Added source file/line correspondence for dwarf (PowerPC only at this point.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24748 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index f0ece6b..f51176f 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -108,7 +108,7 @@
MachineFunction::MachineFunction(const Function *F,
const TargetMachine &TM)
- : Annotation(MF_AID), Fn(F), Target(TM), UsedPhysRegs(0) {
+ : Annotation(MF_AID), Fn(F), Target(TM), UsedPhysRegs(0), DebugInfo() {
SSARegMapping = new SSARegMap();
MFInfo = 0;
FrameInfo = new MachineFrameInfo();
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 1537621..c5b7bf9 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -611,9 +611,18 @@
switch (TLI.getOperationAction(ISD::LOCATION, MVT::Other)) {
case TargetLowering::Promote:
default: assert(0 && "This action is not supported yet!");
- case TargetLowering::Expand:
- // If the target doesn't support line numbers, ignore this node.
- Result = Tmp1;
+ case TargetLowering::Expand: {
+ MachineDebugInfo &DebugInfo = DAG.getMachineFunction().getDebugInfo();
+ std::vector<SDOperand> Ops;
+ Ops.push_back(Tmp1); // chain
+ Ops.push_back(Node->getOperand(1)); // line #
+ Ops.push_back(Node->getOperand(2)); // col #
+ const std::string &fname = cast<StringSDNode>(Node->getOperand(3))->getValue();
+ const std::string &dirname=cast<StringSDNode>(Node->getOperand(4))->getValue();
+ unsigned id = DebugInfo.RecordSource(fname, dirname);
+ Ops.push_back(DAG.getConstant(id, MVT::i32)); // source file id
+ Result = DAG.getNode(ISD::DEBUG_LOC, MVT::Other, Ops);
+ }
break;
case TargetLowering::Legal:
if (Tmp1 != Node->getOperand(0) ||
@@ -635,6 +644,28 @@
break;
}
break;
+
+ case ISD::DEBUG_LOC:
+ assert(Node->getNumOperands() == 4 && "Invalid DEBUG_LOC node!");
+ switch (TLI.getOperationAction(ISD::DEBUG_LOC, MVT::Other)) {
+ case TargetLowering::Promote:
+ case TargetLowering::Expand:
+ default: assert(0 && "This action is not supported yet!");
+ case TargetLowering::Legal:
+ Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
+ Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the line #.
+ Tmp3 = LegalizeOp(Node->getOperand(2)); // Legalize the col #.
+ Tmp4 = LegalizeOp(Node->getOperand(3)); // Legalize the source file id.
+
+ if (Tmp1 != Node->getOperand(0) ||
+ Tmp2 != Node->getOperand(1) ||
+ Tmp3 != Node->getOperand(2) ||
+ Tmp4 != Node->getOperand(3)) {
+ Result = DAG.getNode(ISD::DEBUG_LOC,MVT::Other, Tmp1, Tmp2, Tmp3, Tmp4);
+ }
+ break;
+ }
+ break;
case ISD::Constant:
// We know we don't need to expand constants here, constants only have one
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 30ebeb2..2fe1b0d 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1961,6 +1961,7 @@
// Debug info
case ISD::LOCATION: return "location";
+ case ISD::DEBUG_LOC: return "debug_loc";
case ISD::CONDCODE:
switch (cast<CondCodeSDNode>(this)->get()) {
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 20335fb..e6a0913 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -918,8 +918,8 @@
if (ConstantStruct *CS =
dyn_cast<ConstantStruct>(cunit->getInitializer())) {
if (CS->getNumOperands() > 0) {
- Ops.push_back(DAG.getString(getStringValue(CS->getOperand(4))));
Ops.push_back(DAG.getString(getStringValue(CS->getOperand(3))));
+ Ops.push_back(DAG.getString(getStringValue(CS->getOperand(4))));
}
}
}