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