If value map does not have register for an argument then try to find frame index before giving up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index eb149e1..667cac7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -3980,12 +3980,11 @@
if (!Reg) {
// Check if ValueMap has reg number.
DenseMap<const Value *, unsigned>::iterator VMI = FuncInfo.ValueMap.find(V);
- if (VMI == FuncInfo.ValueMap.end())
- return false;
- Reg = VMI->second;
+ if (VMI != FuncInfo.ValueMap.end())
+ Reg = VMI->second;
}
-
- if (!Reg && N.getNode())
+
+ if (!Reg && N.getNode()) {
// Check if frame index is available.
if (LoadSDNode *LNode = dyn_cast<LoadSDNode>(N.getNode()))
if (FrameIndexSDNode *FINode =
@@ -3993,6 +3992,10 @@
Reg = TRI->getFrameRegister(MF);
Offset = FINode->getIndex();
}
+ }
+
+ if (!Reg)
+ return false;
MachineInstrBuilder MIB = BuildMI(MF, getCurDebugLoc(),
TII->get(TargetOpcode::DBG_VALUE))