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Author SHA1 Message Date
Alkis Evlogimenos
ff9482b664 Change MRegisterInfo::foldMemoryOperand to return the folded 
instruction to make the API more flexible.

llvm-svn: 12386
 2004-03-14 07:19:51 +00:00
Chris Lattner
cf5d48e8af Passes don't print stuff! 
llvm-svn: 12385
 2004-03-14 04:17:53 +00:00
Chris Lattner
7e7c3332b8 Do not create empty basic blocks when the lowerswitch pass expects blocks to 
be non-empty!  This fixes LowerSwitch/2004-03-13-SwitchIsDefaultCrash.ll

llvm-svn: 12384
 2004-03-14 04:14:31 +00:00
Chris Lattner
c143e195ba New testcase that crashes the -lowerswitch pass 
llvm-svn: 12383
 2004-03-14 04:13:57 +00:00
Chris Lattner
e52c176a7c Minor random cleanups 
llvm-svn: 12382
 2004-03-14 04:01:47 +00:00
Chris Lattner
f3b0377169 FunctionPass's should not define their own 'run' method. 
Require 'simplified' loops, not just raw natural loops.  This fixes
CodeExtractor/2004-03-13-LoopExtractorCrash.ll

llvm-svn: 12381
 2004-03-14 04:01:06 +00:00
Chris Lattner
39b3ae34bd If a block is dead, dominators will not be calculated for it. Because of this 
loop information won't see it, and we could have unreachable blocks pointing to
the non-header node of blocks in a natural loop.  This isn't tidy, so have the
loopsimplify pass clean it up.

llvm-svn: 12380
 2004-03-14 03:59:22 +00:00
Chris Lattner
f943b487c5 Catch some more cases of broken code. The loop extractor seems to be creating 
situations where there is a branch that goes to a block in another function.

llvm-svn: 12379
 2004-03-14 03:23:54 +00:00
Chris Lattner
b23b38259a Verify functions as they are produced if -debug is specified. Reduce 
curly braceage

llvm-svn: 12378
 2004-03-14 03:17:22 +00:00
Chris Lattner
17042ee9ad verifyFunction has been broken for a long time now. Fix it. 
llvm-svn: 12377
 2004-03-14 03:16:15 +00:00
Chris Lattner
1c752f73b9 New testcase that crashes the loop extractor 
llvm-svn: 12376
 2004-03-14 03:03:59 +00:00
Chris Lattner
46c006bb19 Move prototype to IPO.h instead of Scalar.h 
Make sure that the file interface header (IPO.h) is included first
remove dead #incldue

llvm-svn: 12375
 2004-03-14 02:37:16 +00:00
Chris Lattner
3bb91dafcd Move loop extractor to the IPO header 
llvm-svn: 12374
 2004-03-14 02:36:34 +00:00
Chris Lattner
3d96322890 Indent anon namespace properly, add copyright block 
llvm-svn: 12373
 2004-03-14 02:34:07 +00:00
Chris Lattner
1685a3af78 Move to the IPO library. Utils shouldn't contain passes. 
llvm-svn: 12372
 2004-03-14 02:32:27 +00:00
Chris Lattner
6d84c5547a Remove dead file 
llvm-svn: 12371
 2004-03-14 02:13:57 +00:00
Chris Lattner
5003f9e473 DemoteRegToStack got moved from DemoteRegToStack.h to Local.h 
llvm-svn: 12368
 2004-03-14 02:13:38 +00:00
Chris Lattner
7ed7f02c3a Move DemoteRegToStack prototype out of DemoteRegToStack.h to this file. 
llvm-svn: 12367
 2004-03-14 02:13:07 +00:00
Chris Lattner
2d65522a09 Document stuff that is known to be broken 
llvm-svn: 12366
 2004-03-14 02:03:02 +00:00
Chris Lattner
52ac108b28 Add some debugging output 
Fix InstCombine/2004-03-13-InstCombineInfLoop.ll which caused an infinite
loop compiling (I think) povray.

llvm-svn: 12365
 2004-03-13 23:54:27 +00:00
Chris Lattner
2620407c28 New testcase, distilled from povray I think. 
llvm-svn: 12364
 2004-03-13 23:53:04 +00:00
Chris Lattner
763b6c41d4 This change makes two big adjustments. 
* Be a lot more accurate about what the effects will be when inlining a call
   to a function when an argument is an alloca.
 * Dramatically reduce the penalty for inlining a call in a large function.
   This heuristic made it almost impossible to inline a function into a large
   function, no matter how small the callee is.

llvm-svn: 12363
 2004-03-13 23:15:45 +00:00
Chris Lattner
8d45aeaff1 This little patch speeds up the loop used to update the dominator set analysis. 
On the testcase from GCC PR12440, which has a LOT of loops (1392 of which require
preheaders to be inserted), this speeds up the loopsimplify pass from 1.931s to
0.1875s.  The loop in question goes from 1.65s -> 0.0097s, which isn't bad. All of
these times are a debug build.

This adds a dependency on DominatorTree analysis that was not there before, but
we always had dominatortree available anyway, because LICM requires both loop
simplify and DT, so this doesn't add any extra analysis in practice.

llvm-svn: 12362
 2004-03-13 22:01:26 +00:00
Chris Lattner
228bd4e931 Turn on argument promotion in gccas. This can give us substantially better 
code in cases where the file has lots of static functions or anon namespaces.

llvm-svn: 12361
 2004-03-13 21:38:35 +00:00
Chris Lattner
4fc81f57f8 Option no more 
llvm-svn: 12360
 2004-03-13 19:36:30 +00:00
Chris Lattner
a2f653d0cc Fix the "infinite looping unless you disable adce" bug 
Also remove an option to disable adce :)

llvm-svn: 12359
 2004-03-13 19:35:54 +00:00
Chris Lattner
37b7966121 Fix a tiny bug that caused an incorrect assertion failure poolallocating 
boxed-sim.

llvm-svn: 12358
 2004-03-13 01:14:23 +00:00
Chris Lattner
b45245327e It helps if I save the file. :) 
llvm-svn: 12357
 2004-03-13 00:24:52 +00:00
Chris Lattner
f7bc6fd913 Rename the intrinsic enum values for llvm.va_* from Intrinsic::va_* to 
Intrinsic::va*.  This avoid conflicting with macros in the stdlib.h file.

llvm-svn: 12356
 2004-03-13 00:24:00 +00:00
Chris Lattner
e10c6cd509 Implement sub.ll:test14 
llvm-svn: 12355
 2004-03-13 00:11:49 +00:00
Chris Lattner
ca9c4f43bd Oh right, casts can interfere. Test this too 
llvm-svn: 12354
 2004-03-13 00:11:38 +00:00
Chris Lattner
284e9ab607 Implement InstCombine/sub.ll:test12 & test13 
llvm-svn: 12353
 2004-03-12 23:53:13 +00:00
Chris Lattner
c9f684b1a0 new testcases 
llvm-svn: 12352
 2004-03-12 23:52:51 +00:00
Chris Lattner
bb08e801d4 Fix a couple of minor problems. Because PHI nodes can use themselves, this 
could cause infinite loops.  Also, getUnderlyingObject can return null

llvm-svn: 12351
 2004-03-12 23:12:55 +00:00
John Criswell
a9c937b8ec Performed some updates on the new options to these command line tools. 
llvm-svn: 12350
 2004-03-12 22:45:35 +00:00
Chris Lattner
6bd3783ef8 Implement mod/ref analysis for a trivial case where locals don't escape. 
This comes up when you have a local array on the stack and you never pass
the address of elements around.

llvm-svn: 12349
 2004-03-12 22:39:00 +00:00
Chris Lattner
0a30c883d1 new testcase 
llvm-svn: 12348
 2004-03-12 22:38:31 +00:00
Brian Gaeke
3cae3bad22 Revise comment and error message for the Bug 38 situation. Also, make it 
print out the name of the function being used.

llvm-svn: 12347
 2004-03-12 21:37:46 +00:00
John Criswell
ef6d2c5e2d Fixed grammar typo. 
llvm-svn: 12345
 2004-03-12 21:29:42 +00:00
Brian Gaeke
5bc633f691 Make -print-machineinstrs show us the code both before and after reg. alloc. 
llvm-svn: 12344
 2004-03-12 21:19:08 +00:00
John Criswell
5582d9fa8c Fixed grammar typo. 
llvm-svn: 12343
 2004-03-12 21:19:06 +00:00
John Criswell
fa5de7356d Added minor information on C++. 
llvm-svn: 12341
 2004-03-12 20:42:16 +00:00
John Criswell
7a899eb1ed Updated to LLVM 1.2. 
Added information on getting the LLVM GCC front end from CVS.
Added new configure script options.
Made other minor corrections and modifications.

llvm-svn: 12340
 2004-03-12 20:31:37 +00:00
Chris Lattner
385008f77f Fix PR266: Make Module Not Inherit From Annotable 
llvm-svn: 12339
 2004-03-12 19:51:16 +00:00
John Criswell
75c15a39e4 Point to the new license (includes year 2004). 
Changed crtend.o to libcrtend.a.

llvm-svn: 12338
 2004-03-12 18:20:15 +00:00
John Criswell
d1f0201915 Added a header indicating that the Linux and MacOS configure procedures are 
the same.

Added LLVM copyright and warranty disclaimer information.

llvm-svn: 12337
 2004-03-12 18:02:17 +00:00
Alkis Evlogimenos
da990ad8a4 Add support for a wider range of CMOV instructions. 
llvm-svn: 12336
 2004-03-12 17:59:56 +00:00
John Criswell
da991bfce9 Updated copyright to year 2004. 
llvm-svn: 12335
 2004-03-12 17:29:20 +00:00
Misha Brukman
ffcf81a11b Simplify code to process CallSites (thanks to Chris). 
llvm-svn: 12334
 2004-03-12 16:20:49 +00:00
Misha Brukman
e0c28773b4 Test the mod/ref analysis in DSA. 
llvm-svn: 12333
 2004-03-12 06:17:22 +00:00