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| author | Dan Gohman <gohman@apple.com> | 2010-05-01 00:50:53 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-05-01 00:50:53 +0000 |
| commit | 3a401bcd04e3a04eea9e91649e1a820ff7cc60c1 (patch) | |
| tree | ef5b285c6d92ff76c82c83fb73b1ac619e28ddf3 /lib/CodeGen/SelectionDAG/InstrEmitter.cpp | |
| parent | e576f51e664821c69985d5db7e0fb109dd1cd137 (diff) | |
| download | llvm-3a401bcd04e3a04eea9e91649e1a820ff7cc60c1.tar.gz llvm-3a401bcd04e3a04eea9e91649e1a820ff7cc60c1.tar.bz2 llvm-3a401bcd04e3a04eea9e91649e1a820ff7cc60c1.tar.xz | |
Re-enable kill flags from SelectionDAGISel, with a fix: don't
try to put a kill flag on a DBG_INFO instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102820 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/InstrEmitter.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index 5f0c0e8d4f..1d44ff6629 100644 --- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -296,7 +296,6 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op, } } -#if 0 // If this value has only one use, that use is a kill. This is a // conservative approximation. Tied operands are never killed, so we need // to check that. And that means we need to determine the index of the @@ -306,10 +305,7 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op, MI->getOperand(Idx-1).isReg() && MI->getOperand(Idx-1).isImplicit()) --Idx; bool isTied = MI->getDesc().getOperandConstraint(Idx, TOI::TIED_TO) != -1; - bool isKill = Op.hasOneUse() && !isTied; -#else - bool isKill = false; -#endif + bool isKill = Op.hasOneUse() && !isTied && !IsDebug; MI->addOperand(MachineOperand::CreateReg(VReg, isOptDef, false/*isImp*/, isKill, |