nicolas/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add APInt interfaces to APFloat (allows directly

Browse Source 
access to bits).  Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling 
(untested, probably does not work).

llvm-svn: 41858
This commit is contained in:
Dale Johannesen
2007-09-11 18:32:33 +00:00
parent 32ef96186f
commit 245dceb06d
16 changed files with 309 additions and 100 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
View File

@@ -622,23 +622,24 @@ bool BitcodeReader::ParseConstants() {
NumWords, &Words[0]));
break;
}
case bitc::CST_CODE_FLOAT: // FLOAT: [fpval]
case bitc::CST_CODE_FLOAT: { // FLOAT: [fpval]
if (Record.empty())
return Error("Invalid FLOAT record");
if (CurTy == Type::FloatTy)
V = ConstantFP::get(CurTy, APFloat(BitsToFloat(Record[0])));
V = ConstantFP::get(CurTy, APFloat(APInt(32, (uint32_t)Record[0])));
else if (CurTy == Type::DoubleTy)
V = ConstantFP::get(CurTy, APFloat(BitsToDouble(Record[0])));
V = ConstantFP::get(CurTy, APFloat(APInt(64, 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])));
V = ConstantFP::get(CurTy, APFloat(APInt(80, 2, &Record[0])));
else if (CurTy == Type::FP128Ty)
V = ConstantFP::get(CurTy, APFloat(BitsToDouble(Record[0])));
V = ConstantFP::get(CurTy, APFloat(APInt(128, 2, &Record[0])));
else if (CurTy == Type::PPC_FP128Ty)
assert(0 && "PowerPC long double constants not handled yet.");
else
V = UndefValue::get(CurTy);
break;
}
case bitc::CST_CODE_AGGREGATE: {// AGGREGATE: [n x value number]
if (Record.empty())