File: 2006-06-12-MultipleExitsSameBlock.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; RUN: opt < %s -passes=lcssa -S | FileCheck %s

declare i1 @c1()

declare i1 @c2()

define i32 @foo() {
; CHECK-LABEL: @foo
entry:
	br label %loop_begin
loop_begin:		; preds = %loop_body.2, %entry
	br i1 true, label %loop_body.1, label %loop_exit2
loop_body.1:		; preds = %loop_begin
	%X.1 = add i32 0, 1		; <i32> [#uses=1]
	%rel.1 = call i1 @c1( )		; <i1> [#uses=1]
	br i1 %rel.1, label %loop_exit, label %loop_body.2
loop_body.2:		; preds = %loop_body.1
	%rel.2 = call i1 @c2( )		; <i1> [#uses=1]
	br i1 %rel.2, label %loop_exit, label %loop_begin
loop_exit:		; preds = %loop_body.2, %loop_body.1
; CHECK: %X.1.lcssa = phi
	ret i32 %X.1
loop_exit2:		; preds = %loop_begin
	ret i32 1
; CHECK-NOT: %X.1.lcssa1
}