blob: d3bdb880e172bb3f590ce96b10e877fba7c98986 [file] [log] [blame]
Michael Krusecba47b42018-08-03 04:42:52 +00001// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
2
Michael Kruse05351372018-12-20 21:24:54 +00003// Verify that the outer loop has the llvm.access.group property for the
4// accesses outside and inside the inner loop.
Michael Krusecba47b42018-08-03 04:42:52 +00005void vectorize_nested_test(int *List, int Length) {
6#pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable)
7 for (int i = 0; i < Length; ++i) {
8#pragma clang loop vectorize(assume_safety) interleave(disable) unroll(disable)
9 for (int j = 0; j < Length; ++j)
10 List[i * Length + j] = (i + j) * 2;
11 }
12}
13
Michael Kruse05351372018-12-20 21:24:54 +000014
15// CHECK: load i32, i32* %Length.addr, align 4, !llvm.access.group ![[ACCESS_GROUP_2:[0-9]+]]
Michael Krusecba47b42018-08-03 04:42:52 +000016// CHECK: %[[MUL:.+]] = mul
Michael Kruse05351372018-12-20 21:24:54 +000017// CHECK: store i32 %[[MUL]], i32* %{{.+}}, !llvm.access.group ![[ACCESS_GROUP_LIST_3:[0-9]+]]
Michael Krusecba47b42018-08-03 04:42:52 +000018// CHECK: br label %{{.+}}, !llvm.loop ![[INNER_LOOPID:[0-9]+]]
19// CHECK: br label %{{.+}}, !llvm.loop ![[OUTER_LOOPID:[0-9]+]]
20
Michael Kruse05351372018-12-20 21:24:54 +000021// CHECK: ![[ACCESS_GROUP_2]] = distinct !{}
22// CHECK: ![[ACCESS_GROUP_LIST_3]] = !{![[ACCESS_GROUP_2]], ![[ACCESS_GROUP_4:[0-9]+]]}
23// CHECK: ![[ACCESS_GROUP_4]] = distinct !{}
Michael Kruse58e76422019-04-01 17:47:41 +000024// CHECK: ![[INNER_LOOPID]] = distinct !{![[INNER_LOOPID]], ![[PARALLEL_ACCESSES_8:[0-9]+]]
Michael Kruse05351372018-12-20 21:24:54 +000025// CHECK: ![[PARALLEL_ACCESSES_8]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_4]]}
Michael Kruse58e76422019-04-01 17:47:41 +000026// CHECK: ![[OUTER_LOOPID]] = distinct !{![[OUTER_LOOPID]], ![[PARALLEL_ACCESSES_10:[0-9]+]]
Michael Kruse05351372018-12-20 21:24:54 +000027// CHECK: ![[PARALLEL_ACCESSES_10]] = !{!"llvm.loop.parallel_accesses", ![[ACCESS_GROUP_2]]}