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1163 Commits

Author SHA1 Message Date
Dan Gohman
5a0e7b41c1 Fix a warning about comparison between signed and unsigned, 
being consistent with the rest of the APInt implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47138 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-14 22:38:45 +00:00
Dan Gohman
42dd77f207 Add countTrailingOnes member functions to APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47086 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-13 21:11:05 +00:00
Ted Kremenek
1f801fa5ad Added "Profile" method to APFloat for use with FoldingSet. 
Added member template "Add" to FoldingSetNodeID that allows "adding" arbitrary
objects to a profile via dispatch to FoldingSetTrait<T>::Profile().

Removed FoldingSetNodeID::AddAPFloat and FoldingSetNodeID::APInt, as their
functionality is now replaced using the above mentioned member template.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 17:24:50 +00:00
Dan Gohman
167b8bc24d Add support to FoldingSet for hashing APInt objects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46833 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 23:09:15 +00:00
Ted Kremenek
26e3c445fc Added "bucket_iterators" to FoldingSet. Bucket iterators allow iteration 
over all the nodes in a particular bucket.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46716 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 21:11:17 +00:00
Ted Kremenek
27a8e0dc2f Fixed 80 col. violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46709 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 17:14:20 +00:00
Dale Johannesen
b63fa050b7 Chris' change to print an approximation to long doubles 
exposed a bug in APFloat's long double->double conversion of
NaNs.  Broke several things in the ieee part of gcc testsuite.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46617 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 18:34:01 +00:00
Dan Gohman
b10abe1e8c Remove top-level const qualifiers from casts, avoiding associated 
compiler warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-29 12:08:20 +00:00
Lauro Ramos Venancio
42f6e455de Simplify the code and fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-28 20:02:51 +00:00
Lauro Ramos Venancio
599ddf9a76 Fix fpcmp infinite loop when comparing "29-266" with "29-268". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46455 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-28 18:23:23 +00:00
Ted Kremenek
4048a08284 Added FoldingSet style 'profiling' support for APSInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46189 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-19 04:31:12 +00:00
Ted Kremenek
e420debd26 Added FoldingSet style 'profiling' support for APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46188 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-19 04:23:33 +00:00
Ted Kremenek
0a3fecad0a Made 'FoldingSetNodeID' a proper class instead of a nested class in 
'FoldingSetNodeImpl' (previously 'FoldingSetNodeID' was a typedef of
'FoldingSetNodeImpl::NodeID').

Why?  Clients can now easily forward declare 'FoldingSetNodeID' without having
to include FoldingSet.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46187 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-19 04:22:50 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Chris Lattner
fc643c5e88 remove attribution from lib Makefiles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:09:26 +00:00
Anton Korobeynikov
97d37260df Cygwin defines uint32_t as unsigned long. Unbreak call to std::min in this case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45342 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-24 11:16:47 +00:00
Reid Spencer
9af1887537 Don't have APInt.cpp depend upon DerivedTypes.h. This helps with splitting the 
Support libraries separately into their own module.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-11 06:53:58 +00:00
Chris Lattner
36d26c201f proper #include order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44707 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 19:00:03 +00:00
Gordon Henriksen
985cb62234 Adding a StringPool data structure, which GC will use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44705 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 17:07:47 +00:00
Neil Booth
cc2335968f Prior commit updated wrong if, apologies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44614 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-05 13:06:04 +00:00
Neil Booth
a89e45f754 Handle zero correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44613 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-05 13:01:24 +00:00
Dale Johannesen
db1e30272c Handle 0 correctly in string->APFloat conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44594 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-05 01:10:19 +00:00
Chris Lattner
9e513acd31 Fix PR1816, by correcting the broken definition of APInt::countTrailingZeros. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44296 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-23 22:42:31 +00:00
Chris Lattner
5e557123ad Fix APInt::countTrailingZeros to return BitWidth if the input is zero instead of returning some random large number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44294 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-23 22:36:25 +00:00
Chris Lattner
2b1f1066ac Fix the Linker testcase regressions, by making MemoryBuffer::getFileOrSTDIN return 
a valid but empty buffer if stdin is empty.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44219 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-18 18:52:28 +00:00
Dale Johannesen
d0763b9159 Fix denormal check in float->APInt conversion. 
PR 1804.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44201 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-17 01:02:27 +00:00
Chris Lattner
373a733be0 make smallptrset more const and type correct, which caught a few 
minor bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43782 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-06 22:12:43 +00:00
Neil Booth
e3d936ac9c Remove some unnecessary C-style statics. 
Restore an assertion that arithmetic can be performed on this format.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43638 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-02 15:10:05 +00:00
Neil Booth
43a4b28e94 Add back line whose removal somehow crept into prior patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43627 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-01 22:51:07 +00:00
Neil Booth
ee7ae384f5 When converting to integer, do bit manipulations in the destination 
memory rather than in a copy of the APFloat.  This avoids problems
when the destination is wider than our significand and is cleaner.

Also provide deterministic values in all cases where conversion
fails, namely zero for NaNs and the minimal or maximal value
respectively for underflow or overflow.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43626 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-01 22:43:37 +00:00
Hartmut Kaiser
8df77a9e0f Clarified operator precedence. 
Silenced VC++ warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 23:15:31 +00:00
Chris Lattner
8dc2e288ac This requires rtti info because tblgen uses commandline, 
and tblgen requires rtti.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43127 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-18 15:57:29 +00:00
Neil Booth
686700e325 Fast-track obviously over-large and over-small exponents during decimal-> 
integer conversion.  In some such cases this makes us one or two orders
of magnitude faster than NetBSD's libc.  Glibc seems to have a similar
fast path.

Also, tighten up some upper bounds to save a bit of memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42984 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-15 15:00:55 +00:00
Neil Booth
e5e0194583 Consolidate logic for creating NaNs. Silence compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42966 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-14 10:39:51 +00:00
Neil Booth
caf19d79e5 Whether arithmetic is supported is a property of the semantics. Make it 
so, and clean up the checks by putting them in an inline function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42965 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-14 10:29:28 +00:00
Neil Booth
1870f29c6c Separate out parsing of decimal number. Use this to only allocate 
memory for the significand once up-front.  Also ignore insignificant
trailing zeroes; this saves unnecessary multiplications later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42964 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-14 10:16:12 +00:00
Neil Booth
d1a23d573d If the power of 5 is exact, and the reciprocal exact, the error is zero not one half-ulps. This prevents an infinite loop in rare cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42950 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-13 03:34:08 +00:00
Neil Booth
6ac7016eb1 Remove duplicate comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 16:05:57 +00:00
Neil Booth
96c7471b39 Implement correctly-rounded decimal->binary conversion, i.e. conversion 
from user input strings.

Such conversions are more intricate and subtle than they may appear;
it is unlikely I have got it completely right first time.  I would
appreciate being informed of any bugs and incorrect roundings you
might discover.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42912 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 16:02:31 +00:00
Neil Booth
5b8e0c5fd3 Remove a field that was never used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42911 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 15:35:10 +00:00
Neil Booth
7a951ca548 If we're trying to be arbitrary precision, unsigned char clearly won't cut it. Needed for dec->bin conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42910 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 15:33:27 +00:00
Neil Booth
1e8390d8d6 Don't attempt to mask no bits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42909 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 15:31:31 +00:00
Dale Johannesen
a471c2ecda Next PPC long double bits. First cut at constants. 
No compile-time support for constant operations yet,
just format transformations.  Make readers and
writers work.  Split constants into 2 doubles in
Legalize.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42865 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-11 18:07:22 +00:00
Chris Lattner
3daae2701b Add new MemoryBuffer::getMemBufferCopy method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42815 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 21:46:38 +00:00
Dan Gohman
9a5263241d Pass argc by value, not by reference, since it isn't modified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42788 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 16:04:57 +00:00
Chris Lattner
be2c4596cb Change a #include into a forward declaration 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42781 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 03:40:30 +00:00
Dan Gohman
82a13c9c48 Move the space in overview output for commands out of each of the 
commands and into the common code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:45:12 +00:00
Neil Booth
5477f8593d Use APInt::tcExtract. It's cleaner, and works :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42746 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 14:39:42 +00:00
Neil Booth
68e53ad6cb Add a new function tcExtract for extracting a bignum from an 
arbitrary range of bits embedded in the middle of another bignum.
This kind of operation is desirable in many cases of software
floating point, e.g. converting bignum integers to floating point
numbers of fixed precision (you want to extract the precision most
significant bits).

Elsewhere, add an assertion, and exit the shift functions early if
the shift count is zero.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 13:47:12 +00:00
Neil Booth
f16c595252 Add back convertFromSignExtendedInteger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42735 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 12:15:41 +00:00