1 ; RUN: opt -S -basicaa -gvn < %s | FileCheck %s 2 3 target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" 4 target 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 10 define i32 @foo(i8* %buffer) { 11 entry: 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
