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| author | Devang Patel <dpatel@apple.com> | 2011-01-25 23:27:42 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-01-25 23:27:42 +0000 |
| commit | efc6b16e4ba24d7624b27642a00a74208823368c (patch) | |
| tree | 0dc7bbd776e3c8a08a1c933b4806fb42b781f017 /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | 4e52cc7de46aaf2052063847ef3eaf0bca50a841 (diff) | |
| download | llvm-efc6b16e4ba24d7624b27642a00a74208823368c.zip llvm-efc6b16e4ba24d7624b27642a00a74208823368c.tar.gz llvm-efc6b16e4ba24d7624b27642a00a74208823368c.tar.bz2 | |
Provide an interface to transfer SDDbgValue from one SDNode to another.
llvm-svn: 124245
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index f6aea1f..e751e22 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -5424,6 +5424,23 @@ void SelectionDAG::AddDbgValue(SDDbgValue *DB, SDNode *SD, bool isParameter) { SD->setHasDebugValue(true); } +/// TransferDbgValues - Transfer SDDbgValues. +void SelectionDAG::TransferDbgValues(SDValue From, SDValue To) { + if (From == To || !From.getNode()->getHasDebugValue()) + return; + SDNode *FromNode = From.getNode(); + SDNode *ToNode = To.getNode(); + SmallVector<SDDbgValue*,2> &DVs = GetDbgValues(FromNode); + DbgInfo->removeSDDbgValues(FromNode); + for (SmallVector<SDDbgValue *, 2>::iterator I = DVs.begin(), E = DVs.end(); + I != E; ++I) { + if ((*I)->getKind() == SDDbgValue::SDNODE) { + AddDbgValue(*I, ToNode, false); + (*I)->setSDNode(ToNode, To.getResNo()); + } + } +} + //===----------------------------------------------------------------------===// // SDNode Class //===----------------------------------------------------------------------===// |