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Author SHA1 Message Date
Chris Lattner
eef022091c rename OutputData to 'write' to match ostream. 
llvm-svn: 54857
 2008-08-17 01:46:05 +00:00
Chris Lattner
fd2dd46dcd remove accidental comment. 
llvm-svn: 54856
 2008-08-17 01:35:54 +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
42c1d6c7b9 Remove GCSE and LoadVN from the testsuite. 
llvm-svn: 54832
 2008-08-16 00:00:54 +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
Owen Anderson
b307df554d Add a value_type typedef to SmallVector, to make it more compatible with STL adapters. 
llvm-svn: 54819
 2008-08-15 18:45:51 +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
Bill Wendling
e49fbb12fe Renaming LLVMC/dg.exp to LLVM/llvmc.exp 
llvm-svn: 54809
 2008-08-14 23:37:58 +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
Ted Kremenek
7bc723b79f Removed redundant ctor. 
llvm-svn: 54789
 2008-08-14 21:17:07 +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
Owen Anderson
612fc9babc Switch this from std::map to DenseMap. 
llvm-svn: 54761
 2008-08-13 21:24:24 +00:00
Dan Gohman
374d9328b7 Fix SCCP's handling of struct value loads and stores. SCCP doesn't 
track individual leaf values in such cases, so it needs to treat
struct values as normal values in this case.

llvm-svn: 54760
 2008-08-13 21:22:48 +00:00
Daniel Dunbar
e249d30421 Add default constructor to APSInt 
- Creates uninitialized APInt. 
 - Prevents need for embedding arbitrary constants when used as an out
   parameter, for example.

llvm-svn: 54757
 2008-08-13 20:53:17 +00:00
Daniel Dunbar
4e592412d4 Update makellvm to return correct result code. 
llvm-svn: 54756
 2008-08-13 20:43:56 +00:00
Devang Patel
bb9cb77326 Rename. s/FindIVForUser/FindIVUserForCond/g 
llvm-svn: 54754
 2008-08-13 20:31:11 +00:00
Duncan Sands
26e54f3570 Teach constant folding that an inttoptr of a 
ptrtoint can be turned into a bitcast if the
integer is at least as wide as a pointer.

llvm-svn: 54752
 2008-08-13 20:20:35 +00:00
Dan Gohman
4b1b033f89 Initial checkin of the new "fast" instruction selection support. See 
the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.

llvm-svn: 54751
 2008-08-13 20:19:35 +00:00
Dan Gohman
502d2aebff Oops, check in these files too, for the FastISel -> Fast rename. 
llvm-svn: 54750
 2008-08-13 19:55:00 +00:00