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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp27
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp132
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h8
3 files changed, 24 insertions, 143 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index bc3f27cf2a2..01f15e52e88 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1672,33 +1672,6 @@ DIE *CompileUnit::createMemberDIE(DIDerivedType DT) {
if (DT.isArtificial())
addFlag(MemberDie, dwarf::DW_AT_artificial);
- // This is only for backward compatibility.
- StringRef PropertyName = DT.getObjCPropertyName();
- if (!PropertyName.empty()) {
- addString(MemberDie, dwarf::DW_AT_APPLE_property_name, PropertyName);
- StringRef GetterName = DT.getObjCPropertyGetterName();
- if (!GetterName.empty())
- addString(MemberDie, dwarf::DW_AT_APPLE_property_getter, GetterName);
- StringRef SetterName = DT.getObjCPropertySetterName();
- if (!SetterName.empty())
- addString(MemberDie, dwarf::DW_AT_APPLE_property_setter, SetterName);
- unsigned PropertyAttributes = 0;
- if (DT.isReadOnlyObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readonly;
- if (DT.isReadWriteObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readwrite;
- if (DT.isAssignObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_assign;
- if (DT.isRetainObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_retain;
- if (DT.isCopyObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_copy;
- if (DT.isNonAtomicObjCProperty())
- PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
- if (PropertyAttributes)
- addUInt(MemberDie, dwarf::DW_AT_APPLE_property_attribute, 0,
- PropertyAttributes);
- }
return MemberDie;
}
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index bc0e84b0f17..30bfa789896 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -756,82 +756,6 @@ void DwarfDebug::constructSubprogramDIE(CompileUnit *TheCU,
TheCU->addGlobalName(SP.getName(), SubprogramDie);
}
-// Collect debug info from named mdnodes such as llvm.dbg.enum and llvm.dbg.ty.
-void DwarfDebug::collectInfoFromNamedMDNodes(const Module *M) {
- if (NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.sp"))
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
- const MDNode *N = NMD->getOperand(i);
- if (CompileUnit *CU = CUMap.lookup(DISubprogram(N).getCompileUnit()))
- constructSubprogramDIE(CU, N);
- }
-
- if (NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv"))
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
- const MDNode *N = NMD->getOperand(i);
- if (CompileUnit *CU = CUMap.lookup(DIGlobalVariable(N).getCompileUnit()))
- CU->createGlobalVariableDIE(N);
- }
-
- if (NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.enum"))
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
- DIType Ty(NMD->getOperand(i));
- if (CompileUnit *CU = CUMap.lookup(Ty.getCompileUnit()))
- CU->getOrCreateTypeDIE(Ty);
- }
-
- if (NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.ty"))
- for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
- DIType Ty(NMD->getOperand(i));
- if (CompileUnit *CU = CUMap.lookup(Ty.getCompileUnit()))
- CU->getOrCreateTypeDIE(Ty);
- }
-}
-
-// Collect debug info using DebugInfoFinder.
-// FIXME - Remove this when dragonegg switches to DIBuilder.
-bool DwarfDebug::collectLegacyDebugInfo(const Module *M) {
- DebugInfoFinder DbgFinder;
- DbgFinder.processModule(*M);
-
- bool HasDebugInfo = false;
- // Scan all the compile-units to see if there are any marked as the main
- // unit. If not, we do not generate debug info.
- for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(),
- E = DbgFinder.compile_unit_end(); I != E; ++I) {
- if (DICompileUnit(*I).isMain()) {
- HasDebugInfo = true;
- break;
- }
- }
- if (!HasDebugInfo) return false;
-
- // Emit initial sections so we can refer to them later.
- emitSectionLabels();
-
- // Create all the compile unit DIEs.
- for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(),
- E = DbgFinder.compile_unit_end(); I != E; ++I)
- constructCompileUnit(*I);
-
- // Create DIEs for each global variable.
- for (DebugInfoFinder::iterator I = DbgFinder.global_variable_begin(),
- E = DbgFinder.global_variable_end(); I != E; ++I) {
- const MDNode *N = *I;
- if (CompileUnit *CU = CUMap.lookup(DIGlobalVariable(N).getCompileUnit()))
- CU->createGlobalVariableDIE(N);
- }
-
- // Create DIEs for each subprogram.
- for (DebugInfoFinder::iterator I = DbgFinder.subprogram_begin(),
- E = DbgFinder.subprogram_end(); I != E; ++I) {
- const MDNode *N = *I;
- if (CompileUnit *CU = CUMap.lookup(DISubprogram(N).getCompileUnit()))
- constructSubprogramDIE(CU, N);
- }
-
- return HasDebugInfo;
-}
-
// Emit all Dwarf sections that should come prior to the content. Create
// global DIEs and emit initial debug info sections. This is invoked by
// the target AsmPrinter.
@@ -844,30 +768,28 @@ void DwarfDebug::beginModule() {
// If module has named metadata anchors then use them, otherwise scan the
// module using debug info finder to collect debug info.
NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu");
- if (CU_Nodes) {
- // Emit initial sections so we can reference labels later.
- emitSectionLabels();
-
- for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
- DICompileUnit CUNode(CU_Nodes->getOperand(i));
- CompileUnit *CU = constructCompileUnit(CUNode);
- DIArray GVs = CUNode.getGlobalVariables();
- for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i)
- CU->createGlobalVariableDIE(GVs.getElement(i));
- DIArray SPs = CUNode.getSubprograms();
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i)
- constructSubprogramDIE(CU, SPs.getElement(i));
- DIArray EnumTypes = CUNode.getEnumTypes();
- for (unsigned i = 0, e = EnumTypes.getNumElements(); i != e; ++i)
- CU->getOrCreateTypeDIE(EnumTypes.getElement(i));
- DIArray RetainedTypes = CUNode.getRetainedTypes();
- for (unsigned i = 0, e = RetainedTypes.getNumElements(); i != e; ++i)
- CU->getOrCreateTypeDIE(RetainedTypes.getElement(i));
- }
- } else if (!collectLegacyDebugInfo(M))
+ if (!CU_Nodes)
return;
- collectInfoFromNamedMDNodes(M);
+ // Emit initial sections so we can reference labels later.
+ emitSectionLabels();
+
+ for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
+ DICompileUnit CUNode(CU_Nodes->getOperand(i));
+ CompileUnit *CU = constructCompileUnit(CUNode);
+ DIArray GVs = CUNode.getGlobalVariables();
+ for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i)
+ CU->createGlobalVariableDIE(GVs.getElement(i));
+ DIArray SPs = CUNode.getSubprograms();
+ for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i)
+ constructSubprogramDIE(CU, SPs.getElement(i));
+ DIArray EnumTypes = CUNode.getEnumTypes();
+ for (unsigned i = 0, e = EnumTypes.getNumElements(); i != e; ++i)
+ CU->getOrCreateTypeDIE(EnumTypes.getElement(i));
+ DIArray RetainedTypes = CUNode.getRetainedTypes();
+ for (unsigned i = 0, e = RetainedTypes.getNumElements(); i != e; ++i)
+ CU->getOrCreateTypeDIE(RetainedTypes.getElement(i));
+ }
// Tell MMI that we have debug info.
MMI->setDebugInfoAvailability(true);
@@ -1211,16 +1133,10 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF,
if (DV.getTag() == dwarf::DW_TAG_arg_variable &&
DISubprogram(DV.getContext()).describes(MF->getFunction()))
Scope = LScopes.getCurrentFunctionScope();
- else {
- if (DV.getVersion() <= LLVMDebugVersion9)
- Scope = LScopes.findLexicalScope(MInsn->getDebugLoc());
- else {
- if (MDNode *IA = DV.getInlinedAt())
- Scope = LScopes.findInlinedScope(DebugLoc::getFromDILocation(IA));
- else
- Scope = LScopes.findLexicalScope(cast<MDNode>(DV->getOperand(1)));
- }
- }
+ else if (MDNode *IA = DV.getInlinedAt())
+ Scope = LScopes.findInlinedScope(DebugLoc::getFromDILocation(IA));
+ else
+ Scope = LScopes.findLexicalScope(cast<MDNode>(DV->getOperand(1)));
// If variable scope is not found then skip this variable.
if (!Scope)
continue;
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 8cb30495aaf..771bc362cb2 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -598,14 +598,6 @@ public:
DwarfDebug(AsmPrinter *A, Module *M);
~DwarfDebug();
- /// \brief Collect debug info from named mdnodes such as llvm.dbg.enum
- /// and llvm.dbg.ty
- void collectInfoFromNamedMDNodes(const Module *M);
-
- /// \brief Collect debug info using DebugInfoFinder.
- /// FIXME - Remove this when DragonEgg switches to DIBuilder.
- bool collectLegacyDebugInfo(const Module *M);
-
/// \brief Emit all Dwarf sections that should come prior to the
/// content.
void beginModule();
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