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34615 Commits

Author SHA1 Message Date
Bill Wendling
4f58b72e9e Remove dead variable. 
llvm-svn: 92194
 2009-12-28 02:00:30 +00:00
Bill Wendling
4e43e78b2e Remove dead variable. 
llvm-svn: 92193
 2009-12-28 01:57:39 +00:00
Bill Wendling
3f3f9a1bc8 Remove dead store. 
llvm-svn: 92192
 2009-12-28 01:54:15 +00:00
Bill Wendling
32467ad0f7 Remove dead store and simplify code. 
llvm-svn: 92191
 2009-12-28 01:53:00 +00:00
Bill Wendling
3fbb708d4f Remove dead store. 
llvm-svn: 92190
 2009-12-28 01:51:30 +00:00
Bill Wendling
08d36672e1 Remove dead variable. 
llvm-svn: 92189
 2009-12-28 01:48:56 +00:00
Bill Wendling
5badb477fa Remove dead variable. 
llvm-svn: 92188
 2009-12-28 01:47:48 +00:00
Bill Wendling
6f5d4b9eb6 Remove dead store. 
llvm-svn: 92187
 2009-12-28 01:44:39 +00:00
Bill Wendling
8042a829e5 Remove dead variable. 
llvm-svn: 92186
 2009-12-28 01:42:12 +00:00
Bill Wendling
0eae096c38 Remove dead variable. 
llvm-svn: 92185
 2009-12-28 01:41:12 +00:00
Bill Wendling
b96be04b8a Remove dead variable. 
llvm-svn: 92184
 2009-12-28 01:36:02 +00:00
Bill Wendling
ae29dded44 Remove dead store. The initial value was never used, but always overridden. 
llvm-svn: 92182
 2009-12-28 01:31:11 +00:00
Bill Wendling
baec6e54f4 Add an "ATTRIBUTE_UNUSED" macro (and use it). It's for variables which are 
mainly used in debugging and/or assert situations. It should make the compiler
and the static analyzer stop nagging us about them.

llvm-svn: 92181
 2009-12-28 01:20:29 +00:00
Bill Wendling
008e2e1e7f Remove dead variable. 
llvm-svn: 92180
 2009-12-28 01:02:21 +00:00
Bill Wendling
8d5a69f960 Remove dead variable. 
llvm-svn: 92179
 2009-12-28 01:01:14 +00:00
Bill Wendling
091861587d Remove dead variable. 
llvm-svn: 92178
 2009-12-28 01:00:12 +00:00
Eli Friedman
3a53d1cb1a PR5886: Make sure IMUL32m is marked as setting EFLAGS, so scheduling doesn't 
do illegal stuff around it.  No testcase because the issue is very fragile.

llvm-svn: 92167
 2009-12-26 20:08:30 +00:00
Bill Wendling
c49babee26 Avoid assigning to Changed when it won't be used after the return. 
llvm-svn: 92160
 2009-12-25 13:50:18 +00:00
Bill Wendling
f3d0708729 Remove dead store. 
llvm-svn: 92159
 2009-12-25 13:45:50 +00:00
Bill Wendling
8273efdd31 Remove dead store from copy-pasto. 
llvm-svn: 92158
 2009-12-25 13:44:36 +00:00
Bill Wendling
736d9ee6b8 Remove dead store. 
llvm-svn: 92157
 2009-12-25 13:39:58 +00:00
Bill Wendling
32e19f65c4 Remove dead store. 
llvm-svn: 92156
 2009-12-25 13:37:27 +00:00
John McCall
75f1b8beeb Implement support for converting to string at "natural precision", and fix some 
major bugs in long-precision conversion.

llvm-svn: 92150
 2009-12-24 23:18:09 +00:00
John McCall
c6cdebbedd Substantially optimize APFloat::toString() by doing a single large divide to 
cut the significand down to the desired precision *before* entering the
core divmod loop.  Makes the overall algorithm logarithmic in the exponent.

There's still a lot of room for improvement here, but this gets the
performance back down to acceptable-for-diagnostics levels, even for
long doubles.
negligible, even on long doubles.

llvm-svn: 92130
 2009-12-24 12:16:56 +00:00
John McCall
c71c44ec7f Add accessors for the largest-magnitude, smallest-magnitude, and 
smallest-normalized-magnitude values in a given FP semantics.
Provide an APFloat-to-string conversion which I am quite ready to admit could
be much more efficient.

llvm-svn: 92126
 2009-12-24 08:56:26 +00:00
John McCall
dad4e2e4e5 Set Remainder before Quotient in case Quotient and LHS alias. The new 
order should be immune to such problems.

llvm-svn: 92124
 2009-12-24 08:52:06 +00:00
Chris Lattner
4e96d36f72 handle equality memcmp of 8 bytes on x86-64 with two unaligned loads and a 
compare.  On other targets we end up with a call to memcmp because we don't
want 16 individual byte loads.  We should be able to use movups as well, but
we're failing to select the generated icmp.

llvm-svn: 92107
 2009-12-24 01:07:17 +00:00
David Greene
12d565aa89 Change errs() to dbgs(). 
llvm-svn: 92099
 2009-12-24 00:39:02 +00:00
Chris Lattner
5d3919d5f9 move an optimization for memcmp out of simplifylibcalls and into 
SDISel.  This optimization was causing simplifylibcalls to 
introduce type-unsafe nastiness.  This is the first step, I'll be 
expanding the memcmp optimizations shortly, covering things that
we really really wouldn't want simplifylibcalls to do.

llvm-svn: 92098
 2009-12-24 00:37:38 +00:00
David Greene
48aa5efa78 Change errs() to dbgs(). 
llvm-svn: 92097
 2009-12-24 00:34:21 +00:00
David Greene
42be8783c0 Change errs() to dbgs(). 
llvm-svn: 92096
 2009-12-24 00:31:35 +00:00
David Greene
f215ecfc4d Change errs() to dbgs(). 
llvm-svn: 92094
 2009-12-24 00:27:55 +00:00
David Greene
d91c862004 Change errs() to dbgs(). 
llvm-svn: 92093
 2009-12-24 00:14:25 +00:00
David Greene
7d1f350ec6 Change errs() to dbgs(). 
llvm-svn: 92092
 2009-12-24 00:06:26 +00:00
David Greene
06d50ca292 Change errs() to dbgs(). 
llvm-svn: 92091
 2009-12-23 23:47:53 +00:00
David Greene
82413e3a13 Change errs() to dbgs(). 
llvm-svn: 92088
 2009-12-23 23:38:28 +00:00
David Greene
c0eced92e3 Change dbgs() back to errs() as Chris requested. 
llvm-svn: 92086
 2009-12-23 23:29:28 +00:00
David Greene
693db7a309 Change dbgs() back to errs() as Chris requested. 
llvm-svn: 92085
 2009-12-23 23:27:15 +00:00
Chris Lattner
7dbb93e430 reorder to follow a normal fall-through style, no functionality change. 
llvm-svn: 92084
 2009-12-23 23:24:51 +00:00
David Greene
9c8c8af11d Clarify how dbgs() operates. 
llvm-svn: 92083
 2009-12-23 23:23:15 +00:00
David Greene
0c06474821 Change dbgs() back to errs() for assert messages as Chris requested. 
llvm-svn: 92081
 2009-12-23 23:14:41 +00:00
David Greene
5980bb69ba Change dbgs() back to errs() for assert messages as Chris requested. 
llvm-svn: 92080
 2009-12-23 23:09:39 +00:00
Chris Lattner
0f8308d48a sizeof(char) is always 1. 
llvm-svn: 92079
 2009-12-23 23:03:24 +00:00
David Greene
b73d637eba Change dbgs() back to errs() for assert messages as Chris requested. 
llvm-svn: 92077
 2009-12-23 23:00:50 +00:00
David Greene
f227aac0f4 Change dbgs() back to errs() for assert messages as Chris requested. 
llvm-svn: 92076
 2009-12-23 22:59:29 +00:00
David Greene
1b160211dd Remove dump routine and the associated Debug.h from a header. Patch up 
other files to compensate.

llvm-svn: 92075
 2009-12-23 22:58:38 +00:00
David Greene
dafe3d88d6 Change dbgs() back to errs() as Chris requested. 
llvm-svn: 92073
 2009-12-23 22:49:57 +00:00
David Greene
02480b7d83 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92071
 2009-12-23 22:35:10 +00:00
David Greene
b348240e9c Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92068
 2009-12-23 22:28:01 +00:00
David Greene
62d4863b56 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92067
 2009-12-23 22:18:14 +00:00