1; RUN: opt < %s -simplifycfg -S | \
2; RUN:   not grep "icmp eq"
3
4; Check that simplifycfg deletes a dead 'seteq' instruction when it
5; folds a conditional branch into a switch instruction.
6
7declare void @foo()
8
9declare void @bar()
10
11define void @testcfg(i32 %V) {
12        %C = icmp eq i32 %V, 18         ; <i1> [#uses=1]
13        %D = icmp eq i32 %V, 180                ; <i1> [#uses=1]
14        %E = or i1 %C, %D               ; <i1> [#uses=1]
15        br i1 %E, label %L1, label %Sw
16Sw:             ; preds = %0
17        switch i32 %V, label %L1 [
18                 i32 15, label %L2
19                 i32 16, label %L2
20        ]
21L1:             ; preds = %Sw, %0
22        call void @foo( )
23        ret void
24L2:             ; preds = %Sw, %Sw
25        call void @bar( )
26        ret void
27}
28
29