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783 Commits

Author SHA1 Message Date
Dan Gohman
b11af0db2e Use gv's --spartan option, which trades away an extra row of UI buttons 
for more space for displaying the graph.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49730 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 17:27:05 +00:00
Dan Gohman
3bd659ba20 Make several symbols static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49496 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-10 21:11:47 +00:00
Bill Wendling
a442006f48 Fix compilation errors on MSVC. Patch by Argiris Kirtzidis! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49055 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 22:09:20 +00:00
Chris Lattner
038112a4e0 Change the MemoryBuffer::getFile* methods to take just a pointer to the 
start of a filename, not a filename+length.  All clients can produce a
null terminated name, and the system api's require null terminated 
strings anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 18:04:03 +00:00
Chris Lattner
11da4cf25c Reimplement MemoryBuffer::getFile with three enhancements: 
1) stop using MappedFile.
2) if profitable use the sys::path::MapInFilePages api to
   read the file.
3) otherwise fallback to read.

When sys::path::MapInFilePages is implemented, this provides
several benefits:

#1: this avoids fragmenting memory for small files.
#2: this avoids extraneous stat calls when the file size is known.
#3: this only keeps the file descriptor open while reading the 
    file, not for the duration of the lifetime of the memory 
    buffer.  This fixes a serious clang FD 'leak' problem.

I believe that this will work on a win32 machine, but I don't have
one to test on.  I'd appreciate it if someone could check.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49031 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 06:05:21 +00:00
Chris Lattner
37db5d67f9 Remove the MappedFile::charBase member, rename base -> getBase() and 
make getBase() return a const-correct pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:40:53 +00:00
Chris Lattner
a7750c1142 Change DiffFilesWithTolerance to be written in terms of MemoryBuffer, 
not an mmapped file.  This more closely matches its requirements and
provides an implicitly null terminated buffer, something this
routine had to emulate itself before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49024 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:39:49 +00:00
Chris Lattner
bdbd2d710c Remove MappedFile support for mapping files for write and exec 
and shared.  This complicates the design, is not used, and probably
doesn't even work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49022 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:10:22 +00:00
Dan Gohman
950a4c40b8 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48801 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 22:06:05 +00:00
Dan Gohman
cfbb2f074d A quick nm audit turned up several fixed tables and objects that were 
marked read-write. Use const so that they can be allocated in a
read-only segment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48800 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 21:45:14 +00:00
Bill Wendling
f7a91e68a8 Add assert for non-hexadecimal radixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48421 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-16 20:05:52 +00:00
Evan Cheng
a8de38f351 Fix a typo. It's causing consumer-typeset to miscompile. Perhaps more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48035 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 22:39:49 +00:00
Dan Gohman
cf609575ef Add support to APInt for shift and rotate operations with APInt 
instead of uint32_t for the shift/rotate count operand type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:40:47 +00:00
Dan Gohman
93c276e1c9 Add a method to APFloat to convert directly from APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:26:11 +00:00
Dan Gohman
61e015fe74 Fix a bug that caused opt and other tools to silently ignore 
invalid command-line options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47523 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-23 01:55:25 +00:00
Dan Gohman
b5660dc822 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47382 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 16:44:09 +00:00
Anton Korobeynikov
d57160d097 Add 'sink' cmdline option. Patch by Mikhail Glushenkov! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47377 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 12:38:07 +00:00
Anton Korobeynikov
ae9f3a3b7c Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 11:08:44 +00:00
Ted Kremenek
a795aca96a Fixed bug in APInt::Profile() where the BitWidth field was not included in the 
profile of the APSInt object. This caused unexpected Profile collisions where
none should have occurred.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47338 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-19 20:50:41 +00:00
Ted Kremenek
e3e09574ae Fixed bug in FoldingSetIteratorImpl where we did not correctly check if 
we had reached the "fake bucket" after the last bucket, allowing the iterator
in some cases to run off the end of the hashtable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47178 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-15 21:12:46 +00:00
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
Neil Booth
7a7bc0f724 Now that convertFromUnsignedParts has a sane, constant interface, 
convertFromZeroExtendedInteger can be simplified as it doesn't need
to make a copy of the source bignum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42734 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 12:10:57 +00:00
Neil Booth
643ce59495 Reimplement convertFromUnsignedInteger so it is passed a const bignum. 
It used to modify its argument in-place.

This interface is saner and the implementation more efficient.  It will
be needed for decimal->binary conversion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 12:07:53 +00:00
Neil Booth
ccf596a53e convertFromInteger, as originally written, expected sign-extended 
input.  APInt unfortunately zero-extends signed integers, so Dale
modified the function to expect zero-extended input.  Make this
assumption explicit in the function name.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42732 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 11:45:55 +00:00
Neil Booth
33d4c92e78 combineLostFractions does not need to be a member function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42729 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 08:51:21 +00:00
Neil Booth
92f7e8d925 Cleaner, more general exponent output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 07:29:25 +00:00
Chris Lattner
a11ef82207 silence warnings in no-assert build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42687 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 06:13:42 +00:00
Neil Booth
055c0b3a8f Fix and clarify some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42670 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 00:43:45 +00:00
Neil Booth
978661d053 Generalize tcFullMultiply so that the operands can be of differing 
part widths.  Also, return the number of parts actually required to
hold the result's value.
Remove an over-cautious condition from rounding of float->hex conversion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 00:24:48 +00:00
Neil Booth
a30b0ee959 Add APFloat -> hexadecimal string conversion, as per %a and %A in C99. 
Useful for diagnostics and debugging.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42598 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 22:26:02 +00:00
Chris Lattner
116c3219df Add initial iterator support for folding set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42589 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 21:12:09 +00:00
Chris Lattner
9a7288b0c6 Simplify implementation of the FoldingSet circular list, a necessary step 
to giving it iterators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42586 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 20:45:43 +00:00
Neil Booth
b7dea4cb36 Tweak RoundAwayFromZero the bit number below which is truncated, and make 
it const.

Preparation for APFloat -> hexadecimal string conversion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 15:16:41 +00:00
Dale Johannesen
cce23a4c35 Simplify and fix signed int -> FP conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42483 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 18:17:01 +00:00
Neil Booth
4f88170be0 Whitespace and compiler warning cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:33:42 +00:00
Dale Johannesen
0edc47ad7b Make APFloat->int conversions deterministic even in 
cases with undefined behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 23:07:07 +00:00
Dale Johannesen
902ff94aff Fix long double<->shorter FP type conversions 
of zero, infinity, and NaNs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:25:00 +00:00
Neil Booth
c8db43ddaf Handle storage complications of float->float conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42220 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-22 02:56:19 +00:00
Dale Johannesen
910993e8dc Change APFloat::convertFromInteger to take the incoming 
bit width instead of number of words allocated, which
makes it actually work for int->APF conversions.
Adjust callers.  Add const to one of the APInt constructors
to prevent surprising match when called with const
argument.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42210 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 22:09:37 +00:00
Dale Johannesen
a72a5a095d Fix PR 1688. See comments there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42181 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 23:47:58 +00:00
Devang Patel
8feb1f4467 Do not hide APInt::dump() inside #ifndef NDEBUG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42068 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 22:24:00 +00:00
Chris Lattner
2204906892 fix a gcc warning: comparison between signed and unsigned integer expressions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41972 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 22:57:00 +00:00
Dale Johannesen
9e3d3abd93 Remove the assumption that FP's are either float or 
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41967 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 22:26:36 +00:00
Dan Gohman
f82e1e66ce And an FoldingSetImpl::NodeID::AddInteger overload for int64_t, to avoid 
ambiguity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41960 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 20:48:42 +00:00
Dan Gohman
cb648f90a2 Remove spurious consts. This fixes warnings with compilers that 
are strict about such things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41956 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 20:08:19 +00:00
Dale Johannesen
257500db04 Compensate for partCount change in Bogus definition 
(could break hash table in ConstantFP)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41874 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-12 01:22:05 +00:00
Dale Johannesen
3f6eb7419d Add APInt interfaces to APFloat (allows directly 
access to bits).  Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling 
(untested, probably does not work).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41858 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 18:32:33 +00:00
Evan Cheng
7dfda9e674 Smarter Reset(). Instead of deallocating all memory regions and reallocate the 
first region, just deallocate all but the last region in the list.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41782 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-08 00:02:17 +00:00
Evan Cheng
188b5224fd Added Reset() to free all allocated memory regions and reset state to be the same as right after ctor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 21:41:34 +00:00
Dale Johannesen
58c2e4c5fd Fix mod so it actually works. Fix conversions to 
native types to handle denormals correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41726 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 20:39:49 +00:00
Dale Johannesen
e15c2db993 Oops, should be part of 41664; won't work very well without this piece. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41665 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 23:35:31 +00:00