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
31
32
33
34
35
36
37
|
; RUN: opt < %s -correlated-propagation
; PR8161
define void @test1() nounwind ssp {
entry:
br label %for.end
for.cond.us.us: ; preds = %for.cond.us.us
%cmp6.i.us.us = icmp sgt i32 1, 0
%lor.ext.i.us.us = zext i1 %cmp6.i.us.us to i32
%lor.ext.add.i.us.us = select i1 %cmp6.i.us.us, i32 %lor.ext.i.us.us, i32 undef
%conv.i.us.us = trunc i32 %lor.ext.add.i.us.us to i16
%sext.us.us = shl i16 %conv.i.us.us, 8
%conv6.us.us = ashr i16 %sext.us.us, 8
%and.us.us = and i16 %conv6.us.us, %and.us.us
br i1 false, label %for.end, label %for.cond.us.us
for.end: ; preds = %for.cond.us, %for.cond.us.us, %entry
ret void
}
; PR 8790
define void @test2() nounwind ssp {
entry:
br label %func_29.exit
sdf.exit.i:
%l_44.1.mux.i = select i1 %tobool5.not.i, i8 %l_44.1.mux.i, i8 1
br label %srf.exit.i
srf.exit.i:
%tobool5.not.i = icmp ne i8 undef, 0
br i1 %tobool5.not.i, label %sdf.exit.i, label %func_29.exit
func_29.exit:
ret void
}
|
