Reduce the size of the Parts vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55483 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 34878f34425cc3768bdd6809a9d455ff15425271..2f43222760c37f89e9eced8cdb068a8cc851d05a 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -4014,7 +4014,7 @@ SDValue RegsForValue::getCopyFromRegs(SelectionDAG &DAG,
     unsigned NumRegs = TLI->getNumRegisters(ValueVT);
     MVT RegisterVT = RegVTs[Value];
 
-    Parts.resize(Part + NumRegs);
+    Parts.resize(NumRegs);
     for (unsigned i = 0; i != NumRegs; ++i) {
       SDValue P;
       if (Flag == 0)
@@ -4067,12 +4067,13 @@ SDValue RegsForValue::getCopyFromRegs(SelectionDAG &DAG,
         }
       }
       
-      Parts[Part+i] = P;
+      Parts[i] = P;
     }
   
-    Values[Value] = getCopyFromParts(DAG, &Parts[Part], NumRegs, RegisterVT,
+    Values[Value] = getCopyFromParts(DAG, Parts.begin(), NumRegs, RegisterVT,
                                      ValueVT);
     Part += NumRegs;
+    Parts.clear();
   }
 
   return DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], ValueVTs.size()),