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23 Commits

Author SHA1 Message Date
Dan Gohman e955c481fd Fix several const-correctness issues, resolving some -Wcast-qual warnings. 
llvm-svn: 54349
 2008-08-05 14:45:15 +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
Chris Lattner 581f006f5d make smallptrset more const and type correct, which caught a few 
minor bugs.

llvm-svn: 43782
 2007-11-06 22:12:43 +00:00
Anton Korobeynikov b61c63ecd0 Properly use const qualifiers 
llvm-svn: 41111
 2007-08-15 21:12:30 +00:00
Chris Lattner 44f7d3aa0b When clearing a SmallPtrSet, if the set had a huge capacity, but the 
contents of the set were small, deallocate and shrink the set.  This
avoids having us to memset as much data, significantly speeding up
some pathological cases.  For example, this speeds up the verifier
from 0.3899s to 0.0763 (5.1x) on the testcase from PR1432 in a 
release build.

llvm-svn: 40837
 2007-08-05 07:32:14 +00:00
Owen Anderson 49f037ac29 Allow SmallPtrSet to hold pointers to const data. 
llvm-svn: 40556
 2007-07-27 18:07:02 +00:00
Owen Anderson 4c54024319 Make the copy constructor of SmallPtrSet much faster. 
llvm-svn: 40474
 2007-07-24 21:31:23 +00:00
Owen Anderson ee99010782 Remember to free the heap allocated array if we're not going to use it. 
llvm-svn: 40043
 2007-07-19 06:45:33 +00:00
Owen Anderson e21f270858 Fix an issue where assignments that caused a SmallPtrSet to become non-small 
would result in calling realloc() on a null pointer.  Instead, if we encounter
this situation, make a normal call to malloc().

llvm-svn: 40014
 2007-07-18 19:54:15 +00:00
Reid Spencer 5060fd0fa3 Unbreak the build by putting calls to free into the implementation file and 
having that implementation file #include <cstdlib>.

llvm-svn: 39952
 2007-07-17 02:16:12 +00:00
Owen Anderson 81990a3fc3 Use realloc() to (potentially) resize the contents of SmallPtrSet in place. 
llvm-svn: 39926
 2007-07-16 21:27:44 +00:00
Owen Anderson e33356b18e Make the assignment operator for SmallPtrSet much faster for normal cases. 
llvm-svn: 38474
 2007-07-09 22:27:20 +00:00
Owen Anderson 3364abbb36 Make the assignment operator for SmallPtrSet return a reference, and fix a long-standing bug in the copy 
ctor while I'm at it.

Thanks to Chris Lattner for help with this patch.

llvm-svn: 38470
 2007-07-09 20:59:01 +00:00
Owen Anderson aee901745d Fix an error in the assignment operator that was causing an infinite loop in GVNPRE.cpp. 
Patch by Chis Lattner.

llvm-svn: 38467
 2007-07-09 18:51:15 +00:00
Chris Lattner 85049a470e implement operator= for smallptrset 
llvm-svn: 38460
 2007-07-09 16:54:03 +00:00
Owen Anderson 6d7b6f1ab8 Fix a bug in SmallPtrSet that was causing GVNPRE to enter an infinite loop. 
llvm-svn: 37697
 2007-06-22 00:11:18 +00:00
Chris Lattner 836e8f3f39 Two changes: 
1. Make SmallPtrSet::erase faster in the small case by replacing a memmove
    with a pointer copy.
 2. Fix a bug where the null terminator at the end of the array in the small
    case was not copied

llvm-svn: 37696
 2007-06-21 23:23:32 +00:00
Jeff Cohen e7ce8f23f6 Fix PR1329. 
llvm-svn: 36016
 2007-04-14 21:50:21 +00:00
Chris Lattner e346767f06 do not let the table fill up with tombstones. 
llvm-svn: 33973
 2007-02-07 01:11:25 +00:00
Chris Lattner 92c5d1185f Fix a bug in smallptrset::erase: in the small case, return true if the 
element was in the set.

llvm-svn: 33931
 2007-02-05 23:10:31 +00:00
Chris Lattner 39ab70cf80 implement SmallPtrSet::erase 
llvm-svn: 33581
 2007-01-27 07:59:10 +00:00
Chris Lattner ab5d0ba168 add a note 
llvm-svn: 33578
 2007-01-27 07:18:32 +00:00
Chris Lattner 74102df857 Add a new SmallSet ADT specialized for pointers. 
llvm-svn: 33577
 2007-01-27 07:10:46 +00:00