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161 Commits

Author SHA1 Message Date
Dmitri Gribenko
aee81e7cae Fix Doxygen issues: 
* wrap code blocks in \code ... \endcode;
* refer to parameter names in paragraphs correctly (\arg is not what most
  people want -- it starts a new paragraph).

llvm-svn: 163790
 2012-09-13 12:34:29 +00:00
Dmitri Gribenko
98218ea1ef Fix a bunch of -Wdocumentation warnings. 
llvm-svn: 162446
 2012-08-23 16:54:08 +00:00
Benjamin Kramer
42c85ae9d5 APInt: Simplify code. 
No functionality change.

llvm-svn: 160929
 2012-07-29 12:33:29 +00:00
Bill Wendling
f720eb7a94 Remove tabs. 
llvm-svn: 160471
 2012-07-18 23:58:37 +00:00
Eric Christopher
73191af11c Move IsSameValue from clang's ASTImporter to be methods on the 
APInt/APSInt classes.

Part of rdar://11875995

llvm-svn: 160223
 2012-07-15 00:23:36 +00:00
Benjamin Kramer
23f7f57c50 Add move semantics to APInt. 
llvm-svn: 157883
 2012-06-02 08:39:08 +00:00
Nuno Lopes
328f9efec2 fix the quotient returned by sdivrem() for the case when LHS is negative and RHS is positive 
based on a patch by Preston Briggs, with some modifications

llvm-svn: 157231
 2012-05-22 01:09:48 +00:00
Benjamin Kramer
3bb5766d6e Move APInt::operator[] inline. 
llvm-svn: 152692
 2012-03-14 00:38:15 +00:00
Benjamin Kramer
8a2603ad7e Move APInt::operator! inline, it's small and fuses well with surrounding code when inlined. 
llvm-svn: 152688
 2012-03-14 00:01:35 +00:00
Chandler Carruth
a93fbd8fff Replace the hashing functions on APInt and APFloat with overloads of the 
new hash_value infrastructure, and replace their implementations using
hash_combine. This removes a complete copy of Jenkin's lookup3 hash
function (which is both significantly slower and lower quality than the
one implemented in hash_combine) along with a somewhat scary xor-only
hash function.

Now that APInt and APFloat can be passed directly to hash_combine,
simplify the rest of the LLVMContextImpl hashing to use the new
infrastructure.

llvm-svn: 152004
 2012-03-04 12:02:57 +00:00
Rafael Espindola
7bddde2b49 Add r149110 back with a fix for when the vector and the int have the same 
width.

llvm-svn: 149151
 2012-01-27 23:33:07 +00:00
Benjamin Kramer
a41c3f4eff Handle more cases in APInt::getLowBitsSet's fast path. 
llvm-svn: 145249
 2011-11-28 16:56:38 +00:00
Douglas Gregor
8c0777c5f3 Add APInt support for converting to/from hexatridecimal strings 
llvm-svn: 139695
 2011-09-14 15:54:46 +00:00
Jeffrey Yasskin
2e0f2a0985 Add APInt(numBits, ArrayRef<uint64_t> bigVal) constructor to prevent future ambiguity 
errors like the one corrected by r135261.  Migrate all LLVM callers of the old
constructor to the new one.

llvm-svn: 135431
 2011-07-18 21:45:40 +00:00
Ted Kremenek
947d9a7e53 add option for literal formatting to APInt::toString() 
toString() now takes an optional bool argument that,
depending on the radix, adds the appropriate prefix
to the integer's string representation that makes it into a
meaningful C literal, e.g.:

hexademical: '-f' becomes '-0xf'
octal: '77' becomes '077'
binary: '110' becomes '0b110'

Patch by nobled@dreamwidth.org!

llvm-svn: 133032
 2011-06-15 00:51:55 +00:00
Frits van Bommel
c234349939 Constant folding support for calls to umul.with.overflow(), basically identical to the smul.with.overflow() code. 
llvm-svn: 128379
 2011-03-27 14:26:13 +00:00
Benjamin Kramer
a85996c235 Add an argument to APInt's magic udiv calculation to specify the number of bits that are known zero in the divided number. 
This will come in handy soon.

llvm-svn: 127828
 2011-03-17 20:39:06 +00:00
Cameron Zwarich
af4779907f Add a getNumSignBits() method to APInt. 
llvm-svn: 126379
 2011-02-24 10:00:20 +00:00
Chris Lattner
307c1d4847 add a helper method. 
llvm-svn: 125453
 2011-02-13 08:04:16 +00:00
Jay Foad
79e18ed269 PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and 
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

llvm-svn: 121120
 2010-12-07 08:25:19 +00:00
Benjamin Kramer
e2e8053264 APInt: microoptimize a few methods. 
llvm-svn: 120912
 2010-12-04 18:05:36 +00:00
Benjamin Kramer
ec7938f7af Simplify APInt::getAllOnesValue. 
llvm-svn: 120911
 2010-12-04 16:37:47 +00:00
Jay Foad
789e8ac4f7 PR5207: Rename overloaded APInt methods set(), clear(), flip() to 
setAllBits(), setBit(unsigned), etc.

llvm-svn: 120564
 2010-12-01 08:53:58 +00:00
Jay Foad
c663d7e4f6 PR5207: Make APInt::set(), APInt::clear() and APInt::flip() return void. 
llvm-svn: 120413
 2010-11-30 09:02:01 +00:00
Jay Foad
eb28ac4a7a PR5207: remove unused methods APInt::Emit() and APInt::Read(). 
llvm-svn: 120262
 2010-11-28 21:05:31 +00:00
Jay Foad
7378352505 PR5207: change APInt::doubleToBits() and APInt::floatToBits() to be 
static methods that return a new APInt.

llvm-svn: 120261
 2010-11-28 21:04:48 +00:00
Dan Gohman
67f95d770b Factor code out of APInt to form a isUIntN helper function. 
llvm-svn: 118133
 2010-11-03 00:38:40 +00:00
Chris Lattner
451a0accb5 add uadd_ov/usub_ov to apint, consolidate constant folding 
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.

llvm-svn: 116457
 2010-10-14 00:05:07 +00:00
Chris Lattner
365326538a missed a line :( 
llvm-svn: 116456
 2010-10-13 23:57:00 +00:00
Chris Lattner
093d5fe0a9 constify these methods. 
llvm-svn: 116455
 2010-10-13 23:54:10 +00:00
Chris Lattner
70a78ab2c5 add a few operations for signed operations that also 
return an overflow flag.

llvm-svn: 116452
 2010-10-13 23:46:33 +00:00
Benjamin Kramer
1725ef6c89 Use getAllOnesValue, saves a copy and looks better. 
llvm-svn: 110991
 2010-08-13 00:29:44 +00:00
Benjamin Kramer
da3e6cdb26 Don't pass StringRef by reference. 
llvm-svn: 108366
 2010-07-14 22:38:02 +00:00
Dan Gohman
127f5c53e1 Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience. 
llvm-svn: 100824
 2010-04-08 23:03:40 +00:00
John McCall
b6e6dd63ad Add an override to StringRef::getAsInteger which parses into an APInt. 
It gets its own implementation totally divorced from the (presumably
performance-sensitive) routines which parse into a uint64_t.

Add APInt::operator|=(uint64_t), which is situationally much better than
using a full APInt.

llvm-svn: 97381
 2010-02-28 09:55:58 +00:00
John McCall
69bc985550 Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-width 
payloads.  APFloat's internal folding routines always make QNaNs now,
instead of sometimes making QNaNs and sometimes SNaNs depending on the
type.

llvm-svn: 97364
 2010-02-28 02:51:25 +00:00
Dan Gohman
f9067da535 Add a ceilLogBase2 function to APInt. 
llvm-svn: 83932
 2009-10-13 01:49:02 +00:00
Chris Lattner
c02ffc37e0 remove the dead std::ostream APInt inserter 
llvm-svn: 79875
 2009-08-23 23:11:28 +00:00
Daniel Dunbar
3a5a25d5d5 Convert APint::{fromString,APInt,getBitsNeeded} to use StringRef. 
- Patch by Erick Tryzelaar, with some edits (and a bug fix) from me.

llvm-svn: 78885
 2009-08-13 02:33:34 +00:00
Dan Gohman
148d3bb9b4 Reapply 74494, this time removing the conflicting definition of operator<< 
in APIntTest.cpp.

llvm-svn: 74550
 2009-06-30 20:10:56 +00:00
Bill Wendling
1121a4ce5e Temporarily revert r74494. It was causing failures in the unit tests. 
llvm-svn: 74515
 2009-06-30 07:05:27 +00:00
Dan Gohman
f207911974 Define an operator<< for APInt to be used with std::ostream. 
This will allow it to be used in unittests that use gtest's
EXPECT_EQ.

llvm-svn: 74494
 2009-06-30 01:28:08 +00:00
Jay Foad
9768cabf4a Move helper functions for optimizing division by constant into the APInt 
class.

llvm-svn: 70488
 2009-04-30 10:15:35 +00:00
Douglas Gregor
d2b9d57e20 Add a static APInt::getNumWords 
llvm-svn: 68977
 2009-04-13 19:43:10 +00:00
Dan Gohman
770f4158e5 Use CHAR_BIT instead of hard-coding 8 in several places where it 
is appropriate. This helps visually differentiate host-oriented
calculations from target-oriented calculations.

llvm-svn: 68227
 2009-04-01 18:45:54 +00:00
Misha Brukman
380e3db1b4 Fixed lint errors: 
* Alphabetized #includes
* Removed trailing whitespace
* Wrapped or shortened lines over 80 chars

llvm-svn: 65181
 2009-02-20 22:20:18 +00:00
Bill Wendling
a03453cace These function return 'void'. Don't have 'return' return anything. 
llvm-svn: 64136
 2009-02-09 12:31:26 +00:00
Chris Lattner
816e00f6a0 eliminate use of uint32_t to improve compatibility with cygwin 
llvm-svn: 62591
 2009-01-20 18:23:14 +00:00
Misha Brukman
da77da48f3 Removed trailing whitespace. 
llvm-svn: 62000
 2009-01-09 19:25:42 +00:00
Chris Lattner
a249224590 Fix isIntN to work with APInts > 64 bits. This method is only 
used by clang apparently.

llvm-svn: 60446
 2008-12-02 23:33:29 +00:00