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24271 Commits

Author SHA1 Message Date
Gordon Henriksen
e51c9eb75e Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library. 
llvm-svn: 54881
 2008-08-17 12:56:54 +00:00
Gordon Henriksen
4d2eb98d42 Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library. 
llvm-svn: 54880
 2008-08-17 12:08:44 +00:00
Argyrios Kyrtzidis
5c264cf5c7 Get raw_ostream.cpp to compile on MSVC. 
llvm-svn: 54879
 2008-08-17 09:25:21 +00:00
Evan Cheng
a3c27d36bc Revert 54821. It's miscompiling 252.eon and 447.dealII 
llvm-svn: 54878
 2008-08-17 08:07:31 +00:00
Nick Lewycky
d797456fb4 I found a better place for this optz'n. 
llvm-svn: 54877
 2008-08-17 07:54:14 +00:00
Nick Lewycky
205be593b8 Xor'ing both sides of icmp by sign-bit is equivalent to swapping signedness of 
the predicate.

Also, make this optz'n apply in more cases where it's safe to do so.

llvm-svn: 54876
 2008-08-17 07:34:14 +00:00
Chris Lattner
661710bbd1 avoid an extraneous std::string construction 
llvm-svn: 54875
 2008-08-17 07:24:08 +00:00
Chris Lattner
c0610874cc Rework the routines that convert AP[S]Int into a string. Now, instead of 
returning an std::string by value, it fills in a SmallString/SmallVector
passed in.  This significantly reduces string thrashing in some cases.

More specifically, this:
 - Adds an operator<< and a print method for APInt that allows you to 
   directly send them to an ostream.
 - Reimplements APInt::toString to be much simpler and more efficient
   algorithmically in addition to not thrashing strings quite as much.

This speeds up llvm-dis on kc++ by 7%, and may also slightly speed up the
asmprinter.  This also fixes a bug I introduced into the asmwriter in a
previous patch w.r.t. alias printing.

llvm-svn: 54873
 2008-08-17 07:19:36 +00:00
Chris Lattner
4e4a482a41 remove a dead APInt ctor. 
llvm-svn: 54869
 2008-08-17 04:58:58 +00:00
Chris Lattner
332a173cff avoid string thrashing when formatting names in output. This 
speeds up release-asserts llvm-dis on kc++ from 1.86s to 1.04s (~79%)

llvm-svn: 54868
 2008-08-17 04:40:13 +00:00
Chris Lattner
ba25bb349e random cleanups. 
llvm-svn: 54866
 2008-08-17 04:17:45 +00:00
Chris Lattner
dab4a64423 add support for a cout/cerr analog (outs()/errs()) as well as 
a simple adaptor class to give raw output capabilities to 
something that wants to write to an ostream.

llvm-svn: 54865
 2008-08-17 04:13:37 +00:00
Chris Lattner
c9c1d50446 opening "-" automatically yields stdout. 
llvm-svn: 54863
 2008-08-17 03:53:23 +00:00
Chris Lattner
eef022091c rename OutputData to 'write' to match ostream. 
llvm-svn: 54857
 2008-08-17 01:46:05 +00:00
Chris Lattner
312d8de59b add a new raw_ostream class which is an extremely high performance ostream that 
can *only* output data (no seeking, reading, etc).  This is adapted from the
clang "-E outputter", and is roughly 10% faster than stdio on darwin and 30%
(or more) faster than std::ostream.

llvm-svn: 54855
 2008-08-17 01:35:29 +00:00
Anton Korobeynikov
bd9823f5a4 PPC/Linux normally uses named section for bss 
llvm-svn: 54847
 2008-08-16 12:59:02 +00:00
Anton Korobeynikov
61af04fa0a Use proper strings section name for PPC 
llvm-svn: 54846
 2008-08-16 12:58:46 +00:00
Anton Korobeynikov
d475141eea Use correct name for TLS address resolution routine on x86-64 
llvm-svn: 54845
 2008-08-16 12:58:29 +00:00
Anton Korobeynikov
d51454bfa6 Add interface for section override. Use this for Sparc, since it should use named BSS section. 
llvm-svn: 54844
 2008-08-16 12:58:12 +00:00
Anton Korobeynikov
436f708112 Move SLEB/ULEB size calculation routines from AsmPrinter to TargetAsmInfo. This makes JIT asmprinter-free. 
llvm-svn: 54843
 2008-08-16 12:57:46 +00:00
Anton Korobeynikov
767865a3d1 Reduce heap trashing due to std::string construction / concatenation via caching of section flags string representations 
llvm-svn: 54842
 2008-08-16 12:57:07 +00:00
Owen Anderson
13498aa150 Remove GCSE, ValueNumbering, and LoadValueNumbering. These have been deprecated for almost a year; it's finally time for them to go away. 
llvm-svn: 54822
 2008-08-15 21:31:02 +00:00
Devang Patel
a8e9ee0529 Reapply 54786. Add overflow and number of mantissa bits checks. 
llvm-svn: 54821
 2008-08-15 21:21:34 +00:00
Owen Anderson
426c49472d Convert several std::vectors over to SmallVector, and use reserve() as appropriate for cases where std::vector is still used. 
llvm-svn: 54820
 2008-08-15 18:49:41 +00:00
Chris Lattner
f991487f21 Inline the fastpath of PATypeHolder::get(). This is a small speedup in 
instcombine among other things.

llvm-svn: 54814
 2008-08-15 15:16:50 +00:00
Evan Cheng
b2e1459e48 Revert 54786. It's not checking for overflows, etc. 
llvm-svn: 54813
 2008-08-15 08:12:11 +00:00
Chris Lattner
28a74aa6ca use smallvector instead of vector for a couple worklists. This speeds up instcombine 
by ~10% on some testcases.

llvm-svn: 54811
 2008-08-15 04:03:01 +00:00
Owen Anderson
d3c6cbed61 Use SmallSet instead of std::set to save allocations. 
llvm-svn: 54810
 2008-08-14 23:41:38 +00:00
Owen Anderson
fd1d9b5c38 Move MachineInstr::getOpcode inline. 
llvm-svn: 54807
 2008-08-14 23:25:30 +00:00
Dan Gohman
1a413c0387 Build the X86GenFastISel.inc file. 
llvm-svn: 54806
 2008-08-14 23:18:11 +00:00
Devang Patel
b5abdd4c33 The pass manager is not able to schedule -loop-deletion -loop-index-split. 
The loop-deletion pass does not preserve dom frontier, which is required by
loop-index-split. When the PM checks dom frontier for loop-index-split, it has
already verified that lcssa is availalble. However, new dom frontier forces new
loop pass manager, which does not  have lcssa yet.

The PM should recheck availability of required analysis passes in such cases.

llvm-svn: 54805
 2008-08-14 23:07:48 +00:00
Bill Wendling
bebfe7b7fc Temporarily revert r54792. It's causing an ICE during bootstrapping. 
llvm-svn: 54804
 2008-08-14 23:05:24 +00:00
Dan Gohman
7534da85c9 Also avoid pinsrw and pinsrb with a variable insertelement index. 
llvm-svn: 54803
 2008-08-14 22:53:18 +00:00
Owen Anderson
600a8ca0d5 Convert uses of std::vector in TargetInstrInfo to SmallVector. This change had to be propoagated down into all the targets and up into all clients of this API. 
llvm-svn: 54802
 2008-08-14 22:49:33 +00:00
Dan Gohman
c530d2983d Don't try to use the insertps instruction for vector 
element inserts with non-constant indices. This fixes
CodeGen/X86/vector-variable-idx.ll on machines that
have SSE4.1.

llvm-svn: 54801
 2008-08-14 22:43:26 +00:00
Dan Gohman
6b146d5ec3 Make FastISel's constructor protected, and give it a destructor. 
llvm-svn: 54793
 2008-08-14 21:51:29 +00:00
Devang Patel
8aa62f7dfa Use DenseMap. Patch by Pratik Solanki. 
llvm-svn: 54792
 2008-08-14 21:31:10 +00:00
Owen Anderson
af9e467544 Remove more uses of std::set. 
llvm-svn: 54787
 2008-08-14 21:01:00 +00:00
Devang Patel
67f9b08a91 If IV is used in a int-to-float cast inside the loop then try to eliminate the cast opeation. 
llvm-svn: 54786
 2008-08-14 20:58:31 +00:00
Owen Anderson
3c7772990a Have LeakDetector use a SmallPtrSet instead of an std::set. 
llvm-svn: 54785
 2008-08-14 20:40:10 +00:00
Dan Gohman
b0f5e18201 Improve support for vector casts in LLVM IR and CodeGen. 
llvm-svn: 54784
 2008-08-14 20:04:46 +00:00
Owen Anderson
169e5e5b99 Speed up addRegisterDead by adding more fast checks before performing the expensive 
subregister query, and by increasing the size of the subregister hashtable so
that there are fewer collisions.

llvm-svn: 54781
 2008-08-14 18:34:18 +00:00
Dan Gohman
027326ba3e Use empty() instead of begin() == end(). 
llvm-svn: 54780
 2008-08-14 18:13:49 +00:00
Matthijs Kooijman
3bbc2deb9c Replace two for loops with while(!X->use_empty()) loops. This prevents 
invalidating the iterator by deleting the current use. This fixes a segfault on
64 bit linux reported in PR2675.

Also remove an unneeded if.

llvm-svn: 54778
 2008-08-14 15:03:05 +00:00
Owen Anderson
34aee11210 Get rid of a use of std::map. 
llvm-svn: 54770
 2008-08-13 23:36:23 +00:00
Dan Gohman
db5b503d60 Fix a bogus srem rule - a negative value srem'd by a power-of-2 
can have a non-negative result; for example, -16%16 is 0. Also,
clarify the related comments. This fixes PR2670.

llvm-svn: 54767
 2008-08-13 23:12:35 +00:00
Owen Anderson
de29970fc6 Expunge the last uses of std::map from LiveIntervals. 
llvm-svn: 54766
 2008-08-13 22:28:50 +00:00
Owen Anderson
550fc15832 Move r2iMap_ over to DenseMap from std::map. 
llvm-svn: 54765
 2008-08-13 22:08:30 +00:00
Dan Gohman
096cdc6059 Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes with 
non-constant indices. Only a few of the peephole checks require
a constant index.

llvm-svn: 54764
 2008-08-13 21:51:37 +00:00
Owen Anderson
28f2e658f1 Make the allocation of LiveIntervals explicit, rather than holding them in the r2iMap_ by value. This will prevent references to them from being invalidated 
if the map is changed.

llvm-svn: 54763
 2008-08-13 21:49:13 +00:00