int Value) {29 // CHECK-LABEL: define {{.*}} @_Z32pipeline_disabled_on_nested_loop30 for (int i = 0; i < Length; i++) {31#pragma clang loop pipeline(disable)32 for (int j = 0; j < Length; j++) {33 // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_4:.*]]34 List[i * Length + j] = Value;35 }36 }37}38 39// CHECK: ![[LOOP_1]] = distinct !{![[LOOP_1]], [[MP:![0-9]+]], ![[PIPELINE_DISABLE:.*]]}40// CHECK: ![[PIPELINE_DISABLE]] = !{!"llvm.loop.pipeline.disable", i1 true}41 42// CHECK-NOT:llvm.loop.pipeline43 44// CHECK: ![[LOOP_3]] = distinct !{![[LOOP_3]], [[MP]], ![[PIPELINE_II_10:.*]]}45// CHECK: ![[PIPELINE_II_10]] = !{!"llvm.loop.pipeline.initiationinterval", i32 10}46 47// CHECK: ![[LOOP_4]] = distinct !{![[LOOP_4]], [[MP]], ![[PIPELINE_DISABLE]]}48