[llvm-commits] [llvm] r82811 - /llvm/trunk/lib/CodeGen/MachineSink.cpp

[Dan Gohman]

Author: djg
Date: Fri Sep 25 17:24:52 2009
New Revision: 82811

URL: http://llvm.org/viewvc/llvm-project?rev=82811&view=rev
Log:
Simplify this code by using use_iterator instead of reg_iterator
and skipping the defs.

Modified:
    llvm/trunk/lib/CodeGen/MachineSink.cpp

Modified: llvm/trunk/lib/CodeGen/MachineSink.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineSink.cpp?rev=82811&r1=82810&r2=82811&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/MachineSink.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineSink.cpp Fri Sep 25 17:24:52 2009
@@ -70,10 +70,8 @@
                                              MachineBasicBlock *MBB) const {
   assert(TargetRegisterInfo::isVirtualRegister(Reg) &&
          "Only makes sense for vregs");
-  for (MachineRegisterInfo::reg_iterator I = RegInfo->reg_begin(Reg),
-       E = RegInfo->reg_end(); I != E; ++I) {
-    if (I.getOperand().isDef()) continue;  // ignore def.
-    
+  for (MachineRegisterInfo::use_iterator I = RegInfo->use_begin(Reg),
+       E = RegInfo->use_end(); I != E; ++I) {
     // Determine the block of the use.
     MachineInstr *UseInst = &*I;
     MachineBasicBlock *UseBlock = UseInst->getParent();