38 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s2 3extern "C" void followup_outer(int n, int *x) {4#pragma clang loop pipeline_initiation_interval(10)5#pragma clang loop unroll_count(4)6#pragma unroll_and_jam7#pragma clang loop vectorize(assume_safety)8#pragma clang loop distribute(enable)9 for(int j = 0; j < n; j++) {10 x[j] = 10;11 }12}13 14 15// CHECK-LABEL: define{{.*}} void @followup_outer16// CHECK: br label %for.cond, !llvm.loop ![[LOOP_3:[0-9]+]]17 18// CHECK-DAG: ![[ACCESSGROUP_2:[0-9]+]] = distinct !{}19 20// CHECK-DAG: ![[LOOP_3:[0-9]+]] = distinct !{![[LOOP_3:[0-9]+]], [[MP:![0-9]+]], ![[PARALLEL_ACCESSES_4:[0-9]+]], ![[DISTRIBUTE_5:[0-9]+]], ![[DISTRIBUTE_FOLLOWUP_6:[0-9]+]]}21// CHECK-DAG: ![[PARALLEL_ACCESSES_4:[0-9]+]] = !{!"llvm.loop.parallel_accesses", ![[ACCESSGROUP_2]]}22// CHECK-DAG: ![[DISTRIBUTE_5:[0-9]+]] = !{!"llvm.loop.distribute.enable", i1 true}23 24// CHECK-DAG: ![[DISTRIBUTE_FOLLOWUP_6:[0-9]+]] = !{!"llvm.loop.distribute.followup_all", [[MP]], ![[PARALLEL_ACCESSES_4:[0-9]+]], ![[VECTORIZE_8:[0-9]+]], ![[VECTORIZE_FOLLOWUP_9:[0-9]+]]}25// CHECK-DAG: ![[VECTORIZE_8:[0-9]+]] = !{!"llvm.loop.vectorize.enable", i1 true}26 27// CHECK-DAG: ![[VECTORIZE_FOLLOWUP_9:[0-9]+]] = !{!"llvm.loop.vectorize.followup_all", [[MP]], ![[PARALLEL_ACCESSES_4:[0-9]+]], ![[ISVECTORIZED_11:[0-9]+]], ![[UNROLLANDJAM_12:[0-9]+]], ![[UNROLLANDJAM_FOLLOWUPOUTER_13:[0-9]+]]}28// CHECK-DAG: ![[ISVECTORIZED_11:[0-9]+]] = !{!"llvm.loop.isvectorized"}29// CHECK-DAG: ![[UNROLLANDJAM_12:[0-9]+]] = !{!"llvm.loop.unroll_and_jam.enable"}30 31// CHECK-DAG: ![[UNROLLANDJAM_FOLLOWUPOUTER_13:[0-9]+]] = !{!"llvm.loop.unroll_and_jam.followup_outer", [[MP]], ![[PARALLEL_ACCESSES_4:[0-9]+]], ![[ISVECTORIZED_11:[0-9]+]], ![[UNROLLANDJAM_DISABLE_15:[0-9]+]], ![[UNROLL_COUNT_16:[0-9]+]], ![[UNROLL_FOLLOWUP_17:[0-9]+]]}32// CHECK-DAG: ![[UNROLLANDJAM_DISABLE_15:[0-9]+]] = !{!"llvm.loop.unroll_and_jam.disable"}33// CHECK-DAG: ![[UNROLL_COUNT_16:[0-9]+]] = !{!"llvm.loop.unroll.count", i32 4}34 35// CHECK-DAG: ![[UNROLL_FOLLOWUP_17:[0-9]+]] = !{!"llvm.loop.unroll.followup_all", [[MP]], ![[PARALLEL_ACCESSES_4:[0-9]+]], ![[ISVECTORIZED_11:[0-9]+]], ![[UNROLLANDJAM_DISABLE_15:[0-9]+]], ![[UNROLL_DISABLE_19:[0-9]+]], ![[INITIATIONINTERVAL_20:[0-9]+]]}36// CHECK-DAG: ![[UNROLL_DISABLE_19:[0-9]+]] = !{!"llvm.loop.unroll.disable"}37// CHECK-DAG: ![[INITIATIONINTERVAL_20:[0-9]+]] = !{!"llvm.loop.pipeline.initiationinterval", i32 10}38