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203 Commits

Author SHA1 Message Date
Michael Gottesman e1fad2b560 Remove APInt::extractBit since it is already implemented via operator[]. Change tests for extractBit to test operator[]. 
llvm-svn: 197277
 2013-12-13 22:00:19 +00:00
Michael Gottesman 4497d963fb [block-freq] Add the APInt method extractBit. 
llvm-svn: 197271
 2013-12-13 20:47:34 +00:00
Benjamin Kramer b565f89929 APInt: Simplify code. No functionality change. 
llvm-svn: 183073
 2013-06-01 11:26:39 +00:00
Michael Gottesman 9d406f4ec7 [APInt] Implement tcDecrement as a counterpart to tcIncrement. This is for use in APFloat IEEE-754R 2008 nextUp/nextDown function. 
rdar://13852078

llvm-svn: 182801
 2013-05-28 19:50:20 +00:00
Michael J. Spencer df1ecbd734 Replace Count{Leading,Trailing}Zeros_{32,64} with count{Leading,Trailing}Zeros. 
llvm-svn: 182680
 2013-05-24 22:23:49 +00:00
Jakub Staszak 773be0ce1f Use pre-inc, pre-dec when possible. 
They are generally faster (at least not slower) than post-inc, post-dec.

llvm-svn: 177608
 2013-03-20 23:56:19 +00:00
Jakub Staszak 6605c604b9 Move part of APInt implementation from header to cpp file. These methods 
require call cpp file anyway, so we wouldn't gain anything by keeping them
inline.

llvm-svn: 175579
 2013-02-20 00:17:42 +00:00
Chandler Carruth ed0881b2a6 Use the new script to sort the includes of every file under lib. 
Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.

Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]

llvm-svn: 169131
 2012-12-03 16:50:05 +00:00
Sylvestre Ledru 91ce36c986 Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767 
llvm-svn: 164768
 2012-09-27 10:14:43 +00:00
Sylvestre Ledru 721cffd53a Fix a typo 'iff' => 'if' 
llvm-svn: 164767
 2012-09-27 09:59:43 +00:00
Benjamin Kramer 3aab6a86a2 PR13326: Fix a subtle edge case in the udiv -> magic multiply generator. 
This caused 6 of 65k possible 8 bit udivs to be wrong.

llvm-svn: 160058
 2012-07-11 18:31:59 +00:00
Chad Rosier 3d464d8068 Fix a crash in APInt::lshr when shiftAmt > BitWidth. 
Patch by James Benton <jbenton@vmware.com>.

llvm-svn: 158213
 2012-06-08 18:04:52 +00:00
Benjamin Kramer 78b505b065 Move APInt::operator[] inline. 
llvm-svn: 152692
 2012-03-14 00:38:15 +00:00
Benjamin Kramer 4c6a918cda 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
Benjamin Kramer 3870bc4805 Inline a trivial helper function. 
llvm-svn: 152577
 2012-03-12 21:18:53 +00:00
Benjamin Kramer 0f90695e31 Replace a hand-coded leading one counting loop with the magic from MathExtras.h. 
llvm-svn: 152545
 2012-03-11 19:32:35 +00:00
Chandler Carruth 71bd7d1e54 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
Ahmed Charles 0dca5d8f8c Fix undefined behavior. 
llvm-svn: 151385
 2012-02-24 19:06:15 +00:00
Rafael Espindola bb893fea6b 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
Eli Friedman 2aae94fa70 Fix APInt::rotl and APInt::rotr so that they work correctly. Found while writing some code that tried to use them. 
llvm-svn: 147134
 2011-12-22 03:15:35 +00:00
Dylan Noblesmith 1c419ff50d APInt: update asserts for base-36 
Hexatridecimal was added in r139695.

And fix the unittest that now triggers the assert.

llvm-svn: 146754
 2011-12-16 20:36:31 +00:00
David Blaikie 54c9462c77 Fix unreachable return & simplify some branches. 
llvm-svn: 145627
 2011-12-01 20:58:30 +00:00
Richard Smith 4f9a8081c3 Correctly byte-swap APInts with bit-widths greater than 64. 
llvm-svn: 145111
 2011-11-23 21:33:37 +00:00
Eli Friedman 195464184e Fix APInt::operator*= so that it computes the correct result for large integers where there is unsigned overflow. Fix APFloat::toString so that it doesn't depend on the incorrect behavior in common cases (and computes the correct result in some rare cases). Fixes PR11086. 
llvm-svn: 141441
 2011-10-07 23:40:49 +00:00
Douglas Gregor c98ac850eb U is good enough 
llvm-svn: 140166
 2011-09-20 18:33:29 +00:00