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Author SHA1 Message Date
Owen Anderson
e02cb4cda0 Add an assertion to check that we're really preserving LCSSA. 
llvm-svn: 29886
 2006-08-25 22:12:36 +00:00
Evan Cheng
ccbb645459 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
9b5ea0704e 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
f653398f0c Doh! Commit the change that turns ON -fno-exceptions. 
llvm-svn: 29883
 2006-08-25 20:56:59 +00:00
Reid Spencer
e2b7b29a82 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
3af6953257 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
c5bcc6d451 Fix some comments. 
llvm-svn: 29880
 2006-08-25 19:40:59 +00:00
Jim Laskey
7369725a36 Allow for register numbers > 31. 
llvm-svn: 29879
 2006-08-25 19:39:52 +00:00
Rafael Espindola
39c3b906cb test case for varargs functions 
llvm-svn: 29877
 2006-08-25 17:57:36 +00:00
Rafael Espindola
91954ae78f 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
741140980f 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
b1d980f98a Reapply the indvars patch, since nothing blew up last night. 
llvm-svn: 29874
 2006-08-25 17:41:25 +00:00
Chris Lattner
bfd3ac7c39 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
60d8159a81 Bring Xcode project up to date. 
llvm-svn: 29872
 2006-08-25 14:16:49 +00:00
Nate Begeman
ce8ab85260 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
6ea5c4eafb 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
ebf083391f 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
596b22375a 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
54c87a08ab 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
d813eae003 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
25bd2cc1b9 When replacing value numbers, make sure to compactify the value # space. 
llvm-svn: 29865
 2006-08-24 23:22:59 +00:00
Chris Lattner
b3ab5fac28 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
b8292ee9e7 Owen implemented this. 
llvm-svn: 29863
 2006-08-24 23:03:33 +00:00
Chris Lattner
28645a15bd 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
45b86c1ebe 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
d5644a74d8 Remove a character to avoid line exceeding 80 cols. 
llvm-svn: 29860
 2006-08-24 22:39:25 +00:00
Owen Anderson
0aa48d0522 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
fbc2e180f1 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
fb63eba81c add the "eq" condition code 
implement a movcond instruction

llvm-svn: 29857
 2006-08-24 17:19:08 +00:00
Rafael Espindola
cf999a6d39 create a generic bcond instruction that has a conditional code argument 
llvm-svn: 29856
 2006-08-24 16:13:15 +00:00
Reid Spencer
88bbd0bcf8 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
9e2a2dfb2d initial support for branches 
llvm-svn: 29854
 2006-08-24 13:45:55 +00:00
Chris Lattner
a6ad752f16 update some comments 
llvm-svn: 29853
 2006-08-24 00:21:32 +00:00
Nate Begeman
0f0148d5f8 Correctly attribute file author & remote tabs 
llvm-svn: 29852
 2006-08-23 21:33:27 +00:00
Nate Begeman
ae020ecfa9 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
1268d6cd46 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
d583e06b7d 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
70a4459b3e 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
8dfa2bd161 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
71c3f66dc6 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
b702899462 Fix constructor documentation. 
llvm-svn: 29845
 2006-08-23 17:43:20 +00:00
Devang Patel
16c2934123 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
bc4c8e8ac0 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
de93aba128 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
0bc83e3c5e For PR797: 
Remove exception throwing from Path::getDirectoryContents and its users.

llvm-svn: 29841
 2006-08-23 06:56:27 +00:00
Reid Spencer
baf54399e7 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
551deac3b8 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
Reid Spencer
457201b1cb Fix a typo. 
llvm-svn: 29838
 2006-08-23 00:06:14 +00:00
Reid Spencer
b447bb61f3 For PR797: 
Adjust code to compensate for Path class interface change.

llvm-svn: 29837
 2006-08-22 23:54:35 +00:00
Reid Spencer
45120b0798 For PR797: 
Change the Path::make*OnDisk methods exception free and adjust their usage.

llvm-svn: 29836
 2006-08-22 23:27:23 +00:00