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643 Commits

Author SHA1 Message Date
Chris Lattner b94550e537 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
llvm-svn: 9269
 2003-10-19 21:34:28 +00:00
Chris Lattner f5d946eced Make use of "external" depth-first iterators to avoid revisiting nodes 
multiple times.  This reduces the time to construct post-dominance sets a LOT.
For example, optimizing perlbmk goes from taking 12.9894s to 1.4074s.

llvm-svn: 9091
 2003-10-13 16:36:06 +00:00
Chris Lattner 44d2c3514a Regularize header file comments 
llvm-svn: 9071
 2003-10-13 03:32:08 +00:00
Chris Lattner e43629bad6 Make getNumBackEdges more efficient 
llvm-svn: 9063
 2003-10-12 22:14:27 +00:00
Alkis Evlogimenos 6e739d0a3c Use std::string::size_type for for ColonPos to stop gcc from giving a warning 
llvm-svn: 8811
 2003-10-01 22:49:22 +00:00
Chris Lattner 66a473371f DOn't crash if program calls the null pointer 
llvm-svn: 8708
 2003-09-24 23:42:58 +00:00
Chris Lattner fd46711e1a Remove explicit use of BasicBlock::succ_iterator 
llvm-svn: 8706
 2003-09-24 22:18:35 +00:00
Chris Lattner 3c095c79fa Functions reachable from the arguments of unresolvable call nodes should 
not have their arguments marked complete

llvm-svn: 8639
 2003-09-20 23:58:33 +00:00
Chris Lattner 413b7bde7c The Globals graph must become complete at the end of the BU phase! 
llvm-svn: 8638
 2003-09-20 23:27:05 +00:00
Chris Lattner 880b9aa10a Do not mark incoming arguments to functions complete if the function is pointed to by a global in the globals graph 
llvm-svn: 8637
 2003-09-20 22:24:04 +00:00
Chris Lattner 8c1a835806 Make sure to add global variable initializers to the Globals graph! 
llvm-svn: 8636
 2003-09-20 21:48:16 +00:00
Chris Lattner 71f747ea3d Don't consider incomplete nodes to be typesafe! 
llvm-svn: 8635
 2003-09-20 21:48:01 +00:00
Chris Lattner cc81b798e4 Remove trivially dead nodes was not removing nodes that were dead due to forwarding! 
llvm-svn: 8634
 2003-09-20 21:34:07 +00:00
Chris Lattner 689b681558 Add special case handling for calloc and realloc 
llvm-svn: 8630
 2003-09-20 16:50:46 +00:00
Chris Lattner 04d9cb6770 Switch from using CallInst's to represent call sites to using the LLVM 
CallSite class.  Now we can represent function calls by invoke instructions
too!

llvm-svn: 8629
 2003-09-20 16:34:13 +00:00
Chris Lattner 36b877ae7f Make this work better for constants that aren't necessarily in ANY graph, such as null pointers 
llvm-svn: 8628
 2003-09-20 16:12:57 +00:00
Chris Lattner 092af3f36e Fix bug: BasicAA/2003-09-19-LocalArgument.ll 
llvm-svn: 8615
 2003-09-20 03:08:47 +00:00
Chris Lattner b1fcb2b644 Keep track of the number of typed/untyped memory accesses theyre are in the program 
VS: ----------------------------------------------------------------------

llvm-svn: 8611
 2003-09-20 01:20:46 +00:00
Chris Lattner 233f2a0816 These two conditions are not exclusive!! 
llvm-svn: 8518
 2003-09-15 04:35:16 +00:00
Chris Lattner 5d0d3a2667 Make the print output more useful 
llvm-svn: 8517
 2003-09-15 04:29:37 +00:00
Misha Brukman 329983228f Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Chris Lattner bb9d03b9c0 Renamed DominatorTree::Node::getNode() -> getBlock() 
llvm-svn: 8469
 2003-09-11 16:26:13 +00:00
Misha Brukman 250f976eb3 Spell `definitely' correctly. 
llvm-svn: 8466
 2003-09-11 15:31:17 +00:00
Chris Lattner 8157505fae Rework post dominator information so that we do not have to 
unify all exit nodes of a function to compute post-dominance information.
This does not work with functions that have both unwind and return nodes,
because we cannot unify these blocks.  The new implementation is better
anyway. :)

llvm-svn: 8460
 2003-09-10 20:37:08 +00:00
Chris Lattner 74d86a9c93 Remove using declarations 
llvm-svn: 8442
 2003-09-10 16:08:03 +00:00
Chris Lattner 66645df54c another trivial cleanup 
llvm-svn: 8435
 2003-09-10 14:55:05 +00:00
Chris Lattner 960a857dac Simplification of trip counting machinery. 
- make sure to check the indvar type before anything else (efficiency)
  - Make sure to insert the 'add' into the program, even though it'll be
    dead
  - Wrap code at 80 columns
  - Other minor cleanups to reduce indentation level

llvm-svn: 8434
 2003-09-10 14:51:49 +00:00
Chris Lattner 7ff9fe1231 Spelling fixes 
llvm-svn: 8429
 2003-09-10 05:24:09 +00:00
Chris Lattner 19b34d12c3 clean up file header comment 
llvm-svn: 8427
 2003-09-10 05:08:19 +00:00
Chris Lattner 42e7abceb5 Simplify some code 
llvm-svn: 8426
 2003-09-10 04:49:10 +00:00
Chris Lattner c4e76944d7 Fix bug: RLE-Preserve-Volatile.ll 
Volatile loads and stores must not be value numbered

llvm-svn: 8398
 2003-09-08 18:13:58 +00:00
Chris Lattner 641ac3ad3b This file is hopelessly out of date 
llvm-svn: 8298
 2003-09-01 20:14:00 +00:00
Chris Lattner 6f5e18d696 Replace M with F when refering to functions 
llvm-svn: 8274
 2003-08-31 20:36:52 +00:00
Chris Lattner 78a5c1aa3c Rename TarjanSCCIterator -> scc_iterator 
* Increases consistency with other iterators (e.g. df_iterator, po_iterator...)
  * It's shorter
  * We don't name classes by the implementation, we name it for the interface!

llvm-svn: 8273
 2003-08-31 20:01:57 +00:00
Chris Lattner bb6fe251ea Don't explicitly use the SCC class 
llvm-svn: 8271
 2003-08-31 19:55:06 +00:00
Chris Lattner 6b9d3efb64 Remove dead var 
llvm-svn: 8270
 2003-08-31 19:54:57 +00:00
Chris Lattner 4336db8d1d The SCC::HasLoop method is now in the main iterator 
llvm-svn: 8269
 2003-08-31 19:51:38 +00:00
Chris Lattner a687f44559 Remove explicit passing of SCC's around as objects. 
llvm-svn: 8267
 2003-08-31 19:46:48 +00:00
Chris Lattner 028f248ba8 Move the getAnalysisUsage method from the header file 
llvm-svn: 8264
 2003-08-31 19:40:57 +00:00
Chris Lattner 7d1a871ede The tarjan iterator now returns a reference to the current SCC, not a possibly null pointer! 
llvm-svn: 8262
 2003-08-31 19:35:16 +00:00
Chris Lattner 2ee82ff48e Minor cleanups 
Iterate from tarj_begin -> tarj_end, not from tarj_begin -> NULL

llvm-svn: 8260
 2003-08-31 19:29:52 +00:00
Chris Lattner 2f120bbb95 Indent classes correctly in the namespace 
move bodies out-of-line
Add getAnalysisUsage method for SFGSCC

llvm-svn: 8259
 2003-08-31 19:27:11 +00:00
Chris Lattner c4caf3ad67 * Cleanups 
* Iterate from tarj_begin -> tarj_end, not from tarj_begin -> NULL

llvm-svn: 8258
 2003-08-31 19:23:41 +00:00
Chris Lattner f7e9594843 Initial checkin of the CallGraphSCCPass class 
llvm-svn: 8247
 2003-08-31 01:54:59 +00:00
Chris Lattner 5f9be67e07 There is no reason for this to be a pass! 
llvm-svn: 8214
 2003-08-29 14:43:17 +00:00
Misha Brukman 7eb05a170a Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Chris Lattner c01f05f4be Fix the bug that broke the nightly tester in McCat/18-imp last night. :( 
llvm-svn: 7925
 2003-08-17 21:47:33 +00:00
Chris Lattner 7a991010d6 Fix bug: LoopPreheaders/2003-08-15-PreheadersFail.ll 
llvm-svn: 7915
 2003-08-16 20:57:16 +00:00
Vikram S. Adve 96c81e9fff Improvement to the previous fix: branch following a delay slot of 
another delayed instr. would cause the later sanity-check (assertion)
in PhyRegAlloc.cpp to fail, even though there is really no error.

llvm-svn: 7848
 2003-08-14 20:45:56 +00:00
Vikram S. Adve 869b11b7c4 For an instruction with delay slots, mark all live values before 
the instruction as being live before/after the delay slot
instructions as well.

llvm-svn: 7795
 2003-08-12 22:19:59 +00:00