diff options
Diffstat (limited to 'lib/Target/X86/InstSelectSimple.cpp')
| -rw-r--r-- | lib/Target/X86/InstSelectSimple.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp index 34ffb67bef..2c247c223a 100644 --- a/lib/Target/X86/InstSelectSimple.cpp +++ b/lib/Target/X86/InstSelectSimple.cpp @@ -696,14 +696,15 @@ void ISel::InsertFPRegKills() { for (MachineFunction::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) { for (MachineBasicBlock::iterator I = BB->begin(), E = BB->end(); I!=E; ++I) - for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) - if (I->getOperand(i).isRegister()) { - unsigned Reg = I->getOperand(i).getReg(); + for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) { + MachineOperand& MO = I->getOperand(i); + if (MO.isRegister() && MO.getReg()) { + unsigned Reg = MO.getReg(); if (MRegisterInfo::isVirtualRegister(Reg)) if (RegMap.getRegClass(Reg)->getSize() == 10) goto UsesFPReg; } - + } // If we haven't found an FP register use or def in this basic block, check // to see if any of our successors has an FP PHI node, which will cause a // copy to be inserted into this block. |