1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s 2 3 // Verify that the outer loop has the inner loop's access in its 4 // llvm.loop.parallel_accesses property. 5 void vectorize_outer_test(int *List, int Length) { 6 #pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable) 7 for (int i = 0; i < Length; i += 2) { 8 #pragma clang loop unroll(full) 9 for (int j = 0; j < 2; j += 1) 10 List[i + j] = (i + j) * 2; 11 } 12 } 13 14 // CHECK: %[[MUL:.+]] = mul 15 // CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.access.group ![[ACCESS_GROUP_2:[0-9]+]] 16 // CHECK: br label %{{.+}}, !llvm.loop ![[INNER_LOOPID:[0-9]+]] 17 // CHECK: br label %{{.+}}, !llvm.loop ![[OUTER_LOOPID:[0-9]+]] 18 19 // CHECK: ![[ACCESS_GROUP_2]] = distinct !{} 20 // CHECK: ![[INNER_LOOPID]] = distinct !{![[INNER_LOOPID]], 21 // CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]], [[MP:![0-9]+]], ![[PARALLEL_ACCESSES_9:[0-9]+]] 22 // CHECK: ![[PARALLEL_ACCESSES_9]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_2]]} 23