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Merge two if-statements into one. 

llvm-svn: 60402
This commit is contained in:
Bill Wendling 2008-12-02 06:22:04 +00:00
parent 5635295266
commit 790b4bf9a9
1 changed files with 3 additions and 7 deletions
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10
llvm/lib/Transforms/Scalar/InstructionCombining.cpp
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@ -4443,14 +4443,10 @@ Instruction *InstCombiner::FoldOrWithConstants(BinaryOperator &I, Value *Op,
APInt Xor = CI1->getValue() ^ CI2->getValue(); APInt Xor = CI1->getValue() ^ CI2->getValue();
if (!Xor.isAllOnesValue()) return 0; if (!Xor.isAllOnesValue()) return 0;
if (V1 == B) { if (V1 == A || V1 == B)
Instruction *NewOp = Instruction *NewOp =
InsertNewInstBefore(BinaryOperator::CreateAnd(A, CI1), I); InsertNewInstBefore(BinaryOperator::CreateAnd((V1 == A) ? B : A, CI1), I);
return BinaryOperator::CreateOr(NewOp, B); return BinaryOperator::CreateOr(NewOp, V1);
} else if (V1 == A) {
Instruction *NewOp =
InsertNewInstBefore(BinaryOperator::CreateAnd(B, CI1), I);
return BinaryOperator::CreateOr(NewOp, A);
} }
return 0; return 0;