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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290543 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/NewGVN.cpp b/lib/Transforms/Scalar/NewGVN.cpp
index 1f12d10eb96ddb07e41df110c8f13f83e2255da0..48624a07d7c34898d8ca7987d58a1023dc39837b 100644 (file)
--- a/lib/Transforms/Scalar/NewGVN.cpp
+++ b/lib/Transforms/Scalar/NewGVN.cpp
@@ -416,8 +416,7 @@ PHIExpression *NewGVN::createPHIExpression(Instruction *I) {
     }
     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::createLoadExpression(Type *LoadType, Value *PointerOp,
 
   // 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());