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2457 Commits

Author SHA1 Message Date
Chris Lattner 59821c5ce6 Complete rewrite of BU code to use Tarjan's SCC finding algorithm to drive 
the algorithm instead of hand coded depth first iteration

llvm-svn: 4694
 2002-11-11 21:35:13 +00:00
Brian Gaeke b2687880e2 InstSelectSimple.cpp: (visitReturnInst) Add return instructions with return 
values.
X86InstrInfo.def: add LEAVE instruction.

llvm-svn: 4691
 2002-11-11 19:37:09 +00:00
Chris Lattner dd3dd4abeb Mark stuff reachable by _AUX_ calls as incomplete in the BU graph 
llvm-svn: 4690
 2002-11-11 03:36:55 +00:00
Chris Lattner cca3599c0b Fix infinite loop in the BU algorithm. Unfortunately this dies a serious 
death when handling moderately sized SCC's, but what can you do

llvm-svn: 4689
 2002-11-11 00:01:34 +00:00
Chris Lattner 773da868a0 Print the right call set size 
llvm-svn: 4688
 2002-11-11 00:01:02 +00:00
Chris Lattner 6fa9a7f7f4 Use call site mergeWith method to simplify code 
llvm-svn: 4687
 2002-11-11 00:00:46 +00:00
Chris Lattner d7f9f635ec Fix a bug that could trigger when varargs call sites had non-matching number of arguments 
llvm-svn: 4683
 2002-11-10 07:46:08 +00:00
Chris Lattner 7b61563d99 * Dramatically rework liveness evaluation. 
* Implement the first step of the Globals graph: Deleting nodes from function
  graphs.  In practice, these nodes need to be moved to the globals graph, but
  this will be taken care of later.  Note that the graphs computed right now are
  not strictly correct!

llvm-svn: 4681
 2002-11-10 06:59:55 +00:00
Chris Lattner e79ce7d359 Honor the shouldPrintAuxCalls flag 
llvm-svn: 4678
 2002-11-10 06:53:59 +00:00
Chris Lattner 17da287408 Initialize PrintAuxCalls member 
llvm-svn: 4677
 2002-11-10 06:53:38 +00:00
Chris Lattner 3b83d797d6 * Bottom-Up graphs print the Aux call vector 
* Significantly improve DEBUG output
* Aggressively fold calls together if we inlined a graph that provides
  call nodes.
* Add a bailout if the current graph has over 200 call nodes in it, this is
  a really whacky case that should never happen.

llvm-svn: 4675
 2002-11-10 06:52:47 +00:00
Chris Lattner 52b8fc0c35 Fix testcase: FunctionResolve/2002-11-09-ExternFn.ll 
llvm-svn: 4668
 2002-11-10 03:36:55 +00:00
Chris Lattner 715a3a3b5c eliminate the ability to remove global nodes from deadNodeElminate... for now. 
This slows stuff down a bit, but it should get much better before it gets any
worse.

llvm-svn: 4666
 2002-11-09 22:07:02 +00:00
Chris Lattner 3e32cd8e8b Remove obsolete code 
llvm-svn: 4665
 2002-11-09 21:41:44 +00:00
Chris Lattner d185d2ce9d Fix logic 
llvm-svn: 4664
 2002-11-09 21:40:58 +00:00
Chris Lattner 4b1be35569 Add globals graphs to all three passes 
llvm-svn: 4663
 2002-11-09 21:12:07 +00:00
Chris Lattner 0de21ea32d Move maskNodeTypes to header file 
llvm-svn: 4661
 2002-11-09 21:02:26 +00:00
Chris Lattner 380d1ad4ab Clean up DSGraph::removeDeadNodes interface 
llvm-svn: 4660
 2002-11-09 21:00:49 +00:00
Chris Lattner e703c52b20 Make removeTriviallyDeadNodes a private interface of DSGraph 
llvm-svn: 4659
 2002-11-09 20:55:24 +00:00
Chris Lattner 2dd1adafa6 Don't put constants into the scalar map! 
llvm-svn: 4657
 2002-11-09 20:14:03 +00:00
Chris Lattner e742f31e0c Add initial support for a globals graph 
llvm-svn: 4656
 2002-11-09 20:01:01 +00:00
Chris Lattner 5737a600d7 Tighten up array handling 
llvm-svn: 4655
 2002-11-09 19:25:27 +00:00
Chris Lattner bcc12023ce #include Datastructure.h first 
llvm-svn: 4654
 2002-11-09 19:25:10 +00:00
Chris Lattner a2620ac156 Fix warning 
llvm-svn: 4649
 2002-11-09 00:49:43 +00:00
Chris Lattner 63aeefeafb Fix warning & release build 
llvm-svn: 4648
 2002-11-09 00:49:05 +00:00
Chris Lattner 0da31d6648 Fix spelling error 
llvm-svn: 4645
 2002-11-08 23:18:37 +00:00
Chris Lattner be46569ba1 Fold arrays down to a single element. This causes huge wins on some benchmarks 
for example: 197.parser (64M->14M), 164.gzip (14M->2.7M).  The actual graphs
represented should not change at all.

llvm-svn: 4643
 2002-11-08 22:49:57 +00:00
Chris Lattner 09a21dc2f5 ONLY merge in the aux call sites, this causes a HUGE speedup 
llvm-svn: 4640
 2002-11-08 22:27:25 +00:00
Chris Lattner 56363a05e6 Allow specification of whether the call sites should be copied, AND whether 
the aux call sites should be copied

llvm-svn: 4639
 2002-11-08 22:27:09 +00:00
Chris Lattner ef305cec98 Reenable 'quick exit' case 
llvm-svn: 4638
 2002-11-08 22:26:43 +00:00
Chris Lattner 2ea00e994e Reduce amount of work needed to compute ip/modref 
llvm-svn: 4637
 2002-11-08 22:17:01 +00:00
Chris Lattner 0c2f4bab3a Reimplement TD pass completely it now works 
llvm-svn: 4635
 2002-11-08 21:28:37 +00:00
Chris Lattner a06ac62a5e Cannot modify original call sites vector 
llvm-svn: 4634
 2002-11-08 21:27:37 +00:00
Chris Lattner c20122732e - Add a bunch of checking to make sure that dead nodes are not used after they 
are marked DEAD.  This helped track down some bugs
- Fix a bunch of bugs where we were doing work on nodes after they became dead
- Add support for aux function call sites
- Add support for not cloning call sites

llvm-svn: 4633
 2002-11-08 21:27:12 +00:00
Chris Lattner 639898c9bb Remove gunk used by broken TD pass 
llvm-svn: 4632
 2002-11-08 21:25:24 +00:00
Chris Lattner 17069b342a Use the new getMainFunction() method to efficiently locate main 
llvm-svn: 4630
 2002-11-08 20:34:21 +00:00
Chris Lattner 1f985e0d3c Add a method "getMainFunction()" that efficiently locates 'main' in a module 
llvm-svn: 4629
 2002-11-08 20:34:02 +00:00
Chris Lattner 465668552a Fix IPModRef to use new DS interface 
llvm-svn: 4628
 2002-11-08 19:13:14 +00:00
Chris Lattner 7a1da7c850 Implement feof 
llvm-svn: 4627
 2002-11-08 19:10:26 +00:00
Chris Lattner a075a5801b Use DSNodeHandleMap instead to be safe 
llvm-svn: 4622
 2002-11-08 05:01:14 +00:00
Chris Lattner 5e730ed972 * actually handle constants (especially constantexprs) correctly. 
- This seems to dramatically improve many benchmarks, only slowing down
    gzip significantly.

llvm-svn: 4621
 2002-11-08 05:00:44 +00:00
Chris Lattner b0c9b37048 Add flush 
llvm-svn: 4619
 2002-11-08 01:21:07 +00:00
Chris Lattner 5997c3d866 Fix bug: FunctionResolve/2002-11-07-RetMismatch.ll 
llvm-svn: 4618
 2002-11-08 00:38:20 +00:00
Chris Lattner 060ac498bb _REALLY_ fix the float constant problem 
llvm-svn: 4609
 2002-11-07 22:12:53 +00:00
Chris Lattner cffe417a68 Print out 'float' constants correctly 
llvm-svn: 4607
 2002-11-07 19:43:59 +00:00
Chris Lattner a41a195374 Implement freopen for burg 
llvm-svn: 4606
 2002-11-07 19:33:50 +00:00
Chris Lattner a2b4c6cc49 Make command line arguments setup be endian correct!! 
llvm-svn: 4605
 2002-11-07 19:29:31 +00:00
Brian Gaeke 9cbe229704 Add instruction selection code and tests for setcc instructions 
llvm-svn: 4603
 2002-11-07 17:59:21 +00:00
Chris Lattner 5904e63465 Implement ResolveCallSiteModRefInfo for IPModRef. computeModRef is not yet done though! 
llvm-svn: 4602
 2002-11-07 07:12:23 +00:00
Chris Lattner 5e865cdbe2 Instead of using a bool that constant has to be explained, use a self 
explanitory enum instead.

llvm-svn: 4600
 2002-11-07 07:06:20 +00:00