mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
Refine the Dwarf writer timers so that they measure exception writing and debug
writing individually. llvm-svn: 66577
This commit is contained in:
Bill Wendling
parent
f650b9b7da
commit
c0ffcaacf8
@ -33,7 +33,6 @@ class Value;
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class Module;
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class GlobalVariable;
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class TargetAsmInfo;
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class Timer;
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class raw_ostream;
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//===----------------------------------------------------------------------===//
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@ -50,9 +49,6 @@ private:
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///
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DwarfException *DE;
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/// DwarfTimer - Timer for the Dwarf writer.
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///
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Timer *DwarfTimer;
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public:
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static char ID; // Pass identification, replacement for typeid
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@ -1286,8 +1286,11 @@ class DwarfDebug : public Dwarf {
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//
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DbgScope *RootDbgScope;
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// DbgScopeMap - Tracks the scopes in the current function.
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/// DbgScopeMap - Tracks the scopes in the current function.
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DenseMap<GlobalVariable *, DbgScope *> DbgScopeMap;
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/// DebugTimer - Timer for the Dwarf debug writer.
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Timer *DebugTimer;
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struct FunctionDebugFrameInfo {
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unsigned Number;
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@ -1300,12 +1303,12 @@ class DwarfDebug : public Dwarf {
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std::vector<FunctionDebugFrameInfo> DebugFrames;
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public:
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/// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
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/// be emitted.
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///
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bool ShouldEmitDwarfDebug() const { return shouldEmit; }
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private:
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/// AssignAbbrevNumber - Define a unique number for the abbreviation.
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///
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void AssignAbbrevNumber(DIEAbbrev &Abbrev) {
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@ -1516,8 +1519,6 @@ public:
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Die->AddValue(Attribute, Block->BestForm(), Value);
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}
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private:
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/// AddSourceLine - Add location information to specified debug information
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/// entry.
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void AddSourceLine(DIE *Die, const DIVariable *V) {
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@ -2956,33 +2957,37 @@ public:
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// Main entry points.
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//
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DwarfDebug(raw_ostream &OS, AsmPrinter *A, const TargetAsmInfo *T)
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: Dwarf(OS, A, T, "dbg")
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, MainCU(NULL)
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, AbbreviationsSet(InitAbbreviationsSetSize)
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, Abbreviations()
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, ValuesSet(InitValuesSetSize)
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, Values()
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, StringPool()
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, SectionMap()
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, SectionSourceLines()
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, didInitial(false)
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, shouldEmit(false)
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, RootDbgScope(NULL)
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{
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: Dwarf(OS, A, T, "dbg"), MainCU(0),
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AbbreviationsSet(InitAbbreviationsSetSize), Abbreviations(),
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ValuesSet(InitValuesSetSize), Values(), StringPool(), SectionMap(),
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SectionSourceLines(), didInitial(false), shouldEmit(false),
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RootDbgScope(0), DebugTimer(0) {
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if (TimePassesIsEnabled)
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DebugTimer = new Timer("Dwarf Debug Writer",
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*getDwarfTimerGroup());
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}
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virtual ~DwarfDebug() {
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for (unsigned j = 0, M = Values.size(); j < M; ++j)
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delete Values[j];
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delete DebugTimer;
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}
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/// SetDebugInfo - Create global DIEs and emit initial debug info sections.
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/// This is inovked by the target AsmPrinter.
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void SetDebugInfo(MachineModuleInfo *mmi) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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// Create all the compile unit DIEs.
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ConstructCompileUnits();
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if (CompileUnits.empty())
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if (CompileUnits.empty()) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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return;
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}
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// Create DIEs for each of the externally visible global variables.
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bool globalDIEs = ConstructGlobalVariableDIEs();
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@ -2992,8 +2997,12 @@ public:
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// If there is not any debug info available for any global variables
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// and any subprograms then there is not any debug info to emit.
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if (!globalDIEs && !subprogramDIEs)
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if (!globalDIEs && !subprogramDIEs) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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return;
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}
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MMI = mmi;
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shouldEmit = true;
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@ -3020,6 +3029,9 @@ public:
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// Emit initial sections
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EmitInitial();
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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}
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/// BeginModule - Emit all Dwarf sections that should come prior to the
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@ -3031,7 +3043,11 @@ public:
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/// EndModule - Emit all Dwarf sections that should come after the content.
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///
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void EndModule() {
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if (!ShouldEmitDwarfDebug()) return;
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if (!ShouldEmitDwarfDebug())
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return;
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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// Standard sections final addresses.
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Asm->SwitchToSection(TAI->getTextSection());
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@ -3082,15 +3098,21 @@ public:
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// Emit info into a debug macinfo section.
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EmitDebugMacInfo();
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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}
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/// BeginFunction - Gather pre-function debug information. Assumes being
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/// emitted immediately after the function entry point.
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void BeginFunction(MachineFunction *MF) {
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this->MF = MF;
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if (!ShouldEmitDwarfDebug()) return;
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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this->MF = MF;
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// Begin accumulating function debug information.
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MMI->BeginFunction(MF);
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@ -3103,6 +3125,9 @@ public:
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const SrcLineInfo &LineInfo = Lines[0];
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Asm->printLabel(LineInfo.getLabelID());
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}
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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}
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/// EndFunction - Gather and emit post-function debug information.
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@ -3110,6 +3135,9 @@ public:
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void EndFunction(MachineFunction *MF) {
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if (!ShouldEmitDwarfDebug()) return;
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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// Define end label for subprogram.
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EmitLabel("func_end", SubprogramCount);
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@ -3147,10 +3175,12 @@ public:
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DbgScopeMap.clear();
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RootDbgScope = NULL;
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}
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Lines.clear();
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}
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public:
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Lines.clear();
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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}
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/// ValidDebugInfo - Return true if V represents valid debug info value.
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bool ValidDebugInfo(Value *V) {
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@ -3167,11 +3197,19 @@ public:
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if (!GV->hasInternalLinkage () && !GV->hasLinkOnceLinkage())
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return false;
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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DIDescriptor DI(GV);
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// Check current version. Allow Version6 for now.
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unsigned Version = DI.getVersion();
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if (Version != LLVMDebugVersion && Version != LLVMDebugVersion6)
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if (Version != LLVMDebugVersion && Version != LLVMDebugVersion6) {
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return false;
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}
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unsigned Tag = DI.getTag();
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switch (Tag) {
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@ -3188,6 +3226,9 @@ public:
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break;
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}
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return true;
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}
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@ -3195,10 +3236,17 @@ public:
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/// label. Returns a unique label ID used to generate a label and provide
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/// correspondence to the source line list.
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unsigned RecordSourceLine(Value *V, unsigned Line, unsigned Col) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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CompileUnit *Unit = CompileUnitMap[V];
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assert(Unit && "Unable to find CompileUnit");
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unsigned ID = MMI->NextLabelID();
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Lines.push_back(SrcLineInfo(Line, Col, Unit->getID(), ID));
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return ID;
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}
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@ -3206,8 +3254,15 @@ public:
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/// label. Returns a unique label ID used to generate a label and provide
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/// correspondence to the source line list.
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unsigned RecordSourceLine(unsigned Line, unsigned Col, unsigned Src) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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unsigned ID = MMI->NextLabelID();
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Lines.push_back(SrcLineInfo(Line, Col, Src, ID));
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return ID;
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}
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@ -3258,11 +3313,14 @@ public:
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/// as well.
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unsigned getOrCreateSourceID(const std::string &DirName,
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const std::string &FileName) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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unsigned DId;
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StringMap<unsigned>::iterator DI = DirectoryIdMap.find(DirName);
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if (DI != DirectoryIdMap.end())
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if (DI != DirectoryIdMap.end()) {
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DId = DI->getValue();
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else {
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} else {
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DId = DirectoryNames.size() + 1;
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DirectoryIdMap[DirName] = DId;
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DirectoryNames.push_back(DirName);
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@ -3270,9 +3328,9 @@ public:
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unsigned FId;
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StringMap<unsigned>::iterator FI = SourceFileIdMap.find(FileName);
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if (FI != SourceFileIdMap.end())
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if (FI != SourceFileIdMap.end()) {
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FId = FI->getValue();
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else {
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} else {
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FId = SourceFileNames.size() + 1;
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SourceFileIdMap[FileName] = FId;
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SourceFileNames.push_back(FileName);
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@ -3280,37 +3338,65 @@ public:
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DenseMap<std::pair<unsigned, unsigned>, unsigned>::iterator SI =
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SourceIdMap.find(std::make_pair(DId, FId));
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if (SI != SourceIdMap.end())
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if (SI != SourceIdMap.end()) {
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return SI->second;
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}
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unsigned SrcId = SourceIds.size() + 1; // DW_AT_decl_file cannot be 0.
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SourceIdMap[std::make_pair(DId, FId)] = SrcId;
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SourceIds.push_back(std::make_pair(DId, FId));
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return SrcId;
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}
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/// RecordRegionStart - Indicate the start of a region.
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///
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unsigned RecordRegionStart(GlobalVariable *V) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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DbgScope *Scope = getOrCreateScope(V);
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unsigned ID = MMI->NextLabelID();
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if (!Scope->getStartLabelID()) Scope->setStartLabelID(ID);
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return ID;
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}
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/// RecordRegionEnd - Indicate the end of a region.
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///
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unsigned RecordRegionEnd(GlobalVariable *V) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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DbgScope *Scope = getOrCreateScope(V);
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unsigned ID = MMI->NextLabelID();
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Scope->setEndLabelID(ID);
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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return ID;
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}
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/// RecordVariable - Indicate the declaration of a local variable.
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///
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void RecordVariable(GlobalVariable *GV, unsigned FrameIndex) {
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if (TimePassesIsEnabled)
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DebugTimer->startTimer();
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DIDescriptor Desc(GV);
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DbgScope *Scope = NULL;
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if (Desc.getTag() == DW_TAG_variable) {
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// GV is a global variable.
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DIGlobalVariable DG(GV);
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@ -3320,9 +3406,13 @@ public:
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DIVariable DV(GV);
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Scope = getOrCreateScope(DV.getContext().getGV());
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}
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assert(Scope && "Unable to find variable' scope");
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DbgVariable *DV = new DbgVariable(DIVariable(GV), FrameIndex);
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Scope->AddVariable(DV);
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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}
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};
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@ -3365,6 +3455,9 @@ class DwarfException : public Dwarf {
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/// should be emitted.
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bool shouldEmitMovesModule;
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/// ExceptionTimer - Timer for the Dwarf exception writer.
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Timer *ExceptionTimer;
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/// EmitCommonEHFrame - Emit the common eh unwind frame.
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///
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void EmitCommonEHFrame(const Function *Personality, unsigned Index) {
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@ -3977,14 +4070,17 @@ public:
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// Main entry points.
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//
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DwarfException(raw_ostream &OS, AsmPrinter *A, const TargetAsmInfo *T)
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: Dwarf(OS, A, T, "eh")
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, shouldEmitTable(false)
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, shouldEmitMoves(false)
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, shouldEmitTableModule(false)
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, shouldEmitMovesModule(false)
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{}
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: Dwarf(OS, A, T, "eh"), shouldEmitTable(false), shouldEmitMoves(false),
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shouldEmitTableModule(false), shouldEmitMovesModule(false),
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ExceptionTimer(0) {
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if (TimePassesIsEnabled)
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ExceptionTimer = new Timer("Dwarf Exception Writer",
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*getDwarfTimerGroup());
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}
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virtual ~DwarfException() {}
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virtual ~DwarfException() {
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delete ExceptionTimer;
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}
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/// SetModuleInfo - Set machine module information when it's known that pass
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/// manager has created it. Set by the target AsmPrinter.
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@ -4001,6 +4097,9 @@ public:
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/// EndModule - Emit all exception information that should come after the
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/// content.
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void EndModule() {
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if (TimePassesIsEnabled)
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ExceptionTimer->startTimer();
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if (shouldEmitMovesModule || shouldEmitTableModule) {
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const std::vector<Function *> Personalities = MMI->getPersonalities();
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for (unsigned i = 0; i < Personalities.size(); ++i)
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@ -4010,17 +4109,24 @@ public:
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E = EHFrames.end(); I != E; ++I)
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EmitEHFrame(*I);
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}
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if (TimePassesIsEnabled)
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ExceptionTimer->stopTimer();
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}
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/// BeginFunction - Gather pre-function exception information. Assumes being
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/// emitted immediately after the function entry point.
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void BeginFunction(MachineFunction *MF) {
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if (TimePassesIsEnabled)
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ExceptionTimer->startTimer();
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this->MF = MF;
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shouldEmitTable = shouldEmitMoves = false;
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if (MMI && TAI->doesSupportExceptionHandling()) {
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if (MMI && TAI->doesSupportExceptionHandling()) {
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// Map all labels and get rid of any dead landing pads.
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MMI->TidyLandingPads();
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// If any landing pads survive, we need an EH table.
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if (MMI->getLandingPads().size())
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shouldEmitTable = true;
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@ -4033,13 +4139,20 @@ public:
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// Assumes in correct section after the entry point.
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EmitLabel("eh_func_begin", ++SubprogramCount);
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}
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shouldEmitTableModule |= shouldEmitTable;
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shouldEmitMovesModule |= shouldEmitMoves;
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if (TimePassesIsEnabled)
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ExceptionTimer->stopTimer();
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}
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/// EndFunction - Gather and emit post-function exception information.
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///
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void EndFunction() {
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if (TimePassesIsEnabled)
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ExceptionTimer->startTimer();
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if (shouldEmitMoves || shouldEmitTable) {
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EmitLabel("eh_func_end", SubprogramCount);
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EmitExceptionTable();
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@ -4047,13 +4160,16 @@ public:
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// Save EH frame information
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EHFrames.
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push_back(FunctionEHFrameInfo(getAsm()->getCurrentFunctionEHName(MF),
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SubprogramCount,
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MMI->getPersonalityIndex(),
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MF->getFrameInfo()->hasCalls(),
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!MMI->getLandingPads().empty(),
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MMI->getFrameMoves(),
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MF->getFunction()));
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}
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SubprogramCount,
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MMI->getPersonalityIndex(),
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MF->getFrameInfo()->hasCalls(),
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!MMI->getLandingPads().empty(),
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MMI->getFrameMoves(),
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MF->getFunction()));
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}
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if (TimePassesIsEnabled)
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ExceptionTimer->stopTimer();
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}
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};
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@ -4377,15 +4493,11 @@ void DIE::dump() {
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///
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DwarfWriter::DwarfWriter()
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: ImmutablePass(&ID), DD(0), DE(0), DwarfTimer(0) {
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if (TimePassesIsEnabled)
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DwarfTimer = new Timer("Dwarf Writer", *getDwarfTimerGroup());
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}
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: ImmutablePass(&ID), DD(0), DE(0) {}
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DwarfWriter::~DwarfWriter() {
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delete DE;
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delete DD;
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delete DwarfTimer;
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delete DwarfTimerGroup; DwarfTimerGroup = 0;
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}
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@ -4395,74 +4507,42 @@ void DwarfWriter::BeginModule(Module *M,
|
||||
MachineModuleInfo *MMI,
|
||||
raw_ostream &OS, AsmPrinter *A,
|
||||
const TargetAsmInfo *T) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
DE = new DwarfException(OS, A, T);
|
||||
DD = new DwarfDebug(OS, A, T);
|
||||
DE->BeginModule(M);
|
||||
DD->BeginModule(M);
|
||||
DD->SetDebugInfo(MMI);
|
||||
DE->SetModuleInfo(MMI);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
}
|
||||
|
||||
/// EndModule - Emit all Dwarf sections that should come after the content.
|
||||
///
|
||||
void DwarfWriter::EndModule() {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
DE->EndModule();
|
||||
DD->EndModule();
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
}
|
||||
|
||||
/// BeginFunction - Gather pre-function debug information. Assumes being
|
||||
/// emitted immediately after the function entry point.
|
||||
void DwarfWriter::BeginFunction(MachineFunction *MF) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
DE->BeginFunction(MF);
|
||||
DD->BeginFunction(MF);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
}
|
||||
|
||||
/// EndFunction - Gather and emit post-function debug information.
|
||||
///
|
||||
void DwarfWriter::EndFunction(MachineFunction *MF) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
DD->EndFunction(MF);
|
||||
DE->EndFunction();
|
||||
|
||||
if (MachineModuleInfo *MMI = DD->getMMI() ? DD->getMMI() : DE->getMMI())
|
||||
// Clear function debug information.
|
||||
MMI->EndFunction();
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
}
|
||||
|
||||
/// ValidDebugInfo - Return true if V represents valid debug info value.
|
||||
bool DwarfWriter::ValidDebugInfo(Value *V) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
bool Res = DD && DD->ValidDebugInfo(V);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD && DD->ValidDebugInfo(V);
|
||||
}
|
||||
|
||||
/// RecordSourceLine - Records location information and associates it with a
|
||||
@ -4470,15 +4550,7 @@ bool DwarfWriter::ValidDebugInfo(Value *V) {
|
||||
/// correspondence to the source line list.
|
||||
unsigned DwarfWriter::RecordSourceLine(unsigned Line, unsigned Col,
|
||||
unsigned Src) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
unsigned Res = DD->RecordSourceLine(Line, Col, Src);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD->RecordSourceLine(Line, Col, Src);
|
||||
}
|
||||
|
||||
/// getOrCreateSourceID - Look up the source id with the given directory and
|
||||
@ -4487,78 +4559,32 @@ unsigned DwarfWriter::RecordSourceLine(unsigned Line, unsigned Col,
|
||||
/// as well.
|
||||
unsigned DwarfWriter::getOrCreateSourceID(const std::string &DirName,
|
||||
const std::string &FileName) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
unsigned Res = DD->getOrCreateSourceID(DirName, FileName);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD->getOrCreateSourceID(DirName, FileName);
|
||||
}
|
||||
|
||||
/// RecordRegionStart - Indicate the start of a region.
|
||||
unsigned DwarfWriter::RecordRegionStart(GlobalVariable *V) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
unsigned Res = DD->RecordRegionStart(V);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD->RecordRegionStart(V);
|
||||
}
|
||||
|
||||
/// RecordRegionEnd - Indicate the end of a region.
|
||||
unsigned DwarfWriter::RecordRegionEnd(GlobalVariable *V) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
unsigned Res = DD->RecordRegionEnd(V);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD->RecordRegionEnd(V);
|
||||
}
|
||||
|
||||
/// getRecordSourceLineCount - Count source lines.
|
||||
unsigned DwarfWriter::getRecordSourceLineCount() {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
unsigned Res = DD->getRecordSourceLineCount();
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD->getRecordSourceLineCount();
|
||||
}
|
||||
|
||||
/// RecordVariable - Indicate the declaration of a local variable.
|
||||
///
|
||||
void DwarfWriter::RecordVariable(GlobalVariable *GV, unsigned FrameIndex) {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
DD->RecordVariable(GV, FrameIndex);
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
}
|
||||
|
||||
/// ShouldEmitDwarfDebug - Returns true if Dwarf debugging declarations should
|
||||
/// be emitted.
|
||||
bool DwarfWriter::ShouldEmitDwarfDebug() const {
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->startTimer();
|
||||
|
||||
bool Res = DD->ShouldEmitDwarfDebug();
|
||||
|
||||
if (TimePassesIsEnabled)
|
||||
DwarfTimer->stopTimer();
|
||||
|
||||
return Res;
|
||||
return DD->ShouldEmitDwarfDebug();
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user