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11282 Commits

Author SHA1 Message Date
Chris Lattner e7ae4a8cb4 New testcase that crashes the -lowerswitch pass 
llvm-svn: 12383
 2004-03-14 04:13:57 +00:00
Chris Lattner 4fca71eb44 Minor random cleanups 
llvm-svn: 12382
 2004-03-14 04:01:47 +00:00
Chris Lattner 6c3e8c78cf 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 d078812f96 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 9ece94b02b 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 3684469326 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 b870ca7766 verifyFunction has been broken for a long time now. Fix it. 
llvm-svn: 12377
 2004-03-14 03:16:15 +00:00
Chris Lattner d828ad5089 New testcase that crashes the loop extractor 
llvm-svn: 12376
 2004-03-14 03:03:59 +00:00
Chris Lattner 78a996aec4 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 6d24a7ce8a Move loop extractor to the IPO header 
llvm-svn: 12374
 2004-03-14 02:36:34 +00:00
Chris Lattner 692a47aeb9 Indent anon namespace properly, add copyright block 
llvm-svn: 12373
 2004-03-14 02:34:07 +00:00
Chris Lattner 41ec709e00 Move to the IPO library. Utils shouldn't contain passes. 
llvm-svn: 12372
 2004-03-14 02:32:27 +00:00
Chris Lattner 96a7fbd503 Remove dead file 
llvm-svn: 12371
 2004-03-14 02:13:57 +00:00
Chris Lattner 8eebc49884 DemoteRegToStack got moved from DemoteRegToStack.h to Local.h 
llvm-svn: 12368
 2004-03-14 02:13:38 +00:00
Chris Lattner 3b18771d9f Move DemoteRegToStack prototype out of DemoteRegToStack.h to this file. 
llvm-svn: 12367
 2004-03-14 02:13:07 +00:00
Chris Lattner b911de4c39 Document stuff that is known to be broken 
llvm-svn: 12366
 2004-03-14 02:03:02 +00:00
Chris Lattner 7d2a539735 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 e561cb51de New testcase, distilled from povray I think. 
llvm-svn: 12364
 2004-03-13 23:53:04 +00:00
Chris Lattner 2dc85b27e4 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 797cb2f6c1 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 024385ba5f 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 84d0f63804 Option no more 
llvm-svn: 12360
 2004-03-13 19:36:30 +00:00
Chris Lattner 0ee372cfe3 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 652eb53dad 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 699aa70f0c It helps if I save the file. :) 
llvm-svn: 12357
 2004-03-13 00:24:52 +00:00
Chris Lattner 071a5e5649 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 022167f13b Implement sub.ll:test14 
llvm-svn: 12355
 2004-03-13 00:11:49 +00:00
Chris Lattner d689a5eb9c Oh right, casts can interfere. Test this too 
llvm-svn: 12354
 2004-03-13 00:11:38 +00:00
Chris Lattner 92295c5031 Implement InstCombine/sub.ll:test12 & test13 
llvm-svn: 12353
 2004-03-12 23:53:13 +00:00
Chris Lattner b4e933ba14 new testcases 
llvm-svn: 12352
 2004-03-12 23:52:51 +00:00
Chris Lattner f9e69b4553 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 13875932b2 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 a036253872 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 1f91c54600 new testcase 
llvm-svn: 12348
 2004-03-12 22:38:31 +00:00
Brian Gaeke afb74be0ce 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 5d6345a01b Fixed grammar typo. 
llvm-svn: 12345
 2004-03-12 21:29:42 +00:00
Brian Gaeke 1694dafece 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 eb55b52a58 Fixed grammar typo. 
llvm-svn: 12343
 2004-03-12 21:19:06 +00:00
John Criswell faba462a9a Added minor information on C++. 
llvm-svn: 12341
 2004-03-12 20:42:16 +00:00
John Criswell 64f13ab753 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 6e8d083a8b Fix PR266: Make Module Not Inherit From Annotable 
llvm-svn: 12339
 2004-03-12 19:51:16 +00:00
John Criswell d89dbd0236 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 50f289ace1 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 9884bda541 Add support for a wider range of CMOV instructions. 
llvm-svn: 12336
 2004-03-12 17:59:56 +00:00
John Criswell 18d7b688cf Updated copyright to year 2004. 
llvm-svn: 12335
 2004-03-12 17:29:20 +00:00
Misha Brukman 4483c9b864 Simplify code to process CallSites (thanks to Chris). 
llvm-svn: 12334
 2004-03-12 16:20:49 +00:00
Misha Brukman 8340686112 Test the mod/ref analysis in DSA. 
llvm-svn: 12333
 2004-03-12 06:17:22 +00:00
Misha Brukman a447feac33 Keep transitively-required passes alive for queries to work after the initial 
user pass is destroyed.

llvm-svn: 12332
 2004-03-12 06:16:28 +00:00
Misha Brukman bf28cf6b7d Evaluate ModRef information in addition to regular ol' pointer analysis. 
llvm-svn: 12331
 2004-03-12 06:15:08 +00:00
Misha Brukman 362841dccc Implement getModRefInfo() for DSA to calculate whether a function modifies or 
references a pointer.

llvm-svn: 12330
 2004-03-12 06:14:22 +00:00