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-rw-r--r--lib/CodeGen/AsmPrinter/DwarfDebug.cpp14
-rw-r--r--lib/CodeGen/AsmPrinter/DwarfException.cpp30
2 files changed, 17 insertions, 27 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 2914851..d50e5e3 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -923,7 +923,7 @@ void DwarfDebug::ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
AddType(DW_Unit, &Buffer, FromTy);
// Add name if not anonymous or intermediate type.
- if (Name)
+ if (Name && Tag != dwarf::DW_TAG_pointer_type)
AddString(&Buffer, dwarf::DW_AT_name, dwarf::DW_FORM_string, Name);
// Add size if non-zero (derived types might be zero-sized.)
@@ -1811,10 +1811,18 @@ void DwarfDebug::CollectVariableInfo() {
DIVariable DV (Var);
if (DV.isNull()) continue;
unsigned VSlot = VI->second;
+ DbgScope *Scope = NULL;
DenseMap<MDNode *, DbgScope *>::iterator DSI =
DbgScopeMap.find(DV.getContext().getNode());
- assert (DSI != DbgScopeMap.end() && "Unable to find variable scope!");
- DbgScope *Scope = DSI->second;
+ if (DSI != DbgScopeMap.end())
+ Scope = DSI->second;
+ else
+ // There is not any instruction assocated with this scope, so get
+ // a new scope.
+ Scope = getDbgScope(DV.getContext().getNode(),
+ NULL /* Not an instruction */,
+ NULL /* Not inlined */);
+ assert (Scope && "Unable to find variable scope!");
Scope->AddVariable(new DbgVariable(DV, VSlot, false));
}
}
diff --git a/lib/CodeGen/AsmPrinter/DwarfException.cpp b/lib/CodeGen/AsmPrinter/DwarfException.cpp
index 626523b..6c03b55 100644
--- a/lib/CodeGen/AsmPrinter/DwarfException.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfException.cpp
@@ -871,28 +871,7 @@ void DwarfException::EmitExceptionTable() {
Asm->EOL("Next action");
}
- // Emit the Catch Clauses. The code for the catch clauses following the same
- // try is similar to a switch statement. The catch clause action record
- // informs the runtime about the type of a catch clause and about the
- // associated switch value.
- //
- // Action Record Fields:
- //
- // * Filter Value
- // Positive value, starting at 1. Index in the types table of the
- // __typeinfo for the catch-clause type. 1 is the first word preceding
- // TTBase, 2 is the second word, and so on. Used by the runtime to check
- // if the thrown exception type matches the catch-clause type. Back-end
- // generated switch statements check against this value.
- //
- // * Next
- // Signed offset, in bytes from the start of this field, to the next
- // chained action record, or zero if none.
- //
- // The order of the action records determined by the next field is the order
- // of the catch clauses as they appear in the source code, and must be kept in
- // the same order. As a result, changing the order of the catch clause would
- // change the semantics of the program.
+ // Emit the Catch TypeInfos.
for (std::vector<GlobalVariable *>::const_reverse_iterator
I = TypeInfos.rbegin(), E = TypeInfos.rend(); I != E; ++I) {
const GlobalVariable *GV = *I;
@@ -907,12 +886,15 @@ void DwarfException::EmitExceptionTable() {
Asm->EOL("TypeInfo");
}
- // Emit the Type Table.
+ // Emit the Exception Specifications.
for (std::vector<unsigned>::const_iterator
I = FilterIds.begin(), E = FilterIds.end(); I < E; ++I) {
unsigned TypeID = *I;
Asm->EmitULEB128Bytes(TypeID);
- Asm->EOL("Filter TypeInfo index");
+ if (TypeID != 0)
+ Asm->EOL("Exception specification");
+ else
+ Asm->EOL();
}
Asm->EmitAlignment(2, 0, 0, false);
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