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Use a StringMap instead of std::map for storing std::string->DIE* maps. This

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gives a micro speedup in the Dwarf writer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68728 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-04-09 21:49:15 +00:00
parent b396992f68
commit 972bbac789
1 changed files with 10 additions and 10 deletions
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20
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -727,7 +727,7 @@ class CompileUnit {
/// Globals - A map of globally visible named entities for this unit.
///
std::map<std::string, DIE *> Globals;
StringMap<DIE*> Globals;
/// DiesSet - Used to uniquely define dies within the compile unit.
///
@ -745,7 +745,7 @@ public:
// Accessors.
unsigned getID() const { return ID; }
DIE* getDie() const { return Die; }
std::map<std::string, DIE *> &getGlobals() { return Globals; }
StringMap<DIE*> &getGlobals() { return Globals; }
/// hasContent - Return true if this compile unit has something to write out.
///
@ -2103,8 +2103,8 @@ private:
void ConstructDefaultDbgScope(MachineFunction *MF) {
const char *FnName = MF->getFunction()->getNameStart();
if (MainCU) {
std::map<std::string, DIE*> &Globals = MainCU->getGlobals();
std::map<std::string, DIE*>::iterator GI = Globals.find(FnName);
StringMap<DIE*> &Globals = MainCU->getGlobals();
StringMap<DIE*>::iterator GI = Globals.find(FnName);
if (GI != Globals.end()) {
DIE *SPDie = GI->second;
@ -2121,8 +2121,8 @@ private:
} else {
for (unsigned i = 0, e = CompileUnits.size(); i != e; ++i) {
CompileUnit *Unit = CompileUnits[i];
std::map<std::string, DIE*> &Globals = Unit->getGlobals();
std::map<std::string, DIE*>::iterator GI = Globals.find(FnName);
StringMap<DIE*> &Globals = Unit->getGlobals();
StringMap<DIE*>::iterator GI = Globals.find(FnName);
if (GI != Globals.end()) {
DIE *SPDie = GI->second;
@ -2663,10 +2663,10 @@ private:
true);
Asm->EOL("Compilation Unit Length");
std::map<std::string, DIE *> &Globals = Unit->getGlobals();
for (std::map<std::string, DIE *>::iterator GI = Globals.begin(),
GE = Globals.end(); GI != GE; ++GI) {
const std::string &Name = GI->first;
StringMap<DIE*> &Globals = Unit->getGlobals();
for (StringMap<DIE*>::iterator
GI = Globals.begin(), GE = Globals.end(); GI != GE; ++GI) {
const std::string &Name = GI->first();
DIE * Entity = GI->second;
Asm->EmitInt32(Entity->getOffset()); Asm->EOL("DIE offset");