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Imported Upstream version 6.0.0.172
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external/llvm/test/Transforms/ConstProp/phi.ll
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external/llvm/test/Transforms/ConstProp/phi.ll
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; This is a basic sanity check for constant propagation. The add instruction
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; should be eliminated.
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; RUN: opt < %s -constprop -die -S | not grep phi
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define i32 @test(i1 %B) {
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BB0:
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br i1 %B, label %BB1, label %BB3
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BB1: ; preds = %BB0
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br label %BB3
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BB3: ; preds = %BB1, %BB0
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%Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1]
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ret i32 %Ret
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}
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