1 ; RUN: opt -passes='print<access-info>' -disable-output < %s 2>&1 | FileCheck %s
3 ; This is the test case from PR26314.
4 ; When we were retrying dependence checking with memchecks only,
5 ; the loop-invariant access in the inner loop was incorrectly determined to be wrapping
6 ; because it was not strided in the inner loop.
15 ; void slow_function (s* const obj, int z) {
16 ; for (int j=0; j<Z; j++) {
17 ; for (int k=0; k<z; k++) {
18 ; int x = obj->v1[k] + obj->v2[j];
24 ; CHECK: function 'Test':
26 ; CHECK-NEXT: Memory dependences are safe with run-time checks
27 ; CHECK-NEXT: Dependences:
28 ; CHECK-NEXT: Run-time memory checks:
32 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
34 %struct.s = type { [32 x i32], [32 x i32], [32 x [32 x i32]] }
36 define void @Test(ptr nocapture %obj, i64 %z) #0 {
37 br label %.outer.preheader
41 %i = phi i64 [ 0, %0 ], [ %i.next, %.outer ]
42 %1 = getelementptr inbounds %struct.s, ptr %obj, i64 0, i32 1, i64 %i
49 %i.next = add nuw nsw i64 %i, 1
50 %exitcond.outer = icmp eq i64 %i.next, 32
51 br i1 %exitcond.outer, label %.exit, label %.outer.preheader
54 %j = phi i64 [ 0, %.outer.preheader ], [ %j.next, %.inner ]
55 %2 = getelementptr inbounds %struct.s, ptr %obj, i64 0, i32 0, i64 %j
58 %5 = add nsw i32 %4, %3
59 %6 = getelementptr inbounds %struct.s, ptr %obj, i64 0, i32 2, i64 %i, i64 %j
61 %8 = add nsw i32 %5, %7
63 %j.next = add nuw nsw i64 %j, 1
64 %exitcond.inner = icmp eq i64 %j.next, %z
65 br i1 %exitcond.inner, label %.outer, label %.inner