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24 Commits

Author SHA1 Message Date
Bill Wendling
921cd93e85 Temporarily revert r93581. It was causing failures in the ExecutionEngine tests 
on the build bots.

llvm-svn: 93606
 2010-01-16 01:06:58 +00:00
Ted Kremenek
bb1779e022 BumpPtrAllocator: Have the DefaultSlabAllocator created at runtime, not initialization time. This removes one of the 'init_constructors' reported in <rdar://problem/7545356>. 
llvm-svn: 93581
 2010-01-15 23:29:34 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Evan Cheng
3044911225 Make sure the memory range is writable before memset'ing it. 
llvm-svn: 81308
 2009-09-09 01:45:24 +00:00
Reid Kleckner
b159a2bad6 Added a test and fixed a bug in BumpPtrAllocator relating to large alignment 
values.  Hopefully this fixes PR4622.

llvm-svn: 77088
 2009-07-25 21:26:02 +00:00
Daniel Dunbar
5895c5adf3 Switch to raw_ostream. 
llvm-svn: 76943
 2009-07-24 04:01:01 +00:00
Reid Kleckner
5a7816053e Re-committing changes from r76825 to BumpPtrAllocator with a fix and tests for 
an off-by-one error.

llvm-svn: 76891
 2009-07-23 18:34:13 +00:00
Reid Kleckner
6f9bf7f028 Reverting r76825 and r76828, since they caused clang runtime errors and some build failure involving memset. 
llvm-svn: 76838
 2009-07-23 01:40:54 +00:00
Zhongxing Xu
cd7c9007d1 add header for 'memset'. 
llvm-svn: 76837
 2009-07-23 01:38:47 +00:00
Reid Kleckner
4c892c05ec Parameterize the BumpPtrAllocator over a slab allocator. It defaults to using 
malloc, so there should be no functional changes to other code.

These changes are necessary since I have plans to use this allocator in the JIT
memory manager, and it needs a special allocator.

I also added some tests which helped me pinpoint some bugs.

llvm-svn: 76825
 2009-07-23 00:30:41 +00:00
Dan Gohman
9653b21dc2 Fold the useful features of alist and alist_node into ilist, and 
a new ilist_node class, and remove them. Unlike alist_node,
ilist_node doesn't attempt to manage storage itself, so it avoids
the associated problems, including being opaque in gdb.

Adjust the Recycler class so that it doesn't depend on alist_node.
Also, change it to use explicit Size and Align parameters, allowing
it to work when the largest-sized node doesn't have the greatest
alignment requirement.

Change MachineInstr's MachineMemOperand list from a pool-backed
alist to a std::list for now.

llvm-svn: 54146
 2008-07-28 21:51:04 +00:00
Dan Gohman
60e964b34c Add some basic Pool-allocation infrastructure. This adds a Recycler class, 
for handling bookkeeping for deleted objects, as well as the alist class
template, for keeping lists of objects allocated from Recyclers, and some
related utilities.

llvm-svn: 53210
 2008-07-07 22:58:06 +00:00
Evan Cheng
d9353009b7 Fix more -Wshorten-64-to-32 warnings. 
llvm-svn: 50659
 2008-05-05 18:30:58 +00:00
Dan Gohman
e921f90c15 Fix a pointer-arithmetic bug that caused 64-bit host pointer values to 
be truncated to 32 bits. This fixes the recent Benchmarks/McCat/09-vor
regression on x86-64, among other things.

llvm-svn: 50372
 2008-04-28 20:25:15 +00:00
Ted Kremenek
f1304a3762 Bug fix in BumpPtrAllocator: don't assume that all objects have the same alignment. "Bump" of the pointer for the next allocated object to be of the specified alignment. 
llvm-svn: 50362
 2008-04-28 17:58:07 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Evan Cheng
e6c68e7668 Smarter Reset(). Instead of deallocating all memory regions and reallocate the 
first region, just deallocate all but the last region in the list.

llvm-svn: 41782
 2007-09-08 00:02:17 +00:00
Evan Cheng
5977c55f5d Added Reset() to free all allocated memory regions and reset state to be the same as right after ctor. 
llvm-svn: 41728
 2007-09-05 21:41:34 +00:00
Chris Lattner
042d3195c9 Avoid TBAA issue. 
llvm-svn: 34539
 2007-02-23 22:31:24 +00:00
Bill Wendling
fe0af72bc4 Don't use <sstream> in Streams.h but <iosfwd> instead. 
llvm-svn: 32340
 2006-12-07 23:41:45 +00:00
Bill Wendling
a3246c4272 Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are 
now cerr, cout, and NullStream resp.

llvm-svn: 32298
 2006-12-07 01:30:32 +00:00
Bill Wendling
d933b6630c Removed #include <iostream> and replace with llvm_* streams. 
llvm-svn: 31927
 2006-11-26 10:52:51 +00:00
John Criswell
335eb0232a Include llvm/Support/DataTypes.h to define intptr_t. 
This fixes the build on OpenBSD and potentially other systems.

llvm-svn: 31550
 2006-11-08 15:04:35 +00:00
Chris Lattner
6a498a7658 Add a new llvm::Allocator abstraction, which will be used by a container 
I'm about to add.  This is similar to, but necessarily different than, the
STL allocator class.

llvm-svn: 31285
 2006-10-29 22:08:03 +00:00