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llvm-mirror/test/Transforms/Mem2Reg/2003-04-24-MultipleIdenticalSuccessors.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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432 B
LLVM

; Mem2reg used to only add one incoming value to a PHI node, even if it had
; multiple incoming edges from a block.
;
; RUN: opt < %s -mem2reg -disable-output
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, i32* %X ; <i32> [#uses=1]
ret i32 %Y
}