[llvm-commits] CVS: llvm/lib/VMCore/Constants.cpp

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

Constants.cpp updated: 1.28 -> 1.29

---
Log message:

Fix bug: Assembler/2002-10-08-LargeArrayPerformance.ll by using 
std::vector::reserve when possible



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Diffs of the changes:

Index: llvm/lib/VMCore/Constants.cpp
diff -u llvm/lib/VMCore/Constants.cpp:1.28 llvm/lib/VMCore/Constants.cpp:1.29
--- llvm/lib/VMCore/Constants.cpp:1.28	Fri Sep 13 17:24:57 2002
+++ llvm/lib/VMCore/Constants.cpp	Tue Oct  8 18:33:52 2002
@@ -191,7 +191,8 @@
 
 ConstantArray::ConstantArray(const ArrayType *T,
                              const std::vector<Constant*> &V) : Constant(T) {
-  for (unsigned i = 0; i < V.size(); i++) {
+  Operands.reserve(V.size());
+  for (unsigned i = 0, e = V.size(); i != e; ++i) {
     assert(V[i]->getType() == T->getElementType());
     Operands.push_back(Use(V[i], this));
   }
@@ -202,7 +203,8 @@
   const StructType::ElementTypes &ETypes = T->getElementTypes();
   assert(V.size() == ETypes.size() &&
          "Invalid initializer vector for constant structure");
-  for (unsigned i = 0; i < V.size(); i++) {
+  Operands.reserve(V.size());
+  for (unsigned i = 0, e = V.size(); i != e; ++i) {
     assert(V[i]->getType() == ETypes[i]);
     Operands.push_back(Use(V[i], this));
   }