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| author | Devang Patel <dpatel@apple.com> | 2010-05-05 22:29:00 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-05-05 22:29:00 +0000 |
| commit | d47f3c803f4e1e7f84e8fdcd3c9a5120ae5d37ad (patch) | |
| tree | 10a0decca4a3cd7d33c8201f44068c59d1d7a877 | |
| parent | 7d2552135d2240f95d94c4f252274f4f863a3f5d (diff) | |
| download | llvm-d47f3c803f4e1e7f84e8fdcd3c9a5120ae5d37ad.tar.gz llvm-d47f3c803f4e1e7f84e8fdcd3c9a5120ae5d37ad.tar.bz2 llvm-d47f3c803f4e1e7f84e8fdcd3c9a5120ae5d37ad.tar.xz | |
Use getValue() for PHINodes when direct NodeMap access does not work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103126 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index a38b204b24..57aa2feb02 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -3900,6 +3900,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { SDV = DAG.getDbgValue(Variable, V, Offset, dl, SDNodeOrder); DAG.AddDbgValue(SDV, 0, false); } else { + bool createUndef = false; + // FIXME : Why not use getValue() directly ? SDValue &N = NodeMap[V]; if (N.getNode()) { if (!EmitFuncArgumentDbgValue(DI, V, Variable, Offset, N)) { @@ -3907,7 +3909,19 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { N.getResNo(), Offset, dl, SDNodeOrder); DAG.AddDbgValue(SDV, N.getNode(), false); } - } else { + } else if (isa<PHINode>(V) && !V->use_empty()) { + SDValue N = getValue(V); + if (N.getNode()) { + if (!EmitFuncArgumentDbgValue(DI, V, Variable, Offset, N)) { + SDV = DAG.getDbgValue(Variable, N.getNode(), + N.getResNo(), Offset, dl, SDNodeOrder); + DAG.AddDbgValue(SDV, N.getNode(), false); + } + } else + createUndef = true; + } else + createUndef = true; + if (createUndef) { // We may expand this to cover more cases. One case where we have no // data available is an unreferenced parameter; we need this fallback. SDV = DAG.getDbgValue(Variable, UndefValue::get(V->getType()), |