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71f281984d
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370 Commits

Author SHA1 Message Date
Chris Lattner
71f281984d Remove useless statistic, fix some slightly broken logic 
llvm-svn: 14958
 2004-07-18 07:22:58 +00:00
Chris Lattner
99e46b2e81 Fix a rather serious bug in previous checkin 
llvm-svn: 14957
 2004-07-18 06:56:58 +00:00
Reid Spencer
7f33869f9b bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage

llvm-svn: 14953
 2004-07-18 00:44:37 +00:00
Reid Spencer
51149979ce bug 122: 
- Minimize redundant isa<GlobalValue> usage

llvm-svn: 14948
 2004-07-18 00:32:14 +00:00
Reid Spencer
2bfe4ec3cf bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Rename methods to get ride of ConstantPointerRef usage

llvm-svn: 14945
 2004-07-18 00:25:04 +00:00
Reid Spencer
55d436cc07 bug 122: 
- Excise dead CPR procesing.

llvm-svn: 14944
 2004-07-18 00:23:51 +00:00
Chris Lattner
7d0108c315 Remove unused file 
llvm-svn: 14460
 2004-06-28 00:46:58 +00:00
Chris Lattner
975c95e99a These passes are long dead/obsolete. They never worked in the first place 
and are a maintenence burden.  Nuke nuke nuke

llvm-svn: 14457
 2004-06-28 00:44:18 +00:00
Misha Brukman
43f0a951fe File depends on DSA, moved to lib/Analysis/DataStructure 
llvm-svn: 14325
 2004-06-22 18:11:38 +00:00
Chris Lattner
8723083f3b Make order of argument addition deterministic. In particular, the layout 
of ConstantInt objects in memory used to determine which order arguments
were added in in some cases.

llvm-svn: 14276
 2004-06-21 00:07:58 +00:00
Chris Lattner
6324d6d00b Fix the inliner to be deterministic, not letting its output depend on the 
relative location of Function objects in memory.

llvm-svn: 14260
 2004-06-20 04:11:48 +00:00
Chris Lattner
8f9fb1d2ea Do not function resolve intrinsics. This prevents warnings and possible bad 
things from happening due to

declare bool %llvm.isunordered(double, double)
declare bool %llvm.isunordered(float, float)

llvm-svn: 14219
 2004-06-18 05:50:48 +00:00
Chris Lattner
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
John Criswell
e56868d266 Fix a bug in the -deadtypeelim pass. The SymbolTable re-write changed it 
to eliminate the wrong type.

llvm-svn: 13855
 2004-05-27 21:16:46 +00:00
Reid Spencer
fec48b0d9d Convert to SymbolTable's new iteration interface. 
llvm-svn: 13754
 2004-05-25 08:53:40 +00:00
Chris Lattner
79409ebc27 Fix a bug in my previous checkin 
llvm-svn: 13717
 2004-05-24 06:24:46 +00:00
Chris Lattner
fbdf40f86a Fix cases where we missed inlining some more obvious candidates because the 
caller was in an SCC.

llvm-svn: 13693
 2004-05-23 21:22:17 +00:00
Chris Lattner
bf8b81252f Simplify the interface and remove an unneeded #include 
llvm-svn: 13692
 2004-05-23 21:21:35 +00:00
Chris Lattner
fee8ce6131 Fairly substantial changes to update the alias analysis we are querying as 
we make the transformation.  This allows us to use interprocedural alias
analyses successfully.

llvm-svn: 13691
 2004-05-23 21:21:17 +00:00
Misha Brukman
1dc8e19185 Clarify the logic: the flag is renamed to `deleteFn' to signify it will delete 
the function instead of isolating it. This also means the condition is reversed.

llvm-svn: 13112
 2004-04-22 23:00:51 +00:00
Misha Brukman
ddace6ecbe Add a flag to choose between isolating a function or deleting the function from 
the Module. The default behavior keeps functionality as before: the chosen
function is the one that remains.

llvm-svn: 13111
 2004-04-22 22:52:22 +00:00
Chris Lattner
7d02bae5d8 Fix an incredibly nasty iterator invalidation problem. I am too spoiled by ilists :) 
Eventually it would be nice if CallGraph maintained an ilist of CallGraphNode's instead
of a vector of pointers to them, but today is not that day.

llvm-svn: 13100
 2004-04-21 20:44:33 +00:00
Chris Lattner
ade6ddc694 Fix typeo 
llvm-svn: 13089
 2004-04-21 14:23:18 +00:00
Chris Lattner
15eb3c1f39 REALLY fix PR324: don't delete linkonce functions until after the SCC traversal 
is done, which avoids invalidating iterators in the SCC traversal routines

llvm-svn: 13088
 2004-04-20 22:06:53 +00:00
Chris Lattner
5a1e3f099f Fix PR324 and testcase: Inline/2004-04-20-InlineLinkOnce.llx 
llvm-svn: 13080
 2004-04-20 20:20:59 +00:00
Chris Lattner
7174acca00 Change the ExitBlocks list from being explicitly contained in the Loop 
structure to being dynamically computed on demand.  This makes updating
loop information MUCH easier.

llvm-svn: 13045
 2004-04-18 22:14:10 +00:00
Chris Lattner
a3d3872a88 Actually update the call graph as the inliner changes it. This allows us to 
execute other CallGraphSCCPasses after the inliner without crashing.

llvm-svn: 12861
 2004-04-12 05:37:29 +00:00
Chris Lattner
af22e5f826 Stop printing Function* 
llvm-svn: 12857
 2004-04-12 04:06:56 +00:00
Chris Lattner
1c83ee0436 Simplify code a bit, and be sure to mark the external node as potentially throwing 
llvm-svn: 12856
 2004-04-12 04:06:38 +00:00
Chris Lattner
77beb73ce2 Remove the "really gross hacks" that are there to deal with recursive functions. 
Now we collect all of the call sites we are interested in inlining, then inline
them.  This entirely avoids issues with trying to inline a call site we got by
inlining another call site.  This also eliminates iterator invalidation issues.

llvm-svn: 12770
 2004-04-08 06:34:31 +00:00
Chris Lattner
521d687d11 Add statistics to the loop extractor. The loop extractor has successfully 
extracted all 63 loops for Olden/bh without crashing and without
miscompiling the program!!!

llvm-svn: 12491
 2004-03-18 05:46:10 +00:00
Chris Lattner
c835211d82 Fix problem with PHI nodes having multiple predecessors from different 
exit nodes

llvm-svn: 12490
 2004-03-18 05:43:18 +00:00
Chris Lattner
55114016ea The code extractor needs dominator info. Provide it 
llvm-svn: 12483
 2004-03-18 03:48:06 +00:00
Chris Lattner
b9c53cdb65 Restore old inlining heuristic. As the comment indicates, this is a nasty 
horrible hack.

llvm-svn: 12423
 2004-03-15 06:38:14 +00:00
Chris Lattner
49038b7708 Fix several bugs in the loop extractor. In particular, subloops were never 
extracted, and a function that contained a single top-level loop never had
the loop extracted, regardless of how much non-loop code there was.

llvm-svn: 12403
 2004-03-15 00:02:02 +00:00
Chris Lattner
95c238ef5b Split into two passes. Now there is the general loop extractor, usable on 
the command line, and the single loop extractor, usable by bugpoint

llvm-svn: 12390
 2004-03-14 20:01:36 +00:00
Chris Lattner
cf5d48e8af Passes don't print stuff! 
llvm-svn: 12385
 2004-03-14 04:17:53 +00:00
Chris Lattner
f3b0377169 FunctionPass's should not define their own 'run' method. 
Require 'simplified' loops, not just raw natural loops.  This fixes
CodeExtractor/2004-03-13-LoopExtractorCrash.ll

llvm-svn: 12381
 2004-03-14 04:01:06 +00:00
Chris Lattner
46c006bb19 Move prototype to IPO.h instead of Scalar.h 
Make sure that the file interface header (IPO.h) is included first
remove dead #incldue

llvm-svn: 12375
 2004-03-14 02:37:16 +00:00
Chris Lattner
3d96322890 Indent anon namespace properly, add copyright block 
llvm-svn: 12373
 2004-03-14 02:34:07 +00:00
Chris Lattner
1685a3af78 Move to the IPO library. Utils shouldn't contain passes. 
llvm-svn: 12372
 2004-03-14 02:32:27 +00:00
Chris Lattner
5003f9e473 DemoteRegToStack got moved from DemoteRegToStack.h to Local.h 
llvm-svn: 12368
 2004-03-14 02:13:38 +00:00
Chris Lattner
763b6c41d4 This change makes two big adjustments. 
* Be a lot more accurate about what the effects will be when inlining a call
   to a function when an argument is an alloca.
 * Dramatically reduce the penalty for inlining a call in a large function.
   This heuristic made it almost impossible to inline a function into a large
   function, no matter how small the callee is.

llvm-svn: 12363
 2004-03-13 23:15:45 +00:00
Chris Lattner
933f605592 Implement ArgumentPromotion/aggregate-promote.ll 
This allows pointers to aggregate objects, whose elements are only read, to
be promoted and passed in by element instead of by reference.  This can
enable a LOT of subsequent optimizations in the caller function.

It's worth pointing out that this stuff happens a LOT of C++ programs, because
objects in templates are generally passed around by reference.  When these
templates are instantiated on small aggregate or scalar types, however, it is
more efficient to pass them in by value than by reference.

This transformation triggers most on C++ codes (e.g. 334 times on eon), but
does happen on C codes as well.  For example, on mesa it triggers 72 times,
and on gcc it triggers 35 times.  this is amazingly good considering that
we are using 'basicaa' so far.

llvm-svn: 12202
 2004-03-08 01:04:36 +00:00
Chris Lattner
ebebe8f4a0 Implement: ArgumentPromotion/chained.ll 
llvm-svn: 12200
 2004-03-07 22:52:53 +00:00
Chris Lattner
8494ba277f Fix another minor bug, exposed by perlbmk 
llvm-svn: 12198
 2004-03-07 22:43:27 +00:00
Chris Lattner
45cf084497 Fix a minor bug and turn debug output into, well, debug output. 
llvm-svn: 12195
 2004-03-07 21:54:50 +00:00
Chris Lattner
4415950211 New LLVM pass: argument promotion. This version only handles simple scalar 
variables.

llvm-svn: 12193
 2004-03-07 21:29:54 +00:00
Misha Brukman
848c759b41 * Remove function to find "main" in a Module, there's a method for that 
* Removing extraneous empty space and empty comment lines

llvm-svn: 12014
 2004-02-29 23:09:10 +00:00
Chris Lattner
d06b64c941 setcond instructions don't have aliasing implications. 
llvm-svn: 11919
 2004-02-27 18:09:25 +00:00