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184 Commits

Author SHA1 Message Date
Chris Lattner
a5368fd283 add no-unwind, remove duplicate run line. 
llvm-svn: 66775
 2009-03-12 05:56:37 +00:00
Evan Cheng
3c9a084a1b ARM isLegalAddressImmediate should check if type is a simple type now that optimizer can create values of funky scalar types. 
llvm-svn: 66429
 2009-03-09 19:15:00 +00:00
Evan Cheng
67ccd79e39 Recognize triplets starting with armv5-, armv6- etc. And set the ARM arch version accordingly. 
llvm-svn: 66365
 2009-03-08 04:02:49 +00:00
Evan Cheng
483ece4d2e If a MI uses the same register more than once, only mark one of them as 'kill'. 
llvm-svn: 66363
 2009-03-08 03:58:35 +00:00
Evan Cheng
9c3ce7905e Last commit accidentially deleted this code. 
llvm-svn: 65679
 2009-02-28 06:02:14 +00:00
Evan Cheng
86fc9440db The last commit was overly conservative. It's ok to reuse value that's already marked livein. 
llvm-svn: 65498
 2009-02-26 03:02:21 +00:00
Evan Cheng
41687ff389 If a use operand is marked isKill, don't forget to add kill to its live interval as well. 
llvm-svn: 65279
 2009-02-22 08:35:56 +00:00
Evan Cheng
2e0cf05ad2 A couple of places where reused use operands should be marked kill. This is exposed by recent availability fallthrough changes. 
llvm-svn: 64745
 2009-02-17 06:41:03 +00:00
Evan Cheng
19a1ba3680 Replace one of burr scheduling heuristic with something more sensible. Now calcMaxScratches simply compute the number of true data dependencies. This actually improve a couple of tests in dejagnu suite as many tests in llvm nightly test suite. 
llvm-svn: 64369
 2009-02-12 08:59:45 +00:00
Evan Cheng
5be1afd928 Fix PR3457: Ignore control successors when looking for closest scheduled successor. A control successor doesn't read result(s) produced by the scheduling unit being evaluated. 
llvm-svn: 64210
 2009-02-10 08:30:11 +00:00
Evan Cheng
3f98669da2 Re-enable machine sinking pass now that the coalescer bugs and the AnalyzeBrnach bug are fixed. 
llvm-svn: 64126
 2009-02-09 08:45:39 +00:00
Bill Wendling
4ed0306d6f Revert r63999. It was breaking self-hosting builds. 
llvm-svn: 64062
 2009-02-08 00:58:05 +00:00
Evan Cheng
62694a52fe Enable machine sinking pass in non-fast mode. 
llvm-svn: 63999
 2009-02-07 01:57:46 +00:00
Evan Cheng
b36e3e34e7 Turn on machine LICM in non-fast mode. 
llvm-svn: 63855
 2009-02-05 08:46:33 +00:00
Rafael Espindola
0aba6c9435 Add the private linkage. 
llvm-svn: 62279
 2009-01-15 20:18:42 +00:00
Evan Cheng
5c92d425a9 Clean up some ARM GV asm printing out; minor fixes to match what gcc does. 
llvm-svn: 60621
 2008-12-06 02:00:55 +00:00
Evan Cheng
2805dcc9a0 - Register scavenger should use MachineRegisterInfo and internal map to find the first use of a register after a given machine instruction. 
- When scavenging a register, in addition to the spill, insert a restore before the first use.
- Abort if client is looking to scavenge a register even when a previously scavenged register is still live.

llvm-svn: 59697
 2008-11-20 02:32:35 +00:00
Evan Cheng
145b3db050 Register scavenger should process early clobber defs first. A dead early clobber def should not interfere with a normal def which happens one slot later. 
llvm-svn: 59559
 2008-11-18 22:28:38 +00:00
Evan Cheng
59112bc108 Actually ARM / Mac OS X does have UINTTOFP_I64_F{64|32} libcalls. 
llvm-svn: 58725
 2008-11-04 22:19:55 +00:00
Evan Cheng
45496b349f Custom lower bit_convert i64 -> f64 into FMDRR. This is now happening with legalizetypes. 
llvm-svn: 58714
 2008-11-04 19:57:48 +00:00
Devang Patel
47a504c87c Implement function notes as function attributes. 
llvm-svn: 56716
 2008-09-26 23:51:19 +00:00
Evan Cheng
d3225118a6 Unallocatable registers do not have live intervals. 
llvm-svn: 56287
 2008-09-17 18:36:25 +00:00
Dan Gohman
f38d63884f Re-enable SelectionDAG CSE for calls. It matters in the case of 
libcalls, as in this testcase on ARM.

llvm-svn: 56226
 2008-09-15 19:46:03 +00:00
Evan Cheng
db1693cb14 Correctly update kill infos after extending a live range and merge 2 val#'s; fix 56165 - do not mark val# copy field if the copy does not define the val#. 
llvm-svn: 56199
 2008-09-15 06:28:41 +00:00
Evan Cheng
ba11945234 Legalizer was missing code that expand fpow to a libcall. 
llvm-svn: 56028
 2008-09-09 23:02:14 +00:00
Evan Cheng
4708df4776 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
llvm-svn: 54519
 2008-08-08 06:56:16 +00:00
Anton Korobeynikov
52d0ff92cc Print section flags ok on platforms, which use '@' as comment string. Fix test. 
llvm-svn: 54460
 2008-08-07 09:55:06 +00:00
Owen Anderson
4c7ea0c270 This check is unnecessary, and getting rid of it removes a use of -disable-correct-folding. 
llvm-svn: 54355
 2008-08-05 17:52:54 +00:00
Owen Anderson
7fca48d0bd Remove the need for -disable-correct-folding from this test. 
llvm-svn: 54354
 2008-08-05 17:49:52 +00:00
Owen Anderson
231111faf9 Update these tests to work by disabling the new correct CFG generation. This flag should ONLY be used to for tests like these. 
llvm-svn: 54334
 2008-08-04 23:55:29 +00:00
Evan Cheng
d4eb684258 Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589. 
llvm-svn: 54004
 2008-07-25 00:55:17 +00:00
Duncan Sands
ef45c602b6 Softfloat support for FDIV. Patch by 
Richard Pennington.

llvm-svn: 53773
 2008-07-18 21:18:48 +00:00
Gabor Greif
807c2df887 sabre brings to my attention that the 'tr' suffix is also obsolete 
llvm-svn: 51349
 2008-05-20 21:00:03 +00:00
Gabor Greif
d8a4dbb5da Rename the last test with .llx extension to .ll, resolve duplicate test by renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. 
llvm-svn: 51328
 2008-05-20 19:52:04 +00:00
Evan Cheng
55e3957c96 More local spiller complexity! 
If local spiller optimization turns some instruction into an identity copy, it will be removed. If the output register happens to be dead (and source is obviously killed), transfer the kill / dead information to last use / def in the same MBB.

llvm-svn: 51306
 2008-05-20 08:13:21 +00:00
Evan Cheng
408425f0e0 Don't spill dead def. 
llvm-svn: 51305
 2008-05-20 08:10:37 +00:00
Evan Cheng
6e52146f16 If a PHI node has a single implicit_def source, replace it with an implicit_def instead of a copy. 
llvm-svn: 49543
 2008-04-11 17:54:45 +00:00
Evan Cheng
56ca7e285a New test. 
llvm-svn: 49514
 2008-04-10 23:49:09 +00:00
Evan Cheng
d7d1c94e67 1. IMPLICIT_DEF can *re-define* any register. 
2. Coalescer can now create an interesting situation where a register def can
   reaches itself without being killed.

llvm-svn: 49246
 2008-04-05 01:27:09 +00:00
Evan Cheng
c2f298f318 More soft fp fixes. 
llvm-svn: 49016
 2008-04-01 02:18:22 +00:00
Evan Cheng
a38ae9c502 Unbreak ARM / Thumb soft FP support. 
llvm-svn: 49012
 2008-04-01 01:50:16 +00:00
Evan Cheng
5f74d1a8dc Fixed a register scavenger bug. If a def is re-defining part of a super register, there must be an implicit def of the super-register on the MI. 
llvm-svn: 48024
 2008-03-07 20:12:54 +00:00
Evan Cheng
9c77211639 Constant fold SIGN_EXTEND_INREG with ashr not lshr. 
llvm-svn: 47992
 2008-03-06 08:20:51 +00:00
Bill Wendling
246237f14f DCE'ed this testcase. 
llvm-svn: 47760
 2008-02-29 19:28:11 +00:00
Bill Wendling
d0f85a5ca3 If we reload a virtual register that's already been assigned, we want to mark 
that instruction as its "last use". This fixes PR1925.

llvm-svn: 47758
 2008-02-29 18:52:01 +00:00
Tanya Lattner
03755061ae Remove llvm-upgrade. 
llvm-svn: 47238
 2008-02-17 20:02:20 +00:00
Evan Cheng
6b03a1aeb9 It's PR1925, not PR1609. 
llvm-svn: 46825
 2008-02-06 22:07:17 +00:00
Evan Cheng
2091d9a2e8 Fix a number of local register allocator issues: PR1609. 
llvm-svn: 46821
 2008-02-06 19:16:53 +00:00
Chris Lattner
26a8116f49 Update this test. Due to dag combiner improvements, we now compile 
f7/f11 to:

_f7:
	eor r0, r0, #2, 2 @ -2147483648
	bx lr
_f11:
	bic r0, r0, #2, 2 @ -2147483648
	bx lr

instead of:

_f7:
	fmsr s0, r0
	fnegs s0, s0
	fmrs r0, s0
	bx lr

_f11:
	fmsr s0, r0
	fabss s0, s0
	fmrs r0, s0
	bx lr

llvm-svn: 46423
 2008-01-27 23:26:37 +00:00
Evan Cheng
18c39c03a7 Remove xfail. This is fixed. 
llvm-svn: 45254
 2007-12-20 02:25:21 +00:00