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Author SHA1 Message Date
Anton Korobeynikov
4b85ece1ab Another comments fixing 
llvm-svn: 48683
 2008-03-22 07:53:40 +00:00
Anton Korobeynikov
6ba56eb5e7 Slightly increase default set size. It's cheap and won't hurt. 
llvm-svn: 48682
 2008-03-22 07:48:40 +00:00
Anton Korobeynikov
f858d272a8 Typo fixes 
llvm-svn: 48681
 2008-03-22 07:48:08 +00:00
Chris Lattner
16f62d36e8 implement an initial hack at a straight-line store -> memset optimization. 
This fires dozens of times across spec and multisource, but I don't know
if it actually speeds stuff up.  Hopefully the testers will show something
nice :)

llvm-svn: 48680
 2008-03-22 05:37:16 +00:00
Chris Lattner
9a567d824d implement the logic for memset insertion and store deletion. 
llvm-svn: 48679
 2008-03-22 04:13:49 +00:00
Owen Anderson
de2d3aca1b Add a comment, and fix a bug where AllocateRW recurred to AllocateRWX instead of itself. 
llvm-svn: 48677
 2008-03-22 02:59:54 +00:00
Owen Anderson
5654dda62c Add an AllocateRW to match AllocateRWX. 
llvm-svn: 48676
 2008-03-22 02:33:53 +00:00
Evan Cheng
874aee2eec Teach DAG combiner to commute commutable binary nodes in order to achieve sdisel CSE. 
llvm-svn: 48673
 2008-03-22 01:55:50 +00:00
Chris Lattner
9d8b1ee347 This is a partially implemented and currently disabled start of a store 
merging optimization.  Nothing to see here, hopefully more later :)

llvm-svn: 48670
 2008-03-22 00:31:52 +00:00
Dan Gohman
a363ba510c Don't include <map> in Pass.h, which doesn't need it. This requires 
adding <map> to many files that actually do need it.

llvm-svn: 48667
 2008-03-21 23:51:57 +00:00
Dan Gohman
63ef3bbba0 Avoid calling array_endof in a static initializer, as it incurs 
dynamic initialization.

llvm-svn: 48666
 2008-03-21 23:44:21 +00:00
Dan Gohman
479c8ef76d Specialize FORCE_DEFINING_FILE_TO_BE_LINKED using a GCC trick 
to avoid using constructor calls for static objects. This reduces
the number of objects requiring static constructors in a typical
LLVM build by around 20%.

llvm-svn: 48665
 2008-03-21 23:38:23 +00:00
Dan Gohman
ae161c1522 Fix -view-sunit-dags to support cross-rc-copy nodes. 
llvm-svn: 48664
 2008-03-21 22:51:06 +00:00
Gabor Greif
7dc7c09246 a happier version of happiness 
llvm-svn: 48663
 2008-03-21 22:17:07 +00:00
Chris Lattner
18f7655a45 the size of a smallvector shouldn't be part of the interface to these methods. 
llvm-svn: 48662
 2008-03-21 22:01:16 +00:00
Chris Lattner
15d06c679b make gvn marginally faster by reallocating the lastSeenLoad map for 
each basic block.

llvm-svn: 48660
 2008-03-21 21:33:23 +00:00
Chris Lattner
b8102d9de3 Minor cleanups and shrinkification. 
llvm-svn: 48658
 2008-03-21 21:14:38 +00:00
Dan Gohman
59aeac6320 Handle getresult instructions in different basic blocks 
from their aggregate operands by moving the getresult
instructions.

llvm-svn: 48657
 2008-03-21 21:01:32 +00:00
Chris Lattner
308a452c90 Restore this assert now that the livevar bug is fixed. 
This verifies kill info for "ret" fp operands is right.

llvm-svn: 48656
 2008-03-21 20:41:27 +00:00
Duncan Sands
8e40ac013e Testcase for PR2160. 
llvm-svn: 48655
 2008-03-21 20:22:11 +00:00
Evan Cheng
32a6116ffd A couple of kill marker maintainence bug. 
llvm-svn: 48653
 2008-03-21 19:09:30 +00:00
Chris Lattner
3819e559c9 clean up and fix the call section. 
llvm-svn: 48651
 2008-03-21 17:24:17 +00:00
Chris Lattner
cc10d27f38 cleanups for the getresult section. 
llvm-svn: 48650
 2008-03-21 17:20:51 +00:00
Andrew Lenharth
2ff2bcbde8 FunctionExtractorPass has been superceded by GVExtractorPass 
llvm-svn: 48648
 2008-03-21 16:46:53 +00:00
Duncan Sands
a53967843f Make it possible to get an empty struct using 
the new StructType::get method.  The second NULL
is to pacify the gcc warning mechanism.  This
patch compiles but is otherwise untested.

llvm-svn: 48645
 2008-03-21 15:53:17 +00:00
Duncan Sands
4153fc30c9 Introduce a new node for holding call argument 
flags.  This is needed by the new legalize types
infrastructure which wants to expand the 64 bit
constants previously used to hold the flags on
32 bit machines.  There are two functional changes:
(1) in LowerArguments, if a parameter has the zext
attribute set then that is marked in the flags;
before it was being ignored; (2) PPC had some bogus
code for handling two word arguments when using the
ELF 32 ABI, which was hard to convert because of
the bogusness.  As suggested by the original author
(Nicolas Geoffray), I've disabled it for the moment.
Tested with "make check" and the Ada ACATS testsuite.

llvm-svn: 48640
 2008-03-21 09:14:45 +00:00
Duncan Sands
530554ab0a Fix the build for gcc-4.2. 
llvm-svn: 48639
 2008-03-21 08:32:17 +00:00
Chris Lattner
edfc239ced remove Evan's "ugly hack" that sorta attempted to get 
x86-64 return conventions correct, but was never enabled.
We can now do the "right thing" with multiple return values.

llvm-svn: 48635
 2008-03-21 06:50:21 +00:00
Chris Lattner
8a4fa95cae Add support for calls that return two FP values in 
ST(0)/ST(1).

llvm-svn: 48634
 2008-03-21 06:38:26 +00:00
Chris Lattner
933d0d318b disable a bogus assertion. 
llvm-svn: 48633
 2008-03-21 06:01:05 +00:00
Chris Lattner
260473f983 Enable support for returning two long-double values in ST(0)/ST(1). 
This allows us to compile fp-stack-2results.ll into:

_test:
	fldz
	fld1
	ret

which returns 1 in ST(0) and 0 in ST(1).  This is needed for x86-64
_Complex long double.

llvm-svn: 48632
 2008-03-21 05:57:20 +00:00
Chris Lattner
96cdf21ed4 Teach masked value is zero about add and sub, and use MVIZ to 
simplify things like (X & 4) >> 1 == 2  --> (X & 4) == 4.

since it is obvious that the shift doesn't remove any bits.

llvm-svn: 48631
 2008-03-21 05:19:58 +00:00
Evan Cheng
4ae9fee64c Undo 48570. Correctly match mmx shift instructions with an immediate operand. 
llvm-svn: 48627
 2008-03-21 00:40:09 +00:00
Devang Patel
1b64c7d1e5 These passes preserve CFG. 
This patch fixes Benchmarks/Trimaran/enc-pc1/enc-pc1 failure reported by Grawp-PIC i386 nightly tester

llvm-svn: 48623
 2008-03-20 23:27:18 +00:00
Devang Patel
192124d0e6 Incorporate feedback. 
- Fix loop nest.
- Use RetVals.size()
- Check for null return value.

llvm-svn: 48605
 2008-03-20 18:30:32 +00:00
Gordon Henriksen
dca0a5c5dc C and Objective Caml bindings for mem2reg and reg2mem. 
Patch by Erick Tryzelaar.

llvm-svn: 48602
 2008-03-20 17:16:03 +00:00
Andrew Lenharth
6e32942dfa enable -analyze for andersens 
llvm-svn: 48601
 2008-03-20 15:36:44 +00:00
Zhou Sheng
fc7856f528 Take the old function's name. 
llvm-svn: 48588
 2008-03-20 08:05:05 +00:00
Nick Lewycky
3903f2f24e ubyte and sbyte? what are those? 
llvm-svn: 48585
 2008-03-20 06:19:51 +00:00
Chris Lattner
f166a78d79 add a note. 
llvm-svn: 48583
 2008-03-20 04:46:13 +00:00
Christopher Lamb
110f66ca68 Check even more carefully before applying this DAGCombine transform. 
llvm-svn: 48580
 2008-03-20 04:31:39 +00:00
Devang Patel
f15fe34521 Restore isCFGOnly property of various analysis passes. 
llvm-svn: 48579
 2008-03-20 02:25:21 +00:00
Evan Cheng
8ecb189245 Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, result_size - n - m))) 
llvm-svn: 48578
 2008-03-20 02:18:41 +00:00
Chris Lattner
6c4486c5c7 detabify llvm, patch by Mike Stump! 
llvm-svn: 48577
 2008-03-20 01:22:40 +00:00
Devang Patel
e4f39224eb Keep track of analysis information inherited from Module pass manager. 
llvm-svn: 48576
 2008-03-20 01:09:53 +00:00
Scott Michel
e747d20130 Add more patterns to match in the integer comparison test harnesses. 
Fix bugs encountered, mostly due to range matching for immediates;
the CellSPU's 10-bit immediates are sign extended, covering a
larger range of unsigned values.

llvm-svn: 48575
 2008-03-20 00:51:36 +00:00
Evan Cheng
c5f34f6463 80 col violation. 
llvm-svn: 48573
 2008-03-20 00:20:23 +00:00
Evan Cheng
6f729b2820 Add intrinsics to match mmx shift builtin's with immediate operand. 
llvm-svn: 48569
 2008-03-19 23:38:52 +00:00
Devang Patel
c9c6d88ee5 Add comment. 
llvm-svn: 48567
 2008-03-19 23:05:52 +00:00
Andrew Lenharth
9d2ead09ba style and spelling 
llvm-svn: 48562
 2008-03-19 22:32:43 +00:00