Fix an obvious mistake: don't change the operands until all of them have been

checked and it is safe to proceed with the changes. llvm-svn: 105304
2010-06-02 00:16:08 +00:00 · 2010-06-02 00:16:08 +00:00 · f4a34b97b8
parent 6382c9c681
commit f4a34b97b8
1 changed files with 0 additions and 2 deletions
--- a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
@ -1200,8 +1200,6 @@ TwoAddressInstructionPass::CoalesceExtSubRegs(SmallVector<unsigned,4> &Srcs,
            Proceed = false;
            break;
          }
-          MO.setReg(DstReg);
-          MO.setSubReg(NewSubIdx);
        }
      if (Proceed)
        for (MachineRegisterInfo::reg_iterator RI = MRI->reg_begin(SrcReg),