change the LabelSDNode to be EHLabelSDNode and make it hold
an MCSymbol. Make the EH_LABEL MachineInstr hold its label
with an MCSymbol instead of ID. Fix a bug in MMI.cpp which
would return labels named "Label4" instead of "label4".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 08ba62b..00ee13f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4362,8 +4362,7 @@
if (LandingPad && MMI) {
// Insert a label before the invoke call to mark the try range. This can be
// used to detect deletion of the invoke via the MachineModuleInfo.
- unsigned BeginLabelID = MMI->NextLabelID();
- BeginLabel = MMI->getLabelSym(BeginLabelID);
+ BeginLabel = MMI->getLabelSym(MMI->NextLabelID());
// For SjLj, keep track of which landing pads go with which invokes
// so as to maintain the ordering of pads in the LSDA.
@@ -4377,8 +4376,7 @@
// Both PendingLoads and PendingExports must be flushed here;
// this call might not return.
(void)getRoot();
- DAG.setRoot(DAG.getLabel(ISD::EH_LABEL, getCurDebugLoc(),
- getControlRoot(), BeginLabelID));
+ DAG.setRoot(DAG.getEHLabel(getCurDebugLoc(), getControlRoot(), BeginLabel));
}
// Check if target-independent constraints permit a tail call here.
@@ -4466,10 +4464,8 @@
if (LandingPad && MMI) {
// Insert a label at the end of the invoke call to mark the try range. This
// can be used to detect deletion of the invoke via the MachineModuleInfo.
- unsigned EndLabelID = MMI->NextLabelID();
- MCSymbol *EndLabel = MMI->getLabelSym(EndLabelID);
- DAG.setRoot(DAG.getLabel(ISD::EH_LABEL, getCurDebugLoc(),
- getRoot(), EndLabelID));
+ MCSymbol *EndLabel = MMI->getLabelSym(MMI->NextLabelID());
+ DAG.setRoot(DAG.getEHLabel(getCurDebugLoc(), getRoot(), EndLabel));
// Inform MachineModuleInfo of range.
MMI->addInvoke(LandingPad, BeginLabel, EndLabel);