[llvm] r290543 - [NewGVN] Fold lookupOperandLeader() when there's only one use. NFCI.

Davide Italiano via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 26 08:19:35 PST 2016


Author: davide
Date: Mon Dec 26 10:19:34 2016
New Revision: 290543

URL: http://llvm.org/viewvc/llvm-project?rev=290543&view=rev
Log:
[NewGVN] Fold lookupOperandLeader() when there's only one use. NFCI.

Modified:
    llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp?rev=290543&r1=290542&r2=290543&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/NewGVN.cpp Mon Dec 26 10:19:34 2016
@@ -416,8 +416,7 @@ PHIExpression *NewGVN::createPHIExpressi
     }
     if (I->getOperand(i) != I) {
       const BasicBlockEdge BBE(B, PhiBlock);
-      auto Operand = lookupOperandLeader(I->getOperand(i), I, BBE);
-      E->op_push_back(Operand);
+      E->op_push_back(lookupOperandLeader(I->getOperand(i), I, BBE));
     } else {
       E->op_push_back(I->getOperand(i));
     }
@@ -691,8 +690,7 @@ LoadExpression *NewGVN::createLoadExpres
 
   // Give store and loads same opcode so they value number together.
   E->setOpcode(0);
-  auto Operand = lookupOperandLeader(PointerOp, LI, B);
-  E->op_push_back(Operand);
+  E->op_push_back(lookupOperandLeader(PointerOp, LI, B));
   if (LI)
     E->setAlignment(LI->getAlignment());
 




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