[llvm] r258191 - [AArch64] Remove more dead code after r258093.

[Chad Rosier via llvm-commits]

Author: mcrosier
Date: Tue Jan 19 15:27:05 2016
New Revision: 258191

URL: http://llvm.org/viewvc/llvm-project?rev=258191&view=rev
Log:
[AArch64] Remove more dead code after r258093.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp?rev=258191&r1=258190&r2=258191&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp Tue Jan 19 15:27:05 2016
@@ -1380,16 +1380,12 @@ MachineBasicBlock::iterator AArch64LoadS
   ModifiedRegs.resize(TRI->getNumRegs());
   UsedRegs.resize(TRI->getNumRegs());
   ++MBBI;
-  for (unsigned Count = 0; MBBI != E; ++MBBI) {
+  for (; MBBI != E; ++MBBI) {
     MachineInstr *MI = MBBI;
-    // Skip DBG_VALUE instructions. Otherwise debug info can affect the
-    // optimization by changing how far we scan.
+    // Skip DBG_VALUE instructions.
     if (MI->isDebugValue())
       continue;
 
-    // Now that we know this is a real instruction, count it.
-    ++Count;
-
     // If we found a match, return it.
     if (isMatchingUpdateInsn(I, MI, BaseReg, UnscaledOffset))
       return MBBI;
@@ -1434,16 +1430,12 @@ MachineBasicBlock::iterator AArch64LoadS
   ModifiedRegs.resize(TRI->getNumRegs());
   UsedRegs.resize(TRI->getNumRegs());
   --MBBI;
-  for (unsigned Count = 0; MBBI != B; --MBBI) {
+  for (; MBBI != B; --MBBI) {
     MachineInstr *MI = MBBI;
-    // Skip DBG_VALUE instructions. Otherwise debug info can affect the
-    // optimization by changing how far we scan.
+    // Skip DBG_VALUE instructions.
     if (MI->isDebugValue())
       continue;
 
-    // Now that we know this is a real instruction, count it.
-    ++Count;
-
     // If we found a match, return it.
     if (isMatchingUpdateInsn(I, MI, BaseReg, Offset))
       return MBBI;