[WinEH] Emit int3 after noreturn calls on Win64

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGBuilder.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 97caa9d014a963df66e97008738462690def236b..a48de572113750efe9a1c2804b4f92236064b2df 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1182,6 +1182,7 @@ void SelectionDAGBuilder::visitCleanupPad(const CleanupPadInst &CPI) {
   // Don't emit any special code for the cleanuppad instruction. It just marks
   // the start of a funclet.
   FuncInfo.MBB->setIsEHFuncletEntry();
+  FuncInfo.MBB->setIsCleanupFuncletEntry();
 }
 
 /// When an invoke or a cleanupret unwinds to the next EH pad, there are
@@ -2204,10 +2205,7 @@ void SelectionDAGBuilder::visitIndirectBr(const IndirectBrInst &I) {
                           getValue(I.getAddress())));
 }
 
-void SelectionDAGBuilder::visitUnreachable(const UnreachableInst &I) {
-  if (DAG.getTarget().Options.TrapUnreachable)
-    DAG.setRoot(DAG.getNode(ISD::TRAP, getCurSDLoc(), MVT::Other, DAG.getRoot()));
-}
+void SelectionDAGBuilder::visitUnreachable(const UnreachableInst &I) {}
 
 void SelectionDAGBuilder::visitFSub(const User &I) {
   // -0.0 - X --> fneg
@@ -4393,15 +4391,9 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
                                    N);
           return nullptr;
         }
-      } else if (AI)
+      } else {
         SDV = DAG.getDbgValue(Variable, Expression, N.getNode(), N.getResNo(),
                               true, 0, dl, SDNodeOrder);
-      else {
-        // Can't do anything with other non-AI cases yet.
-        DEBUG(dbgs() << "Dropping debug info for " << DI << "\n");
-        DEBUG(dbgs() << "non-AllocaInst issue for Address: \n\t");
-        DEBUG(Address->dump());
-        return nullptr;
       }
       DAG.AddDbgValue(SDV, N.getNode(), isParameter);
     } else {
@@ -5262,7 +5254,13 @@ SelectionDAGBuilder::lowerInvokable(TargetLowering::CallLoweringInfo &CLI,
     DAG.setRoot(DAG.getEHLabel(getCurSDLoc(), getRoot(), EndLabel));
 
     // Inform MachineModuleInfo of range.
-    MMI.addInvoke(FuncInfo.MBBMap[EHPadBB], BeginLabel, EndLabel);
+    if (MMI.hasEHFunclets()) {
+      WinEHFuncInfo &EHInfo =
+          MMI.getWinEHFuncInfo(DAG.getMachineFunction().getFunction());
+      EHInfo.addIPToStateRange(EHPadBB, BeginLabel, EndLabel);
+    } else {
+      MMI.addInvoke(FuncInfo.MBBMap[EHPadBB], BeginLabel, EndLabel);
+    }
   }
 
   return Result;