Squashed 'third_party/ntcore_2016/' content from commit d8de5e4
Change-Id: Id4839f41b6a620d8bae58dcf1710016671cc4992
git-subtree-dir: third_party/ntcore_2016
git-subtree-split: d8de5e4f19e612e7102172c0dbf152ce82d3d63a
diff --git a/src/llvm/SmallVector.cpp b/src/llvm/SmallVector.cpp
new file mode 100644
index 0000000..6aa709e
--- /dev/null
+++ b/src/llvm/SmallVector.cpp
@@ -0,0 +1,41 @@
+//===- llvm/ADT/SmallVector.cpp - 'Normally small' vectors ----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the SmallVector class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/SmallVector.h"
+using namespace llvm;
+
+/// grow_pod - This is an implementation of the grow() method which only works
+/// on POD-like datatypes and is out of line to reduce code duplication.
+void SmallVectorBase::grow_pod(void *FirstEl, size_t MinSizeInBytes,
+ size_t TSize) {
+ size_t CurSizeBytes = size_in_bytes();
+ size_t NewCapacityInBytes = 2 * capacity_in_bytes() + TSize; // Always grow.
+ if (NewCapacityInBytes < MinSizeInBytes)
+ NewCapacityInBytes = MinSizeInBytes;
+
+ void *NewElts;
+ if (BeginX == FirstEl) {
+ 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);
+ }
+ assert(NewElts && "Out of memory");
+
+ this->EndX = (char*)NewElts+CurSizeBytes;
+ this->BeginX = NewElts;
+ this->CapacityX = (char*)this->BeginX + NewCapacityInBytes;
+}