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922 Commits

Author SHA1 Message Date
Chris Lattner
5e783ab0b5 Implement basic block extraction for the miscompilation debugger. This still needs 
two things: the FIXME in ExtractBlocks needs to be implemented, and the basic block
extractor itself needs to have enough bugs fixed for this to be more or less
useful.

Until the time that this is generally useful, it is hidden behind the new bugpoint
-enable-block-extraction option.  I hope to get the FIXME done tonight.

Also of note, this patch adds a -extract-bbs option to bugpoint which can be used
to debug the block extractor.  (hint hint Misha :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13471 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-11 21:54:13 +00:00
Chris Lattner
1c2f68631e A class that is meant to be a base class should have a virtual destructor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13470 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-11 20:41:07 +00:00
Brian Gaeke
7532e34537 Allow the user to set the LLVMINTERP environment variable as a workaround, for 
when they have to run a gccld shell script without having lli in their path.
This is intended to address Bug 289.

Also, emit the traditional syntax ${1+"$@"} for passing all of a shell script's
args to a subprocess. If you have arguments that have spaces in them, $* will
not preserve the quoting (i.e., the quoted string "foo bar" as an argument will
end up as two arguments "foo" "bar" to lli.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13414 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-07 21:47:36 +00:00
Chris Lattner
60083e2fc0 Use the new commandline flag to allow us to call bugpoint like this: 
bugpoint ... --tool-args -enable-correct-eh-support -regalloc=linearscan --args -- -foo

So that tool-args option gets the -enable-correct-eh-support -regalloc=linearscan flags instead of bugpoint.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13389 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-06 22:05:35 +00:00
Chris Lattner
817d8d3046 Remove a really old comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13385 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-06 19:29:58 +00:00
Brian Gaeke
48b008db57 Apply simplification suggested by Chris: why assign() when operator = will do? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13364 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 22:02:41 +00:00
Brian Gaeke
636df3d7ec Add --tool-args flag which lets you pass arguments to llc or lli. 
This is intended to address Bug 40.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13358 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 21:09:16 +00:00
Brian Gaeke
d11577b68b Add "Args" optional argument to AbstractInterpreter factory methods, which 
fills in a ToolArgs vector in the AbstractInterpreter if it is set. This
ToolArgs vector is used to pass additional arguments to LLI and/or LLC.
This is intended to address Bug 40.

Also, make -debug-only=toolrunner work for the LLC and CBE
AbstractInterpreters.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13356 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-04 21:09:01 +00:00
Chris Lattner
f4789e6d04 Teach bugpoint to be a little bit smarter and avoid repeating work 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13132 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-23 20:36:51 +00:00
Misha Brukman
ca718e41cf Add command-line option to select whether to isolate or delete function from 
module. Default is `isolate' as before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13113 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-22 23:07:39 +00:00
Misha Brukman
123f8fec94 Add a space before result for readability on the command line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13109 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-22 20:02:09 +00:00
Misha Brukman
8c194eaa05 Add doxygenified comments to functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13097 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 18:36:43 +00:00
Alkis Evlogimenos
09233fb86e Include cerrno (gcc-3.4 fix) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13091 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-21 16:11:40 +00:00
Misha Brukman
de4803d0af 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13063 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-19 03:36:47 +00:00
Misha Brukman
b687d82b02 * Reorder #includes 
* Wrap a long line


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13061 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-19 03:12:35 +00:00
Misha Brukman
dc7fef83dc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13054 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-19 01:12:01 +00:00
Chris Lattner
93d82020ef Move loop optimization passes up, add loop unroller 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13030 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-18 05:21:01 +00:00
Misha Brukman
7a46e4c62b Don't use invalid HTML in a doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12962 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-15 15:23:45 +00:00
Chris Lattner
f9c455d3df Add a couple more IPO's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12863 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:38:15 +00:00
Chris Lattner
27829ec5ff finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12862 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:38:01 +00:00
Chris Lattner
36ee07ff9d Disambiguate symbols after loop extraction so that we can diagnose a code 
generator bug if multiple loops are extracted from a function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12847 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-11 23:52:35 +00:00
Chris Lattner
2423db0e85 Fix an obvious bug in the refactoring I did a few days ago 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12797 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-09 22:28:33 +00:00
Chris Lattner
a1346a2619 Disable strict alias analysis in the backend c compiler, as the code we 
generate is not TBAA safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12774 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-08 15:18:59 +00:00
Chris Lattner
67e0a34178 Revert previous patch, I'm a moron :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12773 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-08 15:18:03 +00:00
Chris Lattner
121f09fb05 Right, we break strict aliasing requirements. Make sure to disable strict 
aliasing in the C compiler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12772 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-08 15:14:43 +00:00
Misha Brukman
b04da8a3c6 Wrap at 80 cols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12701 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 17:04:30 +00:00
Chris Lattner
27a9b2713b Minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12700 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 16:54:04 +00:00
Chris Lattner
69e8d282bf 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12698 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 16:43:13 +00:00
Chris Lattner
a57d86b436 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.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12678 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 22:58:16 +00:00
Chris Lattner
11b8cd197a Make a method public 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12677 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 22:01:48 +00:00
Chris Lattner
9ae427a14c Minor cleanups, remove some old debug code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12676 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 21:37:55 +00:00
Chris Lattner
b15825b0a2 Refactor and genericize code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12675 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 21:37:38 +00:00
Chris Lattner
8505c867b1 lli no longer takes the -quiet option! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12674 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 20:28:41 +00:00
Chris Lattner
30878f42c2 Make full use of the Mangler interface to simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12671 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 19:31:02 +00:00
Chris Lattner
af48fa8259 Minor change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12655 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-05 01:31:50 +00:00
Chris Lattner
04eaef28a8 Remove obsolete analyses 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12634 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 20:56:33 +00:00
Chris Lattner
106dc527b0 Tweak libraries for scev changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12625 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 20:32:46 +00:00
Chris Lattner
fb4b96e77e Minor speedup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12612 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 16:28:32 +00:00
Chris Lattner
02bb481881 minor formatting change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12606 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 06:32:45 +00:00
Chris Lattner
5313f23b8c 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. :) :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12605 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 06:32:17 +00:00
Chris Lattner
87ab7e994f Fix a fairly nasty bug that prevented bugpoint from working quite right when 
hacking on programs with two functions that have the same name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12604 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 06:30:33 +00:00
Chris Lattner
58d84ced5f If the program returns a non-zero exit value, don't leave files laying 
around


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12603 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 05:33:06 +00:00
Chris Lattner
76351aa57e Fix wonky header 
Address PR305: LLVM tools will happily spew bytecode onto your terminal


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12602 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-02 05:06:57 +00:00
Chris Lattner
d3a533d94d When loop extraction succeeds, make sure to map the function pointers over 
to avoid dangling references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12470 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-17 17:42:09 +00:00
Chris Lattner
7fa44fca30 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12469 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-17 17:37:18 +00:00
Chris Lattner
9d5968dd51 Fix an iterator invalidation problem in a "buggy" pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12468 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-17 17:29:08 +00:00
Brian Gaeke
e40eae7370 Add a better head-of-file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12447 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-16 21:47:20 +00:00
Chris Lattner
002dbddccd Fix thinko, and PR292 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12426 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-16 01:51:54 +00:00
Chris Lattner
a1cf1c8c87 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...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12398 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 22:08:00 +00:00
Chris Lattner
44a64bccac Fix a minor bug in runPassesOn 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12397 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 21:37:41 +00:00