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Author SHA1 Message Date
Duncan Sands
265752ae8f Ding dong, the DoesntAccessMemoryFns and 
OnlyReadsMemoryFns tables are dead!  We
get more, and more accurate, information
from gcc via the readnone and readonly
function attributes.

llvm-svn: 44288
 2007-11-23 19:30:27 +00:00
Duncan Sands
0973ae4c8c Remove some logic I thoughtlessly copied over 
from the old ADCE implementation (there it was
correct because the transform was being done
for read-only functions).

llvm-svn: 44287
 2007-11-23 09:10:17 +00:00
Chris Lattner
ac2de0424b Fix a bug where we'd try to find a scev value for a bitcast operand, 
even though the bitcast operand did not have integer type.  This fixes
PR1814.

llvm-svn: 44286
 2007-11-23 08:46:22 +00:00
Chris Lattner
bff48b8f0d Fix PR1817. 
llvm-svn: 44284
 2007-11-22 23:47:13 +00:00
Chris Lattner
54f0c2bed9 add some static icmpinst predicates. 
llvm-svn: 44283
 2007-11-22 23:43:29 +00:00
Chris Lattner
59d787cb83 add missing #include 
llvm-svn: 44282
 2007-11-22 23:19:05 +00:00
Anton Korobeynikov
f46167c649 Don't crash on bogus llvm.noinline. This is first part of PR1817 (preventing reduction) 
llvm-svn: 44281
 2007-11-22 22:30:10 +00:00
Duncan Sands
e79932aed4 Turn invokes of nounwind functions into ordinary calls. 
llvm-svn: 44280
 2007-11-22 22:24:59 +00:00
Duncan Sands
703986d327 Teach alias analysis about readnone/readonly functions. 
Based on a patch by Török Edwin.

llvm-svn: 44279
 2007-11-22 21:43:27 +00:00
Duncan Sands
6ec98952e0 Readonly/readnone functions are allowed to throw 
exceptions, so don't turn invokes of them into
calls.

llvm-svn: 44278
 2007-11-22 21:40:06 +00:00
Chris Lattner
192e1e5ae8 resolve the last fixme's in the new tblgen parser. 
llvm-svn: 44277
 2007-11-22 21:06:59 +00:00
Chris Lattner
ac95162b44 change the Init print methods to return strings, and implement 
print in terms of that.

llvm-svn: 44276
 2007-11-22 21:05:25 +00:00
Chris Lattner
118519d38d eliminate a bunch of print methods that are duplicate with the getAsString() method. 
llvm-svn: 44275
 2007-11-22 20:51:34 +00:00
Chris Lattner
c447b7a449 Rewrite the tblgen parser in a recursive descent style, eliminating the bison parser. 
This makes the parser much easier to understand, eliminates a ton of global variables,
and gives tblgen nice caret diagnostics.  It is also faster, but tblgen probably doesn't
care about performance.

There are a couple of FIXMEs which I will take care of next.

llvm-svn: 44274
 2007-11-22 20:49:04 +00:00
Duncan Sands
d05a55f03f Rename the 'const' parameter attribute to 'readnone', 
and the 'pure' parameter attribute to 'readonly'.
Names suggested by DannyB.

llvm-svn: 44273
 2007-11-22 20:23:04 +00:00
Nick Lewycky
aff0962501 Instead of calculating constant factors, calculate the number of trailing 
bits. Patch from Wojciech Matyjewicz.

llvm-svn: 44268
 2007-11-22 07:59:40 +00:00
Nick Lewycky
e34dd3a90f Create nodes for inline asm so that we don't crash looking for the node later. 
llvm-svn: 44267
 2007-11-22 03:07:37 +00:00
Chuck Rose III
644434c904 Switching back to strtoll. Including config.h. On VStudio builds, this overrides strtoll. 
llvm-svn: 44264
 2007-11-21 19:36:25 +00:00
Duncan Sands
7a8a7099b1 Fix a bug in which node A is replaced by node B, but later 
node A gets back into the DAG again because it was hiding in
one of the node maps: make sure that node replacement happens
in those maps too.

llvm-svn: 44263
 2007-11-21 16:43:19 +00:00
Nick Lewycky
a734aa84f3 typo 
llvm-svn: 44262
 2007-11-21 05:21:54 +00:00
Dale Johannesen
6293438d50 Fix compiler warning. 
llvm-svn: 44261
 2007-11-21 00:45:00 +00:00
Chuck Rose III
b1944d8afb This change does a couple of things. First it gets the Visual Studio builds working. 
I added the lexing files to the VStudio projects and removed the .l files from the 
VStudio projects.  There was a problem with use of strtoll in TGLexer.cpp and Chris
suggested switching to strtol, so that's included here.

Additionally, this checkin adds minimal x64 builds to the VStudio builds.  Build issues
related to x64 in the windows specific files for DynamicLibrary.inc and Singals.inc
are worked around, but not ultimately solved.  Binaries used to be stored in

...\win32\{Debug|Release}

but are now kept in

...\win32\bin\{win32|x64}\{Debug|Release}

intermediate files will continue to be stored in the individual project directories under 
win32.  

Some names will likely change in the future to reflect that the vstudio projects
are no longer 32-bit only, but I wanted to get things up and running today so kept away
from bigger restructuring.

llvm-svn: 44260
 2007-11-21 00:37:56 +00:00
Dale Johannesen
3f01467781 File missing from previous patch. 
llvm-svn: 44259
 2007-11-20 23:25:17 +00:00
Dale Johannesen
8c3541787f Fix .eh table linkage issues on Darwin. Some EH support 
for Darwin PPC, but it's not fully working yet.

llvm-svn: 44258
 2007-11-20 23:24:42 +00:00
Chris Lattner
7627a7d8f4 Add the ability to convert a tblgen type to a string. 
llvm-svn: 44257
 2007-11-20 22:25:16 +00:00
Duncan Sands
f69444f091 In order for parameter attribute uniquing to make 
any sense it is important that ParamAttr::None gets
treated the same as not supplying an attribute at
all.  Rather than stripping ParamAttr::None out of
the list of attributes, assert if ParamAttr::None
is seen.  Fix up the bitcode reader which liked to
insert ParamAttr::None all over the place.  Patch
based on one by Török Edwin.

llvm-svn: 44250
 2007-11-20 14:09:29 +00:00
Nick Lewycky
bb69ad8a1b Small cleanup. Use APInt::getHighBitsSet method instead of shift left. 
"setcc" -> "icmp op" in comments. No functionality change.

llvm-svn: 44249
 2007-11-20 08:44:50 +00:00
Nick Lewycky
f1d30ded71 Be more careful when transforming | to +. Patch from Wojciech Matyjewicz. 
llvm-svn: 44248
 2007-11-20 08:24:44 +00:00
Chris Lattner
7672c08059 Testcase for PR1811 
llvm-svn: 44244
 2007-11-19 21:43:22 +00:00
Chris Lattner
21c243d051 ExpandUnalignedLoad doesn't handle vectors right at all apparently. 
Fix a couple of problems:
1. Don't assume the VT-1 is a VT that is half the size.
2. Treat vectors of FP in the vector path, not the FP path.

This has a couple of remaining problems before it will work with
the code in PR1811: the code below this change assumes that it can
use extload/shift/or to construct the result, which isn't right for
vectors.

This also doesn't handle vectors of 1 or vectors that aren't pow-2.

llvm-svn: 44243
 2007-11-19 21:38:03 +00:00
Chris Lattner
c0f2f19744 Implement vector expand support for shuffle_vector. This fixes PR1811. 
llvm-svn: 44242
 2007-11-19 21:16:54 +00:00
Dan Gohman
27ac53cc23 Remove meaningless qualifiers from return types, avoiding compiler warnings. 
llvm-svn: 44240
 2007-11-19 20:46:23 +00:00
Chris Lattner
30a6eee34c Implement splitting of UNDEF nodes. This is the first step towards fixing PR1811 
llvm-svn: 44239
 2007-11-19 20:21:32 +00:00
Owen Anderson
471ffbe011 Teach me to do stuff late at night. 
llvm-svn: 44236
 2007-11-19 16:10:59 +00:00
Dan Gohman
d460d8eab0 Fix a typo in a comment. 
llvm-svn: 44235
 2007-11-19 15:36:19 +00:00
Dan Gohman
760d574313 Add explicit keywords. 
llvm-svn: 44234
 2007-11-19 15:30:20 +00:00
Dan Gohman
0f62120b01 Add support in SplitVectorOp for remainder operators. 
llvm-svn: 44233
 2007-11-19 15:15:03 +00:00
Owen Anderson
e05d68940f Fix a factually incorrect statement pointed out by Max Hailperin. 
llvm-svn: 44228
 2007-11-19 07:44:43 +00:00
Chris Lattner
4de076fe41 Record the start of the current token, for use in error reporting. 
llvm-svn: 44227
 2007-11-19 07:43:52 +00:00
Chris Lattner
b5d55431b7 Add carat diagnostics to tblgen lexer errors. 
llvm-svn: 44226
 2007-11-19 07:38:58 +00:00
Chris Lattner
56d872fcbb Fix the Linker testcase regressions, by making MemoryBuffer::getFileOrSTDIN return 
a valid but empty buffer if stdin is empty.

llvm-svn: 44219
 2007-11-18 18:52:28 +00:00
Chris Lattner
7f2b9b27b3 autoupgrade files that use callfoo as call foo. 
llvm-svn: 44218
 2007-11-18 18:43:24 +00:00
Chris Lattner
cf741eccd6 print a call to a fastcc function as: 
call x86_fastcallcc void @func( i32* %X, i64 0 )
not:
	callx86_fastcallcc  void @func( i32* %X, i64 0 )

This fixes Codegen/X86/fast-cc-merge-stack-adj.ll

llvm-svn: 44217
 2007-11-18 18:32:16 +00:00
Chris Lattner
bef568f3f8 fix bogus test that the more strict lexer is finding. 
llvm-svn: 44216
 2007-11-18 18:26:45 +00:00
Chris Lattner
88f47f2798 Bugfix, this fixes CodeGen/X86/ldzero.ll and CodeGen/X86/2007-10-16-fp80_select.ll 
llvm-svn: 44215
 2007-11-18 18:25:18 +00:00
Chris Lattner
54284cf34a Replace the original flex lexer with a hand writen one. This 
drops a dependency on flex and lets us make future progress more 
easily.  Yay for 2 fewer .cvs files to make silly conflicts with.

llvm-svn: 44213
 2007-11-18 08:46:26 +00:00
Chris Lattner
ea7765860d minor cleanups 
llvm-svn: 44212
 2007-11-18 05:48:46 +00:00
Chris Lattner
a1d537ed5e ensure header is self contained. 
llvm-svn: 44211
 2007-11-18 05:25:45 +00:00
Chris Lattner
07a4b4d5fe reimplement the tblgen lexer with a simple hand-written lexer. This eliminates 
one dependency on flex and gets rid of two ".cvs" files.

llvm-svn: 44210
 2007-11-18 02:57:27 +00:00
Nate Begeman
2a8ef3f29a Add support for vectors to int <-> float casts. 
llvm-svn: 44204
 2007-11-17 03:58:34 +00:00