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The last of PR14471 - emission of constant floats

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172941 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2013-01-20 01:18:01 +00:00
parent 194ef24dfe
commit 1426841672
3 changed files with 49 additions and 32 deletions
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20
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -628,10 +628,21 @@ bool CompileUnit::addConstantFPValue(DIE *Die, const MachineOperand &MO) {
return true;
}
/// addConstantFPValue - Add constant value entry in variable DIE.
bool CompileUnit::addConstantFPValue(DIE *Die, const ConstantFP *CFP) {
return addConstantValue(Die, CFP->getValueAPF().bitcastToAPInt(), false);
}
/// addConstantValue - Add constant value entry in variable DIE.
bool CompileUnit::addConstantValue(DIE *Die, const ConstantInt *CI,
bool Unsigned) {
unsigned CIBitWidth = CI->getBitWidth();
return addConstantValue(Die, CI->getValue(), Unsigned);
}
// addConstantValue - Add constant value entry in variable DIE.
bool CompileUnit::addConstantValue(DIE *Die, const APInt &Val,
bool Unsigned) {
unsigned CIBitWidth = Val.getBitWidth();
if (CIBitWidth <= 64) {
unsigned form = 0;
switch (CIBitWidth) {
@ -643,16 +654,15 @@ bool CompileUnit::addConstantValue(DIE *Die, const ConstantInt *CI,
form = Unsigned ? dwarf::DW_FORM_udata : dwarf::DW_FORM_sdata;
}
if (Unsigned)
addUInt(Die, dwarf::DW_AT_const_value, form, CI->getZExtValue());
addUInt(Die, dwarf::DW_AT_const_value, form, Val.getZExtValue());
else
addSInt(Die, dwarf::DW_AT_const_value, form, CI->getSExtValue());
addSInt(Die, dwarf::DW_AT_const_value, form, Val.getSExtValue());
return true;
}
DIEBlock *Block = new (DIEValueAllocator) DIEBlock();
// Get the raw data form of the large APInt.
const APInt Val = CI->getValue();
const uint64_t *Ptr64 = Val.getRawData();
int NumBytes = Val.getBitWidth() / 8; // 8 bits per byte.
@ -1697,6 +1707,8 @@ DIE *CompileUnit::createStaticMemberDIE(const DIDerivedType DT) {
if (const ConstantInt *CI = dyn_cast_or_null<ConstantInt>(DT.getConstant()))
addConstantValue(StaticMemberDIE, CI, Ty.isUnsignedDIType());
if (const ConstantFP *CFP = dyn_cast_or_null<ConstantFP>(DT.getConstant()))
addConstantFPValue(StaticMemberDIE, CFP);
insertDIE(DT, StaticMemberDIE);
return StaticMemberDIE;