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Author SHA1 Message Date
Dan Gohman
4d64f82ab5 Add constructor overloads for LoadInst and StoreInst that insert at the 
end of a BasicBlock and have an alignment parameter.

llvm-svn: 40016
 2007-07-18 20:51:11 +00:00
Dan Gohman
2fc9d5171e Implement initial memory alignment awareness for SSE instructions. Vector loads 
and stores that have a specified alignment of less than 16 bytes now use
instructions that support misaligned memory references.

llvm-svn: 40015
 2007-07-18 20:23:34 +00:00
Owen Anderson
03b56ad400 Fix an issue where assignments that caused a SmallPtrSet to become non-small 
would result in calling realloc() on a null pointer.  Instead, if we encounter
this situation, make a normal call to malloc().

llvm-svn: 40014
 2007-07-18 19:54:15 +00:00
Dan Gohman
4c140b7128 It's not necessary to do rounding for alloca operations when the requested 
alignment is equal to the stack alignment.

llvm-svn: 40004
 2007-07-18 16:29:46 +00:00
Evan Cheng
cee32b53a4 New entry. 
llvm-svn: 39998
 2007-07-18 08:21:49 +00:00
Reid Spencer
5918628eba Fix a sys::Path API error caught by a gcc 4.2 warning. 
llvm-svn: 39995
 2007-07-18 05:27:33 +00:00
Chris Lattner
fe26fdfeaf Work around a bogus gcc 4.2 warning. 
llvm-svn: 39993
 2007-07-18 04:51:57 +00:00
Reid Spencer
beabff6111 Fix this test to not rely on the path but to use the 
configured llvm-gcc instead.

llvm-svn: 39992
 2007-07-18 04:37:24 +00:00
Reid Spencer
8d658ca6fb The property is svn:executable not svn:execute. 
llvm-svn: 39991
 2007-07-18 04:26:05 +00:00
Nick Lewycky
36644b4452 Alphabetize. Document -mlimit parameter. 
llvm-svn: 39990
 2007-07-18 04:24:20 +00:00
Owen Anderson
3a6871f519 Turn on FastDSE by default. 
Note: FastDSE now equals or exceeds the results of old DSE on all of SPEC2000 and SPEC2006. Unless major problems
show up in the testers, it will likely completely replace old DSE in the near future.

llvm-svn: 39986
 2007-07-17 21:59:21 +00:00
Evan Cheng
cf0fdbc249 Fold prologue esp update when possible. 
llvm-svn: 39984
 2007-07-17 21:26:42 +00:00
Andrew Lenharth
33ca3e893b support poolalloc as checked out from svn 
llvm-svn: 39983
 2007-07-17 20:37:35 +00:00
Evan Cheng
b01b386dd4 Change sroa threshold back. 
llvm-svn: 39980
 2007-07-17 20:07:21 +00:00
Evan Cheng
6ad7064bdf Dead code. 
llvm-svn: 39979
 2007-07-17 20:01:19 +00:00
Evan Cheng
26f6d71d26 Make sure not to break eh_return. 
llvm-svn: 39978
 2007-07-17 18:40:47 +00:00
Evan Cheng
70b79bfa0e Update. 
llvm-svn: 39977
 2007-07-17 18:39:45 +00:00
Evan Cheng
0c49836a9f Fix test. 
llvm-svn: 39976
 2007-07-17 18:16:09 +00:00
Tanya Lattner
1b070ae252 Don't use * in XFAIL line unless you want it to XFAIL on everything. I don't believe you can use true regular expressions here. It will just look for those keywords. Please test this on sparc and see if they still are xfailed. 
llvm-svn: 39975
 2007-07-17 18:08:32 +00:00
Evan Cheng
46a48c5c3e Missed the case where alloca is used but the stack size (not including callee-saved portion) is zero. Thanks Dan. 
llvm-svn: 39974
 2007-07-17 18:03:34 +00:00
Rafael Espindola
d70763bb0e detect invalid combination of sret and byval 
llvm-svn: 39971
 2007-07-17 13:34:23 +00:00
Gabor Greif
5bf00849d3 XFAIL these on sparc-solaris 
llvm-svn: 39969
 2007-07-17 10:25:31 +00:00
Evan Cheng
532b73311e Use push / pop for prologues and epilogues. 
llvm-svn: 39967
 2007-07-17 07:59:08 +00:00
Reid Spencer
2e0dae68b6 Make use of the process_builder_args library function. 
llvm-svn: 39965
 2007-07-17 07:17:02 +00:00
Reid Spencer
175fd0a317 For PR1558: 
Move tests that have C/C++ sources into the appropriate directory. This
allows them to be selected for testing based on whether llvm-gcc is
present or not.

llvm-svn: 39963
 2007-07-17 06:20:38 +00:00
Chris Lattner
71e2481181 no email addrs in file headers 
llvm-svn: 39962
 2007-07-17 05:56:43 +00:00
Reid Spencer
3dd7b1699b Unbreak the build by putting calls to free into the implementation file and 
having that implementation file #include <cstdlib>.

llvm-svn: 39952
 2007-07-17 02:16:12 +00:00
Evan Cheng
49c8647315 Temporarily set SROA threshold to 512. 
llvm-svn: 39950
 2007-07-17 01:52:05 +00:00
Owen Anderson
55b794723f Take advantage of undefined behavior if the source program tries to GEP 
beyond the end of an alloca to make FastDSE faster and more aggressive.

llvm-svn: 39945
 2007-07-16 23:34:39 +00:00
Reid Spencer
67ae861705 Normally, we don't want to install and we only need to build tools. 
llvm-svn: 39944
 2007-07-16 23:25:52 +00:00
Reid Spencer
c72a7b8362 No, we're not looking for a directory named /config.status. 
Sigh .. fix copy & paste error.

llvm-svn: 39939
 2007-07-16 22:54:42 +00:00
Reid Spencer
d43a77df41 In ModuleInfo.txt, make sure that the script being executed can be 
found by prepending a .
In build-for-llvm-top.sh, dereference variables for exansion.

llvm-svn: 39936
 2007-07-16 22:25:13 +00:00
Reid Spencer
9cd476449b Prepare for the future when llvm doesn't depend on llvm-gcc-4-0. 
This also avoids a fork bomb from the llvm-top/build script which
doesn't know how to handle cycles in the dependence graph.

llvm-svn: 39933
 2007-07-16 22:11:02 +00:00
Reid Spencer
01cc8f3c76 Remove insignificant test no longer needed. 
llvm-svn: 39931
 2007-07-16 22:03:36 +00:00
Owen Anderson
efc00e35cf Add support for walking up memory def chains, which enables finding many more 
dead stores on 400.perlbench.

llvm-svn: 39929
 2007-07-16 21:52:50 +00:00
Owen Anderson
f01c29815d Use realloc() to (potentially) resize the contents of SmallPtrSet in place. 
llvm-svn: 39926
 2007-07-16 21:27:44 +00:00
Reid Spencer
9496d63260 Return Undef if the block has no dominator. This was required to allow 
llvm-gcc build to succeed. Without this change it fails in libstdc++
compilation. This causes no regressions in dejagnu tests. However, 
someone who knows this code better might want to review it.

llvm-svn: 39924
 2007-07-16 21:03:44 +00:00
Dan Gohman
ef7c87f4d8 Use ConstantFoldFP for folding all unary floating-point operations which may 
have an error, and refector out the code for binary operators into
ConstantFoldBinaryFP and use it for all binary floating-point operations
which may have an error. These functions still rely exclusively on errno
to detect errors though.

llvm-svn: 39923
 2007-07-16 15:26:22 +00:00
Dan Gohman
e538b98446 Fix the documentation for llvm.sqrt so that sqrt(0) has defined behavior, 
which appears to be the intent.

llvm-svn: 39922
 2007-07-16 14:37:41 +00:00
Dan Gohman
0ba554c0c8 Fix comments about vectors to use the current wording. 
llvm-svn: 39921
 2007-07-16 14:29:03 +00:00
Dan Gohman
0c1259b7e4 Remove the trailing semicolon from function declarations in LLVM, 
where it's interpreted as a comment, not part of the syntax.

llvm-svn: 39920
 2007-07-16 13:37:30 +00:00
Bill Wendling
643f24f815 Fix validation errors 
llvm-svn: 39917
 2007-07-16 08:52:56 +00:00
Bill Wendling
120450ce00 Clean up some formatting 
llvm-svn: 39916
 2007-07-16 08:46:40 +00:00
Bill Wendling
c569c42d1a Clean up some formatting. Add some doc_code div tags. 
llvm-svn: 39915
 2007-07-16 08:44:39 +00:00
Reid Spencer
07f97e6e8e Prepare for building from llvm-top. Unfortunately, this doesn't work because 
of the cyclic depndency between llvm and llvm-gcc-4-0.

llvm-svn: 39910
 2007-07-16 08:05:18 +00:00
Chris Lattner
66b7f0c956 Repair a regression in Transforms/InstCombine/mul.ll that Reid noticed. 
llvm-svn: 39896
 2007-07-16 04:15:34 +00:00
Chris Lattner
96a035fce7 rename function to avoid llvm-upgrade warning 
llvm-svn: 39895
 2007-07-16 04:09:00 +00:00
Nick Lewycky
6cdd641e1d Start adding and cleaning up comments. 
llvm-svn: 39894
 2007-07-16 02:58:37 +00:00
Nick Lewycky
43e5fd5be7 Handle decrementing loops properly. Fixes PR1533. 
Always pass the constant as the second parameter to HowManyLessThans.

Remove obsolete "isSigned" parameter.

llvm-svn: 39893
 2007-07-16 02:08:00 +00:00
Chris Lattner
03bc1d9018 add a helper method. 
llvm-svn: 39885
 2007-07-15 23:32:03 +00:00