Commit Graph

881 Commits

Author SHA1 Message Date
Misha Brukman
2c7503786d Add command-line option to select whether to isolate or delete function from
module. Default is `isolate' as before.

llvm-svn: 13113
2004-04-22 23:07:39 +00:00
Misha Brukman
1e9b5281d0 Add a space before result for readability on the command line.
llvm-svn: 13109
2004-04-22 20:02:09 +00:00
Misha Brukman
f8b15005bf Add doxygenified comments to functions.
llvm-svn: 13097
2004-04-21 18:36:43 +00:00
Alkis Evlogimenos
904f4f9a21 Include cerrno (gcc-3.4 fix)
llvm-svn: 13091
2004-04-21 16:11:40 +00:00
Misha Brukman
85b8b45f7b As per Chris, greatly simplify handling of external functions by using the
wrapper idea uniformly: we can use Value::replaceAllUsesWith() instead of
special-casing by class of user.

llvm-svn: 13063
2004-04-19 03:36:47 +00:00
Misha Brukman
eba5545346 * Reorder #includes
* Wrap a long line

llvm-svn: 13061
2004-04-19 03:12:35 +00:00
Misha Brukman
e7ccafce7e Finally implement rewriting global initializers which use external functions
by creating an internal wrapper function with same signature as the external
function, and use it instead of the "real" function.

The wrapper then calls the external function using the same JIT function
resolution API that has been used before for rewriting instructions, since the
wrapper has an explicit call instruction which we can rewrite.

llvm-svn: 13054
2004-04-19 01:12:01 +00:00
Chris Lattner
0caf28f4ff Move loop optimization passes up, add loop unroller
llvm-svn: 13030
2004-04-18 05:21:01 +00:00
Misha Brukman
ab36a84bda Don't use invalid HTML in a doxygen comment.
llvm-svn: 12962
2004-04-15 15:23:45 +00:00
Chris Lattner
0bb60b108d Add a couple more IPO's
llvm-svn: 12863
2004-04-12 05:38:15 +00:00
Chris Lattner
4b1e880424 finegrainify namespacification
llvm-svn: 12862
2004-04-12 05:38:01 +00:00
Chris Lattner
903a90b9de Disambiguate symbols after loop extraction so that we can diagnose a code
generator bug if multiple loops are extracted from a function.

llvm-svn: 12847
2004-04-11 23:52:35 +00:00
Chris Lattner
ff16e6b701 Fix an obvious bug in the refactoring I did a few days ago
llvm-svn: 12797
2004-04-09 22:28:33 +00:00
Chris Lattner
caefe03e39 Disable strict alias analysis in the backend c compiler, as the code we
generate is not TBAA safe.

llvm-svn: 12774
2004-04-08 15:18:59 +00:00
Chris Lattner
825c162788 Revert previous patch, I'm a moron :)
llvm-svn: 12773
2004-04-08 15:18:03 +00:00
Chris Lattner
5608c6da7e Right, we break strict aliasing requirements. Make sure to disable strict
aliasing in the C compiler.

llvm-svn: 12772
2004-04-08 15:14:43 +00:00
Misha Brukman
e2d817bc26 Wrap at 80 cols.
llvm-svn: 12701
2004-04-06 17:04:30 +00:00
Chris Lattner
1a40aaf3ba Minor cleanups
llvm-svn: 12700
2004-04-06 16:54:04 +00:00
Chris Lattner
3259504cce Add a new gccld -native-cbe option which causes gccld to generate native code
for the application with the C backend instead of the native LLVM code generator

llvm-svn: 12698
2004-04-06 16:43:13 +00:00
Chris Lattner
d2c51f2cc3 Merge the code generator miscompilation code into the optimizer miscompilation
code.  This "instantly" gives us loop-extractor power to assist with the
debugment of our nasty codegen issues.  :)

llvm-svn: 12678
2004-04-05 22:58:16 +00:00
Chris Lattner
0442a87f47 Make a method public
llvm-svn: 12677
2004-04-05 22:01:48 +00:00
Chris Lattner
f856e42795 Minor cleanups, remove some old debug code
llvm-svn: 12676
2004-04-05 21:37:55 +00:00
Chris Lattner
5c943cebf1 Refactor and genericize code
llvm-svn: 12675
2004-04-05 21:37:38 +00:00
Chris Lattner
5ac19e9daf Make full use of the Mangler interface to simplify code
llvm-svn: 12671
2004-04-05 19:31:02 +00:00
Chris Lattner
61dcf6709b Minor change
llvm-svn: 12655
2004-04-05 01:31:50 +00:00
Chris Lattner
f592eff643 Remove obsolete analyses
llvm-svn: 12634
2004-04-02 20:56:33 +00:00
Chris Lattner
5ad71e4688 Tweak libraries for scev changes
llvm-svn: 12625
2004-04-02 20:32:46 +00:00
Chris Lattner
b9a26ff8fc Minor speedup
llvm-svn: 12612
2004-04-02 16:28:32 +00:00
Chris Lattner
ec5b2f9597 minor formatting change
llvm-svn: 12606
2004-04-02 06:32:45 +00:00
Chris Lattner
950f3fac90 Fix two pretty serious bugs:
1. Each time the loop extractor extracted a loop, we would leak a module.
  2. When we extracted a loop, we didn't add the new function to the list of
     miscompiled functions.  Thus if the bug was in a loop nest and we
     extracted it, we could actually *LOSE THE BUG*, which is very bad.

With these patches, bugpoint has successfully found a bug for me in a function
with several nested loops, and cut it down to just one of them. :) :)

llvm-svn: 12605
2004-04-02 06:32:17 +00:00
Chris Lattner
54aa691a5c Fix a fairly nasty bug that prevented bugpoint from working quite right when
hacking on programs with two functions that have the same name.

llvm-svn: 12604
2004-04-02 06:30:33 +00:00
Chris Lattner
b3f5ab8d5b If the program returns a non-zero exit value, don't leave files laying
around

llvm-svn: 12603
2004-04-02 05:33:06 +00:00
Chris Lattner
a262913211 Fix wonky header
Address PR305: LLVM tools will happily spew bytecode onto your terminal

llvm-svn: 12602
2004-04-02 05:06:57 +00:00
Chris Lattner
e45504d887 When loop extraction succeeds, make sure to map the function pointers over
to avoid dangling references.

llvm-svn: 12470
2004-03-17 17:42:09 +00:00
Chris Lattner
e2b4b9ca3f Fix an inverted condition that causes us to think that loop extraction
accomplished something when it really did not.  This does not fix the bigger problem tho.

llvm-svn: 12469
2004-03-17 17:37:18 +00:00
Chris Lattner
9a8238e477 Fix an iterator invalidation problem in a "buggy" pass
llvm-svn: 12468
2004-03-17 17:29:08 +00:00
Brian Gaeke
f6f76523cb Add a better head-of-file comment.
llvm-svn: 12447
2004-03-16 21:47:20 +00:00
Chris Lattner
83c74abb8e Fix thinko, and PR292
llvm-svn: 12426
2004-03-16 01:51:54 +00:00
Chris Lattner
4ef444f59b After reducing a miscompiled program down to the functions which are being
miscompiled, try to use the loop extractor to reduce the program down to a
loop nest that is being miscompiled.  In practice, the loop extractor appears
to have too many bugs for this to be useful, but hopefully they will be fixed
soon...

llvm-svn: 12398
2004-03-14 22:08:00 +00:00
Chris Lattner
acf045e970 Fix a minor bug in runPassesOn
llvm-svn: 12397
2004-03-14 21:37:41 +00:00
Chris Lattner
d82b46916c Add a new "AutoDebugCrashes" option
llvm-svn: 12396
2004-03-14 21:21:57 +00:00
Chris Lattner
d4b06def93 Refactor to use a new method
llvm-svn: 12395
2004-03-14 21:17:22 +00:00
Chris Lattner
c3bbd5a66d Add new method
llvm-svn: 12394
2004-03-14 21:17:03 +00:00
Chris Lattner
491f3054b8 Refactor and clean up a bunch more code. No major functionality changes.
* Make several methods of bugdriver global functions (ParseInputFile, PrintFunctionList)
 * Make PrintFunctionList truncate the output after 10 entries, like the crash debugger
   did.  This allows code sharing.
 * Add a couple of methods to BugDriver that allows us to eliminate some friends
 * Improve comments in ExtractFunction.cpp
 * Make classes that used to be friends up bugdriver now live in anon namespaces
 * Rip a bunch of functionality in the miscompilation tester into a new
   TestMergedProgram function for future code sharing.
 * Fix a bug in the miscompilation tester induced in my last checkin

llvm-svn: 12393
2004-03-14 20:50:42 +00:00
Chris Lattner
07b9a2c117 Add a method to extract a loop
llvm-svn: 12391
2004-03-14 20:02:07 +00:00
Chris Lattner
da20cdaaf2 add a fixme
llvm-svn: 12388
2004-03-14 19:31:00 +00:00
Chris Lattner
36e8168af5 Refactor all of the "splitting a module into two pieces" code to avoid
code duplication.  Also, don't use ReduceMiscompilingFunctions::TestFuncs
to print out the final message.

llvm-svn: 12387
2004-03-14 19:27:19 +00:00
Chris Lattner
228bd4e931 Turn on argument promotion in gccas. This can give us substantially better
code in cases where the file has lots of static functions or anon namespaces.

llvm-svn: 12361
2004-03-13 21:38:35 +00:00
Chris Lattner
a2f653d0cc Fix the "infinite looping unless you disable adce" bug
Also remove an option to disable adce :)

llvm-svn: 12359
2004-03-13 19:35:54 +00:00
Brian Gaeke
3cae3bad22 Revise comment and error message for the Bug 38 situation. Also, make it
print out the name of the function being used.

llvm-svn: 12347
2004-03-12 21:37:46 +00:00