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Revert "Remove an InstCombine that seems to have become redundant."
[oota-llvm.git]
/
test
/
Transforms
/
InstSimplify
/
dead-code-removal.ll
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; RUN: opt -instsimplify -S < %s | FileCheck %s
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define void @foo() nounwind {
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br i1 undef, label %1, label %4
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; <label>:1 ; preds = %1, %0
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; CHECK-NOT: phi
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; CHECK-NOT: sub
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%2 = phi i32 [ %3, %1 ], [ undef, %0 ]
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%3 = sub i32 0, undef
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br label %1
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; <label>:4 ; preds = %0
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ret void
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}