[llvm-commits] [llvm] r72191 - in /llvm/trunk: include/llvm/CodeGen/DebugLoc.h include/llvm/CodeGen/FastISel.h include/llvm/CodeGen/MachineFunction.h lib/CodeGen/AsmPrinter/AsmPrinter.cpp lib/CodeGen/DebugLoc.cpp lib/CodeGen/MachineFunction.cpp lib/CodeGen/SelectionDAG/FastISel.cpp lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
Argiris Kirtzidis
akyrtzi at gmail.com
Wed May 20 15:57:17 PDT 2009
Author: akirtzidis
Date: Wed May 20 17:57:17 2009
New Revision: 72191
URL: http://llvm.org/viewvc/llvm-project?rev=72191&view=rev
Log:
Introduce DebugScope which gets embedded into the machine instructions' DebugLoc.
DebugScope refers to a debug region, function or block.
Added:
llvm/trunk/lib/CodeGen/DebugLoc.cpp
Modified:
llvm/trunk/include/llvm/CodeGen/DebugLoc.h
llvm/trunk/include/llvm/CodeGen/FastISel.h
llvm/trunk/include/llvm/CodeGen/MachineFunction.h
llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
llvm/trunk/lib/CodeGen/MachineFunction.cpp
llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
Modified: llvm/trunk/include/llvm/CodeGen/DebugLoc.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/DebugLoc.h?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/DebugLoc.h (original)
+++ llvm/trunk/include/llvm/CodeGen/DebugLoc.h Wed May 20 17:57:17 2009
@@ -20,18 +20,77 @@
namespace llvm {
class GlobalVariable;
+ class MachineFunction;
- /// DebugLocTuple - Debug location tuple of filename id, line and column.
+ /// DebugScope - Debug scope id. This is carried into DebugLocTuple to index
+ /// into a vector of DebugScopeInfos. Provides the ability to associate a
+ /// SDNode/MachineInstr with the debug scope that it belongs to.
+ ///
+ class DebugScope {
+ unsigned Idx;
+
+ public:
+ DebugScope() : Idx(~0U) {} // Defaults to null.
+
+ static DebugScope getInvalid() { DebugScope S; S.Idx = ~0U; return S; }
+ static DebugScope get(unsigned idx) { DebugScope S; S.Idx = idx; return S; }
+
+ unsigned getIndex() const { return Idx; }
+
+ /// isInvalid - Return true if it doesn't refer to any scope.
+ bool isInvalid() const { return Idx == ~0U; }
+
+ bool operator==(const DebugScope &DS) const { return Idx == DS.Idx; }
+ bool operator!=(const DebugScope &DS) const { return !(*this == DS); }
+ };
+
+ /// DebugScopeInfo - Contains info about the scope global variable and the
+ /// parent debug scope. DebugScope is only a "cookie" that can point to a
+ /// specific DebugScopeInfo.
+ ///
+ struct DebugScopeInfo {
+ GlobalVariable *GV;
+ DebugScope Parent;
+
+ DebugScopeInfo(GlobalVariable *gv, DebugScope parent)
+ : GV(gv), Parent(parent) {}
+ DebugScopeInfo()
+ : GV(0), Parent(DebugScope::getInvalid()) {}
+ };
+
+ /// DebugScopeTracker - Create and keep track of the debug scope while
+ /// entering/exiting subprograms and blocks. Used by the instruction
+ /// selectors.
+ ///
+ class DebugScopeTracker {
+ DebugScope CurScope;
+
+ public:
+ /// getCurScope - The current debug scope that we "entered" through
+ /// EnterDebugScope.
+ DebugScope getCurScope() const { return CurScope; }
+
+ /// EnterDebugScope - Start a new debug scope. ScopeGV can be a DISubprogram
+ /// or a DIBlock.
+ void EnterDebugScope(GlobalVariable *ScopeGV, MachineFunction &MF);
+
+ /// ExitDebugScope - "Pop" a DISubprogram or a DIBlock.
+ void ExitDebugScope(GlobalVariable *ScopeGV, MachineFunction &MF);
+ };
+
+ /// DebugLocTuple - Debug location tuple of a DICompileUnit global variable,
+ /// debug scope, line and column.
///
struct DebugLocTuple {
GlobalVariable *CompileUnit;
+ DebugScope Scope;
unsigned Line, Col;
- DebugLocTuple(GlobalVariable *v, unsigned l, unsigned c)
- : CompileUnit(v), Line(l), Col(c) {};
+ DebugLocTuple(GlobalVariable *v, DebugScope s, unsigned l, unsigned c)
+ : CompileUnit(v), Scope(s), Line(l), Col(c) {};
bool operator==(const DebugLocTuple &DLT) const {
- return CompileUnit == DLT.CompileUnit &&
+ return CompileUnit == DLT.CompileUnit && Scope == DLT.Scope &&
Line == DLT.Line && Col == DLT.Col;
}
bool operator!=(const DebugLocTuple &DLT) const {
@@ -63,18 +122,20 @@
// Partially specialize DenseMapInfo for DebugLocTyple.
template<> struct DenseMapInfo<DebugLocTuple> {
static inline DebugLocTuple getEmptyKey() {
- return DebugLocTuple(0, ~0U, ~0U);
+ return DebugLocTuple(0, DebugScope::getInvalid(), ~0U, ~0U);
}
static inline DebugLocTuple getTombstoneKey() {
- return DebugLocTuple((GlobalVariable*)~1U, ~1U, ~1U);
+ return DebugLocTuple((GlobalVariable*)~1U,DebugScope::get(~1U), ~1U, ~1U);
}
static unsigned getHashValue(const DebugLocTuple &Val) {
return DenseMapInfo<GlobalVariable*>::getHashValue(Val.CompileUnit) ^
+ DenseMapInfo<unsigned>::getHashValue(Val.Scope.getIndex()) ^
DenseMapInfo<unsigned>::getHashValue(Val.Line) ^
DenseMapInfo<unsigned>::getHashValue(Val.Col);
}
static bool isEqual(const DebugLocTuple &LHS, const DebugLocTuple &RHS) {
return LHS.CompileUnit == RHS.CompileUnit &&
+ LHS.Scope == RHS.Scope &&
LHS.Line == RHS.Line &&
LHS.Col == RHS.Col;
}
Modified: llvm/trunk/include/llvm/CodeGen/FastISel.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/FastISel.h?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/FastISel.h (original)
+++ llvm/trunk/include/llvm/CodeGen/FastISel.h Wed May 20 17:57:17 2009
@@ -57,6 +57,7 @@
MachineFrameInfo &MFI;
MachineConstantPool &MCP;
DebugLoc DL;
+ DebugScopeTracker DbgScopeTrack;
const TargetMachine &TM;
const TargetData &TD;
const TargetInstrInfo &TII;
Modified: llvm/trunk/include/llvm/CodeGen/MachineFunction.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineFunction.h?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MachineFunction.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineFunction.h Wed May 20 17:57:17 2009
@@ -111,6 +111,8 @@
// Tracks debug locations.
DebugLocTracker DebugLocInfo;
+ std::vector<DebugScopeInfo> DbgScopeInfos;
+
public:
MachineFunction(const Function *Fn, const TargetMachine &TM);
~MachineFunction();
@@ -332,7 +334,7 @@
/// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
/// source file, line, and column. If none currently exists, create a new
/// DebugLocTuple, and insert it into the DebugIdMap.
- unsigned getOrCreateDebugLocID(GlobalVariable *CompileUnit,
+ unsigned getOrCreateDebugLocID(GlobalVariable *CompileUnit, DebugScope Scope,
unsigned Line, unsigned Col);
/// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.
@@ -345,6 +347,12 @@
/// setDefaultDebugLoc - Get the default debug location for the machine
/// function.
void setDefaultDebugLoc(DebugLoc DL) { DefaultDebugLoc = DL; }
+
+ /// CreateDebugScope - Create a new debug scope.
+ DebugScope CreateDebugScope(GlobalVariable *ScopeGV, DebugScope Parent);
+
+ /// getDebugScopeInfo - Get the DebugScopeInfo for a given DebugScope object.
+ const DebugScopeInfo &getDebugScopeInfo(DebugScope DS) const;
};
//===--------------------------------------------------------------------===//
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Wed May 20 17:57:17 2009
@@ -1311,7 +1311,7 @@
void AsmPrinter::processDebugLoc(DebugLoc DL) {
if (TAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) {
if (!DL.isUnknown()) {
- static DebugLocTuple PrevDLT(0, ~0U, ~0U);
+ static DebugLocTuple PrevDLT(0, DebugScope::getInvalid(), ~0U, ~0U);
DebugLocTuple CurDLT = MF->getDebugLocTuple(DL);
if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT)
Added: llvm/trunk/lib/CodeGen/DebugLoc.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/DebugLoc.cpp?rev=72191&view=auto
==============================================================================
--- llvm/trunk/lib/CodeGen/DebugLoc.cpp (added)
+++ llvm/trunk/lib/CodeGen/DebugLoc.cpp Wed May 20 17:57:17 2009
@@ -0,0 +1,38 @@
+//===-- DebugLoc.cpp ------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implementation for DebugScopeTracker.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/DebugLoc.h"
+#include "llvm/CodeGen/MachineFunction.h"
+using namespace llvm;
+
+/// EnterDebugScope - Start a new debug scope. ScopeGV can be a DISubprogram
+/// or a DIBlock.
+void DebugScopeTracker::EnterDebugScope(GlobalVariable *ScopeGV,
+ MachineFunction &MF) {
+ assert(ScopeGV && "GlobalVariable for scope is null!");
+ CurScope = MF.CreateDebugScope(ScopeGV, CurScope);
+}
+
+/// ExitDebugScope - "Pop" a DISubprogram or a DIBlock.
+void DebugScopeTracker::ExitDebugScope(GlobalVariable *ScopeGV,
+ MachineFunction &MF) {
+ assert(ScopeGV && "GlobalVariable for scope is null!");
+ assert(!CurScope.isInvalid() && "Mismatched region.end ?");
+ // We may have skipped a region.end because it was in an unreachable block.
+ // Go up the scope chain until we reach the scope that ScopeGV points to.
+ DebugScopeInfo DSI;
+ do {
+ DSI = MF.getDebugScopeInfo(CurScope);
+ CurScope = DSI.Parent;
+ } while (!DSI.Parent.isInvalid() && DSI.GV != ScopeGV);
+}
Modified: llvm/trunk/lib/CodeGen/MachineFunction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineFunction.cpp?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineFunction.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineFunction.cpp Wed May 20 17:57:17 2009
@@ -403,8 +403,9 @@
/// source file, line, and column. If none currently exists, create a new
/// DebugLocTuple, and insert it into the DebugIdMap.
unsigned MachineFunction::getOrCreateDebugLocID(GlobalVariable *CompileUnit,
+ DebugScope Scope,
unsigned Line, unsigned Col) {
- DebugLocTuple Tuple(CompileUnit, Line, Col);
+ DebugLocTuple Tuple(CompileUnit, Scope, Line, Col);
DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
if (II != DebugLocInfo.DebugIdMap.end())
@@ -424,6 +425,21 @@
return DebugLocInfo.DebugLocations[Idx];
}
+/// CreateDebugScope - Create a new debug scope.
+DebugScope MachineFunction::CreateDebugScope(GlobalVariable *ScopeGV,
+ DebugScope Parent) {
+ DbgScopeInfos.push_back(DebugScopeInfo(ScopeGV, Parent));
+ return DebugScope::get(DbgScopeInfos.size() - 1);
+}
+
+/// getDebugScopeInfo - Get the DebugScopeInfo for a given DebugScope object.
+const DebugScopeInfo &MachineFunction::getDebugScopeInfo(DebugScope DS) const {
+ unsigned Idx = DS.getIndex();
+ assert(Idx < DbgScopeInfos.size() && "Invalid index into debug scopes!");
+ return DbgScopeInfos[Idx];
+}
+
+
//===----------------------------------------------------------------------===//
// MachineFrameInfo implementation
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Wed May 20 17:57:17 2009
@@ -331,17 +331,22 @@
DICompileUnit CU(cast<GlobalVariable>(SPI->getContext()));
unsigned Line = SPI->getLine();
unsigned Col = SPI->getColumn();
- unsigned Idx = MF.getOrCreateDebugLocID(CU.getGV(), Line, Col);
+ unsigned Idx = MF.getOrCreateDebugLocID(CU.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, Col);
setCurDebugLoc(DebugLoc::get(Idx));
}
return true;
}
case Intrinsic::dbg_region_start: {
DbgRegionStartInst *RSI = cast<DbgRegionStartInst>(I);
- if (DIDescriptor::ValidDebugInfo(RSI->getContext(), CodeGenOpt::None) &&
- DW && DW->ShouldEmitDwarfDebug()) {
- unsigned ID =
- DW->RecordRegionStart(cast<GlobalVariable>(RSI->getContext()));
+ if (!DIDescriptor::ValidDebugInfo(RSI->getContext(), CodeGenOpt::None))
+ return true;
+
+ GlobalVariable *Rgn = cast<GlobalVariable>(RSI->getContext());
+ DbgScopeTrack.EnterDebugScope(Rgn, MF);
+ if (DW && DW->ShouldEmitDwarfDebug()) {
+ unsigned ID = DW->RecordRegionStart(Rgn);
const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
BuildMI(MBB, DL, II).addImm(ID);
}
@@ -349,10 +354,14 @@
}
case Intrinsic::dbg_region_end: {
DbgRegionEndInst *REI = cast<DbgRegionEndInst>(I);
- if (DIDescriptor::ValidDebugInfo(REI->getContext(), CodeGenOpt::None) &&
- DW && DW->ShouldEmitDwarfDebug()) {
+ if (!DIDescriptor::ValidDebugInfo(REI->getContext(), CodeGenOpt::None))
+ return true;
+
+ GlobalVariable *Rgn = cast<GlobalVariable>(REI->getContext());
+ DbgScopeTrack.ExitDebugScope(Rgn, MF);
+ if (DW && DW->ShouldEmitDwarfDebug()) {
unsigned ID = 0;
- DISubprogram Subprogram(cast<GlobalVariable>(REI->getContext()));
+ DISubprogram Subprogram(Rgn);
if (!Subprogram.isNull() && !Subprogram.describes(MF.getFunction())) {
// This is end of an inlined function.
const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
@@ -382,6 +391,7 @@
DebugLoc PrevLoc = DL;
DISubprogram Subprogram(cast<GlobalVariable>(SP));
DICompileUnit CompileUnit = Subprogram.getCompileUnit();
+ DbgScopeTrack.EnterDebugScope(Subprogram.getGV(), MF);
if (!Subprogram.describes(MF.getFunction())) {
// This is a beginning of an inlined function.
@@ -393,8 +403,10 @@
return true;
// Record the source line.
unsigned Line = Subprogram.getLineNumber();
- setCurDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(
- CompileUnit.getGV(), Line, 0)));
+ setCurDebugLoc(
+ DebugLoc::get(MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
if (DW && DW->ShouldEmitDwarfDebug()) {
DebugLocTuple PrevLocTpl = MF.getDebugLocTuple(PrevLoc);
@@ -408,8 +420,10 @@
} else {
// Record the source line.
unsigned Line = Subprogram.getLineNumber();
- MF.setDefaultDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(
- CompileUnit.getGV(), Line, 0)));
+ MF.setDefaultDebugLoc(
+ DebugLoc::get(MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
if (DW && DW->ShouldEmitDwarfDebug()) {
// llvm.dbg.func_start also defines beginning of function scope.
DW->RecordRegionStart(cast<GlobalVariable>(FSI->getSubprogram()));
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp Wed May 20 17:57:17 2009
@@ -312,6 +312,17 @@
!StaticAllocaMap.count(cast<AllocaInst>(I)))
InitializeRegForValue(I);
+ // FIXME: PHI instructions currently get an invalid scope. This is because
+ // tracking of debug scopes is done through a simple mechanism where
+ // "entering" a scope implies that the scope is entered for the first time.
+ // If we keep track of debug scopes for the following loop, the PHI
+ // instructions would get scopes that will not be used again later by the
+ // instruction selectors.
+ // Either provide a mechanism to re-enter a previously created scope or wait
+ // for when the DebugLoc is retrieved from Instruction, in which case the
+ // current debug scope tracking mechanism will be obsolete.
+ DebugScope DbgScope;
+
// Create an initial MachineBasicBlock for each LLVM BasicBlock in F. This
// also creates the initial PHI MachineInstrs, though none of the input
// operands are populated.
@@ -337,6 +348,7 @@
CodeGenOpt::Default)) {
DICompileUnit CU(cast<GlobalVariable>(SPI->getContext()));
unsigned idx = MF->getOrCreateDebugLocID(CU.getGV(),
+ DbgScope,
SPI->getLine(),
SPI->getColumn());
DL = DebugLoc::get(idx);
@@ -352,7 +364,7 @@
DISubprogram Subprogram(cast<GlobalVariable>(SP));
DICompileUnit CU(Subprogram.getCompileUnit());
unsigned Line = Subprogram.getLineNumber();
- DL = DebugLoc::get(MF->getOrCreateDebugLocID(CU.getGV(),
+ DL = DebugLoc::get(MF->getOrCreateDebugLocID(CU.getGV(), DbgScope,
Line, 0));
}
@@ -3909,7 +3921,9 @@
MachineFunction &MF = DAG.getMachineFunction();
DICompileUnit CU(cast<GlobalVariable>(SPI.getContext()));
DebugLoc Loc = DebugLoc::get(MF.getOrCreateDebugLocID(CU.getGV(),
- SPI.getLine(), SPI.getColumn()));
+ DbgScopeTrack.getCurScope(),
+ SPI.getLine(),
+ SPI.getColumn()));
setCurDebugLoc(Loc);
if (OptLevel == CodeGenOpt::None)
@@ -3923,11 +3937,14 @@
case Intrinsic::dbg_region_start: {
DwarfWriter *DW = DAG.getDwarfWriter();
DbgRegionStartInst &RSI = cast<DbgRegionStartInst>(I);
+ if (!DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLevel))
+ return 0;
- if (DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLevel) &&
- DW && DW->ShouldEmitDwarfDebug()) {
- unsigned LabelID =
- DW->RecordRegionStart(cast<GlobalVariable>(RSI.getContext()));
+ MachineFunction &MF = DAG.getMachineFunction();
+ GlobalVariable *Rgn = cast<GlobalVariable>(RSI.getContext());
+ DbgScopeTrack.EnterDebugScope(Rgn, MF);
+ if (DW && DW->ShouldEmitDwarfDebug()) {
+ unsigned LabelID = DW->RecordRegionStart(Rgn);
DAG.setRoot(DAG.getLabel(ISD::DBG_LABEL, getCurDebugLoc(),
getRoot(), LabelID));
}
@@ -3937,11 +3954,14 @@
case Intrinsic::dbg_region_end: {
DwarfWriter *DW = DAG.getDwarfWriter();
DbgRegionEndInst &REI = cast<DbgRegionEndInst>(I);
+ if (!DIDescriptor::ValidDebugInfo(REI.getContext(), OptLevel))
+ return 0;
- if (DIDescriptor::ValidDebugInfo(REI.getContext(), OptLevel) &&
- DW && DW->ShouldEmitDwarfDebug()) {
- MachineFunction &MF = DAG.getMachineFunction();
- DISubprogram Subprogram(cast<GlobalVariable>(REI.getContext()));
+ MachineFunction &MF = DAG.getMachineFunction();
+ GlobalVariable *Rgn = cast<GlobalVariable>(REI.getContext());
+ DbgScopeTrack.ExitDebugScope(Rgn, MF);
+ if (DW && DW->ShouldEmitDwarfDebug()) {
+ DISubprogram Subprogram(Rgn);
if (Subprogram.isNull() || Subprogram.describes(MF.getFunction())) {
unsigned LabelID =
@@ -3974,6 +3994,7 @@
return 0;
MachineFunction &MF = DAG.getMachineFunction();
+ DbgScopeTrack.EnterDebugScope(cast<GlobalVariable>(SP), MF);
if (OptLevel == CodeGenOpt::None) {
// llvm.dbg.func.start implicitly defines a dbg_stoppoint which is what
// (most?) gdb expects.
@@ -3993,7 +4014,9 @@
// Record the source line.
unsigned Line = Subprogram.getLineNumber();
setCurDebugLoc(DebugLoc::get(
- MF.getOrCreateDebugLocID(CompileUnit.getGV(), Line, 0)));
+ MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
if (DW && DW->ShouldEmitDwarfDebug()) {
DebugLocTuple PrevLocTpl = MF.getDebugLocTuple(PrevLoc);
@@ -4008,7 +4031,9 @@
// Record the source line.
unsigned Line = Subprogram.getLineNumber();
MF.setDefaultDebugLoc(DebugLoc::get(
- MF.getOrCreateDebugLocID(CompileUnit.getGV(), Line, 0)));
+ MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
if (DW && DW->ShouldEmitDwarfDebug()) {
// llvm.dbg.func_start also defines beginning of function scope.
DW->RecordRegionStart(cast<GlobalVariable>(FSI.getSubprogram()));
@@ -4035,7 +4060,9 @@
// create a label if this is a beginning of inlined function.
unsigned Line = Subprogram.getLineNumber();
setCurDebugLoc(DebugLoc::get(
- MF.getOrCreateDebugLocID(CompileUnit.getGV(), Line, 0)));
+ MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
// FIXME - Start new region because llvm.dbg.func_start also defines
// beginning of function scope.
}
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h?rev=72191&r1=72190&r2=72191&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h Wed May 20 17:57:17 2009
@@ -169,6 +169,8 @@
/// CurDebugLoc - current file + line number. Changes as we build the DAG.
DebugLoc CurDebugLoc;
+ DebugScopeTracker DbgScopeTrack;
+
DenseMap<const Value*, SDValue> NodeMap;
/// PendingLoads - Loads are not emitted to the program immediately. We bunch
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