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avoid an APFloat copy.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-10-15 05:34:10 +00:00
parent 59afba0fe9
commit 3cab1c72b5
1 changed files with 1 additions and 1 deletions
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2
lib/VMCore/ConstantFold.cpp
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@ -194,7 +194,7 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V,
case Instruction::FPToUI:
case Instruction::FPToSI:
if (const ConstantFP *FPC = dyn_cast<ConstantFP>(V)) {
APFloat V = FPC->getValueAPF();
const APFloat &V = FPC->getValueAPF();
uint64_t x[2];
uint32_t DestBitWidth = cast<IntegerType>(DestTy)->getBitWidth();
(void) V.convertToInteger(x, DestBitWidth, opc==Instruction::FPToSI,