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| author | Bill Wendling <isanbard@gmail.com> | 2011-10-11 00:10:41 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-10-11 00:10:41 +0000 |
| commit | 98703350d02c49026472db2d55ab171ed6b07670 (patch) | |
| tree | b0d77512325ba350f6792ed9c81fc7abf092298e /llvm/lib | |
| parent | 60b2b2ee0d9ef894aaf45073385cdc9d726dc9e0 (diff) | |
| download | bcm5719-llvm-98703350d02c49026472db2d55ab171ed6b07670.tar.gz bcm5719-llvm-98703350d02c49026472db2d55ab171ed6b07670.zip | |
Simplify check that optional def is there and is CPSR.
llvm-svn: 141602
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/Thumb2ITBlockPass.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Target/ARM/Thumb2ITBlockPass.cpp b/llvm/lib/Target/ARM/Thumb2ITBlockPass.cpp index 2bf99bfd5c3..b6274007b23 100644 --- a/llvm/lib/Target/ARM/Thumb2ITBlockPass.cpp +++ b/llvm/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. |
