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67 Commits

Author SHA1 Message Date
Chris Lattner
bdacd87957 Fix a bug in the previous checkin that broke 255.vortex 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16355 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-15 02:34:40 +00:00
Chris Lattner
fb3ee1930b Make sure to update alias analysis information as we transform the function. 
This fixes PR420 and Regression/Transforms/LICM/2004-09-14-AliasAnalysisInvalidate.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16348 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-15 01:04:07 +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
Chris Lattner
eaa243039b Fix hoisting of void typed values, e.g. calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15263 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:38:32 +00:00
Chris Lattner
56b7ee20da Now that dominator tree children are built in determinstic order, this horrible code 
can go away


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14254 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 20:23:35 +00:00
Chris Lattner
edb8433c91 Fix one source of nondeterminism in the -licm pass: the hoist pass 
was processing blocks in whatever order they happened to end up in the
dominator tree data structure.  Force an ordering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14248 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 08:56:43 +00:00
Brian Gaeke
802daf8b7d Fix typo in DEBUG printout. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14196 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 07:26:52 +00:00
Chris Lattner
2741c97104 Adjust to the changes in the AliasSetTracker interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13690 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:20:19 +00:00
Chris Lattner
3280f7bd55 Move isLoopInvariant to the Loop class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13051 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:46:08 +00:00
Chris Lattner
5fa802fe27 Loop exit sets are no longer explicitly held, they are dynamically computed on demand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13046 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:15:13 +00:00
Chris Lattner
118dd0ce3d 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12415 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-15 04:11:30 +00:00
Chris Lattner
529429224c Update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11082 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 20:09:22 +00:00
Chris Lattner
329c1c6c94 Improve encapsulation in the Loop and LoopInfo classes by eliminating the 
getSubLoops/getTopLevelLoops methods, replacing them with iterator-based
accessors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-08 00:09:44 +00:00
Chris Lattner
a3df8a964a Remove the wierd "Operands" loop, by traversing basicblocks in reverse order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10536 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 08:18:16 +00:00
Chris Lattner
e4365b2e8c Implement LICM/sink_multiple.ll, by sinking all possible instructions in the 
loop before hoisting any.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10534 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-19 07:22:45 +00:00
Chris Lattner
ba7df4c482 When we delete instructions from the loop, make sure to remove them from the 
AliasSetTracker as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10507 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 08:12:32 +00:00
Chris Lattner
00ad4a2d17 Do not promote volatile alias sets into registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10458 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-14 04:52:31 +00:00
Chris Lattner
ea9403f2aa Fix LICM/2003-12-11-SinkingToPHI.ll, and quite possibly all of the other known problems in the universe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10409 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-11 22:23:32 +00:00
Chris Lattner
7d3ced934f Fix bug: LICM/sink_multiple_exits.ll 
Thanks for pointing this out John  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10387 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-10 22:35:56 +00:00
Chris Lattner
df45bd3803 Don't allow dead instructions to stop sinking early. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10386 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-10 20:43:29 +00:00
Chris Lattner
e3cfe8d563 Simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10371 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-10 16:58:24 +00:00
Chris Lattner
f594a03197 Avoid performing two identical lookups when one will suffice 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10370 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-10 16:57:24 +00:00
Chris Lattner
0ed2da9ac7 Make LICM itself a bit more efficient, and make the generated code more efficient too: don't insert a store in every exit block, because a particular block may be exited to more than once by a loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10369 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-10 15:56:24 +00:00
Chris Lattner
a2706518f9 Implement instruction sinking out of loops. This still can do a little bit 
better job, but this is the majority of the work.  This implements
LICM/sink*.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10358 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-10 06:41:05 +00:00
Chris Lattner
ed6dfc2856 Refactor code a little bit, eliminating the gratuitous InstVisitor, which 
should make subsequent changes simpler.  This also allows us to hoist vaarg
and vanext instructions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10342 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-09 19:32:44 +00:00
Chris Lattner
92094b4d92 Fine grainify namespacification 
Code cleanups
Make LICM::SafeToHoist marginally more efficient


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10341 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-09 17:18:00 +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
Misha Brukman
ed1f7c81aa Declare FunctionPasses as such so that they can be used in FunctionPassManager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9768 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-07 17:20:18 +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
4a650af599 Wrap code at 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9073 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-13 05:04:27 +00:00
Chris Lattner
98bf436e2e Rename loop preheaders pass to loop simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9061 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-12 21:52:28 +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
43f820d1f7 Change the interface to PromoteMemToReg to also take a DominatorTree 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8883 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-05 21:20:13 +00:00
Chris Lattner
c444a4228f Renamed DominatorTree::Node::getNode() -> getBlock() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8469 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-11 16:26:13 +00:00
Misha Brukman
352361b409 Spell `definite' correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8467 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-11 15:32:37 +00:00
Chris Lattner
065a616ada Fix spell-o's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8431 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-10 05:29:43 +00:00
Chris Lattner
61c1e7e32d Do not hoist volatile loads 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8399 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-08 18:17:14 +00:00
Tanya Lattner
11a49a722f Fixed minor bug in SafeToHoist and made some changes suggested by Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7614 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-05 20:39:02 +00:00
Tanya Lattner
9966c03aad Fixed LICM bug that hoists trapping instructions that are not guaranteed to execute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7612 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-05 18:45:46 +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
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
0252e49f6d Convert LICM over to use AliasSetTracker. Besides being nicer, this automatically 
allows LICM to use access sizes to help alias analysis be more precise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5693 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-03 23:32:45 +00:00
Chris Lattner
fb743a937f Change the mem2reg interface to accept a TargetData argument 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5685 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-03 17:25:18 +00:00
Chris Lattner
caadc93f7b Fix bug: LICM/2003-02-28-PromoteDifferentType.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5675 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-28 19:21:40 +00:00
Chris Lattner
8601a9bf54 Fix bug: 2003-02-27-StoreSinkPHIs.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5658 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-27 21:59:36 +00:00
Chris Lattner
2d0a4a4eb8 Convert to work with new AliasAnalysis interface by conservatively assuming all pointers are arbitrarily large accesses 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5636 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-26 19:28:57 +00:00
Chris Lattner
2e6e741b73 Initial implementation of Loop invariant memory->scalar promotion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5613 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-24 03:52:32 +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
b461373fbc Fix bug in LICM that caused the previous big win. :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3980 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-29 22:26:07 +00:00