Add const, volatile, restrict support.
Add array of debug descriptor support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26428 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/MachineDebugInfo.h b/include/llvm/CodeGen/MachineDebugInfo.h
index b51ea64..5cbd93a 100644
--- a/include/llvm/CodeGen/MachineDebugInfo.h
+++ b/include/llvm/CodeGen/MachineDebugInfo.h
@@ -66,7 +66,10 @@
DI_TAG_basictype,
DI_TAG_typedef,
DI_TAG_pointer,
- DI_TAG_reference
+ DI_TAG_reference,
+ DI_TAG_const,
+ DI_TAG_volatile,
+ DI_TAG_restrict
};
//===----------------------------------------------------------------------===//
@@ -90,6 +93,7 @@
virtual void Apply(std::string &Field) = 0;
virtual void Apply(DebugInfoDesc *&Field) = 0;
virtual void Apply(GlobalVariable *&Field) = 0;
+ virtual void Apply(std::vector<DebugInfoDesc *> &Field) = 0;
};
//===----------------------------------------------------------------------===//
@@ -148,7 +152,6 @@
#endif
};
-
//===----------------------------------------------------------------------===//
/// AnchorDesc - Descriptors of this class act as markers for identifying
/// descriptors of certain groups.
@@ -371,7 +374,16 @@
static bool classof(const DerivedTypeDesc *) { return true; }
static bool classof(const DebugInfoDesc *D) {
unsigned T = D->getTag();
- return T == DI_TAG_typedef || T == DI_TAG_pointer || T == DI_TAG_reference;
+ switch (T) {
+ case DI_TAG_typedef:
+ case DI_TAG_pointer:
+ case DI_TAG_reference:
+ case DI_TAG_const:
+ case DI_TAG_volatile:
+ case DI_TAG_restrict:
+ return true;
+ default: return false;
+ }
}
/// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc.
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index d08e777..41e539b 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -1075,6 +1075,9 @@
case DI_TAG_typedef: T = DW_TAG_typedef; break;
case DI_TAG_pointer: T = DW_TAG_pointer_type; break;
case DI_TAG_reference: T = DW_TAG_reference_type; break;
+ case DI_TAG_const: T = DW_TAG_const_type; break;
+ case DI_TAG_volatile: T = DW_TAG_volatile_type; break;
+ case DI_TAG_restrict: T = DW_TAG_restrict_type; break;
default: assert( 0 && "Unknown tag on derived type");
}
diff --git a/lib/CodeGen/MachineDebugInfo.cpp b/lib/CodeGen/MachineDebugInfo.cpp
index 72da0a0..e4702ed 100644
--- a/lib/CodeGen/MachineDebugInfo.cpp
+++ b/lib/CodeGen/MachineDebugInfo.cpp
@@ -202,6 +202,9 @@
virtual void Apply(std::string &Field) { ++Count; }
virtual void Apply(DebugInfoDesc *&Field) { ++Count; }
virtual void Apply(GlobalVariable *&Field) { ++Count; }
+ virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
+ ++Count;
+ }
};
//===----------------------------------------------------------------------===//
@@ -251,6 +254,17 @@
Constant *C = CI->getOperand(I++);
Field = getGlobalVariable(C);
}
+ virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
+ Constant *C = CI->getOperand(I++);
+ GlobalVariable *GV = getGlobalVariable(C);
+ ConstantArray *CA = cast<ConstantArray>(GV->getInitializer());
+ Field.resize(0);
+ for (unsigned i = 0, N = CA->getNumOperands(); i < N; ++i) {
+ GlobalVariable *GVE = getGlobalVariable(CA->getOperand(i));
+ DebugInfoDesc *DE = DR.Deserialize(GVE);
+ Field.push_back(DE);
+ }
+ }
};
//===----------------------------------------------------------------------===//
@@ -310,6 +324,22 @@
Elements.push_back(ConstantPointerNull::get(EmptyTy));
}
}
+ virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
+ const PointerType *EmptyTy = SR.getEmptyStructPtrType();
+ unsigned N = Field.size();
+ ArrayType *AT = ArrayType::get(EmptyTy, N);
+ std::vector<Constant *> ArrayElements;
+
+ for (unsigned i = 0, N = Field.size(); i < N; ++i) {
+ GlobalVariable *GVE = SR.Serialize(Field[i]);
+ Constant *CE = ConstantExpr::getCast(GVE, EmptyTy);
+ ArrayElements.push_back(cast<Constant>(CE));
+ }
+
+ Constant *CA = ConstantArray::get(AT, ArrayElements);
+ Constant *CAE = ConstantExpr::getCast(CA, EmptyTy);
+ Elements.push_back(CAE);
+ }
};
//===----------------------------------------------------------------------===//
@@ -353,6 +383,10 @@
const PointerType *EmptyTy = SR.getEmptyStructPtrType();
Fields.push_back(EmptyTy);
}
+ virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
+ const PointerType *EmptyTy = SR.getEmptyStructPtrType();
+ Fields.push_back(EmptyTy);
+ }
};
//===----------------------------------------------------------------------===//
@@ -409,6 +443,27 @@
Constant *C = CI->getOperand(I++);
IsValid = IsValid && isGlobalVariable(C);
}
+ virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
+ Constant *C = CI->getOperand(I++);
+ IsValid = IsValid && isGlobalVariable(C);
+ if (!IsValid) return;
+
+ GlobalVariable *GV = getGlobalVariable(C);
+ IsValid = IsValid && GV && GV->hasInitializer();
+ if (!IsValid) return;
+
+ ConstantArray *CA = dyn_cast<ConstantArray>(GV->getInitializer());
+ IsValid = IsValid && CA;
+ if (!IsValid) return;
+
+ for (unsigned i = 0, N = CA->getNumOperands(); IsValid && i < N; ++i) {
+ IsValid = IsValid && isGlobalVariable(CA->getOperand(i));
+ if (!IsValid) return;
+
+ GlobalVariable *GVE = getGlobalVariable(CA->getOperand(i));
+ VR.Verify(GVE);
+ }
+ }
};
@@ -430,9 +485,12 @@
case DI_TAG_global_variable: return new GlobalVariableDesc();
case DI_TAG_subprogram: return new SubprogramDesc();
case DI_TAG_basictype: return new BasicTypeDesc();
- case DI_TAG_typedef: return new DerivedTypeDesc(DI_TAG_typedef);
- case DI_TAG_pointer: return new DerivedTypeDesc(DI_TAG_pointer);
- case DI_TAG_reference: return new DerivedTypeDesc(DI_TAG_reference);
+ case DI_TAG_typedef:
+ case DI_TAG_pointer:
+ case DI_TAG_reference:
+ case DI_TAG_const:
+ case DI_TAG_volatile:
+ case DI_TAG_restrict: return new DerivedTypeDesc(Tag);
default: break;
}
return NULL;
@@ -639,8 +697,7 @@
: TypeDesc(T)
, FromType(NULL)
{
- assert((T == DI_TAG_typedef || T == DI_TAG_pointer || T == DI_TAG_reference)&&
- "Unknown derived type.");
+ assert(classof((const DebugInfoDesc *)this) && "Unknown derived type.");
}
/// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc.
@@ -777,6 +834,8 @@
}
#endif
+//===----------------------------------------------------------------------===//
+
DebugInfoDesc *DIDeserializer::Deserialize(Value *V) {
return Deserialize(getGlobalVariable(V));
}