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176 Commits

Author SHA1 Message Date
Bill Wendling
b94ade249a The pshufw instruction came about in MMX2 when SSE was introduced. Don't place 
it in with the SSSE3 instructions.

Steward! Could you place this chair by the aft sun deck? I'm trying to get away
from the Astors. They are such boors!

llvm-svn: 115552
 2010-10-04 20:24:01 +00:00
Bill Wendling
0090e3b6a1 Auto-upgrade tests for the new MMX intrinsic calls. 
llvm-svn: 115456
 2010-10-03 01:12:20 +00:00
Dale Johannesen
c14a1eda84 Massive rewrite of MMX: 
The x86_mmx type is used for MMX intrinsics, parameters and
return values where these use MMX registers, and is also
supported in load, store, and bitcast.

Only the above operations generate MMX instructions, and optimizations
do not operate on or produce MMX intrinsics. 

MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
smaller pieces.  Optimizations may occur on these forms and the
result casted back to x86_mmx, provided the result feeds into a
previous existing x86_mmx operation.

The point of all this is prevent optimizations from introducing
MMX operations, which is unsafe due to the EMMS problem.

llvm-svn: 115243
 2010-09-30 23:57:10 +00:00
Dale Johannesen
e788b5e436 Basic smoke test for new x86mmx type. 
llvm-svn: 113783
 2010-09-13 21:01:36 +00:00
Chris Lattner
ee42f75f8b add a new "llvm-dis -show-annotations" option, which causes it to print 
#uses comments, with a testcase.

llvm-svn: 112906
 2010-09-02 23:21:44 +00:00
Chris Lattner
238f46d92e remove some noise from tests. 
llvm-svn: 112889
 2010-09-02 22:35:33 +00:00
Chris Lattner
ecf276b787 remove unions from LLVM IR. They are severely buggy and not 
being actively maintained, improved, or extended.

llvm-svn: 112356
 2010-08-28 04:09:24 +00:00
Dan Gohman
343e4fb4ea Make GlobalValue alignment consistent with load, store, and alloca 
alignment, fixing silent truncation of alignment values.

llvm-svn: 109653
 2010-07-28 20:56:48 +00:00
Dan Gohman
939744be5f Define a maximum supported alignment value for load, store, and 
alloca instructions (constrained by their internal encoding),
and add error checking for it. Fix an instcombine bug which
generated huge alignment values (null is infinitely aligned).
This fixes undefined behavior noticed by John Regehr.

llvm-svn: 109643
 2010-07-28 20:12:04 +00:00
Chris Lattner
23334439e9 add newlines at the end of files. 
llvm-svn: 100705
 2010-04-07 22:53:17 +00:00
Chris Lattner
2265d6280b Add support for a union type in LLVM IR. Patch by Talin! 
llvm-svn: 96011
 2010-02-12 20:49:41 +00:00
Victor Hernandez
e65222a748 Function-local metadata whose operands had been optimized to no longer refer to function-local IR were not getting written by BitcodeWriter; solution is for these metadata to be enumerated just like global metadata. 
llvm-svn: 95467
 2010-02-06 01:21:09 +00:00
Victor Hernandez
28f795182c Fix (and test) function-local metadata that occurs before the instruction that it refers to; fix is to not enumerate operands of function-local metadata until after all instructions have been enumerated 
llvm-svn: 95269
 2010-02-04 01:13:08 +00:00
Victor Hernandez
c1b5223e76 Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast). 
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument.

llvm-svn: 93531
 2010-01-15 19:04:09 +00:00
Victor Hernandez
97d7107d5e Revert r93504 because older uses of llvm.dbg.declare intrinsics need to be auto-upgraded 
llvm-svn: 93515
 2010-01-15 17:36:47 +00:00
Victor Hernandez
aee71b4e81 Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast). 
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.

llvm-svn: 93504
 2010-01-15 03:37:48 +00:00
Victor Hernandez
e5f811e0a6 Extend testcase to also test llvm.dbg.value intrinsic 
llvm-svn: 93408
 2010-01-14 02:12:41 +00:00
Victor Hernandez
70e33c3acd Now that LLParser, AsmWriter, BitcodeReader, and BitcodeWriter all correctly support function-local metadata, test it. 
llvm-svn: 93406
 2010-01-14 01:51:28 +00:00
Victor Hernandez
0e7561092b Re-add parsing of function-local metadata; this time with testcase. 
llvm-svn: 92793
 2010-01-05 22:22:14 +00:00
Dan Gohman
5fa04f2707 Delete useless trailing semicolons. 
llvm-svn: 92740
 2010-01-05 17:55:26 +00:00
Chris Lattner
70788c5e57 add some basic named MD tests. 
llvm-svn: 92336
 2009-12-31 03:00:49 +00:00
Chris Lattner
03a91d987f reimplement insertvalue/extractvalue metadata handling to not blindly 
accept invalid input.  Actually add a testcase.

llvm-svn: 92297
 2009-12-30 05:14:00 +00:00
Chris Lattner
c42b8ff24e fix parsing of mdstring values. 
llvm-svn: 92290
 2009-12-30 04:13:37 +00:00
Chris Lattner
c6b925c592 Each instruction is allowed to have *multiple* different 
metadata objects on them.  Though the entire compiler supports this,
the asmparser didn't.

llvm-svn: 92270
 2009-12-29 21:25:40 +00:00
Chris Lattner
86c74f4783 Do not crash when .ll printing metadata that smells like debug info, but isn't. 
llvm-svn: 92268
 2009-12-29 21:17:33 +00:00
Dale Johannesen
59fd73831e Adjust testcases for msasm -> alignstack. 
llvm-svn: 84796
 2009-10-21 23:29:12 +00:00
Dale Johannesen
7db511a23e Add an "msasm" flag to inline asm as suggested in PR 5125. 
A little ugliness is accepted to keep the binary file format
compatible.  No functional change yet.

llvm-svn: 84020
 2009-10-13 20:46:56 +00:00
Nick Lewycky
42065f1555 Clean up the usage of evaluateICmpRelation's return value. 
Add another line to the ConstantExprFold test to demonstrate the GEPs may not
wrap around in either the signed or unsigned senses.

llvm-svn: 82361
 2009-09-20 04:27:06 +00:00
Chris Lattner
cf3281f7d0 fix PR4963: folding insertvalue would sometimes turn a packed struct into 
an unpacked one.

llvm-svn: 81845
 2009-09-15 06:28:12 +00:00
Dan Gohman
ded1a79805 Fix this test to test what it was originally intended to test. 
llvm-svn: 81539
 2009-09-11 18:16:43 +00:00
Dan Gohman
205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
 2009-09-11 18:01:28 +00:00
Chris Lattner
817a8fc5b0 fix test to not get a moduleid that matches 'br' 
llvm-svn: 81526
 2009-09-11 16:47:41 +00:00
Dan Gohman
aa66e3d968 Teach lib/VMCore/ConstantFold.cpp how to set the inbounds keyword and 
how to fold notionally-out-of-bounds array getelementptr indices instead
of just doing these in lib/Analysis/ConstantFolding.cpp, because it can
be done in a fairly general way without TargetData, and because not all
constants are visited by lib/Analysis/ConstantFolding.cpp. This enables
more constant folding.

Also, set the "inbounds" flag when the getelementptr indices are
one-past-the-end.

llvm-svn: 81483
 2009-09-11 00:04:14 +00:00
Dan Gohman
c95df8b6d8 Use opt -S instead of piping bitcode output through llvm-dis. 
llvm-svn: 81257
 2009-09-08 22:34:10 +00:00
Dan Gohman
8d84372836 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Dan Gohman
1147a7ba87 Reappy r80998, now that the GlobalOpt bug that it exposed on MiniSAT is fixed. 
llvm-svn: 81172
 2009-09-07 23:54:19 +00:00
Daniel Dunbar
452643b58c Revert "Include optional subclass flags, such as inbounds, nsw, etc., ...", this 
breaks MiniSAT on x86_64.

llvm-svn: 81098
 2009-09-06 00:11:24 +00:00
Daniel Dunbar
1a946234a4 Fix spacing. 
llvm-svn: 81097
 2009-09-06 00:00:13 +00:00
Dan Gohman
8b386a0b63 Include optional subclass flags, such as inbounds, nsw, etc., in the 
Constant uniquing tables. This allows distinct ConstantExpr objects
with the same operation and different flags.

Even though a ConstantExpr "a + b" is either always overflowing or
never overflowing (due to being a ConstantExpr), it's still necessary
to be able to represent it both with and without overflow flags at
the same time within the IR, because the safety of the flag may
depend on the context of the use. If the constant really does overflow,
it wouldn't ever be safe to use with the flag set, however the use
may be in code that is never actually executed.

This also makes it possible to merge all the flags tests into a single test.

llvm-svn: 80998
 2009-09-04 12:08:11 +00:00
Dan Gohman
bf08e82d8e Remove obsolete -f flags. 
llvm-svn: 79992
 2009-08-25 15:38:29 +00:00
Dan Gohman
4b9cae5af3 Various AsmWriter output cleanups. Use WriteAsOperand instead of 
PrintUnmangledNameSafely.

llvm-svn: 78878
 2009-08-13 01:36:44 +00:00
Dan Gohman
4ee8471442 Extend the AsmWriter to print unnamed numbered types as "%0 = type ..." 
and unnamed numbered global variables as "@0 = global ...". Extend the
AsmParser to recognize these forms.

llvm-svn: 78859
 2009-08-12 23:32:33 +00:00
Dan Gohman
490eb36e1d Add a new keyword 'inbounds' for use with getelementptr. See the 
LangRef.html changes for details.

llvm-svn: 77259
 2009-07-27 21:53:46 +00:00
Dan Gohman
39c0d3b10a Change the assembly syntax for nsw, nuw, and exact, putting them 
after their associated opcodes rather than before. This makes them
a little easier to read.

llvm-svn: 77194
 2009-07-27 16:11:46 +00:00
Eli Friedman
11e86150c4 Fix assert assembling zero-argument constant GEP. 
There's still a strict-aliasing violation here, but I don't feel like 
dealing with that right now...

llvm-svn: 77005
 2009-07-24 21:56:17 +00:00
Dan Gohman
001d777207 Rename the new unsigned and signed keywords to nuw and nsw, 
which stand for no-unsigned-wrap and no-signed-wrap.

llvm-svn: 76810
 2009-07-22 22:44:56 +00:00
Dan Gohman
d2ad3e183b Assembly and Bitcode support for unsigned/signed overflow flags and 
exact sdiv flags.

llvm-svn: 76475
 2009-07-20 21:19:07 +00:00
Dan Gohman
8d6df1287d Apparently Darwin doesn't have /dev/full :-(. 
llvm-svn: 75809
 2009-07-15 18:41:11 +00:00
Dan Gohman
afe44327d4 Add a testcase for raw_ostream error checking. 
llvm-svn: 75795
 2009-07-15 16:47:02 +00:00
Nick Lewycky
d46a7b2d22 Remove the vicmp and vfcmp instructions. Because we never had a release with 
these instructions, no autoupgrade or backwards compatibility support is
provided.

llvm-svn: 74991
 2009-07-08 03:04:38 +00:00