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Author SHA1 Message Date
Duncan Sands
a3355ffb3d 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44544 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 20:06:50 +00:00
Chris Lattner
4cf4b69330 update file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44543 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 19:43:18 +00:00
Anton Korobeynikov
c36284e93a Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44541 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 19:17:47 +00:00
Devang Patel
5ffdc56f53 If ExitValue operand is also defined in Loop header then 
insert new ExitValue after this operand definition.

This fixes PR1828.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44539 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 19:17:21 +00:00
Anton Korobeynikov
c1d848dd11 More sanity checks for function types. 
Thanks goes to PyPy folks for generating broken stuff :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44538 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 19:16:54 +00:00
Gordon Henriksen
94007ec7da Applying Anton's binmode fix to the other ofstream too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44535 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 14:50:37 +00:00
Anton Korobeynikov
3194012664 Sorry, typo :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44534 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 14:35:57 +00:00
Anton Korobeynikov
037dd942c9 Open output file correctly. This is extremely important for 
windows-based hosts, where files are opened in text mode by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44533 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 14:28:26 +00:00
Evan Cheng
31d43183a4 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44532 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 10:00:00 +00:00
Evan Cheng
70306f8348 Update kill info for uses of split intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44531 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 09:58:48 +00:00
Anton Korobeynikov
96ea209b52 Provide hook for _alloca to make JITing on Cygwin slightly happier :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44528 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-03 05:30:41 +00:00
Evan Cheng
aee4af68ae Remove redundant foldMemoryOperand variants and other code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44517 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-02 08:30:39 +00:00
Duncan Sands
dff6710717 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44487 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-01 07:51:45 +00:00
Evan Cheng
e3110d0825 Fix a bug where splitting cause some unnecessary spilling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-01 04:42:39 +00:00
Evan Cheng
e62f97c094 Allow some reloads to be folded in multi-use cases. Specifically testl r, r -> cmpl [mem], 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44479 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-01 02:07:52 +00:00
Ted Kremenek
f64903b7d8 Fixed subtle bug in Deserializer::JumpTo when jumping when the block-nesting 
information matching did not exactly match the underlying stream's scoping
information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 22:45:05 +00:00
Evan Cheng
cddbb83ea8 Do not fold reload into an instruction with multiple uses. It issues one extra load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44467 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 21:23:43 +00:00
Chris Lattner
cd883f203d chain update requests properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44460 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 18:52:58 +00:00
Duncan Sands
6bb0ae4711 Small optimization of parameter attribute lookup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44458 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 18:20:58 +00:00
Duncan Sands
757d243167 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44457 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 18:19:18 +00:00
Duncan Sands
a8b974648f Check that there are not more attributes than 
function parameters.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44452 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 15:52:20 +00:00
Devang Patel
962e0750a5 Provide a way to update DescGlobals cache directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44446 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-30 00:51:33 +00:00
Evan Cheng
cb3c330d39 Do not lose rematerialization info when spilling already split live intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44443 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 23:02:50 +00:00
Owen Anderson
1fb136464d Fix a miscompilation in spiff on PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44437 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 18:02:22 +00:00
Evan Cheng
1953d0cb7d 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)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44436 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 10:12:14 +00:00
Evan Cheng
c3fc7d9ec9 Replace the odd kill# hack with something less fragile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44434 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 09:49:23 +00:00
Duncan Sands
fd8890dbee Small parameter attributes cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44433 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 08:30:15 +00:00
Evan Cheng
0cbb1164b3 Fixed various live interval splitting bugs / compile time issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44428 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 01:06:25 +00:00
Evan Cheng
c3868e04bf Kill info update bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44427 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-29 01:05:47 +00:00
Chris Lattner
4045e6db8c 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 21:26:17 +00:00
Chris Lattner
1f87300326 Implement ExpandOperationResult for ppc i64 fp->int, which fixes 
CodeGen/Generic/fp_to_int.ll among others.  Its unclear why this 
just started failing...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44407 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 18:44:47 +00:00
Chris Lattner
5e037fce2b for consistency, allow a fallthrough if the final check returns null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44406 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 18:30:18 +00:00
Duncan Sands
afa3b6da11 Add some convenience methods for querying attributes, and 
use them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44403 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 17:07:01 +00:00
Duncan Sands
dd65a73af4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44400 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 10:36:19 +00:00
Duncan Sands
0a488b320c Add missing newlines at EOF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44399 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 10:13:38 +00:00
Evan Cheng
cada245d06 Recover compile time regression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44386 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-28 01:28:46 +00:00
Owen Anderson
e4ad9c70e4 Add MachineLoopInfo. This is not yet tested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 22:47:08 +00:00
Chris Lattner
a3f61df4ff several entries got significantly better, though they still aren't done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44382 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 22:41:52 +00:00
Chris Lattner
f1b1c5ed1a implement a trivial readme entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 22:36:16 +00:00
Chris Lattner
789db09cde Fix a crash on invalid code due to memcpy lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44378 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 22:14:42 +00:00
Chris Lattner
a8d700138a Make this actually work on systems that support ppc long double. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44374 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 20:45:25 +00:00
Chris Lattner
1c8f374a3b Unbreak all of the darwin/ppc32 JIT failures having to do 
with not being able to find printf.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 20:41:32 +00:00
Nate Begeman
d73ab8884f Support returning non-power-of-2 vectors to unblock some work 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 19:28:48 +00:00
Andrew Lenharth
19914ed97f something wrong with this opt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44370 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 18:31:30 +00:00
Chris Lattner
a1afde77fa 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44364 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 17:48:06 +00:00
Duncan Sands
dc024674ff 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 13:23:08 +00:00
Chris Lattner
b3d9cdb677 err, no really. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 06:14:32 +00:00
Chris Lattner
5ebfaa2c9d don't depend on ADL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 06:14:12 +00:00
Owen Anderson
d735ee85db Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-27 03:43:35 +00:00
Dan Gohman
77003040b2 Don't lower srem/urem X%C to X-X/C*C unless the division is actually 
optimized. This avoids creating illegal divisions when the combiner is
running after legalize; this fixes PR1815. Also, it produces better
code in the included testcase by avoiding the subtract and multiply
when the division isn't optimized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44341 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-26 23:46:11 +00:00