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Author SHA1 Message Date
Brian Gaeke
26deccbffb Add UMULrr and SMULrr instructions. 
llvm-svn: 12452
 2004-03-16 22:37:13 +00:00
Brian Gaeke
fd02eeae64 Use ! for comment char; it works in both Solaris as and GAS. 
llvm-svn: 12451
 2004-03-16 22:37:12 +00:00
Brian Gaeke
199ba20b20 Make getClass more robust by adding cLong. 
Add handling for Mul instruction.

llvm-svn: 12450
 2004-03-16 22:37:11 +00:00
Chris Lattner
3c03f0f6c9 Bug fixed 
llvm-svn: 12449
 2004-03-16 21:55:23 +00:00
Chris Lattner
3e32fd4275 New testcase for PR297 
llvm-svn: 12448
 2004-03-16 21:52:24 +00:00
Brian Gaeke
f6f76523cb Add a better head-of-file comment. 
llvm-svn: 12447
 2004-03-16 21:47:20 +00:00
Chris Lattner
92c015aa1f Bug not fixed after all 
llvm-svn: 12446
 2004-03-16 21:39:04 +00:00
Chris Lattner
29b21e6f44 Fix test 
llvm-svn: 12445
 2004-03-16 21:10:15 +00:00
Chris Lattner
8ebe4a5a17 Fix testcase 
llvm-svn: 12444
 2004-03-16 20:04:55 +00:00
Chris Lattner
c260cfab09 Punt if we see gigantic PHI nodes. This improves a huge interpreter loop 
testcase from 32.5s in -raise to take .3s

llvm-svn: 12443
 2004-03-16 19:52:53 +00:00
Chris Lattner
dc22f37eb5 Do not try to optimize PHI nodes with incredibly high degree. This reduces SCCP 
time from 615s to 1.49s on a large testcase that has a gigantic switch statement
that all of the blocks in the function go to (an intepreter).

llvm-svn: 12442
 2004-03-16 19:49:59 +00:00
Chris Lattner
2175b35b46 Do not copy gigantic switch instructions 
llvm-svn: 12441
 2004-03-16 19:45:22 +00:00
Chris Lattner
44aa3ab91d Fix bug in bug name. It must be the painkillers that I haven't been taking 
llvm-svn: 12440
 2004-03-16 09:01:10 +00:00
Chris Lattner
cf3356ea51 Implement a new feature in the CFE, moving a GCC extension from the unsupported 
to the supported list

llvm-svn: 12439
 2004-03-16 08:54:07 +00:00
Chris Lattner
f9f903a9d7 New testcase 
llvm-svn: 12437
 2004-03-16 08:49:48 +00:00
Chris Lattner
ba18aa789c boog fixed 
llvm-svn: 12436
 2004-03-16 08:40:35 +00:00
Chris Lattner
686a74c7ac Fix PR296: [execution engines] Unhandled cast constant expression 
llvm-svn: 12435
 2004-03-16 08:38:56 +00:00
Chris Lattner
9ae2b6acd7 Fix a regression from this patch: 
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20040308/013095.html

Basically, this patch only updated the immediate dominatees of the header node
to tell them that the preheader also dominated them.  In practice, ALL
dominatees of the header node are also dominated by the preheader.

This fixes: LoopSimplify/2004-03-15-IncorrectDomUpdate.
and PR293

llvm-svn: 12434
 2004-03-16 06:00:15 +00:00
Chris Lattner
593ec3e0aa New testcase for PR293 
llvm-svn: 12433
 2004-03-16 05:44:02 +00:00
Chris Lattner
d700a628ae Bug fixed 
llvm-svn: 12432
 2004-03-16 05:28:35 +00:00
Chris Lattner
2f94b41b01 foo Bug 291, bar PR291 
llvm-svn: 12431
 2004-03-16 05:18:24 +00:00
Chris Lattner
d35b758e7c foo bug291 bar PR 291 
llvm-svn: 12430
 2004-03-16 05:17:07 +00:00
Chris Lattner
a2fe0fb3be PR291 
Bug 291!

llvm-svn: 12429
 2004-03-16 05:16:05 +00:00
Chris Lattner
14cc177884 // Testcase from Bug 291 
llvm-svn: 12428
 2004-03-16 05:14:47 +00:00
Chris Lattner
c2eb0678d8 Add some missing functions. Make sure to handle calls together in case the 
client has another VN implementation that can VN calls.

llvm-svn: 12427
 2004-03-16 03:41:35 +00:00
Chris Lattner
83c74abb8e Fix thinko, and PR292 
llvm-svn: 12426
 2004-03-16 01:51:54 +00:00
Chris Lattner
5541c82383 Fix PR294 
llvm-svn: 12425
 2004-03-16 01:45:55 +00:00
Alkis Evlogimenos
6ac147a7fb Add LAHF instruction 
llvm-svn: 12424
 2004-03-15 17:20:14 +00:00
Chris Lattner
b9c53cdb65 Restore old inlining heuristic. As the comment indicates, this is a nasty 
horrible hack.

llvm-svn: 12423
 2004-03-15 06:38:14 +00:00
Chris Lattner
19ce9dbb05 Ok, the assertion was bogus. Calls that do not read/write memory should not 
have an alias set, just like adds and subtracts don't.

llvm-svn: 12422
 2004-03-15 06:28:07 +00:00
Chris Lattner
5654b5de80 This assertion is bogus now that calls do not necessarily read/write memory 
llvm-svn: 12421
 2004-03-15 06:24:15 +00:00
Chris Lattner
d8905ad834 Add counters for the number of calls elimianted 
llvm-svn: 12420
 2004-03-15 05:46:59 +00:00
Chris Lattner
62771c4bef Implement CSE of call instructions in the most trivial case. This implements 
GCSE/call_cse.ll

llvm-svn: 12419
 2004-03-15 05:44:59 +00:00
Chris Lattner
4a462392a0 New testcase for CSE of call instructions 
llvm-svn: 12418
 2004-03-15 05:44:29 +00:00
Chris Lattner
cd227e5bdb Fix a minor bug, implementing GCSE/call_pure_function.ll 
Also, add some stuff I missed before.

llvm-svn: 12417
 2004-03-15 04:18:28 +00:00
Chris Lattner
e48c972a67 Make sure that pure calls don't kill loads 
llvm-svn: 12416
 2004-03-15 04:17:53 +00:00
Chris Lattner
8a82176edc Implement LICM of calls in simple cases. This is sufficient to move around 
sin/cos/strlen calls and stuff.  This implements:
  LICM/call_sink_pure_function.ll
  LICM/call_sink_const_function.ll

llvm-svn: 12415
 2004-03-15 04:11:30 +00:00
Chris Lattner
ac4c05c9b2 New testcases to test LICM of call instructions 
llvm-svn: 12414
 2004-03-15 04:10:08 +00:00
Chris Lattner
b0cf0f89be Don't be COMPLETELY pessimistic in the face of function calls 
llvm-svn: 12413
 2004-03-15 04:08:36 +00:00
Chris Lattner
6a3efa7a38 Tweak argument 
llvm-svn: 12412
 2004-03-15 04:08:18 +00:00
Chris Lattner
a546ebb664 Deinline a couple of methods. Improve comment. 
llvm-svn: 12411
 2004-03-15 04:07:59 +00:00
Chris Lattner
cb99b04ead Deinline some virtual methods, provide better mod/ref answers through the 
use of the boolean queries

llvm-svn: 12410
 2004-03-15 04:07:29 +00:00
Chris Lattner
60c61e337a Pass through the boolean queries 
llvm-svn: 12409
 2004-03-15 04:06:46 +00:00
Chris Lattner
0ea40c6fac Teach basicaa about some stdc functions. 
llvm-svn: 12408
 2004-03-15 03:36:49 +00:00
Chris Lattner
275dd432ab Add two new methods which can be used to enable a bunch of transformations 
in common cases.

llvm-svn: 12407
 2004-03-15 01:58:54 +00:00
Chris Lattner
781ede7382 Mostly cosmetic improvements. Do fix the bug where a global value was considered an input. 
llvm-svn: 12406
 2004-03-15 01:26:44 +00:00
Chris Lattner
3933f4660f Assert that input blocks meet the invariants we expect 
Simplify the input/output finder.  All elements of a basic block are
instructions.  Any used arguments are also inputs.  An instruction can only
be used by another instruction.

llvm-svn: 12405
 2004-03-15 01:18:23 +00:00
Chris Lattner
d0a838b6c6 New testcase that causes the code extractor to generate bogus code. 
llvm-svn: 12404
 2004-03-15 00:08:49 +00:00
Chris Lattner
49038b7708 Fix several bugs in the loop extractor. In particular, subloops were never 
extracted, and a function that contained a single top-level loop never had
the loop extracted, regardless of how much non-loop code there was.

llvm-svn: 12403
 2004-03-15 00:02:02 +00:00
Chris Lattner
cfe9af750b No correctness fixes here, just minor qoi fixes: 
* Don't insert a branch to the switch instruction after the call, just
  make it a single block.
* Insert the new alloca instructions in the entry block of the original
  function instead of having them execute dynamically
* Don't make the default edge of the switch instruction go back to the switch.
  The loop extractor shouldn't create new loops!
* Give meaningful names to the alloca slots and the reload instructions
* Some minor code simplifications

llvm-svn: 12402
 2004-03-14 23:43:24 +00:00