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Author SHA1 Message Date
Evan Cheng
fa73e0c64e Enable re-materialization of instructions which have virtual register operands if 
the definition of the operand also reaches its uses.

llvm-svn: 47475
 2008-02-22 09:24:50 +00:00
Chris Lattner
a64d4179d4 copy mmx values from/to memory with GPRs on x86-32 
instead of with mmx registers.  This horribleness is apparently
done by gcc to avoid having to insert emms in places that really 
should have it.  This is the second half of rdar://5741668.

llvm-svn: 47474
 2008-02-22 05:18:04 +00:00
Devang Patel
066973767f Print getresult instruction properly. 
llvm-svn: 47473
 2008-02-22 03:10:23 +00:00
Devang Patel
2754d59c53 Print ret instruction that returns aggregates. 
llvm-svn: 47472
 2008-02-22 02:50:49 +00:00
Devang Patel
8ae63af4b1 Read and write getresult. 
llvm-svn: 47471
 2008-02-22 02:49:49 +00:00
Chris Lattner
e70bc39d74 Start using GPR's to copy around mmx value instead of mmx regs. 
GCC apparently does this, and code depends on not having to do
emms when this happens.  This is x86-64 only so far, second half
should handle x86-32.

rdar://5741668

llvm-svn: 47470
 2008-02-22 02:09:43 +00:00
Chris Lattner
7d3c05df5b minor cleanups to LSBaseSDNode. 
llvm-svn: 47469
 2008-02-22 01:54:35 +00:00
Evan Cheng
e16e349623 Fix compiler warning. 
llvm-svn: 47468
 2008-02-22 01:48:00 +00:00
Dan Gohman
de80982418 Fix a regression in 403.gcc and 186.crafty introduced in 47383. To test 
that a value is >= 32, check that all of the high bits are zero, not
just one or more.

llvm-svn: 47467
 2008-02-22 01:12:31 +00:00
Devang Patel
c5dccfdd74 print getresult instruction. 
llvm-svn: 47461
 2008-02-21 23:02:20 +00:00
Devang Patel
298b5f1d6c Use isa<> instead of getTypeID() to check StructType. 
llvm-svn: 47460
 2008-02-21 22:24:17 +00:00
Eli Friedman
123fc4b97d A few minor updates, removing implemented stuff and adding a couple of 
new things.

llvm-svn: 47458
 2008-02-21 21:16:49 +00:00
Chris Lattner
b3c8d120dc Make the clobber analysis a bit more smart: we only are careful about 
early clobbers if the clobber list contains a *register* not some thing
like {memory}, {dirflag} etc.

llvm-svn: 47457
 2008-02-21 20:54:31 +00:00
Chris Lattner
4f87f1c087 Treat clobber operands like early clobbers: if we have 
any, we force sdisel to do all regalloc for an asm.  This
leads to gross but correct codegen.

This fixes the rest of PR2078.

llvm-svn: 47454
 2008-02-21 19:43:13 +00:00
Bill Wendling
27dcf967b0 Clear PhysRegPartUse for the sub register as well. 
llvm-svn: 47453
 2008-02-21 19:35:27 +00:00
Bill Wendling
82f9e2d468 Adjust the MaxAlignment for the special register scavenging spill slot. 
llvm-svn: 47452
 2008-02-21 19:33:53 +00:00
Evan Cheng
8072166220 Help testing. 
llvm-svn: 47448
 2008-02-21 19:20:21 +00:00
Dan Gohman
0220a930c7 Change a C-style cast to const_cast, to avoid a -Wcast-qual warning. 
llvm-svn: 47437
 2008-02-21 17:33:24 +00:00
Andrew Lenharth
b8f9871711 Better names as per Evan's request 
llvm-svn: 47435
 2008-02-21 16:11:38 +00:00
Nick Lewycky
3df036a7bf Simplify this code, no functionality change. 
llvm-svn: 47434
 2008-02-21 09:14:53 +00:00
Nick Lewycky
5f7dc506e1 GlobalValues are Constants, remove redundant code. Also fix typo in a comment. 
llvm-svn: 47433
 2008-02-21 08:34:02 +00:00
Tanya Lattner
8116db05a6 Remove llvm-upgrade and update tests. 
llvm-svn: 47432
 2008-02-21 07:42:26 +00:00
Chris Lattner
b25a98e364 Dan implemented one multiply issue. Replace it with another. :) 
llvm-svn: 47431
 2008-02-21 06:51:29 +00:00
Andrew Lenharth
db9cd46f5d Atomic op support. If any gcc test uses __sync builtins, it might start failing on archs that haven't implemented them yet 
llvm-svn: 47430
 2008-02-21 06:45:13 +00:00
Chris Lattner
702abbeb51 Add support for matching mem operands. This fixes PR1133, patch by 
Eli Friedman.  This implements CodeGen/Generic/2008-02-20-MatchingMem.ll.

llvm-svn: 47428
 2008-02-21 05:27:19 +00:00
Chris Lattner
2f3bffc338 testcase for PR1133 
llvm-svn: 47427
 2008-02-21 05:27:08 +00:00
Chris Lattner
99b5a37d39 Fix a (harmless) but where vregs were added to the used reg lists for 
inline asms.

Fix PR2078 by marking aliases of registers used when a register is 
marked used.  This prevents EAX from being allocated when AX is listed
in the clobber set for the asm.

llvm-svn: 47426
 2008-02-21 04:55:52 +00:00
Devang Patel
e60ebc7744 Let invoke return aggregate value. 
llvm-svn: 47425
 2008-02-21 02:14:01 +00:00
Devang Patel
702c4a60a6 Let function call return aggregate. 
Now, we have very first multiple return value testcase!

llvm-svn: 47424
 2008-02-21 01:54:02 +00:00
Devang Patel
c82bc3a9a1 Add -disable-output option. 
llvm-svn: 47422
 2008-02-21 01:41:25 +00:00
Evan Cheng
f58113f597 Clean up some spilling code using MachineRegisterInfo. 
llvm-svn: 47416
 2008-02-21 00:34:19 +00:00
Devang Patel
5c037ae5d5 XFAIL for now. 
llvm-svn: 47411
 2008-02-20 23:10:42 +00:00
Devang Patel
6436033c71 Now functions can return aggregate values. 
llvm-svn: 47409
 2008-02-20 22:51:28 +00:00
Devang Patel
302f762255 regenerate. 
llvm-svn: 47408
 2008-02-20 22:40:23 +00:00
Devang Patel
77c614dc4a Parse 
ret i32 1, i8 2
another step towards multiple return value support.

llvm-svn: 47407
 2008-02-20 22:39:45 +00:00
Devang Patel
d2142aeb44 What if functions can return aggregate values ? 
One small step towards multiple return value support.

llvm-svn: 47406
 2008-02-20 22:36:03 +00:00
Dale Johannesen
7c2d87a9fc Regenerated files. 
llvm-svn: 47402
 2008-02-20 21:15:43 +00:00
Dale Johannesen
9b42dda1fd Support alignment within ParamAttrs in the I/O handling. 
llvm-svn: 47401
 2008-02-20 21:15:19 +00:00
Evan Cheng
f3a7cd1c62 Poorly named option. 
llvm-svn: 47400
 2008-02-20 20:57:32 +00:00
Bill Wendling
aaf11abe28 Remove one of the fixmes that I put in there. From Evan: 
No need to go up more levels. A def of a register also sets its sub-registers
(so if PhysRegInfo[SuperReg] is NULL, it means SuperReg's super registers are
not previously defined).

llvm-svn: 47399
 2008-02-20 20:56:45 +00:00
Anton Korobeynikov
9f8c4b85cf Add convenient helper to get suffix of the file 
llvm-svn: 47397
 2008-02-20 19:41:22 +00:00
Devang Patel
4034343b67 getresult does not support nested aggregates. 
llvm-svn: 47396
 2008-02-20 19:39:41 +00:00
Bill Wendling
df5f19c449 Improve some comments explaining the "handle kills" stuff better. 
llvm-svn: 47395
 2008-02-20 19:35:34 +00:00
Devang Patel
f114189912 Verifier should use Assert1 instead of assert. 
llvm-svn: 47394
 2008-02-20 19:32:20 +00:00
Dan Gohman
62071ec646 Remove inline keywords from in-class function definitions, for 
consistency.

llvm-svn: 47393
 2008-02-20 19:29:58 +00:00
Devang Patel
de35f122f2 getresult type is the type of indexed aggregate element 
llvm-svn: 47392
 2008-02-20 19:26:55 +00:00
Devang Patel
9f3c2e3d61 Regenerate. 
llvm-svn: 47391
 2008-02-20 19:13:10 +00:00
Devang Patel
6266d7147e Specify GetResultInst index as an unsigned. 
llvm-svn: 47390
 2008-02-20 19:10:47 +00:00
Bill Wendling
753db180da Fix comment. 
llvm-svn: 47389
 2008-02-20 19:09:14 +00:00
Devang Patel
8a80334c8a assert is more effective reminder then FIXME tag for unimplemented features. 
llvm-svn: 47388
 2008-02-20 18:37:40 +00:00