Simplify this code by using use_iterator instead of reg_iterator
and skipping the defs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82811 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineSink.cpp b/lib/CodeGen/MachineSink.cpp
index 7fb33c6..f975ad3 100644
--- a/lib/CodeGen/MachineSink.cpp
+++ b/lib/CodeGen/MachineSink.cpp
@@ -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();