From 29438d13e036cb454b2089b8e175fc93f62bbba2 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 25 Sep 2009 22:24:52 +0000
Subject: [PATCH] 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
---
 lib/CodeGen/MachineSink.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/CodeGen/MachineSink.cpp b/lib/CodeGen/MachineSink.cpp
index 7fb33c6e4ce..f975ad344ad 100644
--- a/lib/CodeGen/MachineSink.cpp
+++ b/lib/CodeGen/MachineSink.cpp
@@ -70,10 +70,8 @@ bool MachineSinking::AllUsesDominatedByBlock(unsigned Reg,
                                              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();