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Author SHA1 Message Date
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
John Criswell
d738a457fb Fixed typo. 
llvm-svn: 44542
 2007-12-03 19:34:25 +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
Chris Lattner
fc436dc3e2 Describe the notion of 'owners' of the code. 
llvm-svn: 44537
 2007-12-03 19:00:47 +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
Nick Lewycky
2a47f26d66 lli -trace was removed back in 2003. 
llvm-svn: 44527
 2007-12-03 01:58:01 +00:00
Nick Lewycky
2127c03226 Type::IntTy hasn't existed for a while. Just sub in Type::Int32Ty. 
llvm-svn: 44526
 2007-12-03 01:52:52 +00:00
Chris Lattner
f1b56a7b2c explain what I need to grant commit access. 
llvm-svn: 44524
 2007-12-03 00:36:20 +00:00
Chris Lattner
76c4290c55 fix typo noticed by Joshua Pennington 
llvm-svn: 44522
 2007-12-02 22:46:01 +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
Gordon Henriksen
a01c1e3dd5 Adding ocamldoc-style comments for the Ocaml bindings. 
llvm-svn: 44494
 2007-12-01 21:01:15 +00:00
Gordon Henriksen
c52a9a365e Fix a typo noticed by Alain Frisch. 
llvm-svn: 44493
 2007-12-01 20:59:23 +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
Owen Anderson
37a1ebc6a3 Fixes for MachineLoopInfo, mostly from Evan. With these, it should be almost useable! 
llvm-svn: 44480
 2007-12-01 03:01:39 +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
Eric Christopher
38baa024f5 Add target triple to include/llvm/Config/config.h.in. Regenerate all files. 
llvm-svn: 44478
 2007-12-01 00:34:39 +00:00
Devang Patel
78267aca13 Change LinkTimeOptimizer.h install location. 
llvm-svn: 44477
 2007-12-01 00:24:50 +00:00
Devang Patel
cf59cd82d5 Change lib lto install location. 
llvm-svn: 44476
 2007-11-30 23:27:57 +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
Ted Kremenek
994b0d4b1a Fixed potential bug where CurWord is not zeroed out in JumpToBit. 
llvm-svn: 44469
 2007-11-30 22:39:46 +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
1aa45b56a3 Update tests. 
llvm-svn: 44435
 2007-11-29 10:03:54 +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
Chris Lattner
2190758012 Pass the whole StringMapEntry into StringMapEntryInitializer::Initialize. 
llvm-svn: 44432
 2007-11-29 06:14:41 +00:00
Chris Lattner
5d29c4130c provide an optional API to allow datatypes in a stringmap to be *gasp* 
initialized with a value if they want, by specializing the 
StringMapEntryInitializer class.

llvm-svn: 44430
 2007-11-29 06:04:41 +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
79cd8c14c5 New testcase for PR1744 
llvm-svn: 44418
 2007-11-28 22:43:34 +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
0c1478dac1 Add a note 
llvm-svn: 44414
 2007-11-28 19:26:42 +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