Implemented Support of IA interrupt and exception handlers:

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

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 885997e2d0e4b4f7a19eaa754e49a4437a01e1da..e6e6cdc9ca3086dd26c6dd7c9aa4b2d829670dcc 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -950,14 +950,12 @@ void SelectionDAGBuilder::resolveDanglingDebugInfo(const Value *V,
     assert(Variable->isValidLocationForIntrinsic(dl) &&
            "Expected inlined-at fields to agree");
     uint64_t Offset = DI->getOffset();
-    // A dbg.value for an alloca is always indirect.
-    bool IsIndirect = isa<AllocaInst>(V) || Offset != 0;
     SDDbgValue *SDV;
     if (Val.getNode()) {
-      if (!EmitFuncArgumentDbgValue(V, Variable, Expr, dl, Offset, IsIndirect,
+      if (!EmitFuncArgumentDbgValue(V, Variable, Expr, dl, Offset, false,
                                     Val)) {
         SDV = DAG.getDbgValue(Variable, Expr, Val.getNode(), Val.getResNo(),
-                              IsIndirect, Offset, dl, DbgSDNodeOrder);
+                              false, Offset, dl, DbgSDNodeOrder);
         DAG.AddDbgValue(SDV, Val.getNode(), false);
       }
     } else
@@ -4515,12 +4513,10 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
         // Check unused arguments map.
         N = UnusedArgNodeMap[V];
       if (N.getNode()) {
-        // A dbg.value for an alloca is always indirect.
-        bool IsIndirect = isa<AllocaInst>(V) || Offset != 0;
         if (!EmitFuncArgumentDbgValue(V, Variable, Expression, dl, Offset,
-                                      IsIndirect, N)) {
+                                      false, N)) {
           SDV = DAG.getDbgValue(Variable, Expression, N.getNode(), N.getResNo(),
-                                IsIndirect, Offset, dl, SDNodeOrder);
+                                false, Offset, dl, SDNodeOrder);
           DAG.AddDbgValue(SDV, N.getNode(), false);
         }
       } else if (!V->use_empty() ) {
@@ -7365,6 +7361,11 @@ void SelectionDAGISel::LowerArguments(const Function &F) {
         // in the various CC lowering callbacks.
         Flags.setByVal();
       }
+      if (F.getCallingConv() == CallingConv::X86_INTR) {
+        // IA Interrupt passes frame (1st parameter) by value in the stack.
+        if (Idx == 1)
+          Flags.setByVal();
+      }
       if (Flags.isByVal() || Flags.isInAlloca()) {
         PointerType *Ty = cast<PointerType>(I->getType());
         Type *ElementTy = Ty->getElementType();