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Optimize the creation of mapping symbols.

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No need to create two symbols just to assign one to the other.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240773 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-06-26 11:31:13 +00:00
parent d4b0d61105
commit 8b8feaae29
2 changed files with 2 additions and 19 deletions
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12
lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.cpp
View File

@ -156,22 +156,12 @@ private:
} }
void EmitMappingSymbol(StringRef Name) { void EmitMappingSymbol(StringRef Name) {
MCSymbol *Start = getContext().createTempSymbol();
EmitLabel(Start);
auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol( auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol(
Name + "." + Twine(MappingSymbolCounter++))); Name + "." + Twine(MappingSymbolCounter++)));
EmitLabel(Symbol);
getAssembler().registerSymbol(*Symbol);
Symbol->setType(ELF::STT_NOTYPE); Symbol->setType(ELF::STT_NOTYPE);
Symbol->setBinding(ELF::STB_LOCAL); Symbol->setBinding(ELF::STB_LOCAL);
Symbol->setExternal(false); Symbol->setExternal(false);
auto Sec = getCurrentSection().first;
assert(Sec && "need a section");
Symbol->setSection(*Sec);
const MCExpr *Value = MCSymbolRefExpr::create(Start, getContext());
Symbol->setVariableValue(Value);
} }
int64_t MappingSymbolCounter; int64_t MappingSymbolCounter;

9
lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
View File

@ -563,20 +563,13 @@ private:
} }
void EmitMappingSymbol(StringRef Name) { void EmitMappingSymbol(StringRef Name) {
MCSymbol *Start = getContext().createTempSymbol();
EmitLabel(Start);
auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol( auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol(
Name + "." + Twine(MappingSymbolCounter++))); Name + "." + Twine(MappingSymbolCounter++)));
EmitLabel(Symbol);
getAssembler().registerSymbol(*Symbol);
Symbol->setType(ELF::STT_NOTYPE); Symbol->setType(ELF::STT_NOTYPE);
Symbol->setBinding(ELF::STB_LOCAL); Symbol->setBinding(ELF::STB_LOCAL);
Symbol->setExternal(false); Symbol->setExternal(false);
AssignSection(Symbol, getCurrentSection().first);
const MCExpr *Value = MCSymbolRefExpr::create(Start, getContext());
Symbol->setVariableValue(Value);
} }
void EmitThumbFunc(MCSymbol *Func) override { void EmitThumbFunc(MCSymbol *Func) override {