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change DbgScope to keep track of the start/end label as MCSymbol*
now that the dependence on ID is removed from MMI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98034 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -16,9 +16,10 @@
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#include "llvm/Module.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineModuleInfo.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCSection.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/Target/Mangler.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/Target/TargetFrameInfo.h"
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@ -171,8 +172,8 @@ class DbgScope {
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// Location at which this scope is inlined.
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AssertingVH<MDNode> InlinedAtLocation;
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bool AbstractScope; // Abstract Scope
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unsigned StartLabelID; // Label ID of the beginning of scope.
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unsigned EndLabelID; // Label ID of the end of scope.
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MCSymbol *StartLabel; // Label ID of the beginning of scope.
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MCSymbol *EndLabel; // Label ID of the end of scope.
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const MachineInstr *LastInsn; // Last instruction of this scope.
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const MachineInstr *FirstInsn; // First instruction of this scope.
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SmallVector<DbgScope *, 4> Scopes; // Scopes defined in scope.
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@ -183,7 +184,7 @@ class DbgScope {
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public:
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DbgScope(DbgScope *P, DIDescriptor D, MDNode *I = 0)
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: Parent(P), Desc(D), InlinedAtLocation(I), AbstractScope(false),
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StartLabelID(0), EndLabelID(0),
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StartLabel(0), EndLabel(0),
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LastInsn(0), FirstInsn(0), IndentLevel(0) {}
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virtual ~DbgScope();
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@ -195,12 +196,12 @@ public:
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return InlinedAtLocation;
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}
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MDNode *getScopeNode() const { return Desc.getNode(); }
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unsigned getStartLabelID() const { return StartLabelID; }
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unsigned getEndLabelID() const { return EndLabelID; }
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MCSymbol *getStartLabel() const { return StartLabel; }
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MCSymbol *getEndLabel() const { return EndLabel; }
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SmallVector<DbgScope *, 4> &getScopes() { return Scopes; }
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SmallVector<DbgVariable *, 8> &getVariables() { return Variables; }
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void setStartLabelID(unsigned S) { StartLabelID = S; }
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void setEndLabelID(unsigned E) { EndLabelID = E; }
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void setStartLabel(MCSymbol *S) { StartLabel = S; }
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void setEndLabel(MCSymbol *E) { EndLabel = E; }
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void setLastInsn(const MachineInstr *MI) { LastInsn = MI; }
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const MachineInstr *getLastInsn() { return LastInsn; }
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void setFirstInsn(const MachineInstr *MI) { FirstInsn = MI; }
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@ -264,7 +265,7 @@ void DbgScope::dump() const {
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err.indent(IndentLevel);
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MDNode *N = Desc.getNode();
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N->dump();
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err << " [" << StartLabelID << ", " << EndLabelID << "]\n";
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err << " [" << StartLabel << ", " << EndLabel << "]\n";
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if (AbstractScope)
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err << "Abstract Scope\n";
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@ -1362,24 +1363,20 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(MDNode *SPNode) {
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/// constructLexicalScope - Construct new DW_TAG_lexical_block
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/// for this scope and attach DW_AT_low_pc/DW_AT_high_pc labels.
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DIE *DwarfDebug::constructLexicalScopeDIE(DbgScope *Scope) {
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unsigned StartID = Scope->getStartLabelID();
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unsigned EndID = Scope->getEndLabelID();
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MCSymbol *Start = Scope->getStartLabel();
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MCSymbol *End = Scope->getEndLabel();
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assert(!MMI->isLabelDeleted(StartID) &&
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"Invalid starting label for an inlined scope!");
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assert(!MMI->isLabelDeleted(EndID) &&
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"Invalid end label for an inlined scope!");
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assert(Start->isDefined() && "Invalid starting label for an inlined scope!");
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assert(End->isDefined() && "Invalid end label for an inlined scope!");
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DIE *ScopeDIE = new DIE(dwarf::DW_TAG_lexical_block);
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if (Scope->isAbstractScope())
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return ScopeDIE;
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addLabel(ScopeDIE, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr,
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StartID ? getDWLabel("label", StartID)
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: getDWLabel("func_begin", SubprogramCount));
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Start ? Start : getDWLabel("func_begin", SubprogramCount));
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addLabel(ScopeDIE, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr,
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EndID ? getDWLabel("label", EndID)
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: getDWLabel("func_end", SubprogramCount));
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End ? End : getDWLabel("func_end", SubprogramCount));
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return ScopeDIE;
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}
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@ -1388,11 +1385,11 @@ DIE *DwarfDebug::constructLexicalScopeDIE(DbgScope *Scope) {
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/// a function. Construct DIE to represent this concrete inlined copy
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/// of the function.
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DIE *DwarfDebug::constructInlinedScopeDIE(DbgScope *Scope) {
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unsigned StartID = Scope->getStartLabelID();
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unsigned EndID = Scope->getEndLabelID();
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assert(!MMI->isLabelDeleted(StartID) &&
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MCSymbol *StartLabel = Scope->getStartLabel();
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MCSymbol *EndLabel = Scope->getEndLabel();
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assert(StartLabel->isDefined() &&
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"Invalid starting label for an inlined scope!");
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assert(!MMI->isLabelDeleted(EndID) &&
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assert(EndLabel->isDefined() &&
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"Invalid end label for an inlined scope!");
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if (!Scope->getScopeNode())
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return NULL;
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@ -1405,11 +1402,8 @@ DIE *DwarfDebug::constructInlinedScopeDIE(DbgScope *Scope) {
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addDIEEntry(ScopeDIE, dwarf::DW_AT_abstract_origin,
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dwarf::DW_FORM_ref4, OriginDIE);
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MCSymbol *StartLabel = getDWLabel("label", StartID);
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addLabel(ScopeDIE, dwarf::DW_AT_low_pc, dwarf::DW_FORM_addr, StartLabel);
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addLabel(ScopeDIE, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr,
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getDWLabel("label", EndID));
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addLabel(ScopeDIE, dwarf::DW_AT_high_pc, dwarf::DW_FORM_addr, EndLabel);
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InlinedSubprogramDIEs.insert(OriginDIE);
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@ -1961,7 +1955,7 @@ void DwarfDebug::beginScope(const MachineInstr *MI, unsigned Label) {
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ScopeVector &SD = I->second;
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for (ScopeVector::iterator SDI = SD.begin(), SDE = SD.end();
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SDI != SDE; ++SDI)
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(*SDI)->setStartLabelID(Label);
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(*SDI)->setStartLabel(getDWLabel("label", Label));
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}
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/// endScope - Process end of a scope.
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@ -1970,13 +1964,13 @@ void DwarfDebug::endScope(const MachineInstr *MI) {
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if (I == DbgScopeEndMap.end())
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return;
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unsigned Label = MMI->NextLabelID();
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Asm->printLabel(Label);
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MCSymbol *Label = getDWLabel("label", MMI->NextLabelID());
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Asm->OutStreamer.EmitLabel(Label);
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SmallVector<DbgScope *, 2> &SD = I->second;
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SmallVector<DbgScope*, 2> &SD = I->second;
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for (SmallVector<DbgScope *, 2>::iterator SDI = SD.begin(), SDE = SD.end();
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SDI != SDE; ++SDI)
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(*SDI)->setEndLabelID(Label);
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(*SDI)->setEndLabel(Label);
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return;
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}
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@ -2120,16 +2114,17 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
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DebugLoc FDL = MF->getDefaultDebugLoc();
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if (!FDL.isUnknown()) {
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DILocation DLT = MF->getDILocation(FDL);
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unsigned LabelID = 0;
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DISubprogram SP = getDISubprogram(DLT.getScope().getNode());
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if (SP.Verify())
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LabelID = recordSourceLine(SP.getLineNumber(), 0,
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DLT.getScope().getNode());
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else
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LabelID = recordSourceLine(DLT.getLineNumber(),
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DLT.getColumnNumber(),
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DLT.getScope().getNode());
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Asm->printLabel(LabelID);
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unsigned Line, Col;
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if (SP.Verify()) {
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Line = SP.getLineNumber();
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Col = 0;
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} else {
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Line = DLT.getLineNumber();
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Col = DLT.getColumnNumber();
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}
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Asm->printLabel(recordSourceLine(Line, Col, DLT.getScope().getNode()));
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}
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if (TimePassesIsEnabled)
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DebugTimer->stopTimer();
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