commit 3cab1c72b54cceaf2a4275dabf1b4160765820fc
author Chris Lattner <sabre@nondot.org> Mon Oct 15 05:34:10 2007 +0000
committer Chris Lattner <sabre@nondot.org> Mon Oct 15 05:34:10 2007 +0000
tree 57992ec6af7c917a418245a5566a5a814f8b0849
parent 59afba0fe997c9f65abd66a4c3902ee2064abc4b

avoid an APFloat copy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42979 91177308-0d34-0410-b5e6-96231b3b80d8

lib/VMCore/ConstantFold.cpp

diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index 485b428..da7e768 100644
--- a/lib/VMCore/ConstantFold.cpp
+++ b/lib/VMCore/ConstantFold.cpp
@@ -194,7 +194,7 @@
   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,