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409 Commits

Author SHA1 Message Date
Chris Lattner
e5ad50b2e8 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)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14219 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 05:50:48 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
John Criswell
e7b9a1a5f2 Fix a bug in the -deadtypeelim pass. The SymbolTable re-write changed it 
to eliminate the wrong type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13855 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-27 21:16:46 +00:00
Reid Spencer
9231ac8b6f Convert to SymbolTable's new iteration interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13754 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-25 08:53:40 +00:00
Chris Lattner
b11a99bd39 Fix a bug in my previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13717 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-24 06:24:46 +00:00
Chris Lattner
befa499d45 Fix cases where we missed inlining some more obvious candidates because the 
caller was in an SCC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13693 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:22:17 +00:00
Chris Lattner
74c68ffd5f Simplify the interface and remove an unneeded #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13692 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:21:35 +00:00
Chris Lattner
9e7cc2f0d4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13691 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:21:17 +00:00
Misha Brukman
7d248397a7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-22 23:00:51 +00:00
Misha Brukman
79906c9825 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-22 22:52:22 +00:00
Chris Lattner
3e1358a9fa 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13100 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 20:44:33 +00:00
Chris Lattner
107fb18d89 Fix typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13089 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 14:23:18 +00:00
Chris Lattner
68d57e7ae8 REALLY fix PR324: don't delete linkonce functions until after the SCC traversal 
is done, which avoids invalidating iterators in the SCC traversal routines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13088 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-20 22:06:53 +00:00
Chris Lattner
5ad2b1d544 Fix PR324 and testcase: Inline/2004-04-20-InlineLinkOnce.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13080 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-20 20:20:59 +00:00
Chris Lattner
f1ab4b4eac 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 22:14:10 +00:00
Chris Lattner
ce1a3a292d Actually update the call graph as the inliner changes it. This allows us to 
execute other CallGraphSCCPasses after the inliner without crashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:37:29 +00:00
Chris Lattner
85eb157d96 Stop printing Function* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12857 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 04:06:56 +00:00
Chris Lattner
d08ddd3300 Simplify code a bit, and be sure to mark the external node as potentially throwing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12856 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 04:06:38 +00:00
Chris Lattner
775cbdd51a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12770 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-08 06:34:31 +00:00
Chris Lattner
f6e43bc796 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!!!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12491 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:46:10 +00:00
Chris Lattner
fdded9f95a Fix problem with PHI nodes having multiple predecessors from different 
exit nodes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12490 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:43:18 +00:00
Chris Lattner
369287bab5 The code extractor needs dominator info. Provide it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12483 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:48:06 +00:00
Chris Lattner
6dd196f762 Restore old inlining heuristic. As the comment indicates, this is a nasty 
horrible hack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12423 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-15 06:38:14 +00:00
Chris Lattner
5156c39d64 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12403 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-15 00:02:02 +00:00
Chris Lattner
41bc0b069c Split into two passes. Now there is the general loop extractor, usable on 
the command line, and the single loop extractor, usable by bugpoint


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12390 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 20:01:36 +00:00
Chris Lattner
97836fad2c Passes don't print stuff! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12385 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 04:17:53 +00:00
Chris Lattner
16d0eb0468 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12381 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 04:01:06 +00:00
Chris Lattner
1e3cb34753 Move prototype to IPO.h instead of Scalar.h 
Make sure that the file interface header (IPO.h) is included first
remove dead #incldue


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12375 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:37:16 +00:00
Chris Lattner
efddcfa0df Indent anon namespace properly, add copyright block 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12373 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:34:07 +00:00
Chris Lattner
c3c8703c3b Move to the IPO library. Utils shouldn't contain passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12372 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:32:27 +00:00
Chris Lattner
a2dc727ac4 DemoteRegToStack got moved from DemoteRegToStack.h to Local.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12368 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 02:13:38 +00:00
Chris Lattner
619d3544b1 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12363 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-13 23:15:45 +00:00
Chris Lattner
9440db8866 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-08 01:04:36 +00:00
Chris Lattner
86a734bd40 Implement: ArgumentPromotion/chained.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12200 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 22:52:53 +00:00
Chris Lattner
7db5a6df78 Fix another minor bug, exposed by perlbmk 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12198 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 22:43:27 +00:00
Chris Lattner
7e6f5090af Fix a minor bug and turn debug output into, well, debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 21:54:50 +00:00
Chris Lattner
ed570a7dca New LLVM pass: argument promotion. This version only handles simple scalar 
variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12193 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-07 21:29:54 +00:00
Misha Brukman
99cc88bb64 * Remove function to find "main" in a Module, there's a method for that 
* Removing extraneous empty space and empty comment lines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12014 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 23:09:10 +00:00
Chris Lattner
7d90a2738e setcond instructions don't have aliasing implications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11919 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 18:09:25 +00:00
Chris Lattner
4f77caaa3d Since LLVM uses structure type equivalence, it isn't useful to keep around 
multiple type names for the same structural type.  Make DTE eliminate all
but one of the type names


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11879 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 20:02:23 +00:00
Chris Lattner
079236d1c9 My faith in programmers has been found to be totally misplaced. One would 
assume that if they don't intend to write to a global variable, that they
would mark it as constant.  However, there are people that don't understand
that the compiler can do nice things for them if they give it the information
it needs.

This pass looks for blatently obvious globals that are only ever read from.
Though it uses a trivially simple "alias analysis" of sorts, it is still able
to do amazing things to important benchmarks.  253.perlbmk, for example,
contains several ***GIANT*** function pointer tables that are not marked
constant and should be.  Marking them constant allows the optimizer to turn
a whole bunch of indirect calls into direct calls.  Note that only a link-time
optimizer can do this transformation, but perlbmk does have several strings
and other minor globals that can be marked constant by this pass when run
from GCCAS.

176.gcc has a ton of strings and large tables that are marked constant, both
at compile time (38 of them) and at link time (48 more).  Other benchmarks
give similar results, though it seems like big ones have disproportionally
more than small ones.

This pass is extremely quick and does good things.  I'm going to enable it
in gccas & gccld.  Not bad for 50 SLOC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11836 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 21:34:36 +00:00
Chris Lattner
0db085baec Intrinsic functions cannot throw 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11383 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 16:46:46 +00:00
Chris Lattner
68b86f4f41 Don't depend on auto data conversion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11229 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-09 05:16:30 +00:00
Chris Lattner
d21cd809b6 Adjust to the changed StructType interface. In particular, getElementTypes() is gone. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11228 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-09 04:37:31 +00:00
Chris Lattner
d5d8996720 Start using the new and improve interface to FunctionType arguments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11224 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-09 04:14:01 +00:00
Chris Lattner
aeb2a1d708 rename the "exceptional" destination of an invoke instruction to the 'unwind' dest 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-08 21:44:31 +00:00
Chris Lattner
e0def04e43 Fix PR225: [pruneeh] -pruneeh pass removes invoke instructions it shouldn't 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11200 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-08 21:15:59 +00:00
Chris Lattner
edb1cf0c19 splitBasicBlock "does the right thing" now, no reason to reposition it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11199 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-08 20:49:07 +00:00
Chris Lattner
3b332fd376 Remove unneeded code now that splitBasicBlock does the "right thing" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 03:21:51 +00:00
Brian Gaeke
09ca4115ee Make deadarghaX0r warning louder. 
(I just love typing haX0r.   haX0r haX0r haX0r.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11079 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:32:27 +00:00
Chris Lattner
21949d9088 Remove dependence on structure index type. s/MT/FT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10726 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-09 06:02:51 +00:00
Chris Lattner
0898c78a52 Merging constants can cause further room for improvement. Iterate until 
we converge


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10618 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-28 07:19:08 +00:00
Chris Lattner
b97238079d Fix memory corruption bug PR193 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10586 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-22 23:49:36 +00:00
Chris Lattner
eb12cd67dd Implement RaiseAllocations/FreeCastConstantExpr.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10305 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-07 01:42:08 +00:00
Chris Lattner
ab25f5a6c1 Delete dead line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10164 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-22 02:26:17 +00:00
Chris Lattner
3788c242be Fix bug: Transforms/PruneEH/2003-11-21-PHIUpdate.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10163 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-22 02:20:36 +00:00
Chris Lattner
6d1db01284 Considering that CI is not even IN SCOPE here, I wooda thought the compiler 
would have caught this.  *sigh*


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10142 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-21 21:57:29 +00:00
Chris Lattner
1e2385b941 Finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10138 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-21 21:54:22 +00:00
Chris Lattner
1192283096 Get rid of using decls, finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10137 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-21 21:52:10 +00:00
Chris Lattner
869adc283c * Finegrainify namespacification 
* Make the cost metric for passing constants in as arguments to functions MUCH
  more accurate, by actually estimating the amount of code that will be constant
  propagated away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10136 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-21 21:46:09 +00:00
Chris Lattner
a51bcb50b0 Finegrainify namespacification 
Print out the costs for functions that AREN'T inlined as well


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10135 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-21 21:45:31 +00:00
Chris Lattner
03fb8b2a42 * Finegrainify namespacification 
* Implement FuncResolve/2003-11-20-BogusResolveWarning.ll
   ... which eliminates a large number of annoying warnings.  I know misha
   will miss them though!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10123 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-20 21:21:31 +00:00
Chris Lattner
f8485c6434 Start using the nicer terminator auto-insertion API 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10111 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-20 18:25:24 +00:00
Chris Lattner
143df9a1bb When spewing out warnings during function resolution, do not vomit out pages 
and pages of non-symbolic types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10109 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-20 18:19:35 +00:00
Misha Brukman
444fdea19d This file was somehow missing a top-level comment line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10055 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-17 19:35:17 +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
Chris Lattner
d77922f1a2 Do NOT inline self recursive calls into other functions. This is causing the 
pool allocator no end of trouble, and doesn't make a lot of sense anyway.  This
does not solve the problem with mutually recursive functions, but they are much less common.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9828 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-09 05:05:36 +00:00
Chris Lattner
b045e14111 Untypo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9827 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-09 05:04:25 +00:00
Chris Lattner
d7222ec801 Fix bug: PR93 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9752 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-06 19:18:49 +00:00
Chris Lattner
b6e0631a94 Fix the problem with running cleanups in bugpoint: We were deleting arguments 
of intrinsic functions, causing the verifier to fail.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9745 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-05 21:53:41 +00:00
Chris Lattner
fdcc3acb7b Split behavior into two pieces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9741 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-05 21:43:02 +00:00
Chris Lattner
d6d0d8c18d Fix PR78 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9648 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-02 02:06:27 +00:00
Chris Lattner
bb9ae1512e Strip off CPR's manually, because if we don't, the inliner doesn't delete dead 
functions.  GRR


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9641 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-31 21:05:58 +00:00
Chris Lattner
6ace4daa57 Fix bug: ConstantMerge/2003-10-28-MergeExternalConstants.ll & PR64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9579 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-29 06:01:26 +00:00
Chris Lattner
fe2143d87d Check in statistifying patch for Bill 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9572 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-28 23:14:59 +00:00
Chris Lattner
2e8dfb8221 Propagating constants to arguments can make other arguments constant. For now 
do something dumb, and inefficient, but more complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9542 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-27 21:09:00 +00:00
Chris Lattner
2e56dd82b3 We might as well strip off any CPRs before propagation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9437 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 18:49:23 +00:00
Chris Lattner
ff5bf9c62b * We were forgetting to pass varargs arguments through a call 
* Add a work around for bug PR56, gross but necessary for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9428 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 17:44:53 +00:00
Chris Lattner
d358e6fed5 Check in initial version of ipcp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9423 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 16:52:27 +00:00
Chris Lattner
c3afd9bf4b Make this pass substantially stronger by having it delete dead return values 
as well as arguments.  Now it can delete arguments and return values which are
only passed into other arguments or are returned, if they are dead.  This causes
it to delete several hundred extra args/retvals from the C++ hello world program,
shrinking it by about 2K.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9398 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-23 03:48:17 +00:00
Chris Lattner
ce94319558 This important patch fixes two warnings in the linker which can occur from linking 
valid pieces of code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9390 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 23:03:38 +00:00
Chris Lattner
6be5e567ce Update the 'used' flag correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9366 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 04:43:18 +00:00
Chris Lattner
4cb766af4a Loop over the module, not the symbol table. This makes the code handle 
unused external functions again


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9365 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 04:42:20 +00:00
Chris Lattner
efd47ba3ac Implement FunctionResolve/2003-10-21-GlobalResolveHack.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9363 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-22 03:35:34 +00:00
Chris Lattner
5858e1e3f3 Fix bug: FunctionResolve/2003-10-21-GlobalTypeDifference.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9359 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-21 23:17:56 +00:00
John Criswell
856ba76200 Added LLVM copyright header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9321 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-21 15:17:13 +00:00
John Criswell
e488e9360b Added LLVM copyright notice to Makefiles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9312 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 22:26:57 +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
bacc773d20 Reorder for minor efficiency gain 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9285 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 05:54:26 +00:00
Chris Lattner
3b237fcd38 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9269 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-19 21:34:28 +00:00
Chris Lattner
fd05924946 Decrease usage of use_size() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9135 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-15 16:48:29 +00:00
Chris Lattner
8b716f66ad Whoops, we inserted into the wrong set. What's up with the dead set anyway? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9094 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-13 16:49:21 +00:00
Chris Lattner
46e033d28d Use external df iterators to avoid revisiting blocks in functions with 
multiple setjmp calls.


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 2003-10-13 16:44:50 +00:00
Chris Lattner
cf3056db0f Regularize header file comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9071 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-13 03:32:08 +00:00
Chris Lattner
6d3906be28 Minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9067 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-13 01:02:33 +00:00
Chris Lattner
bb2d4de409 Checkin an improvement contributed by Bill: 
Only transform call sites in a setjmp'ing function which are reachable from
the setjmp.  If the call dominates the setjmp (for example), the called
function cannot longjmp to the setjmp.

This dramatically reduces the number of invoke instructions created in some
large testcases.


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 2003-10-13 00:57:16 +00:00
Misha Brukman
cf00c4ab3b Fix spelling. 
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 2003-10-10 17:57:28 +00:00
Chris Lattner
da78b002ca Fix bugzilla bug #5 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8930 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-07 19:33:31 +00:00
Chris Lattner
884d6c4e10 Speed up the predicate used to decide when to inline by caching the size 
of callees between executions.

On eon, in release mode, this changes the inliner from taking 11.5712s
to taking 2.2066s.  In debug mode, it went from taking 14.4148s to
taking 7.0745s.  In release mode, this is a 24.7% speedup of gccas, in
debug mode, it's a total speedup of 11.7%.

This also makes it slightly more aggressive.  This could be because we
are not judging the size of the functions quite as accurately as before.
When we start looking at the performance of the generated code, this can
be investigated further.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8893 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-06 15:52:43 +00:00
Misha Brukman
763f5ae902 Credits are now in top-level CREDITS.TXT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8661 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-22 21:57:15 +00:00