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authorrdivacky <rdivacky@FreeBSD.org>2010-01-01 10:31:22 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-01-01 10:31:22 +0000
commita16c51cee9225a354c999dd1076d5dba2aa79807 (patch)
treedba00119388b84f9f44e6ec5e9129f807fd79ca3 /lib/Support/SmallVector.cpp
parent40a6fcdb85efd93fe0e36c9552cfb0b18b5eacd6 (diff)
downloadFreeBSD-src-a16c51cee9225a354c999dd1076d5dba2aa79807.zip
FreeBSD-src-a16c51cee9225a354c999dd1076d5dba2aa79807.tar.gz
Update LLVM to 92395.
Diffstat (limited to 'lib/Support/SmallVector.cpp')
-rw-r--r--lib/Support/SmallVector.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/Support/SmallVector.cpp b/lib/Support/SmallVector.cpp
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--- /dev/null
+++ b/lib/Support/SmallVector.cpp
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+//===- 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/ADT/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(size_t MinSizeInBytes, size_t TSize) {
+ size_t CurSizeBytes = size_in_bytes();
+ size_t NewCapacityInBytes = 2 * capacity_in_bytes();
+ 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);
+
+ this->EndX = (char*)NewElts+CurSizeBytes;
+ this->BeginX = NewElts;
+ this->CapacityX = (char*)this->BeginX + NewCapacityInBytes;
+}
+
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