1 ; RUN: opt < %s -store-to-load-forwarding-conflict-detection=false -loop-accesses -analyze | FileCheck %s
2 ; RUN: opt -passes='require<scalar-evolution>,require<aa>,loop(print-access-info)' -store-to-load-forwarding-conflict-detection=false -disable-output < %s 2>&1 | FileCheck %s
4 ; This test checks that we prove the strided accesses to be independent before
5 ; concluding that there is a forward dependence.
12 ; int independent_interleaved(struct pair *p, int z, int n) {
14 ; for (int i = 0; i < n; i++) {
23 ; CHECK-NOT: store i32 %z, i32* %p_i.y, align 8 ->
24 ; CHECK-NOT: %0 = load i32, i32* %p_i.x, align 8
26 %pair = type { i32, i32 }
27 define i32 @independent_interleaved(%pair *%p, i64 %n, i32 %z) {
32 %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
33 %s = phi i32 [ %1, %for.body ], [ 0, %entry ]
34 %p_i.x = getelementptr inbounds %pair, %pair* %p, i64 %i, i32 0
35 %p_i.y = getelementptr inbounds %pair, %pair* %p, i64 %i, i32 1
36 store i32 %z, i32* %p_i.y, align 8
37 %0 = load i32, i32* %p_i.x, align 8
38 %1 = add nsw i32 %0, %s
39 %i.next = add nuw nsw i64 %i, 1
40 %cond = icmp slt i64 %i.next, %n
41 br i1 %cond, label %for.body, label %for.end
44 %2 = phi i32 [ %1, %for.body ]