File: 2003-04-24-MultipleIdenticalSuccessors.ll

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llvm-toolchain-19 1%3A19.1.4-1~deb12u1
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; 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 -passes=mem2reg -disable-output

define i32 @test(i1 %c1, i1 %c2) {
	%X = alloca i32		; <ptr> [#uses=2]
	br i1 %c1, label %Exit, label %B2
B2:		; preds = %0
	store i32 2, ptr %X
	br i1 %c2, label %Exit, label %Exit
Exit:		; preds = %B2, %B2, %0
	%Y = load i32, ptr %X		; <i32> [#uses=1]
	ret i32 %Y
}