[llvm-commits] [llvm] r107368 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

[Dan Gohman]

Author: djg
Date: Wed Jun 30 20:33:21 2010
New Revision: 107368

URL: http://llvm.org/viewvc/llvm-project?rev=107368&view=rev
Log:
Don't use operator[] here, because it's not desirable to insert a default
value if the search fails.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=107368&r1=107367&r2=107368&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Wed Jun 30 20:33:21 2010
@@ -6127,8 +6127,11 @@
         }
         Reg = RegOut;
       } else {
-        Reg = FuncInfo.ValueMap[PHIOp];
-        if (Reg == 0) {
+        DenseMap<const Value *, unsigned>::iterator I =
+          FuncInfo.ValueMap.find(PHIOp);
+        if (I != FuncInfo.ValueMap.end())
+          Reg = I->second;
+        else {
           assert(isa<AllocaInst>(PHIOp) &&
                  FuncInfo.StaticAllocaMap.count(cast<AllocaInst>(PHIOp)) &&
                  "Didn't codegen value into a register!??");