[llvm] r274355 - CodeGen: Avoid iterator conversion in UnreachableBlockElim, NFC

[Duncan P. N. Exon Smith via llvm-commits]

Author: dexonsmith
Date: Fri Jul  1 10:13:09 2016
New Revision: 274355

URL: http://llvm.org/viewvc/llvm-project?rev=274355&view=rev
Log:
CodeGen: Avoid iterator conversion in UnreachableBlockElim, NFC

Avoid an unnecessary (and implicit) iterator to pointer conversion in
UnreachableBlockElim by using the post-increment operator.

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

Modified: llvm/trunk/lib/CodeGen/UnreachableBlockElim.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/UnreachableBlockElim.cpp?rev=274355&r1=274354&r2=274355&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/UnreachableBlockElim.cpp (original)
+++ llvm/trunk/lib/CodeGen/UnreachableBlockElim.cpp Fri Jul  1 10:13:09 2016
@@ -184,9 +184,7 @@ bool UnreachableMachineBlockElim::runOnM
         unsigned Input = phi->getOperand(1).getReg();
         unsigned Output = phi->getOperand(0).getReg();
 
-        MachineInstr* temp = phi;
-        ++phi;
-        temp->eraseFromParent();
+        phi++->eraseFromParent();
         ModifiedPHI = true;
 
         if (Input != Output) {