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20 lines
412 B
LLVM
20 lines
412 B
LLVM
; CFG Simplification is making a loop dead, then changing the add into:
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;
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; %V1 = add int %V1, 1
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;
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; Which is not valid SSA
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;
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; RUN: opt %s -simplifycfg | llvm-dis
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define void @test() {
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; <label>:0
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br i1 true, label %end, label %Loop
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Loop: ; preds = %Loop, %0
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%V = phi i32 [ 0, %0 ], [ %V1, %Loop ] ; <i32> [#uses=1]
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%V1 = add i32 %V, 1 ; <i32> [#uses=1]
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br label %Loop
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end: ; preds = %0
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ret void
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}
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