================
@@ -560,14 +560,15 @@ define i32 @test28() nounwind {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ORIENTATIONS:%.*]] = alloca [1 x [1 x %struct.x]], align 8
; CHECK-NEXT: [[T3:%.*]] = call i32 @puts(ptr noundef nonnull
dereferenceable(1) @.str) #[[ATTR0]]
+; CHECK-NEXT: [[T45:%.*]] = getelementptr inbounds i8, ptr
[[ORIENTATIONS]], i64 1
; CHECK-NEXT: br label [[BB10:%.*]]
; CHECK: bb10:
; CHECK-NEXT: [[INDVAR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [
[[INDVAR_NEXT:%.*]], [[BB10]] ]
; CHECK-NEXT: [[T12_REC:%.*]] = xor i32 [[INDVAR]], -1
; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[T12_REC]] to i64
-; CHECK-NEXT: [[T12:%.*]] = getelementptr inbounds [1 x [1 x %struct.x]],
ptr [[ORIENTATIONS]], i64 1, i64 0, i64 [[TMP0]]
+; CHECK-NEXT: [[T12:%.*]] = getelementptr inbounds [[STRUCT_X:%.*]], ptr
[[T45]], i64 [[TMP0]]
; CHECK-NEXT: [[T16:%.*]] = call i32 (ptr, ...) @printf(ptr noundef nonnull
dereferenceable(1) @.str1, ptr nonnull [[T12]]) #[[ATTR0]]
-; CHECK-NEXT: [[T84:%.*]] = icmp eq i32 [[INDVAR]], 0
+; CHECK-NEXT: [[T84:%.*]] = icmp eq ptr [[T12]], [[ORIENTATIONS]]
----------------
nikic wrote:
Index compare fold regression.
https://github.com/llvm/llvm-project/pull/68882
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