| ; RUN: opt -S -basicaa -gvn < %s | FileCheck %s | |
| target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" | |
| target triple = "i386-apple-macosx10.6.0" | |
| ; We incorrectly returned noalias in the example below for "tmp5" and | |
| ; "tmp12" returning i32 32, since basicaa converted the offsets to 64b | |
| ; and missed the wrap-around | |
| define i32 @foo(i8* %buffer) { | |
| entry: | |
| %tmp2 = getelementptr i8, i8* %buffer, i32 -2071408432 | |
| %tmp3 = bitcast i8* %tmp2 to i32* | |
| %tmp4 = getelementptr i8, i8* %buffer, i32 128 | |
| %tmp5 = bitcast i8* %tmp4 to i32* | |
| store i32 32, i32* %tmp5, align 4 | |
| %tmp12 = getelementptr i32, i32* %tmp3, i32 -1629631508 | |
| store i32 28, i32* %tmp12, align 4 | |
| %tmp13 = getelementptr i8, i8* %buffer, i32 128 | |
| %tmp14 = bitcast i8* %tmp13 to i32* | |
| %tmp2083 = load i32, i32* %tmp14, align 4 | |
| ; CHECK: ret i32 28 | |
| ret i32 %tmp2083 | |
| } |