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11113 Commits

Author SHA1 Message Date
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
Misha Brukman 386ef6dec8 Add AnalysisUsage::addRequiredTransitive() to keep analysis info alive for 
future queries by clients.

llvm-svn: 12329
 2004-03-12 06:13:15 +00:00
Chris Lattner fd747f8db8 test instruction combiner opts for select instruction 
llvm-svn: 12328
 2004-03-12 06:01:00 +00:00
Chris Lattner 8988f92470 Teach vim about the select instruction. Allow it to forget about the long-dead 
not instruction.

llvm-svn: 12327
 2004-03-12 05:55:07 +00:00
Chris Lattner be3c688488 Teach emacs about the select instruction 
llvm-svn: 12326
 2004-03-12 05:54:48 +00:00
Chris Lattner 75648e7ae4 Add support for checking the select instruction 
llvm-svn: 12325
 2004-03-12 05:54:31 +00:00
Chris Lattner 8337d4462f Know the opcode name of the select instruction 
llvm-svn: 12324
 2004-03-12 05:54:20 +00:00
Chris Lattner 6e415c06c2 Add support for select constant expressions. Use reserve a bit more to avoid 
memory wasteage.

llvm-svn: 12323
 2004-03-12 05:54:04 +00:00
Chris Lattner 16375e30b0 Add new function 
llvm-svn: 12322
 2004-03-12 05:53:41 +00:00
Chris Lattner 6ea4b52903 Teach the constant folder how to do select instructions 
llvm-svn: 12321
 2004-03-12 05:53:32 +00:00
Chris Lattner 52bd5cb967 Print select instructions correctly 
llvm-svn: 12320
 2004-03-12 05:53:14 +00:00
Chris Lattner cb015ee6c0 Add constant folding wrapper support for select instructions. 
llvm-svn: 12319
 2004-03-12 05:53:03 +00:00
Chris Lattner 59db22dcd4 Add sccp support for select instructions 
llvm-svn: 12318
 2004-03-12 05:52:44 +00:00
Chris Lattner b909e8b0d4 Add trivial optimizations for select instructions 
llvm-svn: 12317
 2004-03-12 05:52:32 +00:00
Chris Lattner 65a64e1e7a ADd support for select instructions 
llvm-svn: 12316
 2004-03-12 05:52:14 +00:00
Chris Lattner e7c9f6f7ae Write select instructions to bytecode 
llvm-svn: 12315
 2004-03-12 05:52:01 +00:00
Chris Lattner 92412466b6 Read select instrs from bytecode 
llvm-svn: 12314
 2004-03-12 05:51:49 +00:00
Chris Lattner 6536f0c35f Allow parsing select instruction and constant expr 
llvm-svn: 12313
 2004-03-12 05:51:36 +00:00
Chris Lattner 26cca63a7e Add the visitSelectInst visitor method 
llvm-svn: 12312
 2004-03-12 05:51:22 +00:00
Chris Lattner 5dec674075 Add the SelectInst class 
llvm-svn: 12311
 2004-03-12 05:51:05 +00:00