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If value map does not have register for an argument then try to find frame index before giving up.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118022 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-11-02 17:19:03 +00:00
parent a90b305af9
commit 8bc9ef77b7
1 changed files with 8 additions and 5 deletions
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9
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -3980,12 +3980,11 @@ SelectionDAGBuilder::EmitFuncArgumentDbgValue(const Value *V, MDNode *Variable,
if (!Reg) { if (!Reg) {
// Check if ValueMap has reg number. // Check if ValueMap has reg number.
DenseMap<const Value *, unsigned>::iterator VMI = FuncInfo.ValueMap.find(V); DenseMap<const Value *, unsigned>::iterator VMI = FuncInfo.ValueMap.find(V);
if (VMI == FuncInfo.ValueMap.end()) if (VMI != FuncInfo.ValueMap.end())
return false;
Reg = VMI->second; Reg = VMI->second;
} }
if (!Reg && N.getNode()) if (!Reg && N.getNode()) {
// Check if frame index is available. // Check if frame index is available.
if (LoadSDNode *LNode = dyn_cast<LoadSDNode>(N.getNode())) if (LoadSDNode *LNode = dyn_cast<LoadSDNode>(N.getNode()))
if (FrameIndexSDNode *FINode = if (FrameIndexSDNode *FINode =
@ -3993,6 +3992,10 @@ SelectionDAGBuilder::EmitFuncArgumentDbgValue(const Value *V, MDNode *Variable,
Reg = TRI->getFrameRegister(MF); Reg = TRI->getFrameRegister(MF);
Offset = FINode->getIndex(); Offset = FINode->getIndex();
} }
}
if (!Reg)
return false;
MachineInstrBuilder MIB = BuildMI(MF, getCurDebugLoc(), MachineInstrBuilder MIB = BuildMI(MF, getCurDebugLoc(),
TII->get(TargetOpcode::DBG_VALUE)) TII->get(TargetOpcode::DBG_VALUE))