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Use 12 as the magic number for our abbreviation data and our

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die values. A lot of DIEs have 10 attributes in C++ code (example
clang), none had more than 12. Seems like a good default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178366 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-03-29 20:23:06 +00:00
parent c126c3232a
commit 2df938ad71
3 changed files with 11 additions and 11 deletions
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6
lib/CodeGen/AsmPrinter/DIE.cpp
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@ -144,7 +144,7 @@ void DIE::print(raw_ostream &O, unsigned IncIndent) {
O << "Size: " << Size << "\n";
}
const SmallVector<DIEAbbrevData, 8> &Data = Abbrev.getData();
const SmallVector<DIEAbbrevData, 12> &Data = Abbrev.getData();
IndentCount += 2;
for (unsigned i = 0, N = Data.size(); i < N; ++i) {
@ -324,7 +324,7 @@ void DIEEntry::print(raw_ostream &O) {
///
unsigned DIEBlock::ComputeSize(AsmPrinter *AP) {
if (!Size) {
const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev.getData();
const SmallVector<DIEAbbrevData, 12> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Size += Values[i]->SizeOf(AP, AbbrevData[i].getForm());
}
@ -343,7 +343,7 @@ void DIEBlock::EmitValue(AsmPrinter *Asm, unsigned Form) const {
case dwarf::DW_FORM_block: Asm->EmitULEB128(Size); break;
}
const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev.getData();
const SmallVector<DIEAbbrevData, 12> &AbbrevData = Abbrev.getData();
for (unsigned i = 0, N = Values.size(); i < N; ++i)
Values[i]->EmitValue(Asm, AbbrevData[i].getForm());
}

8
lib/CodeGen/AsmPrinter/DIE.h
View File

@ -66,7 +66,7 @@ namespace llvm {
/// Data - Raw data bytes for abbreviation.
///
SmallVector<DIEAbbrevData, 8> Data;
SmallVector<DIEAbbrevData, 12> Data;
public:
DIEAbbrev(uint16_t T, uint16_t C) : Tag(T), ChildrenFlag(C), Data() {}
@ -75,7 +75,7 @@ namespace llvm {
uint16_t getTag() const { return Tag; }
unsigned getNumber() const { return Number; }
uint16_t getChildrenFlag() const { return ChildrenFlag; }
const SmallVector<DIEAbbrevData, 8> &getData() const { return Data; }
const SmallVector<DIEAbbrevData, 12> &getData() const { return Data; }
void setTag(uint16_t T) { Tag = T; }
void setChildrenFlag(uint16_t CF) { ChildrenFlag = CF; }
void setNumber(unsigned N) { Number = N; }
@ -133,7 +133,7 @@ namespace llvm {
/// Attribute values.
///
SmallVector<DIEValue*, 32> Values;
SmallVector<DIEValue*, 12> Values;
// Private data for print()
mutable unsigned IndentCount;
@ -150,7 +150,7 @@ namespace llvm {
unsigned getOffset() const { return Offset; }
unsigned getSize() const { return Size; }
const std::vector<DIE *> &getChildren() const { return Children; }
const SmallVector<DIEValue*, 32> &getValues() const { return Values; }
const SmallVector<DIEValue*, 12> &getValues() const { return Values; }
DIE *getParent() const { return Parent; }
/// Climb up the parent chain to get the compile unit DIE this DIE belongs
/// to.

8
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1672,8 +1672,8 @@ DwarfUnits::computeSizeAndOffset(DIE *Die, unsigned Offset) {
// Start the size with the size of abbreviation code.
Offset += MCAsmInfo::getULEB128Size(AbbrevNumber);
const SmallVector<DIEValue*, 32> &Values = Die->getValues();
const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev->getData();
const SmallVector<DIEValue*, 12> &Values = Die->getValues();
const SmallVector<DIEAbbrevData, 12> &AbbrevData = Abbrev->getData();
// Size the DIE attribute values.
for (unsigned i = 0, N = Values.size(); i < N; ++i)
@ -1767,8 +1767,8 @@ void DwarfDebug::emitDIE(DIE *Die, std::vector<DIEAbbrev *> *Abbrevs) {
dwarf::TagString(Abbrev->getTag()));
Asm->EmitULEB128(AbbrevNumber);
const SmallVector<DIEValue*, 32> &Values = Die->getValues();
const SmallVector<DIEAbbrevData, 8> &AbbrevData = Abbrev->getData();
const SmallVector<DIEValue*, 12> &Values = Die->getValues();
const SmallVector<DIEAbbrevData, 12> &AbbrevData = Abbrev->getData();
// Emit the DIE attribute values.
for (unsigned i = 0, N = Values.size(); i < N; ++i) {