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Remove an overly-aggressive assertion. The code following this assertion already knows how to handle the case where DstRC was NULL, so it's not actually protecting us from anything, and this pattern can come up when using unknown_class operands in the SelectionDAG. 

llvm-svn: 163736
This commit is contained in:
Owen Anderson 2012-09-12 20:09:19 +00:00
parent 5a3db551a8
commit 6f9dace01c
1 changed files with 0 additions and 2 deletions
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2
llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
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@ -314,8 +314,6 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op,
const TargetRegisterClass *DstRC = 0;
if (IIOpNum < II->getNumOperands())
DstRC = TRI->getAllocatableClass(TII->getRegClass(*II,IIOpNum,TRI,*MF));
assert((DstRC || (MI->isVariadic() && IIOpNum >= MCID.getNumOperands())) &&
"Don't have operand info for this instruction!");
if (DstRC && !MRI->constrainRegClass(VReg, DstRC, MinRCSize)) {
unsigned NewVReg = MRI->createVirtualRegister(DstRC);
BuildMI(*MBB, InsertPos, Op.getNode()->getDebugLoc(),