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Author SHA1 Message Date
Chris Lattner
82c4362a67 update comments 
llvm-svn: 37027
 2007-05-14 01:54:16 +00:00
Reid Spencer
3dab764309 Make the results for the rotate functions correct when rotateAmt == 0. 
llvm-svn: 37026
 2007-05-14 00:15:28 +00:00
Reid Spencer
a17d02ad08 Add some things needed by the llvm-gcc version supporting bit accurate integer 
types:
1. Functions to compute div/rem at the same time.
2. Further assurance that an APInt with 0 bitwidth cannot be constructed.
3. Left and right rotate operations.
4. An exactLogBase2 function which requires an exact power of two or it
   returns -1.

llvm-svn: 37025
 2007-05-13 23:44:59 +00:00
Chris Lattner
54c1db2679 add a link 
llvm-svn: 37024
 2007-05-13 23:38:44 +00:00
Chris Lattner
ecc23415ad Fix PR1413 
llvm-svn: 37023
 2007-05-13 22:19:27 +00:00
Chris Lattner
b8116aaff5 this crashes globalopt 
llvm-svn: 37021
 2007-05-13 21:28:25 +00:00
Chris Lattner
8ed56b8c48 Fix Transforms/GlobalOpt/2007-05-13-Crash.ll 
llvm-svn: 37020
 2007-05-13 21:28:07 +00:00
Anton Korobeynikov
ad0dd14386 Emit function debug frames in one atom. This will prevent us from generating incorrect assembler in case of both 
debug information & exception information presented.

llvm-svn: 37019
 2007-05-13 17:30:11 +00:00
Anton Korobeynikov
100919126f Emit multiple common EH frames for multiple (including blank) personality 
functions. This partly fixes PR1414: now we're restricted only to one
personality function per eh frame, not per module. Further work on
"multiple personalities" topic needs representative example.

llvm-svn: 37018
 2007-05-13 15:42:26 +00:00
Chris Lattner
6640fa2102 add initial description of llvm top-level stuff. 
llvm-svn: 37017
 2007-05-13 01:39:44 +00:00
Chris Lattner
d5295a5d74 finish the description of the bitstream format. 
llvm-svn: 37016
 2007-05-13 00:59:52 +00:00
Anton Korobeynikov
7daaf71b29 More DWARF-related things cleanup: 
1. Fix PR1380
2. Apply Duncan's patch from PR1410
3. Insert workaround for "one personality function per module" as noted in PR1414
4. Emit correct debug frames for x86/linux. This partly fixes DebugInfo/2006-11-06-StackTrace.cpp: stack trace is
shown correctly, but arguments for function on top of stack are displayed incorrectly.

llvm-svn: 37015
 2007-05-12 22:36:25 +00:00
Reid Spencer
8c2e0f85eb Fix shl to produce the correct result when the bitwidth is > 64 and the 
shift amount is 0. Previously this code would do a lshr by the bit width
which can lead to incorrect results.

llvm-svn: 37010
 2007-05-12 18:01:57 +00:00
Reid Spencer
c74dc663d1 Add a test case for shl of APInt integers > 64 bits by 0 shift amount. 
llvm-svn: 37009
 2007-05-12 17:59:55 +00:00
Reid Spencer
e7a70b7212 Get the size of auto arrays right, regardless of its changing size. 
llvm-svn: 37006
 2007-05-12 11:07:40 +00:00
Reid Spencer
2fd8174c81 Fix a grammaro. 
llvm-svn: 37005
 2007-05-12 08:01:52 +00:00
Chris Lattner
60a057f2fb fix typo 
llvm-svn: 37004
 2007-05-12 07:50:14 +00:00
Chris Lattner
72fd84327f continued description 
llvm-svn: 37003
 2007-05-12 07:49:15 +00:00
Chris Lattner
1637408144 add a bunch of content. 
llvm-svn: 37002
 2007-05-12 05:37:42 +00:00
Chris Lattner
7b435d86b7 first step 
llvm-svn: 37001
 2007-05-12 03:23:40 +00:00
Lauro Ramos Venancio
2a79df9eb0 Add a known QEMU problem. 
llvm-svn: 37000
 2007-05-12 02:36:41 +00:00
Chris Lattner
fe54b2a495 allow partially materialized modules to be written out, which just strips out 
the functions which haven't been read.

llvm-svn: 36999
 2007-05-11 23:51:59 +00:00
Devang Patel
c611adb5b7 Fix http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049516.html 
llvm-svn: 36998
 2007-05-11 23:14:43 +00:00
Devang Patel
e1febcb21e New test. 
llvm-svn: 36997
 2007-05-11 23:13:19 +00:00
Chris Lattner
119ece07be significantly improve debug output of lsr 
llvm-svn: 36996
 2007-05-11 22:40:34 +00:00
Dan Gohman
03114bee5f Update comments to say "vector" instead of "packed". 
llvm-svn: 36995
 2007-05-11 21:43:24 +00:00
Dan Gohman
167379e73a Fix typos. 
llvm-svn: 36994
 2007-05-11 21:10:54 +00:00
Dan Gohman
19d23d8595 Remove forward-declarations for classes that don't exist. 
llvm-svn: 36993
 2007-05-11 21:05:57 +00:00
Dan Gohman
c0617dde90 Add explicit keywords to several constructors that now have one argument. 
llvm-svn: 36992
 2007-05-11 21:04:48 +00:00
Dan Gohman
fad75ac3af Simplify BranchInst::getSuccessor, avoiding a conditional operator. 
llvm-svn: 36991
 2007-05-11 20:59:29 +00:00
Dan Gohman
2e4ac0dea5 This patch extends the LoopUnroll pass to be able to unroll loops 
with unknown trip counts. This is left off by default, and a
command-line option enables it. It also begins to separate loop
unrolling into a utility routine; eventually it might be made usable
from other passes.

It currently works by inserting conditional branches between each
unrolled iteration, unless it proves that the trip count is a
multiple of a constant integer > 1, which it currently only does in
the rare case that the trip count expression is a Mul operator with
a ConstantInt operand. Eventually this information might be provided
by other sources, for example by a pass that peels/splits the loop
for this purpose.

llvm-svn: 36990
 2007-05-11 20:53:41 +00:00
Chris Lattner
3936efb43b fix regressions from my previous checking, including 
Transforms/InstCombine/2006-12-08-ICmp-Combining.ll

llvm-svn: 36989
 2007-05-11 16:58:45 +00:00
Anton Korobeynikov
5754e67b1a Perform correct actions numbers/sizes computation 
llvm-svn: 36988
 2007-05-11 08:47:35 +00:00
Anton Korobeynikov
2d2a44b71f Fix action No calculation in multiple-invoke-one-LP mode 
llvm-svn: 36987
 2007-05-11 08:23:57 +00:00
Reid Spencer
3424dd8772 For PR1411: 
Don't try to use {} bracketing when setting a variable in site.exp

llvm-svn: 36985
 2007-05-11 06:47:16 +00:00
Chris Lattner
f7adc33cbd fix Transforms/InstCombine/2007-05-10-icmp-or.ll 
llvm-svn: 36984
 2007-05-11 05:55:56 +00:00
Chris Lattner
6b1afe375c new testcase that crashes instcombine 
llvm-svn: 36983
 2007-05-11 05:55:38 +00:00
Devang Patel
a6d54662d0 Drop ModuleID from comment. 
llvm-svn: 36982
 2007-05-11 00:45:58 +00:00
Chris Lattner
b601311b07 fix a memory leak 
llvm-svn: 36981
 2007-05-11 00:43:26 +00:00
Chris Lattner
044aaca356 Fix a bug where the bcreader could crash on .bc files that were an exact 
multiple of the page size, due to a bug in MappedFile

llvm-svn: 36980
 2007-05-11 00:00:27 +00:00
Dale Johannesen
2f28ffc5fd Do not generate branches to entry block. This fixes several test suite 
failures on PPC (can happen only when prologue code is null)

llvm-svn: 36979
 2007-05-10 23:59:23 +00:00
Anton Korobeynikov
5ba99a95e8 Ooops. Some debugging stuff :) 
llvm-svn: 36978
 2007-05-10 22:38:46 +00:00
Anton Korobeynikov
0a29b65e0c Allow multiple invokes per landing pad. This (probably) fixes PR1410. 
llvm-svn: 36977
 2007-05-10 22:34:59 +00:00
Duncan Sands
828ef09f10 Later computations assume we are aligned at this point. 
llvm-svn: 36975
 2007-05-10 18:40:24 +00:00
Anton Korobeynikov
a25bb3a0ff TypeIds are indexed by j, not i 
llvm-svn: 36974
 2007-05-10 15:10:34 +00:00
Anton Korobeynikov
486b18cc42 These attributes are supported! 
llvm-svn: 36973
 2007-05-10 08:26:24 +00:00
Chris Lattner
6027c07e35 gar. GCC 3.4.2 also miscompiles llvm at -O3. :( 
llvm-svn: 36972
 2007-05-10 06:42:21 +00:00
Chris Lattner
a7a3a2c449 another version of gcc that miscompiles llvm. 
llvm-svn: 36971
 2007-05-10 05:37:14 +00:00
Dale Johannesen
3099de1972 Another test for tail mergeing 
llvm-svn: 36967
 2007-05-10 01:04:28 +00:00
Dale Johannesen
4f9661688c Make tail merging handle many more cases (all it can, I think). 
llvm-svn: 36966
 2007-05-10 01:01:49 +00:00