1; RUN: opt -S -basic-aa -gvn < %s | FileCheck %s
2
3target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
4target triple = "i386-apple-macosx10.6.0"
5
6; We incorrectly returned noalias in the example below for "tmp5" and
7; "tmp12" returning i32 32, since basicaa converted the offsets to 64b
8; and missed the wrap-around
9
10define i32 @foo(i8* %buffer) {
11entry:
12  %tmp2 = getelementptr i8, i8* %buffer, i32 -2071408432
13  %tmp3 = bitcast i8* %tmp2 to i32*
14  %tmp4 = getelementptr i8, i8* %buffer, i32 128
15  %tmp5 = bitcast i8* %tmp4 to i32*
16  store i32 32, i32* %tmp5, align 4
17  %tmp12 = getelementptr i32, i32* %tmp3, i32 -1629631508
18  store i32 28, i32* %tmp12, align 4
19  %tmp13 = getelementptr i8, i8* %buffer, i32 128
20  %tmp14 = bitcast i8* %tmp13 to i32*
21  %tmp2083 = load i32, i32* %tmp14, align 4
22; CHECK: ret i32 28
23  ret i32 %tmp2083
24}
25