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| author | Chris Lattner <sabre@nondot.org> | 2005-08-30 01:57:23 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-08-30 01:57:23 +0000 |
| commit | 04cb82278ace418e91c136a2fee4d8f6e93e2911 (patch) | |
| tree | a3df36748abefb333534b7eb1b9df2602b2627da /llvm/lib/CodeGen | |
| parent | 7a59b1cf90b50bdf3ddf6ea8f69b8f70097d75d6 (diff) | |
| download | bcm5719-llvm-04cb82278ace418e91c136a2fee4d8f6e93e2911.tar.gz bcm5719-llvm-04cb82278ace418e91c136a2fee4d8f6e93e2911.zip | |
Handle CopyToReg nodes with flag operands correctly
llvm-svn: 23144
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index af751edcbf5..8fac71c372c 100644 --- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -205,8 +205,13 @@ unsigned SimpleSched::Emit(SDOperand Op) { Emit(Op.getOperand(i)); break; case ISD::CopyToReg: { - Emit(Op.getOperand(0)); // Emit the chain. + SDOperand ChainOp; + if (Op.getNumOperands() == 4) + ChainOp = Op.getOperand(3); + if (Op.getOperand(0).Val != ChainOp.Val) + Emit(Op.getOperand(0)); // Emit the chain. unsigned Val = Emit(Op.getOperand(2)); + if (ChainOp.Val) Emit(ChainOp); MRI.copyRegToReg(*BB, BB->end(), cast<RegisterSDNode>(Op.getOperand(1))->getReg(), Val, RegMap->getRegClass(Val)); |
