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Author SHA1 Message Date
Bill Wendling
ab7c8c091e Add support for the __sync_sub_and_fetch atomics and friends for X86. The code 
was already present, but not hooked up to anything.

llvm-svn: 55018
 2008-08-19 23:09:18 +00:00
Dan Gohman
d5c84e8061 Fast-isel is now *minimally* functional. Add a testcase to 
demonstrate the extent of its capabilities. Note that it
only attempts to operate on one of the blocks in this
testcase.

llvm-svn: 55016
 2008-08-19 22:37:59 +00:00
Dan Gohman
1b18b91296 Add code to call FastISel, and a command-line option to enable it. 
llvm-svn: 55015
 2008-08-19 22:33:34 +00:00
Dan Gohman
25efe2087b Support unconditional fall-through branches in FastISel. 
llvm-svn: 55014
 2008-08-19 22:31:46 +00:00
Owen Anderson
5325218d4b Allow the fast-path spilling code to attempt folding, but still leaving out remat and splitting. 
llvm-svn: 55012
 2008-08-19 22:12:11 +00:00
Dan Gohman
b1ba73eeed Instantiate FastISel for X86. 
llvm-svn: 55011
 2008-08-19 21:45:35 +00:00
Dan Gohman
36e732b8fc The X86 target will soon have an implementation of createFastISel. 
llvm-svn: 55010
 2008-08-19 21:32:53 +00:00
Dan Gohman
08c860eb56 Add a TargetLowering hook for creating a FastISel object. 
llvm-svn: 55009
 2008-08-19 21:26:29 +00:00
Dan Gohman
ebba5dd8be For now, restrict FastISel to instructions that only involve one 
register class.

llvm-svn: 55008
 2008-08-19 20:58:14 +00:00
Dan Gohman
69eb9fb38e Factor out the code to scan an instruction's operands into a 
helper function.

llvm-svn: 55007
 2008-08-19 20:56:30 +00:00
Dan Gohman
7a23fc0fb0 Use the BuildMI overload that sets up a destination register 
instead of the one that doesn't and then adding it manually.

llvm-svn: 55006
 2008-08-19 20:46:54 +00:00
Dan Gohman
564f3c6773 Handle the case where target-specific fastisel code doesn't have 
a desired opcode.

llvm-svn: 55005
 2008-08-19 20:43:22 +00:00
Dan Gohman
85448ceb8d Add more comments. 
llvm-svn: 55004
 2008-08-19 20:36:33 +00:00
Dan Gohman
b60099089a Fix indentation in FastISel tablegen-emitted code. 
llvm-svn: 55003
 2008-08-19 20:31:38 +00:00
Dan Gohman
a8dfd17e4e Add more checking to filter out more kinds of things that 
FastISel doesn't support yet.

llvm-svn: 55002
 2008-08-19 20:30:54 +00:00
Chris Lattner
48d4303630 remove reference to really really old tree 
llvm-svn: 55001
 2008-08-19 20:17:48 +00:00
Owen Anderson
b110ebd37d The fast-path still needs to set kill markers and spill/restore points as appropriate. 
With this patch, all of MultiSource/Applications and all of SPEC2000/2006 pass with
the SimpleSpiller and this fast-path enabled.

llvm-svn: 55000
 2008-08-19 20:09:52 +00:00
Dale Johannesen
15b76de064 Add support for 8 and 16 bit forms of __sync 
builtins on X86.

Change "lock" instructions to be on a separate line.
This is needed to work around a bug in the Darwin
assembler.

llvm-svn: 54999
 2008-08-19 18:47:28 +00:00
Dan Gohman
1701d4ef7e 80 columns. 
llvm-svn: 54998
 2008-08-19 18:07:49 +00:00
Dan Gohman
3a57ef9668 Add a few doxygen comments. 
llvm-svn: 54997
 2008-08-19 18:06:12 +00:00
Dan Gohman
fbc4410ada Remove an unneeded #include. 
llvm-svn: 54996
 2008-08-19 17:53:16 +00:00
Gordon Henriksen
b7b9342e24 Delete a dead field. 
llvm-svn: 54995
 2008-08-19 17:09:26 +00:00
Gordon Henriksen
c4e022d917 [PR2327] Leverage TargetRegisterInfo to compute frame offsets for GC metadata. 
llvm-svn: 54994
 2008-08-19 17:06:35 +00:00
Nicolas Geoffray
2f08e00f01 Update the JIT exception writer to better mimic the codegen exception writer. 
Also skip indirect encoding for platforms that ask for one: we direclty
write an address, not a pointer to the address.

llvm-svn: 54987
 2008-08-19 14:48:14 +00:00
Chris Lattner
31ad910029 add a note 
llvm-svn: 54985
 2008-08-19 06:22:16 +00:00
Chris Lattner
2b6a31501e more cleanups, random methods shouldn't return ostreams. 
llvm-svn: 54984
 2008-08-19 05:26:17 +00:00
Chris Lattner
8cc806c9be more cleanup, eliminate getLLVMName when printing out 
type names at the top of the file.

llvm-svn: 54983
 2008-08-19 05:16:28 +00:00
Chris Lattner
b665916d8d random cleanups, factor some printing code for linkage and visibility 
llvm-svn: 54982
 2008-08-19 05:06:27 +00:00
Chris Lattner
6df4ed8bfd Change WriteTypeSymbolic/WriteAsOperand to return void instead of 
an ostream, which is just weird.

Rename SC_DEBUG -> ST_DEBUG

Remove static indentation strangeness from WriteConstantInt.  This makes it 
so that large structs are not broken down and printed on multiple lines.  If
there is demand for this to return, there are better ways to implement this.

llvm-svn: 54981
 2008-08-19 04:47:09 +00:00
Chris Lattner
b4cfc1a85e whitespace cleanup 
llvm-svn: 54980
 2008-08-19 04:45:47 +00:00
Chris Lattner
b5e0d71a07 don't use the result of WriteAsOperand 
llvm-svn: 54979
 2008-08-19 04:45:19 +00:00
Chris Lattner
9f588f11f4 don't use the result of WriteTypeSymbolic or WriteAsOperand. 
llvm-svn: 54978
 2008-08-19 04:44:30 +00:00
Chris Lattner
7009680216 Don't use the result of WriteAsOperand or WriteTypeSymbolic. 
llvm-svn: 54977
 2008-08-19 04:42:37 +00:00
Chris Lattner
50a2b09df9 rearrange code and make more legible. 
llvm-svn: 54976
 2008-08-19 04:36:02 +00:00
Chris Lattner
de5c9e9be5 put SlotTracker in an anon namespace since it is private. 
llvm-svn: 54975
 2008-08-19 04:28:07 +00:00
Chris Lattner
c6e031668d Reid had to call this class "slot machine" out of some strange reference 
to the gambling device.  Name it something more meaningful.

llvm-svn: 54974
 2008-08-19 04:26:57 +00:00
Chris Lattner
f155e446fd add raw_ostream method for emitting an unsigned. 
llvm-svn: 54972
 2008-08-19 04:23:02 +00:00
Devang Patel
84b8e5630e Compress manpages. 
llvm-svn: 54971
 2008-08-19 01:17:41 +00:00
Owen Anderson
c68a43890f Make SimpleSpiller respect subregister indices. 
llvm-svn: 54968
 2008-08-19 01:05:33 +00:00
Chris Lattner
61e771be29 add a note 
llvm-svn: 54964
 2008-08-19 00:41:02 +00:00
Owen Anderson
94b85d88da Add a flag to enable the fast spilling path. 
llvm-svn: 54958
 2008-08-19 00:17:30 +00:00
Dan Gohman
6fb94e9d02 Fix the FastISel class' doxygen comment. 
llvm-svn: 54957
 2008-08-18 23:41:46 +00:00
Owen Anderson
f7f555763d Fix a few more bugs: 
1) Assign stack slots to new temporaries.
  2) Don't insert an interval into the return vector more than once.

llvm-svn: 54956
 2008-08-18 23:41:04 +00:00
Chris Lattner
843bb4018c remove empty file 
llvm-svn: 54950
 2008-08-18 21:27:19 +00:00
Owen Anderson
0c22b6d22c Fix several bugs in the new fast-path: 
1) Remove an incorrect assertion.
  2) Set the stack slot weight properly.
  3) Resize the VirtRegMap when needed.

llvm-svn: 54949
 2008-08-18 21:20:32 +00:00
Anton Korobeynikov
2b4db92a29 Unbreak cpp backend: upgrade output due to change in APInt API 
llvm-svn: 54942
 2008-08-18 20:03:45 +00:00
Owen Anderson
c25fc6fc35 Clients of addIntervalForSpills expect the added intervals to be returned sorted by starting index. 
llvm-svn: 54939
 2008-08-18 19:52:22 +00:00
Chris Lattner
467a8dc22e Fix a bug daniel pointed out to me, where asmprinter started 
printing ascii code for hex numbers instead of the hex numbers 
themselves.

llvm-svn: 54936
 2008-08-18 19:41:26 +00:00
Owen Anderson
751ff13625 Simplify the fast-patch interval spilling by using MachineRegisterInfo::reg_iterator. 
llvm-svn: 54930
 2008-08-18 18:38:12 +00:00
Bill Wendling
98fb8113e8 XFAIL this test for now. 
llvm-svn: 54929
 2008-08-18 18:29:54 +00:00