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authorDevang Patel <dpatel@apple.com>2010-11-02 17:19:03 +0000
committerDevang Patel <dpatel@apple.com>2010-11-02 17:19:03 +0000
commit8bc9ef77b7e9910fbeb40725dfa49d793158db51 (patch)
tree1a97becf0289e812418028945e36d8e2f3c0b487 /lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
parenta90b305af910f0cbfa0c6934a2034a2a0444e715 (diff)
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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
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp13
1 files changed, 8 insertions, 5 deletions
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 @@ SelectionDAGBuilder::EmitFuncArgumentDbgValue(const Value *V, MDNode *Variable,
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 @@ SelectionDAGBuilder::EmitFuncArgumentDbgValue(const Value *V, MDNode *Variable,
Reg = TRI->getFrameRegister(MF);
Offset = FINode->getIndex();
}
+ }
+
+ if (!Reg)
+ return false;
MachineInstrBuilder MIB = BuildMI(MF, getCurDebugLoc(),
TII->get(TargetOpcode::DBG_VALUE))