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Author SHA1 Message Date
Evan Cheng
e9aa507edc Fixed a coalescer bug caused by a typo. 
llvm-svn: 48526
 2008-03-19 02:26:36 +00:00
Gordon Henriksen
15006d5da0 C and Objective Caml bindings for the various getParent methods of the IR. 
Based on Erick Tryzelaar's patch.

llvm-svn: 48523
 2008-03-19 01:11:35 +00:00
Evan Cheng
3d9309c11d Fix live variables issues: 
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue.
2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register:
   = EAX, AX<imp-use,kill>
...
AX =
In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things.

llvm-svn: 48521
 2008-03-19 00:52:20 +00:00
Devang Patel
38f181fa8c Do not use virtual function to identify an analysis pass. 
llvm-svn: 48520
 2008-03-19 00:48:41 +00:00
Bill Wendling
7ae70d6441 On Darwin, GCC issues a ".globl" for something that has a "visibility protected" 
attribute instead of ".protected".

llvm-svn: 48516
 2008-03-18 23:38:12 +00:00
Evan Cheng
5ac87b837e Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs function implicitly reads X86::AL, don't clobber it! 
llvm-svn: 48515
 2008-03-18 23:36:35 +00:00
Scott Michel
f20fbe8a93 Note that gcc 4.0.1 will trip internal LLVM asserts (e.g., pred_iterator) if compiling 
for Release with optimization levels greater than -O0.

llvm-svn: 48513
 2008-03-18 23:13:26 +00:00
Bill Wendling
c8f3fc7c3d It might be nice to have this run as x86 on non-x86 platforms... 
llvm-svn: 48511
 2008-03-18 22:38:22 +00:00
Bill Wendling
5ea2aec3ac Temporarily revert r48491. It's breaking test/CodeGen/X86/xorl.ll. 
llvm-svn: 48510
 2008-03-18 22:29:51 +00:00
Daniel Berlin
0f20fa71ba Fix PR 2160 by making sure arguments to external functions get marked as pointing to anything 
llvm-svn: 48509
 2008-03-18 22:22:53 +00:00
Tanya Lattner
240dd2a657 Do not pass -g flag when compiling tests, so remove the C.Flags. This only happens if you have a debug build of llvm. 
llvm-svn: 48498
 2008-03-18 19:59:04 +00:00
Dale Johannesen
7f51ebc90c Make conversions of i8/i16 to ppcf128 work. 
llvm-svn: 48493
 2008-03-18 17:28:38 +00:00
Scott Michel
889ee011f7 Dial down gcc's warnings: don't use 0UL when 0U suffices (and when the 
variables and methods themselves only use unsigned.)

llvm-svn: 48492
 2008-03-18 16:55:06 +00:00
Christopher Lamb
1d70509b55 Target independent DAG transform to use truncate for field extraction + sign extend on targets where this is profitable. Passes nightly on x86-64. 
llvm-svn: 48491
 2008-03-18 16:46:39 +00:00
Evan Cheng
5750c3cd1e Rewrite code that propagate isDead information after a dead copy is coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs. 
llvm-svn: 48490
 2008-03-18 08:26:47 +00:00
Tanya Lattner
9bd47b05dd Upgrade tests to not use llvm-upgrade. 
llvm-svn: 48484
 2008-03-18 04:14:37 +00:00
Tanya Lattner
60b7b29981 Upgrade tests to not use llvm-upgrade. 
llvm-svn: 48483
 2008-03-18 03:45:45 +00:00
Dale Johannesen
4d0221c45b Get rid of compilation warnings. Per Devang. 
llvm-svn: 48478
 2008-03-18 01:52:17 +00:00
Devang Patel
811ca3ddba Identify Analysis pass. 
Do not run analysis pass again if analysis info is still available.
This fixes PR1441.

llvm-svn: 48476
 2008-03-18 00:39:19 +00:00
Devang Patel
7efcb7de6b Update heuritics that estimates cost of call instructions. 
llvm-svn: 48474
 2008-03-17 23:41:20 +00:00
Dale Johannesen
861708b8bb Make Complex long long/double/long double work 
in ppc64 mode.

llvm-svn: 48459
 2008-03-17 17:11:08 +00:00
Duncan Sands
c7c1fab458 Clarify the unwind attribute. Add assumption 
about sret made by the optimizers.

llvm-svn: 48452
 2008-03-17 12:17:41 +00:00
Bill Wendling
b1456f259d Fix for "make install" of ocaml docs. Patch by Erick Tryzelaar! 
llvm-svn: 48451
 2008-03-17 07:49:23 +00:00
Nate Begeman
d782b76546 Add support for escaping {} in asm strings, based on patch from Nick Burns. 
llvm-svn: 48450
 2008-03-17 07:26:14 +00:00
Chris Lattner
c0ac2481af Check in some #ifdef'd out code switching call argument 
lowering over to SparcCallingConv.td.  We can't make the switch
yet because we can't say to pass f64 registers in 2 x i32 registers
with the td file yet.

llvm-svn: 48449
 2008-03-17 06:58:37 +00:00
Chris Lattner
98f1bf9d41 minor cleanups 
llvm-svn: 48448
 2008-03-17 06:57:02 +00:00
Evan Cheng
07643ce604 Unbreak JIT. Ignore TargetInstrInfo::IMPLICIT_DEF. 
llvm-svn: 48447
 2008-03-17 06:56:52 +00:00
Owen Anderson
5da16e856c A first attempt at updating live intervals, with code lifted from 
the coalescer.  This doesn't really work, but gets us farther than
before.

llvm-svn: 48446
 2008-03-17 06:08:26 +00:00
Chris Lattner
40ba51c972 remove dead code 
llvm-svn: 48445
 2008-03-17 06:04:10 +00:00
Chris Lattner
fa003f7a57 Switch sparc from using LowerCallTo to using LowerOperation(CALL) like 
other targets.  Use autogenerated calling conv to lower result of
calls.

llvm-svn: 48444
 2008-03-17 06:01:07 +00:00
Chris Lattner
3098125c84 Start moving sparc to use SparcCallingConv.td, switching over 
return lowering first.  This fixes a bug where the top and bottom
of i64 values were returned in the wrong registers before.

llvm-svn: 48443
 2008-03-17 05:41:48 +00:00
Chris Lattner
5cb886d4d6 split sparc lowering out into SparcISelLowering.{cpp|h} to follow 
best practices.

llvm-svn: 48442
 2008-03-17 03:21:36 +00:00
Chris Lattner
5aef54c950 refactor the LowerOperation code out to individual functions for 
each lowering, which is 'best practice'.

llvm-svn: 48441
 2008-03-17 02:52:07 +00:00
Dale Johannesen
ee1e5be870 Next round of PPC32 ABI changes. Allow for gcc 
behavior where a callee thinks a param will be
present in memory, even though the ABI doc says
it doesn't have to be.  Handle complex long long
and complex double (4 and 8 return regs).

llvm-svn: 48439
 2008-03-17 02:13:43 +00:00
Chris Lattner
dc9bf8fda9 various rotate fun. 
llvm-svn: 48438
 2008-03-17 01:47:51 +00:00
Chris Lattner
bb335409c2 ensure we continue matching x86-64 rotates. 
llvm-svn: 48437
 2008-03-17 01:35:03 +00:00
Nate Begeman
f50ef51ded __builtin_ia32_movntdqa reads memory 
llvm-svn: 48431
 2008-03-16 21:15:47 +00:00
Nate Begeman
f9691b8236 Add a couple missing SSE4 instructions 
llvm-svn: 48430
 2008-03-16 21:14:46 +00:00
Gordon Henriksen
04a60ddcd2 C and Objective Caml bindings for the TargetData class. 
llvm-svn: 48422
 2008-03-16 20:08:03 +00:00
Bill Wendling
301783caf7 Add assert for non-hexadecimal radixes. 
llvm-svn: 48421
 2008-03-16 20:05:52 +00:00
Gordon Henriksen
4cfc6c1ded Housekeeping. 
llvm-svn: 48420
 2008-03-16 16:33:35 +00:00
Gordon Henriksen
8c33afc50c C and Objective Caml bindings for several scalar transforms. 
Patch originally by Erick Tryzelaar, but has been modified somewhat.

llvm-svn: 48419
 2008-03-16 16:32:40 +00:00
Gordon Henriksen
b7259e6e65 Remove unnecessary includes. 
llvm-svn: 48418
 2008-03-16 15:55:43 +00:00
Nick Lewycky
489493948a All of these tests had out of date syntax and were never even running through 
llvm-upgrade because nobody noticed them failing.

Update to use new syntax and actually check for the right failure by looking at
the error message.

llvm-svn: 48417
 2008-03-16 07:55:46 +00:00
Nick Lewycky
30cabbc12b Functions are allowed to return structures. (Note that this test never failed.) 
llvm-svn: 48416
 2008-03-16 07:49:49 +00:00
Nick Lewycky
d2914b7905 Regressions/ is long gone. 
llvm-svn: 48415
 2008-03-16 07:31:23 +00:00
Nick Lewycky
ee790026a3 Commit works on regular functions too. Fix the syntax to allow @foo. 
llvm-svn: 48414
 2008-03-16 07:18:12 +00:00
Gordon Henriksen
caeafc4911 C and Objective Caml bindings for PassManagers. 
llvm-svn: 48413
 2008-03-16 04:20:44 +00:00
Christopher Lamb
b4f4b41048 Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register. 
llvm-svn: 48412
 2008-03-16 03:12:01 +00:00
Gordon Henriksen
51d9464f58 Minor documentation fix. 
Patch by Erick Tryzelaar.

llvm-svn: 48382
 2008-03-15 00:26:23 +00:00