clang/test/CodeGenCXX/pragma-loop-distribute.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
   2
   3 void while_test(int *List, int Length, int *List2, int Length2) {
   4   // CHECK: define {{.*}} @_Z10while_test
   5   int i = 0;
   6
   7 #pragma clang loop distribute(enable)
   8   while (i < Length) {
   9     // CHECK: br label {{.*}}, !llvm.loop ![[LOOP_1:.*]]
  10     List[i] = i * 2;
  11     i++;
  12   }
  13
  14   i = 0;
  15   while (i < Length2) {
  16     // CHECK: br label {{.*}}, !llvm.loop [[LOOP_2:![0-9]+]]
  17     List2[i] = i * 2;
  18     i++;
  19   }
  20 }
  21
  22 // CHECK: ![[LOOP_1]] = distinct !{![[LOOP_1]], [[MP:![0-9]+]], ![[DISTRIBUTE_ENABLE:.*]]}
  23 // CHECK: ![[DISTRIBUTE_ENABLE]] = !{!"llvm.loop.distribute.enable", i1 true}
  24 // CHECK: [[LOOP_2]] = distinct !{[[LOOP_2]], [[MP]]}