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| author | Evan Cheng <evan.cheng@apple.com> | 2007-07-10 17:52:20 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-07-10 17:52:20 +0000 |
| commit | 5e9084207fb95ba935b448dc1107f4a60f1368ce (patch) | |
| tree | 0c2ab7293633d84857046a52fb19f540e11d1dd1 /llvm/lib/CodeGen | |
| parent | fbc73099dc28e8c5cdbf441ef964984c06c9ab7b (diff) | |
| download | bcm5719-llvm-5e9084207fb95ba935b448dc1107f4a60f1368ce.tar.gz bcm5719-llvm-5e9084207fb95ba935b448dc1107f4a60f1368ce.zip | |
If the operand is marked M_OPTIONAL_DEF_OPERAND, then it's a def.
llvm-svn: 38496
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index a1cb244e6b9..2252e7dcd79 100644 --- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -323,7 +323,10 @@ void ScheduleDAG::AddOperand(MachineInstr *MI, SDOperand Op, // Get/emit the operand. unsigned VReg = getVR(Op, VRBaseMap); - MI->addRegOperand(VReg, false); + const TargetInstrDescriptor *TID = MI->getInstrDescriptor(); + bool isOptDef = (IIOpNum < TID->numOperands) + ? (TID->OpInfo[IIOpNum].Flags & M_OPTIONAL_DEF_OPERAND) : false; + MI->addRegOperand(VReg, isOptDef); // Verify that it is right. assert(MRegisterInfo::isVirtualRegister(VReg) && "Not a vreg?"); |
