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Author SHA1 Message Date
Chris Lattner
31ab1b3d74 Print the module ID as a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20411 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 23:12:40 +00:00
Chris Lattner
4318a3d0e9 cleanup the cfg after lsr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20410 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 21:56:00 +00:00
Andrew Lenharth
74d00d860e remove 32 sign extend after 32 sextload and handle small negative constant 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20408 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 17:23:03 +00:00
Andrew Lenharth
e4f161c909 Added LSR as a beta pass for alpha 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20407 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 17:21:38 +00:00
Chris Lattner
0c7490617a Add a temporary option for llc-beta: -enable-lsr-for-ppc, which turns on 
Loop Strength Reduction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20399 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 06:19:22 +00:00
Reid Spencer
1af69a8131 Be slightly more accurate in an error message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20397 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 05:45:56 +00:00
Chris Lattner
ded3613fef Fix a nasty order of evaluation bug that Gabor Greif ran into. Here's an 
explanation from IRC:

	|sabre|	I think it's an order of evaluation thing
	|sabre|	for me, the RHS of the assignment is evaluated first
	|sabre|	getTypeDescription checks to see if ConcreteTypeDescription[Ty] contains anything
	|sabre|	since it doesn't, it computes and returns the value
	|sabre|	this gets put into the map.
	|sabre|	For you, the LHS is evaluated first.
	|sabre|	Map[Ty] (aka ConcreteTypeDescriptions[Ty]) inserts an empty string into the map, returning a reference
	|sabre|	getTypeDesc then sees the empty string in the map
	|sabre|	and returns it
	|sabre|	bork :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20394 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 03:54:43 +00:00
Chris Lattner
e4666594d0 Now that type does not derive from Value, these do not need to be virtual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20393 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 03:43:55 +00:00
Misha Brukman
00b95c311e Fix HTML-4.01 Strict compliance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20386 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 17:19:21 +00:00
Misha Brukman
98558aedbc Use a colon instead of a period since we're introducing a command list 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20385 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 17:15:23 +00:00
Reid Spencer
e0acb769f4 Correct a typo in Makefile.rules. 
Patch idea contributed by Vladimir Merzliakov.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20384 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 16:27:06 +00:00
Jeff Cohen
0456e4a079 Fixed the following LSR bugs: 
* Loop invariant code does not dominate the loop header, but rather
    the end of the loop preheader.

  * The base for a reduced GEP isn't a constant unless all of its
    operands (preceding the induction variable) are constant.

  * Allow induction variable elimination for the simple case after all.

Also made changes recommended by Chris for properly deleting
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20383 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 03:46:11 +00:00
Alkis Evlogimenos
d0656fc94d Lower llvm.isunordered(a, b) into a != a | b != b. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20382 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 02:07:58 +00:00
Chris Lattner
2a61536848 cleanup my miswording 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20381 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:47:14 +00:00
Chris Lattner
ca76f357b9 Remove tabs from file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20380 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:36:15 +00:00
Chris Lattner
47adf21d06 Add a test for llvm.prefetch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20379 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:31:42 +00:00
Chris Lattner
33e9d29b3b Add support to the C backend for llvm.prefetch. Patch contributed by 
Justin Wick!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20378 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:29:46 +00:00
Chris Lattner
edac2d1a80 recognize llvm.prefetch. Patch contributed by Justin Wick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20377 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:28:00 +00:00
Chris Lattner
6f72282e02 Verify llvm.prefetch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20376 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:27:42 +00:00
Chris Lattner
0942b7caf1 Lower prefetch to a noop, patch contributed by Justin Wick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20375 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:27:23 +00:00
Chris Lattner
f9d27a8967 Add a prefetch intrinsic, patch contributed by Justin Wick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20374 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:25:57 +00:00
Chris Lattner
9a9d7ac835 Document llvm.prefetch, patch contributed by Justin Wick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20373 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:24:19 +00:00
Andrew Lenharth
e699e95571 fix integer division and stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20372 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 17:22:18 +00:00
Chris Lattner
d7934542c6 Adam Treat implemented this :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20371 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 16:52:28 +00:00
Reid Spencer
837149c08d Changes to enable creation of native executables directly from gccld and to 
ensure that -L paths don't contain both bytecode and native libraries.
This patch contributed by Adam Treat.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20370 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 08:45:35 +00:00
Reid Spencer
f8b235dd8f A few small steps toward HTML 4.01 Strict compliance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20369 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 01:10:48 +00:00
Reid Spencer
5175b82ecc Add a little more detail about the configuration process for projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20368 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 00:40:29 +00:00
Jeff Cohen
14dc638081 Fix crash in LSR due to attempt to remove original induction variable. However, 
for reasons explained in the comments, I also deactivated this code as it needs
more thought.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20367 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 00:08:56 +00:00
Jeff Cohen
5e1e5e13ff PHI nodes were incorrectly placed when more than one GEP is reduced in a loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20360 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 21:08:04 +00:00
Jeff Cohen
f465db6c6a First pass at improved Loop Strength Reduction. Still not yet ready for prime time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20358 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 19:37:07 +00:00
Chris Lattner
2a3cdf7e34 Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20357 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 19:31:02 +00:00
Chris Lattner
81ddb8aaf3 New testcase for PR529 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20356 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 19:28:30 +00:00
Chris Lattner
a97cf21383 Fix this to create a recursive mutex. Patch by Evan Jones! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20355 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 19:07:36 +00:00
Chris Lattner
3e27952a8b Use const iterators where possible. Patch by Evan Jones! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20354 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 19:06:10 +00:00
Chris Lattner
210bef19ef Rename include guard, patch contributed by Evan Jones! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20353 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 19:05:24 +00:00
Chris Lattner
35c81b0b12 Teach globalopt how memset/cpy/move affect memory, to allow better optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20352 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 18:58:52 +00:00
Chris Lattner
b503cc4363 new testcase globalopt should handle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20351 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 18:48:19 +00:00
Chris Lattner
5926ca209e new testcase globalopt should implement 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20350 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 18:47:17 +00:00
Chris Lattner
9e2888609c Test that a global is marked constant when it can be. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20349 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 18:19:26 +00:00
Alkis Evlogimenos
eebaf33b5d Add llc to tools. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20345 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 10:21:37 +00:00
Chris Lattner
da895d6337 Fix spelling, patch contributed by Gabor Greif! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20343 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 06:18:25 +00:00
Chris Lattner
f8db8a0432 Fix spelling, patch contributed by Gabor Greif 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20342 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 06:15:51 +00:00
Chris Lattner
47b72fbf29 Fix misspellings, patch contributed by Gabor Greif! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20341 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 06:14:21 +00:00
Chris Lattner
e56509c697 Remove some stuff I checked in accidentally 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20340 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 04:32:35 +00:00
Chris Lattner
7192e501eb DCE a dead function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20339 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-26 23:36:45 +00:00
Reid Spencer
eaa06bb979 Implement an isBytecodeArchive method to determine if an archive contains 
bytecode file members or not.
Patch Contributed By Adam Treat


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20338 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-26 22:00:32 +00:00
Chris Lattner
7ffc07dcf7 1 + 100 + 51 == 152, not 52. 
If we fold three constants together (c1+c2+c3), make sure to keep
LHSC updated, instead of reusing (in this case), the 1 instead of the
partial sum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20337 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-26 18:50:19 +00:00
Chris Lattner
fe75292503 A testcase that we miscompile, noticed from the demo page. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20336 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-26 18:49:04 +00:00
Chris Lattner
803513b364 Fix a case where we incorrectly returned hasComputableLoopEvolution for 
a ternary commutative expr.  Remove FIXME that does not need to be fixed
(can't happen).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20335 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-26 18:40:02 +00:00
Chris Lattner
be54dcc8a9 remove extraneous cast 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20334 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-26 18:33:28 +00:00