diff options
Diffstat (limited to 'lib/Target/ARM/Thumb2ITBlockPass.cpp')
| -rw-r--r-- | lib/Target/ARM/Thumb2ITBlockPass.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/Target/ARM/Thumb2ITBlockPass.cpp b/lib/Target/ARM/Thumb2ITBlockPass.cpp index 2bf99bfd5c..b6274007b2 100644 --- a/lib/Target/ARM/Thumb2ITBlockPass.cpp +++ b/lib/Target/ARM/Thumb2ITBlockPass.cpp @@ -140,11 +140,10 @@ Thumb2ITBlockPass::MoveCopyOutOfITBlock(MachineInstr *MI, // rsb r1, 0 // rsb r2, 0 // - // - for (unsigned I = 0, E = MI->getNumOperands(); I != E; ++I) - if (MI->getOperand(I).isReg() && MI->getOperand(I).getReg() == ARM::CPSR && - MI->getOperand(I).isDef()) - return false; + const MCInstrDesc &MCID = MI->getDesc(); + if (MCID.hasOptionalDef() && + MI->getOperand(MCID.getNumOperands() - 1).getReg() == ARM::CPSR) + return false; // Then peek at the next instruction to see if it's predicated on CC or OCC. // If not, then there is nothing to be gained by moving the copy. |