llvm-6502/test/Transforms/Mem2Reg/2003-04-18-DeadBlockProblem.ll

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; This testcases makes sure that mem2reg can handle unreachable blocks.
; RUN: opt < %s -mem2reg
define i32 @test() {
%X = alloca i32 ; <i32*> [#uses=2]
store i32 6, i32* %X
br label %Loop
Loop: ; preds = %EndOfLoop, %0
store i32 5, i32* %X
br label %EndOfLoop
Unreachable: ; No predecessors!
br label %EndOfLoop
EndOfLoop: ; preds = %Unreachable, %Loop
br label %Loop
}