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211 Commits

Author SHA1 Message Date
Chris Lattner
73559b1f4c Do not delete dead invoke instructions! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17897 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 16:32:28 +00:00
Chris Lattner
14051812ff Minor cleanups. There is no reason for SCCP to derive from instvisitor anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17825 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 07:15:04 +00:00
Chris Lattner
b77d5d8d50 Count more accurately 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17824 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 07:02:42 +00:00
Chris Lattner
7e529e4b3c Two minor improvements: 
1. Speedup getValueState by having it not consider Arguments.  It's better
    to just add them before we start SCCP'ing.
 2. SCCP can delete the contents of dead blocks.  No really, it's ok!  This
    reduces the size of the IR for subsequent passes, even though
    simplifycfg would do the same job.  In practice, simplifycfg does not
    run until much later than sccp in gccas


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17820 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:45:33 +00:00
Chris Lattner
ef36dfd31a rename InstValue to LatticeValue, as it holds for more than instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17818 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:03:30 +00:00
Chris Lattner
82bec2cff0 Substantially refactor the SCCP class into an SCCP pass and an SCCPSolver 
class.  The only changes are minor:

 * Do not try to SCCP instructions that return void in the rewrite loop.
   This is silly and fool hardy, wasting a map lookup and adding an entry
   to the map which is never used.
 * If we decide something has an undefined value, rewrite it to undef,
   potentially leading to further simplications.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17816 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 04:44:20 +00:00
Chris Lattner
1fca5ff62b Convert 'struct' to 'class' in various places to adhere to the coding standards 
and work better with VC++.  Patch contributed by Morten Ofstad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17281 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-27 16:14:51 +00:00
Chris Lattner
5d356a7c82 Handle undef values as undefined on the constant lattice 
ignore unreachable instructions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17044 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 18:09:41 +00:00
Chris Lattner
dd27827733 Use DEBUG instead of DebugFlag directly, as DebugFlag does not respect 
-debug-only!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16868 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 19:30:36 +00:00
Chris Lattner
4b50156049 Prototype these functions more accurately 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16432 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-20 04:43:15 +00:00
Reid Spencer
2da5c3dda6 Convert code to compile with vc7.1. 
Patch contributed by Paolo Invernizzi. Thanks Paolo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16368 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-15 17:06:42 +00:00
Reid Spencer
551ccae044 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-01 22:55:40 +00:00
Alkis Evlogimenos
15876bb28c Stop using getValues(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15487 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-04 08:44:43 +00:00
Reid Spencer
c88920df66 Delete a redundant if branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14967 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 08:34:52 +00:00
Reid Spencer
21cb67e16a bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14947 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:31:05 +00:00
Chris Lattner
80b2d6c8c4 This patch was contributed by Daniel Berlin! 
Speed up SCCP substantially by processing overdefined values quickly.  This
patch speeds up SCCP by about 30-40% on large testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-15 23:36:43 +00:00
Chris Lattner
2fc1230dd6 Fixes working towards PR341 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14839 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-15 01:50:47 +00:00
Chris Lattner
58b7b08ad7 Add SCCP support for constant folding calls, implementing: 
test/Regression/Transforms/SCCP/calltest.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12921 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:43:54 +00:00
Chris Lattner
28977af72a Support getelementptr instructions which use uint's to index into structure 
types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12653 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 01:30:19 +00:00
Chris Lattner
a2f652d420 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12442 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-16 19:49:59 +00:00
Chris Lattner
6e32372fcd Add sccp support for select instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12318 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-12 05:52:44 +00:00
Chris Lattner
c76d80342e Since 'load null' is undefined, we can make it do whatever we want. Returning 
a zero value is the most likely way to cause further simplification, so we do it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12197 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 22:16:24 +00:00
Chris Lattner
de512b5b2e Adjustments to support the new ConstantAggregateZero class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11474 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 05:55:15 +00:00
Chris Lattner
b16689b647 Don't use ConstantExpr::getShift anymore 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10791 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 19:08:43 +00:00
Chris Lattner
b7a5d3edee Use constantexprs for casts. Eliminate use of the ConstantHandling interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10779 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 17:43:40 +00:00
Chris Lattner
84831642e4 Fix fairly severe bug in my last checking where we treated all unfoldable 
constants as being "true" when evaluating branches.  This was introduced
because we now create constantexprs for the constants instead of failing the
fold.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10778 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 17:40:36 +00:00
Chris Lattner
c6a4d6a066 * Implement minor performance optimization for the getelementptr case 
* Implement SCCP of load instructions, implementing Transforms/SCCP/loadtest.ll
  This allows us to fold expressions like "foo"[2], even if the pointer is only
  a conditional constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10767 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 04:29:41 +00:00
Chris Lattner
1daee8b010 Implement SCCP/phitest.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10763 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-12 03:57:30 +00:00
Chris Lattner
d745602662 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10725 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-09 06:02:20 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
b576c94c15 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 19:43:21 +00:00
Chris Lattner
cda965e28a ADd support for the new varargs instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9225 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-18 05:56:52 +00:00
Misha Brukman
cf00c4ab3b Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9027 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-10 17:57:28 +00:00
Chris Lattner
929c6fbcbc Update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8965 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-08 16:56:11 +00:00
Chris Lattner
16b18fdc35 Use a set to keep track of which edges have been noticed as executable already 
to avoid reprocessing PHI nodes needlessly.  This speeds up the big bad PHI
testcase 43%: from 104.9826 to 73.5157s


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8964 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-08 16:55:34 +00:00
Chris Lattner
3d405b07b4 Minor fixes here and there 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8963 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-08 16:21:03 +00:00
Chris Lattner
7d275f459b Avoid building data structures we don't really need. This improves the runtime 
of a test that Bill Wendling sent me from 228.5s to 105s.  Obviously there is
more improvement to be had, but this is a nice speedup which should be "felt"
by many programs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8962 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-08 15:47:41 +00:00
Chris Lattner
36143fc444 Add support for the unwind instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8408 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-08 18:54:55 +00:00
Chris Lattner
99b28e632f Fix bug: SCCP/2003-08-26-InvokeHandling.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8152 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-27 01:08:35 +00:00
Misha Brukman
5560c9d49c Spell `necessary' correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-18 14:43:39 +00:00
Chris Lattner
6806f5614d DEBUG got moved to Support/Debug.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7492 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-01 22:15:03 +00:00
Chris Lattner
38b5ae4b48 Fix bug: SCCP/2003-06-24-OverdefinedPHIValue.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6883 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-06-24 20:29:52 +00:00
Misha Brukman
82c89b9f3a Hopefully, the final fix for `[Pp]ropogate'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6251 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-05-20 21:01:22 +00:00
Chris Lattner
1d16ec7381 Handle va_arg instruction correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6030 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-05-08 02:50:13 +00:00
Chris Lattner
bceb2b0061 Fix major problem with PHI node traversal: rechecking PHIs should go into 
the visit function.  The worklist is for when their lattice value changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5927 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-25 03:35:10 +00:00
Chris Lattner
9de28289f8 Minor non-functional changes: 
* Spell propagate right
  * Improve performance of phi node handling
  * Delete using directive
  * Other minor changes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5920 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-25 02:50:03 +00:00
Chris Lattner
e408e25132 Remove unnecesary &*'s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5872 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-23 16:37:45 +00:00
Chris Lattner
af663465d6 Make sure to _delete_ memory allocated by worklists 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4523 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-04 02:54:22 +00:00
Misha Brukman
a3bbcb5b66 Fix spelling of `propagate'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4423 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-29 23:06:16 +00:00
Chris Lattner
cb2610ea03 - Rename AnalysisUsage::preservesAll to getPreservesAll & preservesCFG to 
setPreservesCFG to be less confusing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4255 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-21 20:00:28 +00:00
Chris Lattner
a92f696b74 Updates to work with recent Statistic's changes: 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4002 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-01 22:38:41 +00:00
Chris Lattner
2a88bb7065 - Implement SCCP of getelementptr instructions 
- Implement SCCP of globals into ConstantExprs hopefully opening new
   opportunities for more SCCP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3555 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-30 23:39:00 +00:00
Chris Lattner
cc63f1c674 Eliminated the MemAccessInst class, folding contents into GEP class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3487 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-22 23:37:20 +00:00
Chris Lattner
48a4531ee4 Remove extra #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3322 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 18:17:32 +00:00
Chris Lattner
b804760b56 Remove support for unary operators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3318 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 17:53:45 +00:00
Chris Lattner
a6275ccdf5 * Add support for different "PassType's" 
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3113 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-26 21:12:46 +00:00
Chris Lattner
f629309f74 *** empty log message *** 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3016 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-07-23 18:06:35 +00:00
Chris Lattner
7e70829632 MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2779 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-06-25 16:13:24 +00:00
Chris Lattner
f016ea4ff8 Use the new DEBUG(x) macro to allow debugging code to be enabled on the commandline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2713 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-22 17:17:27 +00:00
Chris Lattner
7f9412b50d Fix bug: test/Regression/Transforms/SCCP/2002-05-21-InvalidSimplify.ll 
Improperly handling edges... by not marking them alive properly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2707 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-22 16:07:20 +00:00
Chris Lattner
618b4a11bb Fix bug: test/Regression/Transforms/SCCP/2002-05-20-MissedIncomingValue.ll 
That was causing a miscompilation of strtol/atoi plus others


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2669 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-20 20:48:03 +00:00
Chris Lattner
3dec1f2722 Add support for printing out statistics information when -stats is added to 
the command line


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2601 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:38:35 +00:00
Chris Lattner
022103b3f3 Merge all individual .h files into a single Scalar.h file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2537 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-07 20:03:00 +00:00
Chris Lattner
6d7491c3cc Add #include no longer included by llvm/Transforms/Scalar/ConstantProp.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2517 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-07 18:11:30 +00:00
Chris Lattner
071d0ad2f1 * Convert InstWorkList to vector instead of set, because on big programs it 
is empirically faster by a noticable margin, even though duplicates can
  happen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2511 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-07 04:29:32 +00:00
Chris Lattner
4c1061f58c Implement constant propogation of shift instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2471 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-06 03:01:37 +00:00
Chris Lattner
904ec289c2 Ok, really it only takes me 3 times to get this right! 
Now use #if 0 instead of #ifdef 0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2448 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-02 21:49:50 +00:00
Chris Lattner
52a9a1def8 Oops, disable debugging code all the way. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2447 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-02 21:47:40 +00:00
Chris Lattner
b9a6634466 * Finish the implementation of isEdgeFeasible this fixes bug: 
test/Regression/Transforms/SCCP/2002-05-02-EdgeFailure.ll
* SCCP now preserves the CFG:  It leaves conditional branches the way they
  are in the program, not simplifying them.  A seperate pass should eliminate
  the potentially dead basic blocks and edges in the CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2446 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-02 21:44:00 +00:00
Chris Lattner
59f0ce2a41 * Enable SCCP debugging to be turned on with a simple change of #define 
* Change worklist to a set so that duplicates cannot happen
* Add support for the invoke instruction
* Avoid marking store and free instructions as overdefined, since they
  cannot produce a value anyway.
* Inline the OperandChangedState implementation
* Add isEdgeFeasible in preparation to fix a bug.  Right now it behaves
  exactly as before.
* Remove obsolete comment about constant pools


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2445 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-02 21:18:01 +00:00
Chris Lattner
0e9c515439 * Simplify the code by not bothering to name the folded constant 
* Do not skip the instruction immediately after a folded instruction.  This
  was causing the testcase failure:
	test/Regression/Transforms/SCCP/2002-05-02-MissSecondInst.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2443 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-02 20:32:51 +00:00
Chris Lattner
0dbfc05a2a Significantly clean up SCCP pass. Now the two classes are merged and in 
an anonymous namespace where they belong.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2415 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-29 21:26:08 +00:00
Chris Lattner
c6f3ae5c66 Eliminate duplicate or unneccesary #include's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2397 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-29 17:42:12 +00:00
Chris Lattner
96c466b06a Add new optional getPassName() virtual function that a Pass can override 
to make debugging output a lot nicer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2395 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-29 14:57:45 +00:00
Chris Lattner
97e52e4336 Tighten up the AnalysisUsage of lots of passes, primarily to correctly indicate whether or not they invalidate the CFGA 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2386 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-28 21:27:06 +00:00
Chris Lattner
31bcdb822f Split ConstantVals.h into Constant.h and Constants.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2378 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-28 19:55:58 +00:00
Chris Lattner
f57b845547 * Rename MethodPass class to FunctionPass 
- Rename runOnMethod to runOnFunction
* Transform getAnalysisUsageInfo into getAnalysisUsage
  - Method is now const
  - It now takes one AnalysisUsage object to fill in instead of 3 vectors
    to fill in
  - Pass's now specify which other passes they _preserve_ not which ones
    they modify (be conservative!)
  - A pass can specify that it preserves all analyses (because it never
    modifies the underlying program)
* s/Method/Function/g in other random places as well


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2333 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-27 06:56:12 +00:00
Chris Lattner
f2361c5e5c Changes because the Terminator::getSuccessor function now FAILS if successor 
IDX is out of range instead of returning null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2332 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-27 03:15:45 +00:00
Chris Lattner
2a632551a7 Convert SCCP over to use InstVisitor instead of hand crafted switch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2286 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-18 15:13:15 +00:00
Chris Lattner
6428a27ee3 GEP instructions can never be constant propogated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2284 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-18 14:44:13 +00:00
Chris Lattner
73e214244f Move FunctionArgument out of iOther.h into Argument.h and rename class to 
be 'Argument' instead of FunctionArgument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2216 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-09 19:48:49 +00:00
Chris Lattner
237e6d10f2 s/Method/Function 
Remove extraneous #includes of llvm/Assembly/Writer


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2178 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-08 22:03:00 +00:00
Chris Lattner
968ddc921e ConstantHandling moved into VMCore library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2165 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-08 20:18:09 +00:00
Chris Lattner
79df7c0aaa Change references from Method to Function 
change references from MethodARgument to FunctionArgument


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1991 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-03-26 18:01:55 +00:00
Chris Lattner
0fce76a009 Fix bug: test/Regression/Other/2002-03-11-ConstPropCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1858 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-03-11 22:11:07 +00:00
Chris Lattner
bd0ef77cde Change over to use new style pass mechanism, now passes only expose small 
creation functions in their public header file, unless they can help it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1816 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-02-26 21:46:54 +00:00
Chris Lattner
221d688a5e Method.h no longer includes BasicBlock.h 
Method::inst_* is now in llvm/Support/InstIterator.h
GraphTraits specializations for BasicBlock and Methods are now in llvm/Support/CFG.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1746 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-02-12 21:07:25 +00:00
Chris Lattner
fcc93d2c0a MethodPass's are now guaranteed to not be run on external methods! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1611 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-31 00:51:24 +00:00
Chris Lattner
59b6b8e0b3 Move stuff out of the Optimizations directories into the appropriate Transforms 
directories.  Eliminate the opt namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1520 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-21 23:17:48 +00:00
Chris Lattner
697954c15d Changes to build successfully with GCC 3.02 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-20 22:54:45 +00:00
Chris Lattner
e9bb2df410 Rename ConstPoolVal -> Constant 
Rename ConstPool*   -> Constant*
Rename ConstPoolVals.h -> ConstantVals.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1407 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-12-03 22:26:30 +00:00
Chris Lattner
7061dc50b2 Split the PHINode class out from the iOther.h file into the iPHINode.h file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1405 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-12-03 18:02:31 +00:00
Chris Lattner
cee8f9ae67 Create a new #include "Support/..." directory structure to move things 
from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1400 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-27 00:03:19 +00:00
Chris Lattner
5b7d42b142 Misc cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1377 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-26 18:57:38 +00:00
Chris Lattner
37aabf28b3 Implemented constant propogation of cast instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1064 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-31 05:07:57 +00:00
Chris Lattner
5680ee6b28 Convert optimizations to the pass infrastructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@873 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-18 01:32:34 +00:00
Chris Lattner
93d39d23b4 Support the invoke instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@765 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-13 06:52:41 +00:00
Chris Lattner
b00c582b6d Commit more code over to new cast style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@697 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-02 03:41:24 +00:00
Chris Lattner
1d87bcf490 Convert more code to use new style casts 
Eliminate old style casts from value.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@696 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-01 20:11:19 +00:00
Chris Lattner
9636a91649 Add support for new style casts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@694 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-01 16:18:37 +00:00
Chris Lattner
b70d82fb39 * Eliminate reference to ConstantPool class 
* Constants are global objects that are not allocated or freed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@456 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-09-07 16:43:22 +00:00
Chris Lattner
57dbb3ad63 Moved inline/llvm/Tools/* to include/llvm/Support/* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-07-23 17:46:59 +00:00
Chris Lattner
bc7135f5c0 Support external methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-07-15 21:43:45 +00:00
Chris Lattner
3b7bfdb201 Add knowledge about the struct form of the GetElementPtr instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-07-14 06:11:51 +00:00
Chris Lattner
0bd654a049 Implement checking for new instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-07-08 21:18:49 +00:00
Chris Lattner
a41f50dea8 Broad superficial changes: 
* Renamed getOpcode to getOpcodeName
* Changed getOpcodeName to return a const char * instead of string
* Added a getOpcode method to replace getInstType
* Changed code to use getOpcode instead of getInstType


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-07-07 19:24:15 +00:00
Chris Lattner
c8b25d40cb Changed the fundemental architecture of Operands for Instructions. Now 
Operands are maintained as a vector<Use> in the User class, and operator
iterators are provided as before.  Getting an operand no longer requires
a virtual function call.

WARNING: getOperand(x) where x >= getNumOperands() will now assert instead
of returning null!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-07-07 08:36:50 +00:00
Chris Lattner
49c8f64747 Rename DoSparseConditionalConstantProp -> DoSCCP 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-06-30 06:37:43 +00:00
Chris Lattner
7e02b7e600 Optimizations got their own header files 
Optimizations now live in the 'opt' namespace
include/llvm/Opt was renamed include/llvm/Optimizations


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-06-30 04:36:40 +00:00
Chris Lattner
cb056de508 Added documentation. Constant fold terminators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-06-29 23:56:23 +00:00
Chris Lattner
138a124f09 Add a new Sparse Conditional Constant Propogation pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-06-27 23:38:11 +00:00