1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
; RUN: opt < %s -instcombine -simplifycfg -S |\
; RUN: not grep "call void @abort"
@b_rec.0 = external global i32 ; <i32*> [#uses=2]
define void @_Z12h000007_testv(i32* %P) {
entry:
%tmp.2 = load i32* @b_rec.0 ; <i32> [#uses=1]
%tmp.9 = or i32 %tmp.2, -989855744 ; <i32> [#uses=2]
%tmp.16 = and i32 %tmp.9, -805306369 ; <i32> [#uses=2]
%tmp.17 = and i32 %tmp.9, -973078529 ; <i32> [#uses=1]
store i32 %tmp.17, i32* @b_rec.0
%tmp.17.shrunk = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
%tmp.22 = and i32 %tmp.17.shrunk, -1073741824 ; <i32> [#uses=1]
%tmp.23 = icmp eq i32 %tmp.22, -1073741824 ; <i1> [#uses=1]
br i1 %tmp.23, label %endif.0, label %then.0
then.0: ; preds = %entry
tail call void @abort( )
unreachable
endif.0: ; preds = %entry
%tmp.17.shrunk2 = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
%tmp.27.mask = and i32 %tmp.17.shrunk2, 100663295 ; <i32> [#uses=1]
store i32 %tmp.27.mask, i32* %P
ret void
}
declare void @abort()
|
