2003-04-25 00:46:14 +00:00
|
|
|
; Mem2reg used to only add one incoming value to a PHI node, even if it had
|
|
|
|
; multiple incoming edges from a block.
|
|
|
|
;
|
2008-03-19 07:28:33 +00:00
|
|
|
; RUN: llvm-as < %s | opt -mem2reg -disable-output
|
2003-04-25 00:46:14 +00:00
|
|
|
|
2008-03-19 07:28:33 +00:00
|
|
|
define i32 @test(i1 %c1, i1 %c2) {
|
|
|
|
%X = alloca i32 ; <i32*> [#uses=2]
|
|
|
|
br i1 %c1, label %Exit, label %B2
|
|
|
|
B2: ; preds = %0
|
|
|
|
store i32 2, i32* %X
|
|
|
|
br i1 %c2, label %Exit, label %Exit
|
|
|
|
Exit: ; preds = %B2, %B2, %0
|
|
|
|
%Y = load i32* %X ; <i32> [#uses=1]
|
|
|
|
ret i32 %Y
|
2003-04-25 00:46:14 +00:00
|
|
|
}
|
2008-03-19 07:28:33 +00:00
|
|
|
|