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Author SHA1 Message Date
Chris Lattner
9ed8c8eec9 refactor all the constantexpr/instruction handling code out into a 
new FindMaximalLegalAddressingModeForOperation helper method.

llvm-svn: 60011
 2008-11-25 05:15:49 +00:00
Chris Lattner
587e7c0202 another minor tweak 
llvm-svn: 60010
 2008-11-25 04:47:41 +00:00
Chris Lattner
85da435a15 minor cleanups no functionality change. 
llvm-svn: 60009
 2008-11-25 04:42:10 +00:00
Oscar Fuentes
c87fe528d8 CMake: Documented two cmake variables. 
llvm-svn: 60008
 2008-11-25 04:23:36 +00:00
Scott Michel
cf956c87a7 CellSPU: Relax constraints on when to generate a X-form address, evidently 
they were too tight according to bug 3126.

Fix bug 3126.

llvm-svn: 60006
 2008-11-25 04:03:47 +00:00
Scott Michel
bb575152bc CellSPU: test should use shlqby, not shlqbyi 
llvm-svn: 60001
 2008-11-25 01:30:37 +00:00
Bill Wendling
c9f3eec3f9 XFAIL this test. A recent CellSPU check-in broke it. 
llvm-svn: 60000
 2008-11-25 00:56:34 +00:00
Dan Gohman
92cedc8a95 Initial support for anti-dependence breaking. Currently this code does not 
introduce any new spilling; it just uses unused registers.

Refactor the SUnit topological sort code out of the RRList scheduler and
make use of it to help with the post-pass scheduler.

llvm-svn: 59999
 2008-11-25 00:52:40 +00:00
Scott Michel
a37c52f255 CellSPU: Fix mnemonic typo in pattern; "shlqbyi" -> "shlqby". 
llvm-svn: 59998
 2008-11-25 00:23:16 +00:00
Bill Wendling
cb92038dbd Testcase for constant CFStrings. 
llvm-svn: 59992
 2008-11-24 23:28:09 +00:00
Chris Lattner
2f8129238b rearrange and tidy some code, no functionality change. 
llvm-svn: 59990
 2008-11-24 22:44:16 +00:00
Chris Lattner
9b5c9d8b0b minor cleanups to debug code, no functionality change. 
llvm-svn: 59989
 2008-11-24 22:40:05 +00:00
Chris Lattner
a07ad05059 reenable test 
llvm-svn: 59986
 2008-11-24 21:27:20 +00:00
Chris Lattner
9f34dba0e4 reenable the right part of the code. 
llvm-svn: 59985
 2008-11-24 21:26:21 +00:00
Bill Wendling
36ee715e71 Temporarily XFAIL this test. r59976 and r59972 broke it. 
llvm-svn: 59981
 2008-11-24 20:43:33 +00:00
Dan Gohman
07c5a496e4 Move the scheduler constructor functions to SchedulerRegistry.h, to 
simplify header dependencies for front-ends that just want to choose
a scheduler and don't need all the scheduling machinery declarations.

llvm-svn: 59978
 2008-11-24 19:53:21 +00:00
Dan Gohman
f084381b98 Fix an unused-parameter warning. 
llvm-svn: 59977
 2008-11-24 19:51:59 +00:00
Chris Lattner
561b0adda9 revert an accidental commit, this fixes the regression on test/CodeGen/X86/isel-sink.ll 
llvm-svn: 59976
 2008-11-24 19:40:34 +00:00
Chris Lattner
e5bf93e61f Fix 3113: If we have a dead cyclic PHI, replace the whole thing 
with an undef.

llvm-svn: 59972
 2008-11-24 19:25:36 +00:00
Bill Wendling
0560ba7668 - Make lowering of "add with overflow" customizable by back-ends. 
- Mark "add with overflow" as having a custom lowering for X86. Give it a null
  lowering representation for now.

llvm-svn: 59971
 2008-11-24 19:21:46 +00:00
Scott Michel
259a64c097 CellSPU: 
(a) Slight rethink on i64 zero/sign/any extend code - use a shuffle to
    directly zero-extend i32 to i64, but use rotates and shifts for
    sign extension. Also ensure unified register consistency.
(b) Add new test harness for i64 operations: i64ops.ll

llvm-svn: 59970
 2008-11-24 18:20:46 +00:00
Dan Gohman
bacca559dd Check in the rest of this change. The isAntiDep flag needs to be passed 
to removePred because an SUnit can both data-depend and anti-depend
on the same SUnit.

llvm-svn: 59969
 2008-11-24 17:33:52 +00:00
Dan Gohman
6dcf3a7c22 Pass the isAntiDep argument. 
llvm-svn: 59968
 2008-11-24 17:24:27 +00:00
Dan Gohman
dcc6608aa6 Run post-RA scheduling after branch folding, as it tends to 
obscure tail-merging opportunities.

llvm-svn: 59967
 2008-11-24 17:22:52 +00:00
Dan Gohman
83971772a6 Fix a few HTML tidiness issues. 
llvm-svn: 59966
 2008-11-24 17:18:39 +00:00
Scott Michel
c3965308a4 CellSPU: 
(a) Improve the extract element code: there's no need to do gymnastics with
    rotates into the preferred slot if a shuffle will do the same thing.
(b) Rename a couple of SPUISD pseudo-instructions for readability and better
    semantic correspondence.
(c) Fix i64 sign/any/zero extension lowering.

llvm-svn: 59965
 2008-11-24 17:11:17 +00:00
Dan Gohman
66dc0a5cbe Delete some spurious characters. 
llvm-svn: 59964
 2008-11-24 16:45:15 +00:00
Dan Gohman
386810ca94 Fix some "</p>"s. 
llvm-svn: 59963
 2008-11-24 16:35:31 +00:00
Dan Gohman
d7f821e645 Some documentation for LegalizeTypes. 
llvm-svn: 59962
 2008-11-24 16:27:17 +00:00
Matthijs Kooijman
b316bd9e62 Minor fix debug for register allocation debug output. 
llvm-svn: 59961
 2008-11-24 16:01:21 +00:00
Duncan Sands
9816d42357 If the type legalizer actually legalized anything 
(this doesn't happen that often, since most code
does not use illegal types) then follow it by a
DAG combiner run that is allowed to generate
illegal operations but not illegal types.  I didn't
modify the target combiner code to distinguish like
this between illegal operations and illegal types,
so it will not produce illegal operations as well
as not producing illegal types.

llvm-svn: 59960
 2008-11-24 14:53:14 +00:00
Matthijs Kooijman
73be220b45 Fix comments. 
llvm-svn: 59958
 2008-11-24 11:44:00 +00:00
Torok Edwin
c120302836 NULL, unique pointers from malloc(0), and freed pointers are legal values for 
noalias attribute parameters/return values.

llvm-svn: 59955
 2008-11-24 08:02:24 +00:00
Evan Cheng
a19ef59d6c Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files. 
llvm-svn: 59953
 2008-11-24 07:34:46 +00:00
Evan Cheng
c6797a1379 Eliminate some unused variable compile time warnings. 
llvm-svn: 59952
 2008-11-24 07:09:49 +00:00
Bill Wendling
855ac77084 Test add-with-overflow with fast ISel. 
llvm-svn: 59945
 2008-11-24 05:23:38 +00:00
Nick Lewycky
b8b082166a Seriously strengthen the guarantee offered by noalias on a function's return 
value. It must now be as if the pointer were allocated and has not escaped to
the caller. Thanks to Dan Gohman for pointing out the error in the original
and helping devise this definition.

llvm-svn: 59940
 2008-11-24 05:00:44 +00:00
Nick Lewycky
47fa9bd187 Extend the 'noalias' attribute to function return values. This is intended to 
indicate functions that allocate, such as operator new, or list::insert. The
actual definition is slightly less strict (for now).

No changes to the bitcode reader/writer, asm printer or verifier were needed.

llvm-svn: 59934
 2008-11-24 03:41:24 +00:00
Mon P Wang
c9ba9d066e Added missing description for -disable-mmx option. 
llvm-svn: 59929
 2008-11-24 02:10:43 +00:00
Bill Wendling
4bb8a7a498 Add support for llvm.uadd.with.overflow. 
llvm-svn: 59926
 2008-11-24 01:38:29 +00:00
Scott Michel
d8a57b624e Roll back rev 59890, since Chris says this can never happen. 
llvm-svn: 59914
 2008-11-23 19:22:48 +00:00
Duncan Sands
f9ea1124c9 Rename SetCCResultContents to BooleanContents. In 
practice these booleans are mostly produced by SetCC,
however the concept is more general.

llvm-svn: 59911
 2008-11-23 15:47:28 +00:00
Chris Lattner
5c70ae0588 Make JIT::runFunction handle functions with non-C calling conventions. 
llvm-svn: 59904
 2008-11-23 08:00:11 +00:00
Mon P Wang
0f887d148c Added -disable-mmx using a patch from Preston Gurd. 
llvm-svn: 59901
 2008-11-23 04:37:22 +00:00
Mon P Wang
e1c40f4258 Added check to avoid generating extract subvector beyond the end of the vector when normalizing vector shuffles. 
llvm-svn: 59900
 2008-11-23 04:35:05 +00:00
Misha Brukman
2fc3f5daa5 Fixed named anchor for llvm.stackprotector intrinsic. 
llvm-svn: 59893
 2008-11-22 23:55:29 +00:00
Scott Michel
50e49b28f0 CellSPU: Fix bug 3056. Varadic extract_element was not implemented (nor was it 
ever conceived to occur).

llvm-svn: 59891
 2008-11-22 23:50:42 +00:00
Scott Michel
0da772db1c Check for NULL before traversing the isa<> type hierarchy checking with a 
NULL-based reference.

Note: Encountered this a few times on Tiger + gcc 4.0.1. Might just be a
platform-specific compiler issue, but it's good defensive programming in any
case.

llvm-svn: 59890
 2008-11-22 23:49:26 +00:00
Chris Lattner
b5712a8ba9 Describe how the JIT maps fields to MachineOperands, patch by 
JP Bonn!

llvm-svn: 59876
 2008-11-22 19:10:48 +00:00
Anton Korobeynikov
ba74a11c9b Make a convenient helper for printing offsets. 
llvm-svn: 59872
 2008-11-22 16:15:34 +00:00