test/Transforms/GVN/rle-semidominated.ll


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

; RUN: opt < %s -basicaa -gvn -S | grep "DEAD = phi i32 "

define i32 @main(i32* %p, i32 %x, i32 %y) {
block1:
  %z = load i32* %p
  %cmp = icmp eq i32 %x, %y
	br i1 %cmp, label %block2, label %block3

block2:
 br label %block4

block3:
  %b = bitcast i32 0 to i32
  store i32 %b, i32* %p
  br label %block4

block4:
  %DEAD = load i32* %p
  ret i32 %DEAD
}