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26314 Commits

Author SHA1 Message Date
Evan Cheng 1b200574ad Add a comment. 
llvm-svn: 29889
 2006-08-25 23:29:06 +00:00
Jim Laskey fb96c74874 Tidy up. 
llvm-svn: 29888
 2006-08-25 22:56:30 +00:00
Owen Anderson 403b95af47 Fix a crash related to updating Phi nodes in the original header block. This was 
causing a crash in 175.vpr

llvm-svn: 29887
 2006-08-25 22:13:55 +00:00
Owen Anderson 8e4b029573 Add an assertion to check that we're really preserving LCSSA. 
llvm-svn: 29886
 2006-08-25 22:12:36 +00:00
Evan Cheng d7572fb234 Encode pc-relative conditional branch offset as pc+(num of bytes / 4). The 
asm printer will print it as offset*4. e.g. bne cr0, $+8.

The PPC code emitter was expecting the offset to be number of instructions, not
number of bytes. This fixes a whole bunch of JIT failures.

llvm-svn: 29885
 2006-08-25 21:54:44 +00:00
Reid Spencer 50eac3b8ab For PR797: 
Make the Win32 code exception free (untested/uncompiled) which forced some
interface changes which had ripple effect. This should be the last of 797.

llvm-svn: 29884
 2006-08-25 21:37:17 +00:00
Reid Spencer 0b6396c6b3 Doh! Commit the change that turns ON -fno-exceptions. 
llvm-svn: 29883
 2006-08-25 20:56:59 +00:00
Reid Spencer 51e6f68b47 For PR797: 
Final commit for this bug. This removes the last EH holdouts in LLVM
and turns off exception support by using the -fno-exceptions option. This
leads to the following reduction in library and executable sizes:
                DEBUG BUILD                RELEASE BUILD
         before     after   delta     before   after    delta
lib    162,328K  157,616K   4,712    17,864K  16,416K  1,448K
bin    571,444K  557,156K  14,288    63,296K   56,996K 6,300K

Debug   Improvement: 19,000K (2.59%)
Release Improvement:  7,748K (9.55%)

llvm-svn: 29882
 2006-08-25 19:54:53 +00:00
Jim Laskey 92206f9404 Consolidate callee saved register information so that it can me used by debug 
information and exception handling.

llvm-svn: 29881
 2006-08-25 19:45:51 +00:00
Jim Laskey d51ce619c3 Fix some comments. 
llvm-svn: 29880
 2006-08-25 19:40:59 +00:00
Jim Laskey f8bf1e6034 Allow for register numbers > 31. 
llvm-svn: 29879
 2006-08-25 19:39:52 +00:00
Rafael Espindola 9a173c937a test case for varargs functions 
llvm-svn: 29877
 2006-08-25 17:57:36 +00:00
Rafael Espindola 98dc23fd1f use @ for comments 
store LR in an arbitrary stack slot
add support for writing varargs functions

llvm-svn: 29876
 2006-08-25 17:55:16 +00:00
Reid Spencer f25aebf8cf For PR797: 
Remove exception throwing/handling from lib/Bytecode, and adjust its users
to compensate for changes in the interface.

llvm-svn: 29875
 2006-08-25 17:43:11 +00:00
Owen Anderson 8cca95cf5d Reapply the indvars patch, since nothing blew up last night. 
llvm-svn: 29874
 2006-08-25 17:41:25 +00:00
Chris Lattner 537b547468 Fix a race condition in the makefile that broke grawp's tester last night. 
llvm-svn: 29873
 2006-08-25 17:15:23 +00:00
Jim Laskey e9764314fb Bring Xcode project up to date. 
llvm-svn: 29872
 2006-08-25 14:16:49 +00:00
Nate Begeman 89fa9c7d65 Get closer to handling globals correctly. We now generally get them in the 
right section.

llvm-svn: 29871
 2006-08-25 06:36:58 +00:00
Reid Spencer 84f4e1f776 Fix a bug introduced by a change in the Archive::writeToDisk interface. 
llvm-svn: 29870
 2006-08-25 05:29:36 +00:00
Reid Spencer 93a2acf7bc Fix a bug caused by change in the interface of Archive::writeToDisk. 
llvm-svn: 29869
 2006-08-25 05:28:17 +00:00
Owen Anderson 94446a4267 Revert my previous patch. Since there are some major changes that went in today, 
I'm going to wait to put this in HEAD until tomorrow, so as not to clutter the nightly
tester.

llvm-svn: 29868
 2006-08-25 03:45:57 +00:00
Owen Anderson 15a6423431 Specify that indvars actually preserve LCSSA. This has been done for a while, but I 
forgot to put in the analysis usage.

llvm-svn: 29867
 2006-08-25 03:32:13 +00:00
Reid Spencer ec0f205dc1 For PR797: 
Remove exception handling from the bytecode archiver and adjust the llvm-ar
tool to accommodate the new interfaces.

llvm-svn: 29866
 2006-08-24 23:45:08 +00:00
Chris Lattner 24d4208c97 When replacing value numbers, make sure to compactify the value # space. 
llvm-svn: 29865
 2006-08-24 23:22:59 +00:00
Chris Lattner ac40a81253 We compile this into: 
_swap_16:
        slwi r2, r3, 24
        rlwimi r2, r3, 8, 8, 15
        srwi r3, r2, 16
        blr

now.

llvm-svn: 29864
 2006-08-24 23:06:02 +00:00
Chris Lattner fb6bc15d5d Owen implemented this. 
llvm-svn: 29863
 2006-08-24 23:03:33 +00:00
Chris Lattner bdf121060c Take advantage of the recent improvements to the liveintervals set (tracking 
instructions which define each value#) to simplify and improve the coallescer.
In particular, this patch:

1. Implements iterative coallescing.
2. Reverts an unsafe hack from handlePhysRegDef, superceeding it with a
   better solution.
3. Implements PR865, "coallescing" away the second copy in code like:

   A = B
   ...
   B = A

This also includes changes to symbolically print registers in intervals
when possible.

llvm-svn: 29862
 2006-08-24 22:43:55 +00:00
Reid Spencer 917cf12928 For PR738: 
Demote check for bison from error to warning and make sure that the
makefile can handle an empty definition for BISON variable.

llvm-svn: 29861
 2006-08-24 22:41:20 +00:00
Reid Spencer a38aa72771 Remove a character to avoid line exceeding 80 cols. 
llvm-svn: 29860
 2006-08-24 22:39:25 +00:00
Owen Anderson e001d811ba Implement unrolling of multiblock loops. This significantly improves the 
utility of the LoopUnroll pass.

Also, add a testcase for multiblock-loop unrolling.

llvm-svn: 29859
 2006-08-24 21:28:19 +00:00
Reid Spencer b5d6b8f26d For PR797: 
Adjust implementation to match the new interface after exception handling
was removed in the Unix verison. NOTE: this hasn't been compiled yet!

llvm-svn: 29858
 2006-08-24 18:58:37 +00:00
Rafael Espindola 29e4875f57 add the "eq" condition code 
implement a movcond instruction

llvm-svn: 29857
 2006-08-24 17:19:08 +00:00
Rafael Espindola fe03fe9bf4 create a generic bcond instruction that has a conditional code argument 
llvm-svn: 29856
 2006-08-24 16:13:15 +00:00
Reid Spencer 8e8ffce411 Remove a FIXME. Don't use strlcpy that isn't available on non-BSD platforms 
and ensure that a memory overrun won't occur while still writing Length
bytes in the outstring function.

llvm-svn: 29855
 2006-08-24 14:25:39 +00:00
Rafael Espindola e08b9853cc initial support for branches 
llvm-svn: 29854
 2006-08-24 13:45:55 +00:00
Chris Lattner 38d838b99d update some comments 
llvm-svn: 29853
 2006-08-24 00:21:32 +00:00
Nate Begeman d88b6437af Correctly attribute file author & remote tabs 
llvm-svn: 29852
 2006-08-23 21:33:27 +00:00
Nate Begeman a147cbfa21 Make sure that both non-asm file types are marked as experimental 
llvm-svn: 29851
 2006-08-23 21:29:52 +00:00
Nate Begeman 3cb3921a60 Initial checkin of the Mach-O emitter. There's plenty of fixmes, but it 
does emit linkable .o files in very simple cases.

llvm-svn: 29850
 2006-08-23 21:08:52 +00:00
Reid Spencer 2fe39fea85 For PR797: 
This library no longer throws nor handles exceptions, so turn off the
REQUIRES_EH flag.

llvm-svn: 29849
 2006-08-23 20:39:25 +00:00
Reid Spencer d62a96323d For PR797: 
Final remove of exception handling from this file. lib/System can no longer
throw exceptions so there's no need for try/catch blocks here.

llvm-svn: 29848
 2006-08-23 20:37:59 +00:00
Reid Spencer dd27929918 Turn off exception handling for this library. It no longer throws nor 
handles exceptions.

llvm-svn: 29847
 2006-08-23 20:35:51 +00:00
Reid Spencer e4ca722199 For PR797: 
Final removal of exceptions from lib/System and adjustment of users to
accommodate.

llvm-svn: 29846
 2006-08-23 20:34:57 +00:00
Reid Spencer 543cc0a2bc Fix constructor documentation. 
llvm-svn: 29845
 2006-08-23 17:43:20 +00:00
Devang Patel 663a005fba If unable to create tmp. file on disk then return LTO_WRITE_FAILURE status. 
llvm-svn: 29844
 2006-08-23 16:59:25 +00:00
Reid Spencer 879ed5ab9c For PR797: 
Eliminate exception throwing from Path::renamePathOnDisk and adjust its
users correspondingly.

llvm-svn: 29843
 2006-08-23 07:30:48 +00:00
Reid Spencer bd156a901d Make the ProgramName variable a std::string so we can eliminate the path 
portion fo the program name via sys::Path().getLast(). This makes error
messages more readable since this is invariably used only in error
messages.  Instead of:
  /path/to/llvm/bin/directory/toolname: error message
we will now get:
  toolname: error message
Also, since we always have a program name (even if its defaulted), don't
check to see if it is set or not when generating error messages. This
eliminates a bunch of constant strings, saving a little under 1K of data.

llvm-svn: 29842
 2006-08-23 07:10:06 +00:00
Reid Spencer 51edba15c6 For PR797: 
Remove exception throwing from Path::getDirectoryContents and its users.

llvm-svn: 29841
 2006-08-23 06:56:27 +00:00
Reid Spencer 8db844241b For PR797: 
Remove exceptions from the Path::create*OnDisk methods. Update their users
to handle error messages via arguments and result codes.

llvm-svn: 29840
 2006-08-23 00:39:35 +00:00
Reid Spencer 3376c6d8c5 Rearrange order to build more frequently used tools first and make the 
triplet ordering (large, small, small) explicit with one triplet per line.

llvm-svn: 29839
 2006-08-23 00:12:11 +00:00