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-rw-r--r--lib/IR/DebugInfo.cpp127
1 files changed, 72 insertions, 55 deletions
diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index e85d4adf77..0ffe99d704 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -25,6 +25,7 @@
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/ValueHandle.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::dwarf;
@@ -66,18 +67,28 @@ bool DIDescriptor::Verify() const {
DITemplateValueParameter(DbgNode).Verify());
}
-StringRef
-DIDescriptor::getStringField(unsigned Elt) const {
- if (DbgNode == 0)
- return StringRef();
+static Value *getField(const MDNode *DbgNode, unsigned Elt) {
+ if (DbgNode == 0 || Elt >= DbgNode->getNumOperands())
+ return 0;
+ return DbgNode->getOperand(Elt);
+}
- if (Elt < DbgNode->getNumOperands())
- if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getOperand(Elt)))
- return MDS->getString();
+static const MDNode *getNodeField(const MDNode *DbgNode, unsigned Elt) {
+ if (const MDNode *R = dyn_cast_or_null<MDNode>(getField(DbgNode, Elt)))
+ return R;
+ return 0;
+}
+static StringRef getStringField(const MDNode *DbgNode, unsigned Elt) {
+ if (MDString *MDS = dyn_cast_or_null<MDString>(getField(DbgNode, Elt)))
+ return MDS->getString();
return StringRef();
}
+StringRef DIDescriptor::getStringField(unsigned Elt) const {
+ return ::getStringField(DbgNode, Elt);
+}
+
uint64_t DIDescriptor::getUInt64Field(unsigned Elt) const {
if (DbgNode == 0)
return 0;
@@ -321,7 +332,7 @@ bool DIDescriptor::isEnumerator() const {
return DbgNode && getTag() == dwarf::DW_TAG_enumerator;
}
-/// isObjCProperty - Return true if the specified tag is DW_TAG
+/// isObjCProperty - Return true if the specified tag is DW_TAG_APPLE_property.
bool DIDescriptor::isObjCProperty() const {
return DbgNode && getTag() == dwarf::DW_TAG_APPLE_property;
}
@@ -407,7 +418,7 @@ bool DICompileUnit::Verify() const {
if (N.empty())
return false;
// It is possible that directory and produce string is empty.
- return DbgNode->getNumOperands() == 15;
+ return DbgNode->getNumOperands() == 12;
}
/// Verify - Verify that an ObjC property is well formed.
@@ -475,7 +486,7 @@ bool DISubprogram::Verify() const {
DICompositeType Ty = getType();
if (!Ty.Verify())
return false;
- return DbgNode->getNumOperands() == 21;
+ return DbgNode->getNumOperands() == 20;
}
/// Verify - Verify that a global variable descriptor is well formed.
@@ -529,9 +540,14 @@ bool DINameSpace::Verify() const {
return DbgNode->getNumOperands() == 5;
}
+/// \brief Retrieve the MDNode for the directory/file pair.
+MDNode *DIFile::getFileNode() const {
+ return const_cast<MDNode*>(getNodeField(DbgNode, 1));
+}
+
/// \brief Verify that the file descriptor is well formed.
bool DIFile::Verify() const {
- return isFile() && DbgNode->getNumOperands() == 4;
+ return isFile() && DbgNode->getNumOperands() == 2;
}
/// \brief Verify that the enumerator descriptor is well formed.
@@ -600,6 +616,25 @@ MDNode *DIDerivedType::getObjCProperty() const {
return dyn_cast_or_null<MDNode>(DbgNode->getOperand(10));
}
+/// \brief Set the array of member DITypes.
+void DICompositeType::setTypeArray(DIArray Elements, DIArray TParams) {
+ assert((!TParams || DbgNode->getNumOperands() == 14) &&
+ "If you're setting the template parameters this should include a slot "
+ "for that!");
+ TrackingVH<MDNode> N(*this);
+ N->replaceOperandWith(10, Elements);
+ if (TParams)
+ N->replaceOperandWith(13, TParams);
+ DbgNode = N;
+}
+
+/// \brief Set the containing type.
+void DICompositeType::setContainingType(DICompositeType ContainingType) {
+ TrackingVH<MDNode> N(*this);
+ N->replaceOperandWith(12, ContainingType);
+ DbgNode = N;
+}
+
/// isInlinedFnArgument - Return true if this variable provides debugging
/// information for an inlined function arguments.
bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
@@ -627,21 +662,21 @@ bool DISubprogram::describes(const Function *F) {
unsigned DISubprogram::isOptimized() const {
assert (DbgNode && "Invalid subprogram descriptor!");
- if (DbgNode->getNumOperands() == 16)
- return getUnsignedField(15);
+ if (DbgNode->getNumOperands() == 15)
+ return getUnsignedField(14);
return 0;
}
MDNode *DISubprogram::getVariablesNodes() const {
- if (!DbgNode || DbgNode->getNumOperands() <= 19)
+ if (!DbgNode || DbgNode->getNumOperands() <= 18)
return NULL;
- return dyn_cast_or_null<MDNode>(DbgNode->getOperand(19));
+ return dyn_cast_or_null<MDNode>(DbgNode->getOperand(18));
}
DIArray DISubprogram::getVariables() const {
- if (!DbgNode || DbgNode->getNumOperands() <= 19)
+ if (!DbgNode || DbgNode->getNumOperands() <= 18)
return DIArray();
- if (MDNode *T = dyn_cast_or_null<MDNode>(DbgNode->getOperand(19)))
+ if (MDNode *T = dyn_cast_or_null<MDNode>(DbgNode->getOperand(18)))
return DIArray(T);
return DIArray();
}
@@ -649,76 +684,48 @@ DIArray DISubprogram::getVariables() const {
StringRef DIScope::getFilename() const {
if (!DbgNode)
return StringRef();
- if (isLexicalBlockFile())
- return DILexicalBlockFile(DbgNode).getFilename();
- if (isLexicalBlock())
- return DILexicalBlock(DbgNode).getFilename();
- if (isSubprogram())
- return DISubprogram(DbgNode).getFilename();
- if (isCompileUnit())
- return DICompileUnit(DbgNode).getFilename();
- if (isNameSpace())
- return DINameSpace(DbgNode).getFilename();
- if (isType())
- return DIType(DbgNode).getFilename();
- if (isFile())
- return DIFile(DbgNode).getFilename();
- llvm_unreachable("Invalid DIScope!");
+ return ::getStringField(getNodeField(DbgNode, 1), 0);
}
StringRef DIScope::getDirectory() const {
if (!DbgNode)
return StringRef();
- if (isLexicalBlockFile())
- return DILexicalBlockFile(DbgNode).getDirectory();
- if (isLexicalBlock())
- return DILexicalBlock(DbgNode).getDirectory();
- if (isSubprogram())
- return DISubprogram(DbgNode).getDirectory();
- if (isCompileUnit())
- return DICompileUnit(DbgNode).getDirectory();
- if (isNameSpace())
- return DINameSpace(DbgNode).getDirectory();
- if (isType())
- return DIType(DbgNode).getDirectory();
- if (isFile())
- return DIFile(DbgNode).getDirectory();
- llvm_unreachable("Invalid DIScope!");
+ return ::getStringField(getNodeField(DbgNode, 1), 1);
}
DIArray DICompileUnit::getEnumTypes() const {
- if (!DbgNode || DbgNode->getNumOperands() < 14)
+ if (!DbgNode || DbgNode->getNumOperands() < 12)
return DIArray();
- if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(10)))
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(7)))
return DIArray(N);
return DIArray();
}
DIArray DICompileUnit::getRetainedTypes() const {
- if (!DbgNode || DbgNode->getNumOperands() < 14)
+ if (!DbgNode || DbgNode->getNumOperands() < 12)
return DIArray();
- if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(11)))
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(8)))
return DIArray(N);
return DIArray();
}
DIArray DICompileUnit::getSubprograms() const {
- if (!DbgNode || DbgNode->getNumOperands() < 14)
+ if (!DbgNode || DbgNode->getNumOperands() < 12)
return DIArray();
- if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(12)))
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(9)))
return DIArray(N);
return DIArray();
}
DIArray DICompileUnit::getGlobalVariables() const {
- if (!DbgNode || DbgNode->getNumOperands() < 14)
+ if (!DbgNode || DbgNode->getNumOperands() < 12)
return DIArray();
- if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(13)))
+ if (MDNode *N = dyn_cast_or_null<MDNode>(DbgNode->getOperand(10)))
return DIArray(N);
return DIArray();
}
@@ -1026,6 +1033,8 @@ void DIDescriptor::print(raw_ostream &OS) const {
DIVariable(DbgNode).printInternal(OS);
} else if (this->isObjCProperty()) {
DIObjCProperty(DbgNode).printInternal(OS);
+ } else if (this->isNameSpace()) {
+ DINameSpace(DbgNode).printInternal(OS);
} else if (this->isScope()) {
DIScope(DbgNode).printInternal(OS);
}
@@ -1099,6 +1108,14 @@ void DICompositeType::printInternal(raw_ostream &OS) const {
OS << " [" << A.getNumElements() << " elements]";
}
+void DINameSpace::printInternal(raw_ostream &OS) const {
+ StringRef Name = getName();
+ if (!Name.empty())
+ OS << " [" << Name << ']';
+
+ OS << " [line " << getLineNumber() << ']';
+}
+
void DISubprogram::printInternal(raw_ostream &OS) const {
// TODO : Print context
OS << " [line " << getLineNumber() << ']';