oota-llvm.git
20 years agoI'm fairly certain this was just a typo.
Brian Gaeke [Fri, 16 Jan 2004 21:12:34 +0000 (21:12 +0000)]
I'm fairly certain this was just a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10897 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoHandle printing of intervals that are not assign to any physical
Alkis Evlogimenos [Fri, 16 Jan 2004 20:33:13 +0000 (20:33 +0000)]
Handle printing of intervals that are not assign to any physical
register yet (2nd try).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10896 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoHandle printing of intervals that are not assign to any physical
Alkis Evlogimenos [Fri, 16 Jan 2004 20:29:42 +0000 (20:29 +0000)]
Handle printing of intervals that are not assign to any physical
register yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10895 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFold open interval ends handling into
Alkis Evlogimenos [Fri, 16 Jan 2004 20:17:05 +0000 (20:17 +0000)]
Fold open interval ends handling into
LiveIntervals::Interval::expiredAt() and simplify regalloc code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10894 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoAdd asserts to previous change.
Alkis Evlogimenos [Fri, 16 Jan 2004 16:23:23 +0000 (16:23 +0000)]
Add asserts to previous change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10893 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoUse a list instead of a vector to store intervals. This will be needed
Alkis Evlogimenos [Fri, 16 Jan 2004 16:06:59 +0000 (16:06 +0000)]
Use a list instead of a vector to store intervals. This will be needed
when we join intervals and one of the two will need to be removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10892 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoUse the LLVM standard name mangling infrastructure instead of reinventing the
Misha Brukman [Thu, 15 Jan 2004 22:44:19 +0000 (22:44 +0000)]
Use the LLVM standard name mangling infrastructure instead of reinventing the
wheel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10891 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoThis is my script for narrowing down miscompilations to a single file.
Brian Gaeke [Thu, 15 Jan 2004 22:35:43 +0000 (22:35 +0000)]
This is my script for narrowing down miscompilations to a single file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10890 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoIf these blocks are empty, there is no reason to even emit the bytecode blocks.
Chris Lattner [Thu, 15 Jan 2004 21:06:57 +0000 (21:06 +0000)]
If these blocks are empty, there is no reason to even emit the bytecode blocks.
This saves about 15K in 176.gcc, coupled with another patch that I'm working on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10889 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoCleanups & efficiency improvements
Chris Lattner [Thu, 15 Jan 2004 20:24:09 +0000 (20:24 +0000)]
Cleanups & efficiency improvements

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10888 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoPut stylesheet after the title.
Misha Brukman [Thu, 15 Jan 2004 19:04:12 +0000 (19:04 +0000)]
Put stylesheet after the title.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10887 91177308-0d34-0410-b5e6-96231b3b80d8

20 years ago* HTML 4.01 Strict DTD compliance
Misha Brukman [Thu, 15 Jan 2004 19:03:47 +0000 (19:03 +0000)]
* HTML 4.01 Strict DTD compliance
* Added icons to check document easily

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10886 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoThe bcwriter does not want ConstantPointerRef's to be indexed, and the asmwriter...
Chris Lattner [Thu, 15 Jan 2004 18:47:15 +0000 (18:47 +0000)]
The bcwriter does not want ConstantPointerRef's to be indexed, and the asmwriter never did!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10885 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoConstantPointerRef's are no longer emitted. This saves 20028 bytes in the
Chris Lattner [Thu, 15 Jan 2004 18:46:56 +0000 (18:46 +0000)]
ConstantPointerRef's are no longer emitted.  This saves 20028 bytes in the
bytecode files when compiling 176.gcc, but more importantly will make it
easier to eliminate CPR's in the future (no new .bc revision will be
required to support them)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10884 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoAllow bytecode files to refer directly to global values as constants, instead
Chris Lattner [Thu, 15 Jan 2004 18:45:25 +0000 (18:45 +0000)]
Allow bytecode files to refer directly to global values as constants, instead
of forcing them to go through ConstantPointerRef's.  This allows bytecode
files to mirror .ll files, allows more efficient encoding, and makes it easier
to eventually eliminate CPR's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10883 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix more breakage with string change.
Chris Lattner [Thu, 15 Jan 2004 18:39:06 +0000 (18:39 +0000)]
Fix more breakage with string change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10882 91177308-0d34-0410-b5e6-96231b3b80d8

20 years ago* HTML 4.01 Strict DTD compliance
Misha Brukman [Thu, 15 Jan 2004 18:34:11 +0000 (18:34 +0000)]
* HTML 4.01 Strict DTD compliance
* Use stylesheets instead of adhoc formatting
* Fix broken links in doxygen due to llvm namespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10881 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoInclude TargetRegInfo.h and declare SparcTargetMachine forward, to make this
Brian Gaeke [Thu, 15 Jan 2004 18:17:07 +0000 (18:17 +0000)]
Include TargetRegInfo.h and declare SparcTargetMachine forward, to make this
header more easily includable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10880 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoMake this assertion more self-explanatory.
Brian Gaeke [Thu, 15 Jan 2004 18:15:58 +0000 (18:15 +0000)]
Make this assertion more self-explanatory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10879 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoHrm, thanks to misha for paying attention to my foolishness!
Chris Lattner [Thu, 15 Jan 2004 17:59:29 +0000 (17:59 +0000)]
Hrm, thanks to misha for paying attention to my foolishness!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10878 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoPR73 is finally fixed
Chris Lattner [Thu, 15 Jan 2004 17:55:21 +0000 (17:55 +0000)]
PR73 is finally fixed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10877 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix PR73: bytecode format inconsistent
Chris Lattner [Thu, 15 Jan 2004 17:55:09 +0000 (17:55 +0000)]
Fix PR73: bytecode format inconsistent

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10876 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix PR73
Chris Lattner [Thu, 15 Jan 2004 17:55:01 +0000 (17:55 +0000)]
Fix PR73

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10875 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix brokenness in my last checking
Chris Lattner [Thu, 15 Jan 2004 16:56:15 +0000 (16:56 +0000)]
Fix brokenness in my last checking

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10874 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove configure support for endianness checking, the need for which
Brian Gaeke [Thu, 15 Jan 2004 06:22:37 +0000 (06:22 +0000)]
Remove configure support for endianness checking, the need for which
Chris has helpfully expunged.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10873 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove ENDIAN_* support. LLVM does not need it anymore.
Chris Lattner [Thu, 15 Jan 2004 06:13:58 +0000 (06:13 +0000)]
Remove ENDIAN_* support.  LLVM does not need it anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10872 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoChange all of the bytecode reader primitives to throw exceptions instead of
Chris Lattner [Thu, 15 Jan 2004 06:13:09 +0000 (06:13 +0000)]
Change all of the bytecode reader primitives to throw exceptions instead of
returning error codes.  Because they don't return an error code, they can
return the value read, which simplifies the code and makes the reader more
efficient (yaay!).

Also eliminate the special case code for little endian machines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10871 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove the optimization that depends on ENDIAN_LITTLE: it's not worth it.
Chris Lattner [Thu, 15 Jan 2004 06:11:30 +0000 (06:11 +0000)]
Remove the optimization that depends on ENDIAN_LITTLE: it's not worth it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10870 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove broken doxygen comments
Chris Lattner [Thu, 15 Jan 2004 04:37:10 +0000 (04:37 +0000)]
Remove broken doxygen comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10869 91177308-0d34-0410-b5e6-96231b3b80d8

20 years ago* Conform to HTML 4.01 strict DTD
Misha Brukman [Thu, 15 Jan 2004 00:14:41 +0000 (00:14 +0000)]
* Conform to HTML 4.01 strict DTD
* Use stylesheets instead of hard-coding formatting

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10868 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoMake the stylesheet conform to CSS standard.
Misha Brukman [Thu, 15 Jan 2004 00:13:59 +0000 (00:13 +0000)]
Make the stylesheet conform to CSS standard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10867 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoImprove comments, add support for remembering the constants strings that
Chris Lattner [Wed, 14 Jan 2004 23:37:43 +0000 (23:37 +0000)]
Improve comments, add support for remembering the constants strings that
are to be emitted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10866 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoadd support for -- for symmetry
Chris Lattner [Wed, 14 Jan 2004 23:37:22 +0000 (23:37 +0000)]
add support for -- for symmetry

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10865 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoThe new bytecode format supports emitting strings a special case. This is
Chris Lattner [Wed, 14 Jan 2004 23:36:54 +0000 (23:36 +0000)]
The new bytecode format supports emitting strings a special case.  This is
intended to save size (and does on small programs), but on big programs it
actually increases the size of the program slightly.  The deal is that many
functions end up using the characters that the string contained, and the
characters are no longer in the global constant table, so they have to be
emitted in function specific constant pools.

This pessimization will be fixed in subsequent patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10864 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoVersion 1.2 now supports encoding strings as a special case, to avoid having
Chris Lattner [Wed, 14 Jan 2004 23:35:21 +0000 (23:35 +0000)]
Version 1.2 now supports encoding strings as a special case, to avoid having
to emit all of those sbyte constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10863 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoWhen emitting bytecode, handle strings specially. Do not add the characters
Chris Lattner [Wed, 14 Jan 2004 23:34:39 +0000 (23:34 +0000)]
When emitting bytecode, handle strings specially.  Do not add the characters
that make up the strings to the slotcalculator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10862 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoLike output_data, it's obvious that input_data was only used with 1 character
Chris Lattner [Wed, 14 Jan 2004 23:03:22 +0000 (23:03 +0000)]
Like output_data, it's obvious that input_data was only used with 1 character
data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10861 91177308-0d34-0410-b5e6-96231b3b80d8

20 years ago"fix" a nasty race condition
Chris Lattner [Wed, 14 Jan 2004 21:18:03 +0000 (21:18 +0000)]
"fix" a nasty race condition

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10860 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix some exception safety problems
Chris Lattner [Wed, 14 Jan 2004 20:58:17 +0000 (20:58 +0000)]
Fix some exception safety problems

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10859 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoHrm, apparently I missed lowering this intrinsic. :(
Chris Lattner [Wed, 14 Jan 2004 20:41:29 +0000 (20:41 +0000)]
Hrm, apparently I missed lowering this intrinsic.  :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10858 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoIt is obvious that this has never been used for outputing more than a single
Chris Lattner [Wed, 14 Jan 2004 18:50:28 +0000 (18:50 +0000)]
It is obvious that this has never been used for outputing more than a single
byte, it's totally endian incorrect!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10857 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoBe const correct
Chris Lattner [Wed, 14 Jan 2004 18:41:38 +0000 (18:41 +0000)]
Be const correct

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10856 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix bug in previous checkin: Demorgan would be ashamed of me, I need to
Chris Lattner [Wed, 14 Jan 2004 17:51:53 +0000 (17:51 +0000)]
Fix bug in previous checkin:  Demorgan would be ashamed of me, I need to
lay off the crack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10855 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoEliminate the isStringCompatible function, using ConstantArray::isString.
Chris Lattner [Wed, 14 Jan 2004 17:15:17 +0000 (17:15 +0000)]
Eliminate the isStringCompatible function, using ConstantArray::isString.
It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away.  This also fixes
compatibility with arrays of [us]byte that have constantexprs in them.

Also slightly restructure some code to be cleaner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10854 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoEliminate the isStringCompatible function, using ConstantArray::isString.
Chris Lattner [Wed, 14 Jan 2004 17:14:42 +0000 (17:14 +0000)]
Eliminate the isStringCompatible function, using ConstantArray::isString.
It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10853 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoUse new method
Chris Lattner [Wed, 14 Jan 2004 17:07:46 +0000 (17:07 +0000)]
Use new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10852 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoImplement ConstantArray::isString
Chris Lattner [Wed, 14 Jan 2004 17:06:38 +0000 (17:06 +0000)]
Implement ConstantArray::isString

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10851 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoAdd new ConstantArray::isString(), as the conditions for using getString()
Chris Lattner [Wed, 14 Jan 2004 17:06:21 +0000 (17:06 +0000)]
Add new ConstantArray::isString(), as the conditions for using getString()
are complex enough to check that it should be a seperate method.

While I'm here, improve ConstantArray::getNullValue a bit, though the
FIXME is still quite valid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10850 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoOk, I can't handle it. This is a temporary checkin of a ton of statistics that
Chris Lattner [Wed, 14 Jan 2004 16:54:21 +0000 (16:54 +0000)]
Ok, I can't handle it.  This is a temporary checkin of a ton of statistics that
i'm using in my work to reduce the bytecode file sizes.  These will eventually
be removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10849 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove support for the pre-1.0 bytecode version #1. This will become
Chris Lattner [Wed, 14 Jan 2004 16:44:44 +0000 (16:44 +0000)]
Remove support for the pre-1.0 bytecode version #1.  This will become
the bytecode revision generated by LLVM 1.2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10848 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoProperly update #intervals statistic.
Alkis Evlogimenos [Wed, 14 Jan 2004 10:44:29 +0000 (10:44 +0000)]
Properly update #intervals statistic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10847 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix InstCombine/2004-01-13-InstCombineInvokePHI.ll, which also fixes lots
Chris Lattner [Wed, 14 Jan 2004 06:06:08 +0000 (06:06 +0000)]
Fix InstCombine/2004-01-13-InstCombineInvokePHI.ll, which also fixes lots
of C++ programs in Shootout-C++, including lists1 and moments, etc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10845 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoDon't pass anything to the IntrinsicLowering class that is not_intrinsic,
Brian Gaeke [Wed, 14 Jan 2004 06:02:53 +0000 (06:02 +0000)]
Don't pass anything to the IntrinsicLowering class that is not_intrinsic,
because that makes it abort. Also, fix a typo in a comment.

This checkin brought to you by the "It only takes about 30 seconds to run
ENABLE_LLI tests on Shootout on zion, even if they all dump core" fund.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10844 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agonew testcase
Chris Lattner [Wed, 14 Jan 2004 05:53:11 +0000 (05:53 +0000)]
new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10843 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix check. PHI nodes must be handled specially, of course.
Chris Lattner [Wed, 14 Jan 2004 05:42:52 +0000 (05:42 +0000)]
Fix check.  PHI nodes must be handled specially, of course.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10842 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoTighten up verifier checks. The result of an invoke instruction only
Chris Lattner [Wed, 14 Jan 2004 04:25:59 +0000 (04:25 +0000)]
Tighten up verifier checks.  The result of an invoke instruction only
dominates the normal destination, not the exceptional dest (ie, the result
of a call is undefined on an exception)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10841 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoMake sure to verify the result before writing out the bytecode file. Not doing
Chris Lattner [Wed, 14 Jan 2004 03:39:46 +0000 (03:39 +0000)]
Make sure to verify the result before writing out the bytecode file.  Not doing
so can cause obscure errors downstream.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10840 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agofinegrainify namespacification
Chris Lattner [Wed, 14 Jan 2004 03:38:37 +0000 (03:38 +0000)]
finegrainify namespacification

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10839 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoToggle sense of flag
Chris Lattner [Wed, 14 Jan 2004 02:50:16 +0000 (02:50 +0000)]
Toggle sense of flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10838 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoThe only clients of the slot calculator are now the asmwriter and bcwriter.
Chris Lattner [Wed, 14 Jan 2004 02:49:34 +0000 (02:49 +0000)]
The only clients of the slot calculator are now the asmwriter and bcwriter.
Since this really only makes sense for these two, change hte instance variable
to reflect whether we are writing a bytecode file or not.  This makes it
reasonable to add bcwriter specific stuff to it as necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10837 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix bug in LiveIntervals::Interval::overlaps and
Alkis Evlogimenos [Wed, 14 Jan 2004 00:20:09 +0000 (00:20 +0000)]
Fix bug in LiveIntervals::Interval::overlaps and
LiveIntervals::Interval::liveAt. Both were considering the live ranges
closed in the end, when they are actually open.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10835 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoImprove debugging output.
Alkis Evlogimenos [Wed, 14 Jan 2004 00:09:36 +0000 (00:09 +0000)]
Improve debugging output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10834 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix miscomputation of live intervals. The catch is that registers can
Alkis Evlogimenos [Tue, 13 Jan 2004 22:26:14 +0000 (22:26 +0000)]
Fix miscomputation of live intervals. The catch is that registers can
be dead at the defining instruction but can only be killed in
subsequent ones.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10833 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoYou know you like Makefiles with fewer variables. Next up on the victim list
Brian Gaeke [Tue, 13 Jan 2004 22:22:19 +0000 (22:22 +0000)]
You know you like Makefiles with fewer variables. Next up on the victim list
is TOOLS, which is how you say LLVMTOOLCURRENT in Oldspeak.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10832 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove allocatable registers vector. It is already provided by
Alkis Evlogimenos [Tue, 13 Jan 2004 22:10:43 +0000 (22:10 +0000)]
Remove allocatable registers vector. It is already provided by
LiveVariables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10830 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoGet rid of dead defns of LCC, LCXX, LAS, as per FIXME.
Brian Gaeke [Tue, 13 Jan 2004 22:10:06 +0000 (22:10 +0000)]
Get rid of dead defns of LCC, LCXX, LAS, as per FIXME.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10829 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix overzealous fixme fixing
Brian Gaeke [Tue, 13 Jan 2004 21:59:51 +0000 (21:59 +0000)]
Fix overzealous fixme fixing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10827 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove dead definitions of NATGCC and CP, and dead .tll, .tbc rules.
Brian Gaeke [Tue, 13 Jan 2004 21:56:30 +0000 (21:56 +0000)]
Remove dead definitions of NATGCC and CP, and dead .tll, .tbc rules.

Make should continue even if compilation cmds fail, for the sake of
the nightly tester, so use minuses on them.

Use LLVMAS, LLVMGCC, LLVMGXX instead of LAS, LCC, LCXX (as per FIXME).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10825 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoCleanup debugging output.
Alkis Evlogimenos [Tue, 13 Jan 2004 21:53:20 +0000 (21:53 +0000)]
Cleanup debugging output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10824 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFinegrainify namespacification
Chris Lattner [Tue, 13 Jan 2004 21:27:59 +0000 (21:27 +0000)]
Finegrainify namespacification
Using the SlotCalculator is total overkill for this file, a simple map
will suffice.  Why doesn't this use the NameMangler interface?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10823 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix output of live intervals to show correctly its closed, open
Alkis Evlogimenos [Tue, 13 Jan 2004 21:17:47 +0000 (21:17 +0000)]
Fix output of live intervals to show correctly its closed, open
ranges, i.e. [a,b)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10822 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove unneeded check (with the recent change in live variables a use
Alkis Evlogimenos [Tue, 13 Jan 2004 21:16:25 +0000 (21:16 +0000)]
Remove unneeded check (with the recent change in live variables a use
of a physical register is always dominated by a def).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10821 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoIndentation and whitespace cleanups.
Alkis Evlogimenos [Tue, 13 Jan 2004 20:42:08 +0000 (20:42 +0000)]
Indentation and whitespace cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10820 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix bug introduced by previous commit: check if fixed intervals
Alkis Evlogimenos [Tue, 13 Jan 2004 20:37:01 +0000 (20:37 +0000)]
Fix bug introduced by previous commit: check if fixed intervals
overlap before adding their spill weight.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10819 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove dump-input option.
Brian Gaeke [Tue, 13 Jan 2004 19:26:21 +0000 (19:26 +0000)]
Remove dump-input option.
Make addPassesToEmitAssembly() look slightly more like addPassesToJITCompile().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10818 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRegenerated using autoheader-2.57.
Brian Gaeke [Tue, 13 Jan 2004 07:09:57 +0000 (07:09 +0000)]
Regenerated using autoheader-2.57.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10817 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoSimplify configure rules. (I don't know if anyone else cares...)
Brian Gaeke [Tue, 13 Jan 2004 07:09:56 +0000 (07:09 +0000)]
Simplify configure rules. (I don't know if anyone else cares...)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10816 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoWhoopsie. I should remember to use aclocal next time.
Brian Gaeke [Tue, 13 Jan 2004 06:52:10 +0000 (06:52 +0000)]
Whoopsie. I should remember to use aclocal next time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10815 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove and/or shorten many comments in configure.ac.
Brian Gaeke [Tue, 13 Jan 2004 06:43:16 +0000 (06:43 +0000)]
Remove and/or shorten many comments in configure.ac.

Remove checks for many common Unix programs. Our build process currently
assumes they are there and makes no provisions for any other world-views.
(We can add some of these checks back at some later time if it should prove
useful, but right now, we do not need to check to see whether "rm" exists.)

Remove checks for many common standard C headers and functions. We assume
ISO/ANSI C++, and we always use the <cfoo> versions of ANSI C's <foo.h>
headers, so these checks will not help anything.

Edit configure's warning messages for clarity and content.

Change checks for "optional" programs to default to using "true" instead of
"false", so that a failure to find, e.g., etags, will be less likely to result
in make failing.

No longer shall we check for --enable-purify or --with-purify options.
No longer shall we propagate these to the Makefiles.

configure regenerated using autoconf-2.57.

Please feel free to send me any questions or comments you have. :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10814 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoCorrectly compute live variable information for physical registers
Alkis Evlogimenos [Tue, 13 Jan 2004 06:24:30 +0000 (06:24 +0000)]
Correctly compute live variable information for physical registers
when an implicitely defined register is later used by an alias. For example:

         call foo
         %reg1024 = mov %AL

The call implicitely defines EAX but only AL is used. Before this fix
no information was available on AL. Now EAX and all its aliases except
AL get defined and die at the call instruction whereas AL lives to be
killed by the assignment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10813 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoImplement a bunch of symbolic constant folding opportunities. This implements
Chris Lattner [Tue, 13 Jan 2004 05:51:55 +0000 (05:51 +0000)]
Implement a bunch of symbolic constant folding opportunities.  This implements
testcase test/Regression/Assembler/ConstantExprFold.llx

Note that these kinds of things only rarely show up in source code, but are
exceedingly common in the intermediate stages of algorithms like SCCP.  By
folding things (especially relational operators) that use symbolic constants,
we are able to speculatively fold more conditional branches, which can
lead to some big simplifications.

It would be easy to add a lot more special cases here, so if you notice
SCCP missing anything "obvious", you know what to make smarter.  :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10812 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoNew testcase for symbolic constant folding opportunities that LLVM should get.
Chris Lattner [Tue, 13 Jan 2004 05:32:27 +0000 (05:32 +0000)]
New testcase for symbolic constant folding opportunities that LLVM should get.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10811 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoImplement new Instruction::isRelational method
Chris Lattner [Mon, 12 Jan 2004 23:18:25 +0000 (23:18 +0000)]
Implement new Instruction::isRelational method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10810 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoAdd new method
Chris Lattner [Mon, 12 Jan 2004 23:18:06 +0000 (23:18 +0000)]
Add new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10809 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRearrange and comment code better. No functionality changes
Chris Lattner [Mon, 12 Jan 2004 22:07:24 +0000 (22:07 +0000)]
Rearrange and comment code better.  No functionality changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10808 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRename ConstantHandling.* -> ConstantFolding.*
Chris Lattner [Mon, 12 Jan 2004 21:13:12 +0000 (21:13 +0000)]
Rename ConstantHandling.* -> ConstantFolding.*
Move a bunch of (now) private stuff from ConstantFolding.h into
ConstantFolding.cpp.

This _finally_ gets us to a place where we have a sane constant folder.  The
rules are:

1. LLVM clients now use ConstantExpr::get* methods to fold constants.  If they
   cannot be folded, a constantexpr is created, so these methods always return
   valid Constant*'s.
2. The implementation of ConstantExpr::get* uses the functions exposed by
   ConstantFolding.h to try to fold constants.  If they cannot be folded,
   they should return a null pointer.
3. The implementation of ConstantFolding can do whatever it wants, and only
   has one client (Constants.cpp)

This cuts down on the wierd dependencies, and eliminates the two interfaces.
The old constanthandling interface was especially bad for clients to use
because almost none of them took the failure condition into consideration,
thus leading to obscure problems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10807 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove a whole bunch more ugliness. This is actually getting to the point of
Chris Lattner [Mon, 12 Jan 2004 21:02:29 +0000 (21:02 +0000)]
Remove a whole bunch more ugliness.  This is actually getting to the point of
this whole refactoring: allow constant folding methods to return something
other than predefined classes, allow them to return generic Constant*'s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10806 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoMove ConstantHandling.h into lib/VMCore and out of include/llvm
Chris Lattner [Mon, 12 Jan 2004 20:48:11 +0000 (20:48 +0000)]
Move ConstantHandling.h into lib/VMCore and out of include/llvm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10805 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoMove this file to lib/VMCore
Chris Lattner [Mon, 12 Jan 2004 20:47:29 +0000 (20:47 +0000)]
Move this file to lib/VMCore

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10804 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoEliminate a lot of out-of-date comments, and all of the wierd overloaded
Chris Lattner [Mon, 12 Jan 2004 20:43:44 +0000 (20:43 +0000)]
Eliminate a lot of out-of-date comments, and all of the wierd overloaded
operator constant folding stuff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10803 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoEliminate usage of the wierd overloaded operator constant folders
Chris Lattner [Mon, 12 Jan 2004 20:41:05 +0000 (20:41 +0000)]
Eliminate usage of the wierd overloaded operator constant folders

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10802 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoEliminate ConstantFoldShiftInstruction reference
Chris Lattner [Mon, 12 Jan 2004 20:40:42 +0000 (20:40 +0000)]
Eliminate ConstantFoldShiftInstruction reference

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10801 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove use of ConstantHandling itf
Chris Lattner [Mon, 12 Jan 2004 20:13:04 +0000 (20:13 +0000)]
Remove use of ConstantHandling itf

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10800 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoClean up #includes
Chris Lattner [Mon, 12 Jan 2004 19:56:36 +0000 (19:56 +0000)]
Clean up #includes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10799 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix bug in previous checkin
Chris Lattner [Mon, 12 Jan 2004 19:47:05 +0000 (19:47 +0000)]
Fix bug in previous checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10798 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoThe getShift method is no obsolete
Chris Lattner [Mon, 12 Jan 2004 19:37:26 +0000 (19:37 +0000)]
The getShift method is no obsolete

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10797 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoEliminate use of ConstantHandling and ConstantExpr::getShift interfaces
Chris Lattner [Mon, 12 Jan 2004 19:35:11 +0000 (19:35 +0000)]
Eliminate use of ConstantHandling and ConstantExpr::getShift interfaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10796 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoAdd header file I accidentally removed in teh shuffle
Chris Lattner [Mon, 12 Jan 2004 19:15:20 +0000 (19:15 +0000)]
Add header file I accidentally removed in teh shuffle

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10795 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoFix out of date comment, remove use of ConstantExpr::getShift
Chris Lattner [Mon, 12 Jan 2004 19:12:58 +0000 (19:12 +0000)]
Fix out of date comment, remove use of ConstantExpr::getShift

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10794 91177308-0d34-0410-b5e6-96231b3b80d8

20 years agoRemove use of the ConstantHandling interfaces
Chris Lattner [Mon, 12 Jan 2004 19:12:50 +0000 (19:12 +0000)]
Remove use of the ConstantHandling interfaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10793 91177308-0d34-0410-b5e6-96231b3b80d8