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Revert r201751 and solve the const problem a different way - by

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making the cache mutable.

llvm-svn: 202417
This commit is contained in:
Eric Christopher 2014-02-27 18:36:10 +00:00
parent d7f77dd966
commit a35169d497
3 changed files with 16 additions and 28 deletions
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28
lib/CodeGen/AsmPrinter/DIE.cpp
View File

@ -426,15 +426,13 @@ void DIETypeSignature::dump() const { print(dbgs()); }
/// ComputeSize - calculate the size of the location expression.
///
unsigned DIELoc::ComputeSize(AsmPrinter *AP) const {
if (Size)
return Size;
if (!Size) {
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Size += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
}
unsigned Sz = 0;
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Sz += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
return Sz;
return Size;
}
/// EmitValue - Emit location data.
@ -483,15 +481,13 @@ void DIELoc::print(raw_ostream &O) const {
/// ComputeSize - calculate the size of the block.
///
unsigned DIEBlock::ComputeSize(AsmPrinter *AP) const {
if (Size)
return Size;
if (!Size) {
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Size += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
}
unsigned Sz = 0;
const SmallVectorImpl<DIEAbbrevData> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Sz += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
return Sz;
return Size;
}
/// EmitValue - Emit block data.

12
lib/CodeGen/AsmPrinter/DIE.h
View File

@ -445,7 +445,7 @@ namespace llvm {
/// DIELoc - Represents an expression location.
//
class DIELoc : public DIEValue, public DIE {
unsigned Size; // Size in bytes excluding size header.
mutable unsigned Size; // Size in bytes excluding size header.
public:
DIELoc() : DIEValue(isLoc), DIE(0), Size(0) {}
@ -453,10 +453,6 @@ namespace llvm {
///
unsigned ComputeSize(AsmPrinter *AP) const;
/// setSize - Set the size of the location entry.
///
void setSize(unsigned Sz) { Size = Sz; }
/// BestForm - Choose the best form for data.
///
dwarf::Form BestForm(unsigned DwarfVersion) const {
@ -488,7 +484,7 @@ namespace llvm {
/// DIEBlock - Represents a block of values.
//
class DIEBlock : public DIEValue, public DIE {
unsigned Size; // Size in bytes excluding size header.
mutable unsigned Size; // Size in bytes excluding size header.
public:
DIEBlock() : DIEValue(isBlock), DIE(0), Size(0) {}
@ -496,10 +492,6 @@ namespace llvm {
///
unsigned ComputeSize(AsmPrinter *AP) const;
/// setSize - Set the size of the block.
///
void setSize(unsigned Sz) { Size = Sz; }
/// BestForm - Choose the best form for data.
///
dwarf::Form BestForm() const {

4
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -348,14 +348,14 @@ DIE *DwarfUnit::createAndAddDIE(unsigned Tag, DIE &Parent, DIDescriptor N) {
/// addBlock - Add block data.
///
void DwarfUnit::addBlock(DIE *Die, dwarf::Attribute Attribute, DIELoc *Loc) {
Loc->setSize(Loc->ComputeSize(Asm));
Loc->ComputeSize(Asm);
DIELocs.push_back(Loc); // Memoize so we can call the destructor later on.
Die->addValue(Attribute, Loc->BestForm(DD->getDwarfVersion()), Loc);
}
void DwarfUnit::addBlock(DIE *Die, dwarf::Attribute Attribute,
DIEBlock *Block) {
Block->setSize(Block->ComputeSize(Asm));
Block->ComputeSize(Asm);
DIEBlocks.push_back(Block); // Memoize so we can call the destructor later on.
Die->addValue(Attribute, Block->BestForm(), Block);
}