6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-03 14:21:30 +00:00
Code Issues Projects Releases Wiki Activity

Use the new convertFromAPInt instead of convertFromZeroExtendedInteger.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47744 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-02-29 01:42:52 +00:00
parent c6f9a06238
commit 37a9ca5bc5
1 changed files with 3 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
lib/VMCore/ConstantFold.cpp
View File

@@ -170,8 +170,6 @@ static Constant *FoldBitCast(Constant *V, const Type *DestTy) {
Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V, Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V,
const Type *DestTy) { const Type *DestTy) {
const Type *SrcTy = V->getType();
if (isa<UndefValue>(V)) { if (isa<UndefValue>(V)) {
// zext(undef) = 0, because the top bits will be zero. // zext(undef) = 0, because the top bits will be zero.
// sext(undef) = 0, because the top bits will all be the same. // sext(undef) = 0, because the top bits will all be the same.
@@ -257,10 +255,9 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V,
if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) { if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
APInt api = CI->getValue(); APInt api = CI->getValue();
const uint64_t zero[] = {0, 0}; const uint64_t zero[] = {0, 0};
uint32_t BitWidth = cast<IntegerType>(SrcTy)->getBitWidth();
APFloat apf = APFloat(APInt(DestTy->getPrimitiveSizeInBits(), APFloat apf = APFloat(APInt(DestTy->getPrimitiveSizeInBits(),
2, zero)); 2, zero));
(void)apf.convertFromZeroExtendedInteger(api.getRawData(), BitWidth, (void)apf.convertFromAPInt(api,
opc==Instruction::SIToFP, opc==Instruction::SIToFP,
APFloat::rmNearestTiesToEven); APFloat::rmNearestTiesToEven);
return ConstantFP::get(DestTy, apf); return ConstantFP::get(DestTy, apf);