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30232 Commits

Author SHA1 Message Date
Duncan Sands
f4838d90e4 Revert r75581: it causes massive breakage in the Ada 
testsuite, due to exception handling not working
correctly.  Maybe because the libgcc unwinder is
miscompiled - not sure, and I won't have time to
look into it before leaving on holiday.  Note that
miscompilations of libgcc are not picked up by the
nightly testers, because they dynamically link with
libgcc, so pick up the system version rather than
the version built as part of llvm-gcc.  This is a
nasty flaw in the nightly testers.  (On the other
hand the Ada testsuite links with the just built
libgcc).

llvm-svn: 76895
 2009-07-23 19:00:02 +00:00
Daniel Dunbar
4499c47ea4 Switch ValueSymbolTable to StringRef based API. 
llvm-svn: 76894
 2009-07-23 18:52:12 +00:00
Daniel Dunbar
00155504f8 Add llvm::Value::getNameRef, for help in API migration. 
llvm-svn: 76893
 2009-07-23 18:50:53 +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
Evan Cheng
f6b88eae82 Fix up ARM constant island pass for Thumb2. 
Also fixed up code to fully use the SoImm field for ADR on ARM mode.

llvm-svn: 76890
 2009-07-23 18:27:47 +00:00
Evan Cheng
8997f6bfc1 Since we have moved unified assembly, switch to ADR instruction instead of a the difficult-to-read .set + add syntax to materialize pc-relative address. 
Turns out this also fixed a poor code selection on Thumb1. I have no idea why we were using a mov + add to do the same thing as ADR before.

llvm-svn: 76889
 2009-07-23 18:26:03 +00:00
Daniel Dunbar
b5adc13728 Convert StringMap to using StringRef for its APIs. 
- Yay for '-'s and simplifications!

 - I kept StringMap::GetOrCreateValue for compatibility purposes, this can
   eventually go away. Likewise the StringMapEntry Create functions still follow
   the old style.

 - NIFC.

llvm-svn: 76888
 2009-07-23 18:17:34 +00:00
David Goodwin
f3c839e0b9 Fix frame index elimination to correctly handle thumb-2 addressing modes that don't allow negative offsets. During frame elimination convert *i12 opcode to a *i8 when necessary due to a negative offset. 
llvm-svn: 76883
 2009-07-23 17:06:46 +00:00
Andreas Bolka
f0462da445 Cache dependence computation using FoldingSet. 
This introduces an LDA-internal DependencePair class. The intention is,
that this is a place where dependence testers can store various results
such as SCEVs describing conflicting iterations, breaking conditions,
distance/direction vectors, etc.

llvm-svn: 76877
 2009-07-23 14:32:46 +00:00
Evan Cheng
c21e149091 80 col violation. 
llvm-svn: 76872
 2009-07-23 07:58:08 +00:00
Chris Lattner
2ed4453d0e refactor a blob of code out to a new 'FoldOrOfFCmps' function and 
simplify it.

llvm-svn: 76866
 2009-07-23 05:46:22 +00:00
Lang Hames
85f4012739 For real this time: PHI Def & Kill tracking added to PHIElimination. 
llvm-svn: 76865
 2009-07-23 05:44:24 +00:00
Chris Lattner
c687344f0c Make some existing optimizations that would only trigger on scalars 
also apply to vectors.  This allows us to compile this:

#include <emmintrin.h>
__m128i a(__m128 a, __m128 b) { return a==a & b==b; }
__m128i b(__m128 a, __m128 b) { return a!=a | b!=b; }

to:

_a:
	cmpordps	%xmm1, %xmm0
	ret
_b:
	cmpunordps	%xmm1, %xmm0
	ret

with clang instead of to a ton of horrible code.

llvm-svn: 76863
 2009-07-23 05:32:17 +00:00
Chris Lattner
af6fdef894 refactor a bunch of code out into a helper function, 
no functionality change.

llvm-svn: 76859
 2009-07-23 05:14:02 +00:00
Lang Hames
1716e28365 Added PHI Def & Kill tracking to PHIElimination pass. 
llvm-svn: 76849
 2009-07-23 04:34:03 +00:00
Eric Christopher
c9299d5756 Support insertps via the intrinsic and add a couple of simple 
testcases to make sure it's being generated.

llvm-svn: 76843
 2009-07-23 02:22:41 +00:00
Sanjiv Gupta
d62bebab22 Do not call getMangledName on Intrinsics. 
llvm-svn: 76842
 2009-07-23 02:11:04 +00:00
Devang Patel
45ce5c2ac1 MDString 
- Rename member function size(). New name is length().
- Store string beginning and length. Earlier it used to store string end.

llvm-svn: 76841
 2009-07-23 02:00:51 +00:00
Andreas Bolka
b33d956e21 Minor cosmetics: indentation, formatting, naming. 
llvm-svn: 76839
 2009-07-23 01:57:06 +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
Devang Patel
63cece4454 Silence "uninitialized use" warning. 
llvm-svn: 76836
 2009-07-23 01:36:16 +00:00
Devang Patel
6b2162686a Derive MDNode from MetadataBase instead of Constant. Emit MDNodes into METADATA_BLOCK in bitcode file. 
llvm-svn: 76834
 2009-07-23 01:07:34 +00:00
Eric Christopher
973fc2d7ab Fix error message for correct opcode. 
llvm-svn: 76829
 2009-07-23 01:01:32 +00:00
Reid Kleckner
b500f07edf Make the JIT code emitter properly retry and ask for more memory when it runs 
out of memory, and also make the default memory manager allocate more memory
when it runs out.

Also, switch function stubs and global data over to using the BumpPtrAllocator.

This makes it so the JIT no longer mmaps (or the equivalent on Windows) 16 MB
of memory, and instead allocates in 512K slabs.  I suspect this size could go
lower, especially on embedded platforms, now that more slabs can be allocated.

llvm-svn: 76828
 2009-07-23 00:49:59 +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
Chris Lattner
a3b58f4ecd remove SectionFlags::Small: it is only used on Xcore, and we'll find 
a better solution for it in the future.

llvm-svn: 76818
 2009-07-22 23:27:22 +00:00
Dan Gohman
840e7f252e x86 isel tweak: use lea (%reg,%reg) instead of lea (,%reg,2). 
llvm-svn: 76817
 2009-07-22 23:26:55 +00:00
Dan Gohman
001d777207 Rename the new unsigned and signed keywords to nuw and nsw, 
which stand for no-unsigned-wrap and no-signed-wrap.

llvm-svn: 76810
 2009-07-22 22:44:56 +00:00
David Greene
d1f9f45b05 Reorder if-else branches as suggested by Bill. 
llvm-svn: 76808
 2009-07-22 22:32:19 +00:00
David Goodwin
6fa63db9be Fix typo in addrmode definition. 
llvm-svn: 76806
 2009-07-22 22:24:31 +00:00
Evan Cheng
4a77f28c47 Use getTargetConstant instead of getConstant since it's meant as an constant operand. 
llvm-svn: 76803
 2009-07-22 22:03:29 +00:00
David Greene
fede97eac6 Constify the key in Mi2IndexMap. 
llvm-svn: 76801
 2009-07-22 21:56:14 +00:00
Evan Cheng
88dbc00ca7 Ignore undef uses. 
llvm-svn: 76799
 2009-07-22 21:51:42 +00:00
Daniel Dunbar
3119e6a609 Switch some clients to Value::getName(), and other getName() user 
simplification.
 - NFC

llvm-svn: 76789
 2009-07-22 21:33:09 +00:00
Devang Patel
963b3bc974 Fix indentation. 
llvm-svn: 76787
 2009-07-22 21:10:50 +00:00
Daniel Dunbar
0ff394b13d Simplify some uses of Value::getName() 
llvm-svn: 76786
 2009-07-22 21:10:12 +00:00
Daniel Dunbar
51818313fe Remove unnecessary store to temporary std::string. 
llvm-svn: 76782
 2009-07-22 20:46:46 +00:00
David Greene
76d89c51ce Put comment printing under asm-verbose. 
llvm-svn: 76780
 2009-07-22 20:33:26 +00:00
Daniel Dunbar
b6a40026a7 Fix indentation. 
llvm-svn: 76778
 2009-07-22 20:26:37 +00:00
David Greene
7f92a15a4b Make some changes suggested by Bill and Evan. 
llvm-svn: 76775
 2009-07-22 20:08:25 +00:00
Devang Patel
7b31d8224d Fix thinko. 
llvm-svn: 76769
 2009-07-22 18:56:16 +00:00
Devang Patel
04a1939c08 Use isa<> instead of dyn_cast<>. 
llvm-svn: 76767
 2009-07-22 18:35:25 +00:00
Devang Patel
a047636be2 Add replaceAllUsesWith() to FE replace debug info constructs while building complex types. 
llvm-svn: 76765
 2009-07-22 18:23:44 +00:00
Devang Patel
5456f0ba29 Do not print "metadata" twice while printing MDString. 
This fixes unittest failure.

llvm-svn: 76764
 2009-07-22 18:10:23 +00:00
Evan Cheng
ae91b0616b Eliminate a redudant check Eli pointed out. 
llvm-svn: 76762
 2009-07-22 18:08:05 +00:00
Sanjiv Gupta
2168098478 Fixed build warning. No functionality change. 
llvm-svn: 76761
 2009-07-22 17:58:47 +00:00
Devang Patel
5794cb80ad Introduce MetadataBase, a base class for MDString and MDNode. 
Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.

llvm-svn: 76759
 2009-07-22 17:43:22 +00:00
Chris Lattner
573e2cde50 doxygenify 
llvm-svn: 76750
 2009-07-22 16:53:56 +00:00
Duncan Sands
16fd5fb3e8 Add newline at end of file. 
llvm-svn: 76736
 2009-07-22 13:20:41 +00:00