SelectionDAGBuilder::handleJTSwitchCase, simplify loop; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232830 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 5d7333e2d7b9ed540f926f242b7fb5851dad7bfb..d3cea69279ba0d9e12a89e2d47786131f3905270 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2337,15 +2337,10 @@ bool SelectionDAGBuilder::handleJTSwitchCase(CaseRec &CR,
 
   // Calculate weight for each unique destination in CR.
   DenseMap<MachineBasicBlock*, uint32_t> DestWeights;
-  if (FuncInfo.BPI)
-    for (CaseItr I = CR.Range.first, E = CR.Range.second; I != E; ++I) {
-      DenseMap<MachineBasicBlock*, uint32_t>::iterator Itr =
-          DestWeights.find(I->BB);
-      if (Itr != DestWeights.end())
-        Itr->second += I->ExtraWeight;
-      else
-        DestWeights[I->BB] = I->ExtraWeight;
-    }
+  if (FuncInfo.BPI) {
+    for (CaseItr I = CR.Range.first, E = CR.Range.second; I != E; ++I)
+      DestWeights[I->BB] += I->ExtraWeight;
+  }
 
   // Update successor info. Add one edge to each unique successor.
   BitVector SuccsHandled(CR.CaseBB->getParent()->getNumBlockIDs());