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5515 Commits

Author SHA1 Message Date
Chris Lattner 1ad80e2511 Fix bug: 2003-02-27-StoreSinkPHIs.ll 
llvm-svn: 5658
 2003-02-27 21:59:36 +00:00
Chris Lattner cabe8c0dac New testcase 
llvm-svn: 5657
 2003-02-27 21:59:31 +00:00
Chris Lattner 4f3b1d1808 Fix bug: LICM/2003-02-27-PreheaderProblem.ll 
There may be a single outside predecessor and
still need a new loop-preheader if the predecessor has multiple
successors.

llvm-svn: 5656
 2003-02-27 21:51:38 +00:00
Chris Lattner 4e2fbfb4c3 * Don't forget to update Loop information! 
* Remove bogus assertion: there may be a single outside predecessor and
    still need a new loop-preheader if the predecessor has multiple
    successors.  See bug: LICM/2003-02-27-PreheaderProblem.ll

llvm-svn: 5655
 2003-02-27 21:50:19 +00:00
Chris Lattner 209a688b55 Testcase for Preheaders problem 
llvm-svn: 5654
 2003-02-27 21:38:56 +00:00
Chris Lattner dbb05b0f09 Replace assertion with a handler. 
llvm-svn: 5653
 2003-02-27 20:55:48 +00:00
Chris Lattner 650096a061 * Significant changes to the preheader insertion pass: 
- Now we perform loop exit-block splitting to ensure exit blocks are
     always dominated by the loop header.
   - We now preserve dominance frontier information
   - This fixes bug: LICM/2003-02-26-LoopExitNotDominated.ll

llvm-svn: 5652
 2003-02-27 20:27:08 +00:00
Chris Lattner 079cd2acf1 Make the interface to update a little more efficient 
llvm-svn: 5651
 2003-02-27 20:24:17 +00:00
Chris Lattner b7b58f65c6 - LoopInfo now calculates and tracks loop exit blocks 
llvm-svn: 5650
 2003-02-27 00:38:34 +00:00
Chris Lattner 9ce4a2bb96 * LoopInfo now keeps track of exit blocks from the loop 
* New LoopInfo::isLoopHeader method
  * Remove some #if 0 code

llvm-svn: 5649
 2003-02-27 00:37:22 +00:00
Chris Lattner 355cbad370 New testcase crashing LICM 
llvm-svn: 5648
 2003-02-26 23:16:44 +00:00
Chris Lattner b5b0b7a934 Make the aliassettracker much more precise by actually tracking size 
information for various accesses.  What a concept.

llvm-svn: 5647
 2003-02-26 22:11:00 +00:00
Chris Lattner 256cc1d1b4 Fix test 
llvm-svn: 5646
 2003-02-26 22:01:58 +00:00
Chris Lattner 053994f5a6 Fix bug: BasicAA/2003-02-26-AccessSizeTest.ll 
llvm-svn: 5645
 2003-02-26 21:57:23 +00:00
Chris Lattner 22a8d51aa3 New testcase for size tracking brokenness 
llvm-svn: 5644
 2003-02-26 21:39:52 +00:00
Chris Lattner d98ac881ca Fix several bugs in basic-aa 
llvm-svn: 5643
 2003-02-26 21:28:49 +00:00
Chris Lattner 30f40d94cc Rename -no-* to -disable-* 
llvm-svn: 5642
 2003-02-26 20:00:41 +00:00
Chris Lattner dca12c77df Add new -no-aa implementation 
llvm-svn: 5641
 2003-02-26 19:57:10 +00:00
Chris Lattner d6a2a99a1b Move BasicAA pass out to it's own header file 
llvm-svn: 5640
 2003-02-26 19:41:54 +00:00
Chris Lattner ddfe676e71 BasicAA doesn't need a public header 
llvm-svn: 5639
 2003-02-26 19:41:46 +00:00
Chris Lattner e79b8319a6 Adjust to implement new AA interface 
llvm-svn: 5638
 2003-02-26 19:29:36 +00:00
Chris Lattner 13082d63dd Adjust to new AA interface 
llvm-svn: 5637
 2003-02-26 19:29:16 +00:00
Chris Lattner 71b82bb494 Convert to work with new AliasAnalysis interface by conservatively assuming all pointers are arbitrarily large accesses 
llvm-svn: 5636
 2003-02-26 19:28:57 +00:00
Chris Lattner 0edc91ff2a Calculate and pass load sizes to the alias analysis infrastructure 
llvm-svn: 5635
 2003-02-26 19:27:35 +00:00
Chris Lattner d1e3208147 Adjust to new AA interface 
Add tracking for Mod/Ref info

llvm-svn: 5634
 2003-02-26 19:27:05 +00:00
Chris Lattner 3a3118394c - Checkin of the alias analysis work: 
* Takes into account the size of the memory reference to determine aliasing.
    * Expose mod/ref information in a more consistent way
    * BasicAA can now disambiguate A[i][1] and A[j][2] for conservative request
      sizes

llvm-svn: 5633
 2003-02-26 19:26:51 +00:00
Chris Lattner 7b5727a400 Tweak to work with new AA implementation 
llvm-svn: 5632
 2003-02-26 19:25:04 +00:00
Chris Lattner c6bf7ec5e0 Checkin of new alias analysis interface: 
* Takes into account the size of the memory reference to determine aliasing.
  * Expose mod/ref information in a more consistent way

llvm-svn: 5631
 2003-02-26 19:24:47 +00:00
Chris Lattner d4ed5c67e9 Allow ImmutablePass's to require other immutable passes and to be initialized 
llvm-svn: 5630
 2003-02-26 19:10:57 +00:00
Chris Lattner daaf2982e7 * Un "protect" the getAnalysis<> functions 
* Add a new initializePass() method to ImmutablePass

llvm-svn: 5629
 2003-02-26 19:10:28 +00:00
Chris Lattner 1e3b79f901 Remove implemented projects 
llvm-svn: 5628
 2003-02-26 16:38:22 +00:00
Chris Lattner e1f59b6e01 Update programmers manual for renamed method 
llvm-svn: 5627
 2003-02-26 16:38:15 +00:00
Chris Lattner dbb8c65e26 Hopefully final tweak to this testcase 
llvm-svn: 5626
 2003-02-26 16:18:00 +00:00
Chris Lattner 90aed35455 Add a new test for basicaa 
llvm-svn: 5625
 2003-02-25 21:43:37 +00:00
Chris Lattner 13b3e5bdab Fix typeo 
llvm-svn: 5624
 2003-02-25 21:14:59 +00:00
Chris Lattner ae1f73b4f5 Remove wierd case that can never happen 
llvm-svn: 5623
 2003-02-25 20:27:09 +00:00
Chris Lattner a5dc1ec0a4 Add new helper template function 
llvm-svn: 5622
 2003-02-25 00:00:50 +00:00
Chris Lattner 49952645c8 Fix testcase 
llvm-svn: 5621
 2003-02-24 23:14:07 +00:00
Chris Lattner 4869f3700e Rename Instruction::hasSideEffects() -> mayWriteToMemory() 
llvm-svn: 5620
 2003-02-24 20:48:32 +00:00
Chris Lattner 7606fb65c0 This is a substantial rewrite of the AliasSetTracker class which now uses 
a union-find based algorithm, is significantly faster, and is more general.
It will also scale to handle call instructions correctly, which is a nice
added bonus.

This includes a new pass -print-alias-sets which can be used to show how
alias sets are formed for a particular analysis.

llvm-svn: 5619
 2003-02-24 20:37:56 +00:00
Chris Lattner a65cd08dd8 Initial checkin of CallSite wrapper for Call/Invoke instructions 
llvm-svn: 5618
 2003-02-24 20:35:45 +00:00
Chris Lattner 9caf224833 Fix test 
llvm-svn: 5617
 2003-02-24 20:30:14 +00:00
Chris Lattner c2be148276 Make printing messages nicer 
llvm-svn: 5616
 2003-02-24 20:07:54 +00:00
Chris Lattner 940863bd22 Fix #endif 
llvm-svn: 5615
 2003-02-24 04:40:35 +00:00
Chris Lattner af9598f6a8 Add support for the slist extension 
llvm-svn: 5614
 2003-02-24 04:31:49 +00:00
Chris Lattner 45d67d6ea7 Initial implementation of Loop invariant memory->scalar promotion 
llvm-svn: 5613
 2003-02-24 03:52:32 +00:00
Chris Lattner 24545b6ec4 Tweak testcase 
llvm-svn: 5612
 2003-02-24 03:52:13 +00:00
Chris Lattner 15c1063736 New testcase for scalar promotion 
llvm-svn: 5611
 2003-02-24 03:52:04 +00:00
Chris Lattner 26f159046c Split mem2reg promotion into two parts: a function which does the work, and 
a pass which wraps the function.  This allows other passes to use the functionality

llvm-svn: 5610
 2003-02-22 23:57:48 +00:00
Chris Lattner 6dbd10c760 Add a new interface file for the PromoteMemToReg interface in the Utils library 
llvm-svn: 5609
 2003-02-22 23:04:52 +00:00