| ; 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 |
| } |
