Add the AddLandingPadInfo function.
AddLandingPadInfo takes a landingpad instruction and grabs all of the
information from it that it needs for EH table generation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136429 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index d5bf120..1f41f043 100644
--- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -454,3 +454,37 @@
break;
}
}
+
+//--------- NEW EH - Begin ---------
+
+/// AddLandingPadInfo - Extract the exception handling information from the
+/// landingpad instruction and add them to the specified machine module info.
+void llvm::AddLandingPadInfo(const LandingPadInst &I, MachineModuleInfo &MMI,
+ MachineBasicBlock *MBB) {
+ MMI.addPersonality(MBB, I.getPersonalityFn());
+
+ if (I.isCleanup())
+ MMI.addCleanup(MBB);
+
+ for (unsigned i = 0, e = I.getNumClauses(); i != e; ) {
+ switch (I.getClauseType(i)) {
+ case LandingPadInst::Catch:
+ MMI.addCatchTypeInfo(MBB, dyn_cast<GlobalVariable>(I.getClauseValue(i)));
+ ++i;
+ break;
+ case LandingPadInst::Filter: {
+ // Add filters in a list.
+ SmallVector<const GlobalVariable*, 4> FilterList;
+ do {
+ FilterList.push_back(cast<GlobalVariable>(I.getClauseValue(i)));
+ ++i;
+ } while (i != e && I.getClauseType(i) == LandingPadInst::Filter);
+
+ MMI.addFilterTypeInfo(MBB, FilterList);
+ break;
+ }
+ }
+ }
+}
+
+//--------- NEW EH - End ---------