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| author | Dan Gohman <gohman@apple.com> | 2009-10-28 01:13:53 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-10-28 01:13:53 +0000 |
| commit | 4b46cbfc23f279c860eaa72f9ac75830b47527be (patch) | |
| tree | 1c44f3dfa5954726de61d71ba8be364418527831 /llvm/lib | |
| parent | 75d6a4afd29f93e3cd40bff7bf374e594da515d6 (diff) | |
| download | bcm5719-llvm-4b46cbfc23f279c860eaa72f9ac75830b47527be.tar.gz bcm5719-llvm-4b46cbfc23f279c860eaa72f9ac75830b47527be.zip | |
Mark dead physregdefs dead immediately. This helps MachineSink and
MachineLICM and other things which run before LiveVariables is run.
llvm-svn: 85360
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index d3ffb2a22d9..425f670763a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -571,6 +571,8 @@ void InstrEmitter::EmitNode(SDNode *Node, bool IsClone, bool IsCloned, unsigned Reg = II.getImplicitDefs()[i - II.getNumDefs()]; if (Node->hasAnyUseOfValue(i)) EmitCopyFromReg(Node, i, IsClone, IsCloned, Reg, VRBaseMap); + else + MI->addRegisterDead(Reg, TRI); } } return; |
