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Next round of APFloat changes.

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Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double.  Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41747 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2007-09-06 18:13:44 +00:00
parent 325be7c608
commit 43421b3dd7
32 changed files with 540 additions and 437 deletions
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15
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -626,13 +626,16 @@ bool BitcodeReader::ParseConstants() {
if (Record.empty())
return Error("Invalid FLOAT record");
if (CurTy == Type::FloatTy)
V = ConstantFP::get(CurTy, BitsToFloat(Record[0]));
V = ConstantFP::get(CurTy, APFloat((float)BitsToDouble(Record[0])));
else if (CurTy == Type::DoubleTy)
V = ConstantFP::get(CurTy, BitsToDouble(Record[0]));
// FIXME: Make long double constants work.
else if (CurTy == Type::X86_FP80Ty ||
CurTy == Type::FP128Ty || CurTy == Type::PPC_FP128Ty)
assert(0 && "Long double constants not handled yet.");
V = ConstantFP::get(CurTy, APFloat(BitsToDouble(Record[0])));
// FIXME: Make long double constants work. BitsToDouble does not make it.
else if (CurTy == Type::X86_FP80Ty)
V = ConstantFP::get(CurTy, APFloat(BitsToDouble(Record[0])));
else if (CurTy == Type::FP128Ty)
V = ConstantFP::get(CurTy, APFloat(BitsToDouble(Record[0])));
else if (CurTy == Type::PPC_FP128Ty)
assert(0 && "PowerPC long double constants not handled yet.");
else
V = UndefValue::get(CurTy);
break;