blob: 9fa859eaab52014733b94635f140af01ff02df37 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
; RUN: opt -enable-tbaa -basicaa -tbaa -gvn -instcombine -S < %s | grep {ret i32 0}
; RUN: opt -enable-tbaa -tbaa -basicaa -gvn -instcombine -S < %s | grep {ret i32 1075000115}
; According to the TBAA metadata the load and store don't alias. However,
; according to the actual code, they do. The order of the alias analysis
; passes should determine which of these takes precedence.
target datalayout = "e-p:64:64:64"
define i32 @trouble(i32* %x) nounwind {
entry:
store i32 0, i32* %x, !tbaa !0
%0 = bitcast i32* %x to float*
store float 0x4002666660000000, float* %0, !tbaa !3
%tmp3 = load i32* %x, !tbaa !0
ret i32 %tmp3
}
!0 = metadata !{metadata !"int", metadata !1}
!1 = metadata !{metadata !"simple"}
!3 = metadata !{metadata !"float", metadata !1}
|