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20816 Commits

Author SHA1 Message Date
Anton Korobeynikov
75a3208bb0 Regenerate 
llvm-svn: 44546
 2007-12-03 21:01:29 +00:00
Anton Korobeynikov
dcec56301a Fix fallout from my last patch: don't reject varargs functions :) 
llvm-svn: 44545
 2007-12-03 21:00:45 +00:00
Duncan Sands
1e2e4972ff Rather than having special rules like "intrinsics cannot 
throw exceptions", just mark intrinsics with the nounwind
attribute.  Likewise, mark intrinsics as readnone/readonly
and get rid of special aliasing logic (which didn't use
anything more than this anyway).

llvm-svn: 44544
 2007-12-03 20:06:50 +00:00
Chris Lattner
0c41f32943 update file comment. 
llvm-svn: 44543
 2007-12-03 19:43:18 +00:00
Anton Korobeynikov
3f14aef8e9 Regenerate 
llvm-svn: 44541
 2007-12-03 19:17:47 +00:00
Devang Patel
c47f68e747 If ExitValue operand is also defined in Loop header then 
insert new ExitValue after this operand definition.

This fixes PR1828.

llvm-svn: 44539
 2007-12-03 19:17:21 +00:00
Anton Korobeynikov
a19d61c50e More sanity checks for function types. 
Thanks goes to PyPy folks for generating broken stuff :)

llvm-svn: 44538
 2007-12-03 19:16:54 +00:00
Gordon Henriksen
8ef652160a Applying Anton's binmode fix to the other ofstream too. 
llvm-svn: 44535
 2007-12-03 14:50:37 +00:00
Anton Korobeynikov
2e3b17227f Sorry, typo :) 
llvm-svn: 44534
 2007-12-03 14:35:57 +00:00
Anton Korobeynikov
8c54cc8456 Open output file correctly. This is extremely important for 
windows-based hosts, where files are opened in text mode by default.

llvm-svn: 44533
 2007-12-03 14:28:26 +00:00
Evan Cheng
2f539edfe6 Typo 
llvm-svn: 44532
 2007-12-03 10:00:00 +00:00
Evan Cheng
df066bc833 Update kill info for uses of split intervals. 
llvm-svn: 44531
 2007-12-03 09:58:48 +00:00
Anton Korobeynikov
ad4a61ed0b Provide hook for _alloca to make JITing on Cygwin slightly happier :) 
llvm-svn: 44528
 2007-12-03 05:30:41 +00:00
Evan Cheng
58b387dfb0 Remove redundant foldMemoryOperand variants and other code clean up. 
llvm-svn: 44517
 2007-12-02 08:30:39 +00:00
Duncan Sands
14f11d6836 Integrate the readonly/readnone logic more deeply 
into alias analysis.  This meant updating the API
which now has versions of the getModRefBehavior,
doesNotAccessMemory and onlyReadsMemory methods
which take a callsite parameter.  These should be
used unless the callsite is not known, since in
general they can do a better job than the versions
that take a function.  Also, users should no longer
call the version of getModRefBehavior that takes
both a function and a callsite.  To reduce the
chance of misuse it is now protected.

llvm-svn: 44487
 2007-12-01 07:51:45 +00:00
Evan Cheng
7b13aa1c75 Fix a bug where splitting cause some unnecessary spilling. 
llvm-svn: 44482
 2007-12-01 04:42:39 +00:00
Evan Cheng
79e8b92dc3 Allow some reloads to be folded in multi-use cases. Specifically testl r, r -> cmpl [mem], 0. 
llvm-svn: 44479
 2007-12-01 02:07:52 +00:00
Ted Kremenek
74fcbb87af Fixed subtle bug in Deserializer::JumpTo when jumping when the block-nesting 
information matching did not exactly match the underlying stream's scoping
information.

llvm-svn: 44470
 2007-11-30 22:45:05 +00:00
Evan Cheng
90c548af8e Do not fold reload into an instruction with multiple uses. It issues one extra load. 
llvm-svn: 44467
 2007-11-30 21:23:43 +00:00
Chris Lattner
c75545d4a8 chain update requests properly. 
llvm-svn: 44460
 2007-11-30 18:52:58 +00:00
Duncan Sands
97ddf89236 Small optimization of parameter attribute lookup. 
llvm-svn: 44458
 2007-11-30 18:20:58 +00:00
Duncan Sands
94d751995e Add a convenience method for modifying parameter 
attributes.  While there, I noticed that not all
attribute methods returned a pointer-to-constant,
so I fixed that.

llvm-svn: 44457
 2007-11-30 18:19:18 +00:00
Duncan Sands
8d9be63cd3 Check that there are not more attributes than 
function parameters.

llvm-svn: 44452
 2007-11-30 15:52:20 +00:00
Devang Patel
47b368da69 Provide a way to update DescGlobals cache directly. 
llvm-svn: 44446
 2007-11-30 00:51:33 +00:00
Evan Cheng
9ddd80f2b9 Do not lose rematerialization info when spilling already split live intervals. 
llvm-svn: 44443
 2007-11-29 23:02:50 +00:00
Owen Anderson
3b893e1f84 Fix a miscompilation in spiff on PPC. 
llvm-svn: 44437
 2007-11-29 18:02:22 +00:00
Evan Cheng
cf224f3721 Fix a major performance issue with splitting. If there is a def (not def/use) 
in the middle of a split basic block, create a new live interval starting at
the def. This avoid artifically extending the live interval over a number of
cycles where it is dead. e.g.

bb1:
       = vr1204   (use / kill) <= new interval starts and ends here.
...
...
vr1204 =          (new def)   <= start a new interval here.
       = vr1204   (use)

llvm-svn: 44436
 2007-11-29 10:12:14 +00:00
Evan Cheng
72fe4454e6 Replace the odd kill# hack with something less fragile. 
llvm-svn: 44434
 2007-11-29 09:49:23 +00:00
Duncan Sands
19a1638e99 Small parameter attributes cleanup. 
llvm-svn: 44433
 2007-11-29 08:30:15 +00:00
Evan Cheng
20801d1eb5 Fixed various live interval splitting bugs / compile time issues. 
llvm-svn: 44428
 2007-11-29 01:06:25 +00:00
Evan Cheng
c7959fd80b Kill info update bug. 
llvm-svn: 44427
 2007-11-29 01:05:47 +00:00
Chris Lattner
906683b821 Work around a GCC bug, producing this code: 
unsigned char *llvm_cbe_X;
...
  llvm_cbe_X = 0; *((void**)&llvm_cbe_X) = __builtin_stack_save();

instead of:

  llvm_cbe_X = __builtin_stack_save();

See PR1809 for details.

llvm-svn: 44415
 2007-11-28 21:26:17 +00:00
Chris Lattner
e59a7ee26a Implement ExpandOperationResult for ppc i64 fp->int, which fixes 
CodeGen/Generic/fp_to_int.ll among others.  Its unclear why this 
just started failing...

llvm-svn: 44407
 2007-11-28 18:44:47 +00:00
Chris Lattner
6f1d4fa570 for consistency, allow a fallthrough if the final check returns null. 
llvm-svn: 44406
 2007-11-28 18:30:18 +00:00
Duncan Sands
1b0feb42e2 Add some convenience methods for querying attributes, and 
use them.

llvm-svn: 44403
 2007-11-28 17:07:01 +00:00
Duncan Sands
8f1098fb97 My compiler complains that "x always evaluates to true" 
in this call:

	Result.IntVal = APInt(80, 2, x);

What is x?

	uint16_t x[8];

I deduce that the APInt constructor being used is this one:

  APInt(uint32_t numBits, uint64_t val, bool isSigned = false);

rather than this one:

  APInt(uint32_t numBits, uint32_t numWords, const uint64_t bigVal[]);

That doesn't seem right!  This fix compiles but is otherwise completely
untested.

llvm-svn: 44400
 2007-11-28 10:36:19 +00:00
Duncan Sands
2a1fefa2c2 Add missing newlines at EOF. 
llvm-svn: 44399
 2007-11-28 10:13:38 +00:00
Evan Cheng
05d30e7236 Recover compile time regression. 
llvm-svn: 44386
 2007-11-28 01:28:46 +00:00
Owen Anderson
2b9b50b985 Add MachineLoopInfo. This is not yet tested. 
llvm-svn: 44384
 2007-11-27 22:47:08 +00:00
Chris Lattner
706eb604ae several entries got significantly better, though they still aren't done. 
llvm-svn: 44382
 2007-11-27 22:41:52 +00:00
Chris Lattner
d2ee2dad04 implement a trivial readme entry. 
llvm-svn: 44380
 2007-11-27 22:36:16 +00:00
Chris Lattner
5e0cabc90e Fix a crash on invalid code due to memcpy lowering. 
llvm-svn: 44378
 2007-11-27 22:14:42 +00:00
Chris Lattner
fc5fe96a52 Make this actually work on systems that support ppc long double. 
llvm-svn: 44374
 2007-11-27 20:45:25 +00:00
Chris Lattner
b2e4222965 Unbreak all of the darwin/ppc32 JIT failures having to do 
with not being able to find printf.

llvm-svn: 44373
 2007-11-27 20:41:32 +00:00
Nate Begeman
4278967588 Support returning non-power-of-2 vectors to unblock some work 
llvm-svn: 44371
 2007-11-27 19:28:48 +00:00
Andrew Lenharth
6e449dc482 something wrong with this opt 
llvm-svn: 44370
 2007-11-27 18:31:30 +00:00
Chris Lattner
0f7f6b0f63 Unbreak backwards compatibility with bytecode format. Regression 
introduced by this patch:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071126/055824.html

llvm-svn: 44364
 2007-11-27 17:48:06 +00:00
Duncan Sands
3602011bec Fix PR1146: parameter attributes are longer part of 
the function type, instead they belong to functions
and function calls.  This is an updated and slightly
corrected version of Reid Spencer's original patch.
The only known problem is that auto-upgrading of
bitcode files doesn't seem to work properly (see
test/Bitcode/AutoUpgradeIntrinsics.ll).  Hopefully
a bitcode guru (who might that be? :) ) will fix it.

llvm-svn: 44359
 2007-11-27 13:23:08 +00:00
Chris Lattner
ab5cd0b1c5 err, no really. 
llvm-svn: 44352
 2007-11-27 06:14:32 +00:00
Chris Lattner
a2be558b75 don't depend on ADL. 
llvm-svn: 44351
 2007-11-27 06:14:12 +00:00