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Progress towards shepherding debug info through SelectionDAG.

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No functional effect yet.  This is still evolving and should
not be viewed as final.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98195 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2010-03-10 22:13:47 +00:00
parent 6663670359
commit bfdf7f3852
10 changed files with 276 additions and 40 deletions
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29
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@@ -13,6 +13,7 @@
#include "llvm/CodeGen/SelectionDAG.h"
#include "SDNodeOrdering.h"
#include "SDDbgValue.h"
#include "llvm/Constants.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Function.h"
@@ -596,6 +597,9 @@ void SelectionDAG::DeallocateNode(SDNode *N) {
// Remove the ordering of this node.
Ordering->remove(N);
// And its entry in the debug info table, if any.
DbgInfo->remove(N);
}
/// RemoveNodeFromCSEMaps - Take the specified node out of the CSE map that
@@ -793,6 +797,7 @@ SelectionDAG::SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli)
Root(getEntryNode()), Ordering(0) {
AllNodes.push_back(&EntryNode);
Ordering = new SDNodeOrdering();
DbgInfo = new SDDbgInfo();
}
void SelectionDAG::init(MachineFunction &mf, MachineModuleInfo *mmi,
@@ -806,6 +811,7 @@ void SelectionDAG::init(MachineFunction &mf, MachineModuleInfo *mmi,
SelectionDAG::~SelectionDAG() {
allnodes_clear();
delete Ordering;
delete DbgInfo;
}
void SelectionDAG::allnodes_clear() {
@@ -833,6 +839,8 @@ void SelectionDAG::clear() {
Root = getEntryNode();
delete Ordering;
Ordering = new SDNodeOrdering();
delete DbgInfo;
DbgInfo = new SDDbgInfo();
}
SDValue SelectionDAG::getSExtOrTrunc(SDValue Op, DebugLoc DL, EVT VT) {
@@ -5264,6 +5272,25 @@ unsigned SelectionDAG::GetOrdering(const SDNode *SD) const {
return Ordering->getOrder(SD);
}
/// AssignDbgInfo - Assign debug info to the SDNode.
void SelectionDAG::AssignDbgInfo(SDNode* SD, SDDbgValue* db) {
assert(SD && "Trying to assign dbg info to a null node!");
DbgInfo->add(SD, db);
SD->setHasDebugValue(true);
}
/// RememberDbgInfo - Remember debug info which is not assigned to an SDNode.
void SelectionDAG::RememberDbgInfo(SDDbgValue* db) {
DbgInfo->add(db);
}
/// GetDbgInfo - Get the debug info, if any, for the SDNode.
SDDbgValue* SelectionDAG::GetDbgInfo(const SDNode *SD) {
assert(SD && "Trying to get the order of a null node!");
if (SD->getHasDebugValue())
return DbgInfo->getSDDbgValue(SD);
return 0;
}
//===----------------------------------------------------------------------===//
// SDNode Class
@@ -5911,7 +5938,7 @@ void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
if (G)
if (unsigned Order = G->GetOrdering(this))
OS << " [ORD=" << Order << ']';
if (getNodeId() != -1)
OS << " [ID=" << getNodeId() << ']';
}