forked from OSchip/llvm-project
21 lines
358 B
LLVM
21 lines
358 B
LLVM
; 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
|
|
}
|