forked from OSchip/llvm-project
23 lines
1.0 KiB
C++
23 lines
1.0 KiB
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
|
|
|
|
// Verify that the outer loop has the inner loop's access in its
|
|
// llvm.loop.parallel_accesses property.
|
|
void vectorize_outer_test(int *List, int Length) {
|
|
#pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable)
|
|
for (int i = 0; i < Length; i += 2) {
|
|
#pragma clang loop unroll(full)
|
|
for (int j = 0; j < 2; j += 1)
|
|
List[i + j] = (i + j) * 2;
|
|
}
|
|
}
|
|
|
|
// CHECK: %[[MUL:.+]] = mul
|
|
// CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.access.group ![[ACCESS_GROUP_2:[0-9]+]]
|
|
// CHECK: br label %{{.+}}, !llvm.loop ![[INNER_LOOPID:[0-9]+]]
|
|
// CHECK: br label %{{.+}}, !llvm.loop ![[OUTER_LOOPID:[0-9]+]]
|
|
|
|
// CHECK: ![[ACCESS_GROUP_2]] = distinct !{}
|
|
// CHECK: ![[INNER_LOOPID]] = distinct !{![[INNER_LOOPID]],
|
|
// CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]], [[MP:![0-9]+]], ![[PARALLEL_ACCESSES_9:[0-9]+]]
|
|
// CHECK: ![[PARALLEL_ACCESSES_9]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_2]]}
|