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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 | 77ef6f6a17ff06baf701fc28aaa220a8bceb66fa (patch) | |
| tree | 4223b9b482c604644104d4e188628f35202e0a21 | |
| parent | 3dca8f3da327ba6b1bc35d2e764e4f0e264bacea (diff) | |
| download | bcm5719-llvm-77ef6f6a17ff06baf701fc28aaa220a8bceb66fa.tar.gz bcm5719-llvm-77ef6f6a17ff06baf701fc28aaa220a8bceb66fa.zip | |
Re-enable kill flags from SelectionDAGISel, with a fix: don't
try to put a kill flag on a DBG_INFO instruction.
llvm-svn: 102820
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index 5f0c0e8d4fa..1d44ff66291 100644 --- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/llvm/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, |
