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
|
; RUN: %lli -use-orcmcjit %s > /dev/null
; test phi node
@Y = global i32 6 ; <i32*> [#uses=1]
define void @blah(i32* %X) {
; <label>:0
br label %T
T: ; preds = %Dead, %0
phi i32* [ %X, %0 ], [ @Y, %Dead ] ; <i32*>:1 [#uses=0]
ret void
Dead: ; No predecessors!
br label %T
}
define i32 @test(i1 %C) {
; <label>:0
br i1 %C, label %T, label %T
T: ; preds = %0, %0
%X = phi i32 [ 123, %0 ], [ 123, %0 ] ; <i32> [#uses=1]
ret i32 %X
}
define i32 @main() {
; <label>:0
br label %Test
Test: ; preds = %Dead, %0
%X = phi i32 [ 0, %0 ], [ %Y, %Dead ] ; <i32> [#uses=1]
ret i32 %X
Dead: ; No predecessors!
%Y = ashr i32 12, 4 ; <i32> [#uses=1]
br label %Test
}
|
