Benjamin Kramer 82d96cccbc Grow BumpPtrAllocator's slab size dynamically if we allocated many slabs. This ...

reduces the amount of malloc calls and may reduce memory overhead.

Some numbers:
ASTContext stats, clang -cc1 -disable-free -fsyntax-only Cocoa_h.m
without dynamic growth                          |  with dynamic growth
Number of memory regions: 3158                  |  Number of memory regions: 432
Bytes used: 12333185                            |  Bytes used: 12333185
Bytes allocated: 12935168                       |  Bytes allocated: 12800000
Bytes wasted: 601983 (includes alignment, etc)  |  Bytes wasted: 466815 (includes alignment, etc)

ASTContext stats, clang -cc1 -disable-free -fsyntax-only on clang's ASTReader.cpp
without dynamic growth                          |  with dynamic growth
Number of memory regions: 10987                 |  Number of memory regions: 551
Bytes used: 42910356                            |  Bytes used: 42910356
Bytes allocated: 45002752                       |  Bytes allocated: 44711936
Bytes wasted: 2092396 (includes alignment, etc) |  Bytes wasted: 1801580 (includes alignment, etc)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115151 91177308-0d34-0410-b5e6-96231b3b80d8

2010-09-30 16:18:28 +00:00

..

Allocator.cpp

Grow BumpPtrAllocator's slab size dynamically if we allocated many slabs. This

2010-09-30 16:18:28 +00:00

APFloat.cpp

Do not assert when reading an exponent out of range.

2010-08-19 17:58:35 +00:00

APInt.cpp

stomp some more undefined behavior, PR7775.

2010-08-18 00:33:47 +00:00

APSInt.cpp

…

circular_raw_ostream.cpp

clean this up, fix std::min ambiguity on some platforms.

2010-04-09 20:43:54 +00:00

CMakeLists.txt

Removed a bunch of unnecessary target_link_libraries.

2010-09-28 22:39:14 +00:00

CommandLine.cpp

Add new configure option, --disable-timestamps, intended to turn off anything which would mess up binary/object comparisons. Currently:

2010-05-10 20:11:56 +00:00

ConstantRange.cpp

Make ConstantRange::makeICmpRegion handle all the edge cases properly. This

2010-09-28 18:18:36 +00:00

COPYRIGHT.regex

…

CrashRecoveryContext.cpp

CrashRecovery: Clear the current context on the first crash, to avoid re-entering it if the cleanup code crashes.

2010-08-17 22:32:39 +00:00

DAGDeltaAlgorithm.cpp

Use const_iterator where appropriate.

2010-06-08 17:21:57 +00:00

Debug.cpp

Fix a bunch of namespace polution.

2010-04-15 17:08:50 +00:00

DeltaAlgorithm.cpp

DeltaAlgorithm: Tweak split to split by first/second half instead of even/odd, since adjacent changes are more likely to be related.

2010-06-08 16:21:26 +00:00

Dwarf.cpp

Add the entire range of DW_OP_lit[0..31], DW_OP_reg[0..31], and

2010-06-17 01:23:24 +00:00

ErrorHandling.cpp

Some versions of gcc still warn about "ignoring return value ... declared

2010-09-16 08:20:49 +00:00

FileUtilities.cpp

fpcmp: Fix bug where fpcmp wouldn't early exit when files obviously differ and

2010-06-15 19:20:30 +00:00

FoldingSet.cpp

Use Bits.data() instead of &Bits[0].

2010-08-24 23:16:53 +00:00

FormattedStream.cpp

Make tool_output_file's raw_ostream instance a member variable instead

2010-09-01 14:20:41 +00:00

GraphWriter.cpp

Delete an unused declaration.

2010-09-27 16:54:49 +00:00

IsInf.cpp

…

IsNAN.cpp

…

Makefile

…

ManagedStatic.cpp

…

MemoryBuffer.cpp

Rewrite MemoryBuffer::getSTDIN to use read(2) and a SmallVector buffer.

2010-06-25 16:07:18 +00:00

MemoryObject.cpp

…

PluginLoader.cpp

…

PrettyStackTrace.cpp

Fix a couple of warnings.

2010-08-08 00:00:34 +00:00

raw_os_ostream.cpp

Make some methods const. The only interesting change here is that

2009-12-19 01:38:42 +00:00

raw_ostream.cpp

Make tool_output_file's raw_ostream instance a member variable instead

2010-09-01 14:20:41 +00:00

regcclass.h

…

regcname.h

…

regcomp.c

…

regengine.inc

Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free.

2010-04-08 15:25:57 +00:00

regerror.c

…

regex2.h

…

regex_impl.h

…

Regex.cpp

Don't pass StringRef by reference.

2010-07-14 22:38:02 +00:00

regexec.c

Push const through the regex engine. Fixes some of the warnings in PR6616.

2010-04-05 17:50:20 +00:00

regfree.c

…

regstrlcpy.c

…

regutils.h

…

SmallPtrSet.cpp

Rather than giving SmallPtrSetImpl a member field SmallArray which is magically

2010-06-30 15:02:37 +00:00

SmallVector.cpp

After some discussion with djg, teach SmallVector to grow from a zero

2010-09-02 21:55:03 +00:00

SourceMgr.cpp

Push twines deeper into SourceMgr's error handling methods.

2010-09-27 17:42:11 +00:00

Statistic.cpp

remove trailing whitespace

2010-08-17 17:37:22 +00:00

StringExtras.cpp

Fix refacto reported by Nicolas Geoffray.

2010-01-18 12:40:05 +00:00

StringMap.cpp

Pass StringRef by value.

2009-11-06 10:58:06 +00:00

StringPool.cpp

Don't pass StringRef by reference.

2010-07-14 22:38:02 +00:00

StringRef.cpp

StringRef::compare_numeric also differed from StringRef::compare for characters > 127.

2010-08-26 15:25:35 +00:00

SystemUtils.cpp

Use the FindProgramByName fallback only with known absolute paths.

2010-09-02 22:32:38 +00:00

TargetRegistry.cpp

…

Timer.cpp

Roll back my last two commits, valgrind complains.

2010-08-07 13:27:41 +00:00

Triple.cpp

Add better support for environment portion of triple. Original patch by

2010-09-16 08:25:48 +00:00

Twine.cpp

Implement rdar://7415680 - Twine integer support lacks greatness

2010-05-05 18:40:33 +00:00