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89 Commits

Author SHA1 Message Date
Dan Gohman 9988569af8 Don't include <map> in Pass.h, which doesn't need it. This requires 
adding <map> to many files that actually do need it.

llvm-svn: 48667
 2008-03-21 23:51:57 +00:00
Chris Lattner 0e7fd2f1a8 simplify some code, BreakUpSubtract always returns nonnull now. 
llvm-svn: 47251
 2008-02-18 02:18:25 +00:00
Chris Lattner 5f08ec854f fix pasto 
llvm-svn: 47242
 2008-02-17 20:54:40 +00:00
Chris Lattner a70d138457 Split up subtracts into add+negate if they have a reassociable use or operand 
that is also a subtract.  This implements PR2047 and Transforms/Reassociate/subtest2.ll 

llvm-svn: 47241
 2008-02-17 20:51:26 +00:00
Chris Lattner 902537cd8d make the logic for breaking up subtracts more explicit, no 
functionality change.

llvm-svn: 47239
 2008-02-17 20:44:51 +00:00
Dan Gohman 70de4cb1cd Use empty() instead of comparing size() with zero. 
llvm-svn: 46514
 2008-01-29 13:02:09 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Nick Lewycky e7da2d6ac3 Fix typo in comment. 
llvm-svn: 36873
 2007-05-06 13:37:16 +00:00
Devang Patel 8c78a0bff0 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel e95c6ad802 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel 09f162ca6a Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Reid Spencer 2e54a15943 Prefer non-virtual calls to ConstantInt::isZero over virtual calls to 
Constant::isNullValue() in situations where it is possible.

llvm-svn: 34821
 2007-03-02 00:28:52 +00:00
Reid Spencer 17797076ef Use isUnitValue() instead of getZExtValue() == 1 which will prevent an 
assert if the ConstantInt's value is large.

llvm-svn: 34814
 2007-03-01 21:51:23 +00:00
Reid Spencer d84d35ba70 For PR1195: 
Rename PackedType -> VectorType, ConstantPacked -> ConstantVector, and
PackedTyID -> VectorTyID. No functional changes.

llvm-svn: 34293
 2007-02-15 02:26:10 +00:00
Chris Lattner 6e0123b17f Simplify code by using value::takename 
llvm-svn: 34176
 2007-02-11 01:23:03 +00:00
Reid Spencer 557ab15e71 Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in 
the Transforms library. This reduces debug library size by 132 KB, debug
binary size by 376 KB, and reduces link time for llvm tools slightly.

llvm-svn: 33939
 2007-02-05 23:32:05 +00:00
Reid Spencer 2eadb5310d For PR970: 
Clean up handling of isFloatingPoint() and dealing with PackedType.
Patch by Gordon Henriksen!

llvm-svn: 33415
 2007-01-21 00:29:26 +00:00
Chris Lattner 03c4953cdd rename Type::isIntegral to Type::isInteger, eliminating the old Type::isInteger. 
rename Type::getIntegralTypeMask to Type::getIntegerTypeMask.

This makes naming much more consistent.  For example, there are now no longer any
instances of IntegerType that are not considered isInteger! :)

llvm-svn: 33225
 2007-01-15 02:27:26 +00:00
Zhou Sheng 75b871fb1e For PR1043: 
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.

llvm-svn: 33073
 2007-01-11 12:24:14 +00:00
Reid Spencer 266e42b312 For PR950: 
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.

llvm-svn: 32751
 2006-12-23 06:05:41 +00:00
Chris Lattner 79a42ac941 Switch over Transforms/Scalar to use the STATISTIC macro. For each statistic 
converted, we lose a static initializer.  This also allows GCC to emit warnings
about unused statistics.

llvm-svn: 32690
 2006-12-19 21:40:18 +00:00
Bill Wendling 22e978a736 Removing even more <iostream> includes. 
llvm-svn: 32320
 2006-12-07 20:04:42 +00:00
Chris Lattner 700b873130 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Chris Lattner edcc8c2f8b Remove the 'printname' argument to WriteAsOperand. It is always true, and 
passing false would make the asmprinter fail anyway.

llvm-svn: 32264
 2006-12-06 06:16:21 +00:00
Reid Spencer 7eb55b395f For PR950: 
Replace the REM instruction with UREM, SREM and FREM.

llvm-svn: 31369
 2006-11-02 01:53:59 +00:00
Reid Spencer 7e80b0b31e For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.

llvm-svn: 31195
 2006-10-26 06:15:43 +00:00
Reid Spencer e0fc4dfc22 For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +00:00
Chris Lattner c2d3d3112e eliminate RegisterOpt. It does the same thing as RegisterPass. 
llvm-svn: 29925
 2006-08-27 22:42:52 +00:00
Chris Lattner e63d808b6e Fix Transforms/Reassociate/2006-04-27-ReassociateVector.ll 
llvm-svn: 28007
 2006-04-28 04:14:49 +00:00
Chris Lattner c5f866bb4a Implement a FIXME, recusively reassociating 
A*A*B + A*A*C   -->   A*(A*B+A*C)   -->   A*(A*(B+C))

This implements Reassociate/mul-factor3.ll

llvm-svn: 26757
 2006-03-14 16:04:29 +00:00
Chris Lattner 2fc319d444 extract some code into a method, no functionality change 
llvm-svn: 26755
 2006-03-14 07:11:11 +00:00
Chris Lattner d6bde46d85 Promote shifts by a constant to multiplies so that we can reassociate 
(x<<1)+(y<<1) -> (X+Y)<<1.  This implements
Transforms/Reassociate/shift-factor.ll

llvm-svn: 26753
 2006-03-14 06:55:18 +00:00
Chris Lattner 4c065091d8 Add factoring of multiplications, e.g. turning A*A+A*B into A*(A+B). 
Testcase here: Transforms/Reassociate/mulfactor.ll

llvm-svn: 26524
 2006-03-04 09:31:13 +00:00
Chris Lattner c597b8a55e Make iostream #inclusion explicit 
llvm-svn: 25514
 2006-01-22 23:32:06 +00:00
Chris Lattner b5e381a8cf Fix a problem that Dan Berlin noticed, where reassociation would not succeed 
in building maximal expressions before simplifying them.  In particular, i
cases like this:

X-(A+B+X)

the code would consider A+B+X to be a maximal expression (not understanding
that the single use '-' would be turned into a + later), simplify it (a noop)
then later get simplified again.

Each of these simplify steps is where the cost of reassociation comes from,
so this patch should speed up the already fast pass a bit.

Thanks to Dan for noticing this!

llvm-svn: 23214
 2005-09-02 07:07:58 +00:00
Chris Lattner 9fe263aa75 Avoid creating garbage instructions, just move the old add instruction 
to where we need it when converting -(A+B+C) -> -A + -B + -C.

llvm-svn: 23213
 2005-09-02 06:38:04 +00:00
Chris Lattner d1325da091 add some assertions and fix problems where reassociate could access the 
Ops vector out of range

llvm-svn: 23211
 2005-09-02 05:23:22 +00:00
Chris Lattner 8ca5b2a6d2 Fix Regression/Transforms/Reassociate/2005-08-24-Crash.ll 
llvm-svn: 23019
 2005-08-24 17:55:32 +00:00
Chris Lattner 9f269e40c9 Use the new 'moveBefore' method to simplify some code. Really, which is 
easier to understand?  :)

llvm-svn: 22706
 2005-08-08 19:11:57 +00:00
Jeff Cohen 5f4ef3c5a8 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
Chris Lattner 31c667e234 Fix Reassociate/shifttest.ll 
llvm-svn: 21839
 2005-05-10 03:39:25 +00:00
Chris Lattner df3332660f Implement Reassociate/mul-neg-add.ll 
llvm-svn: 21788
 2005-05-08 21:41:35 +00:00
Chris Lattner c4f8e2b0ed Bail out earlier 
llvm-svn: 21786
 2005-05-08 21:33:47 +00:00
Chris Lattner 877b114037 Teach reassociate that 0-X === X*-1 
llvm-svn: 21785
 2005-05-08 21:28:52 +00:00
Chris Lattner 9f284e0a3c Fix PR557 and basictest[34].ll. 
This makes reassociate realize that loads should be treated as unmovable, and
gives distinct ranks to distinct values defined in the same basic block, allowing
reassociate to do its thing.

llvm-svn: 21783
 2005-05-08 20:57:04 +00:00
Chris Lattner 9187f3905e Add debugging information 
llvm-svn: 21781
 2005-05-08 20:09:57 +00:00
Chris Lattner 08582be283 eliminate gotos 
llvm-svn: 21780
 2005-05-08 19:48:43 +00:00
Chris Lattner 5847e5e10c Improve reassociation handling of inverses, implementing inverses.ll. 
llvm-svn: 21778
 2005-05-08 18:59:37 +00:00
Chris Lattner e1850b86b6 Refactor some code 
llvm-svn: 21772
 2005-05-08 00:19:31 +00:00
Chris Lattner 6e2086d7e4 Handle some simple cases where we can see that values get annihilated. 
llvm-svn: 21771
 2005-05-08 00:08:33 +00:00