Replace (Lower|Upper)caseString in favor of StringRef's newest methods.

[oota-llvm.git] / lib / Support / SmallVector.cpp

diff --git a/lib/Support/SmallVector.cpp b/lib/Support/SmallVector.cpp
index 6821382bb3c3e3fd6daf193b61c4da2e7bc9f21f..a89f14957635e59c120cb1e6155f27db65c6341a 100644 (file)
--- a/lib/Support/SmallVector.cpp
+++ b/lib/Support/SmallVector.cpp
@@ -18,18 +18,21 @@ using namespace llvm;
 /// on POD-like datatypes and is out of line to reduce code duplication.
 void SmallVectorBase::grow_pod(size_t MinSizeInBytes, size_t TSize) {
   size_t CurSizeBytes = size_in_bytes();
-  size_t NewCapacityInBytes = 2 * capacity_in_bytes();
+  size_t NewCapacityInBytes = 2 * capacity_in_bytes() + TSize; // Always grow.
   if (NewCapacityInBytes < MinSizeInBytes)
     NewCapacityInBytes = MinSizeInBytes;
-  void *NewElts = operator new(NewCapacityInBytes);
-  
-  // Copy the elements over.  No need to run dtors on PODs.
-  memcpy(NewElts, this->BeginX, CurSizeBytes);
-  
-  // If this wasn't grown from the inline copy, deallocate the old space.
-  if (!this->isSmall())
-    operator delete(this->BeginX);
-  
+
+  void *NewElts;
+  if (this->isSmall()) {
+    NewElts = malloc(NewCapacityInBytes);
+
+    // Copy the elements over.  No need to run dtors on PODs.
+    memcpy(NewElts, this->BeginX, CurSizeBytes);
+  } else {
+    // If this wasn't grown from the inline copy, grow the allocated space.
+    NewElts = realloc(this->BeginX, NewCapacityInBytes);
+  }
+
   this->EndX = (char*)NewElts+CurSizeBytes;
   this->BeginX = NewElts;
   this->CapacityX = (char*)this->BeginX + NewCapacityInBytes;