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Author SHA1 Message Date
Chris Lattner
451a0accb5 add uadd_ov/usub_ov to apint, consolidate constant folding 
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.

llvm-svn: 116457
 2010-10-14 00:05:07 +00:00
Chris Lattner
365326538a missed a line :( 
llvm-svn: 116456
 2010-10-13 23:57:00 +00:00
Chris Lattner
093d5fe0a9 constify these methods. 
llvm-svn: 116455
 2010-10-13 23:54:10 +00:00
Jim Grosbach
151502662e Detabify and clean up 80 column violations. 
llvm-svn: 116454
 2010-10-13 23:47:11 +00:00
Chris Lattner
70a78ab2c5 add a few operations for signed operations that also 
return an overflow flag.

llvm-svn: 116452
 2010-10-13 23:46:33 +00:00
Jim Grosbach
506b966b9d A few 80 column fixes. 
llvm-svn: 116451
 2010-10-13 23:34:31 +00:00
Jim Grosbach
2e8a589fb2 trailing whitespace 
llvm-svn: 116450
 2010-10-13 23:12:26 +00:00
Jim Grosbach
41cd0dd4ba Add a FIXME. 
llvm-svn: 116449
 2010-10-13 22:55:33 +00:00
Jim Grosbach
4c80dbda49 Add operand encoding bits for SMC and SVC in ARM mode. 
llvm-svn: 116447
 2010-10-13 22:38:23 +00:00
Jim Grosbach
66822f70b8 More encoding cleanup. Also add register Rd operands for indirect branches. 
llvm-svn: 116444
 2010-10-13 22:09:34 +00:00
Owen Anderson
c6c23bbf04 CallGraphSCC passes implicity require CallGraph analysis. 
llvm-svn: 116443
 2010-10-13 22:00:45 +00:00
Owen Anderson
2ea9b016d8 Conversely, Analysis-implementations do NOT need to initialize the AnalysisGroup. It will only matter when 
someone tries to require that AG, in which case it is the requester's responsibility to initialize it.

llvm-svn: 116442
 2010-10-13 21:55:07 +00:00
Owen Anderson
c65395a991 Analysis groups need to initialize their default implementations. 
llvm-svn: 116441
 2010-10-13 21:49:58 +00:00
Jim Grosbach
630efeb050 Simplify some ARM encoding information. 
llvm-svn: 116440
 2010-10-13 21:48:54 +00:00
Eric Christopher
19be5bd87c Update comment. 
llvm-svn: 116438
 2010-10-13 21:41:51 +00:00
Jim Grosbach
f1d59d0fd5 Add a FIXME. The ADR instruction is a bit odd. 
llvm-svn: 116437
 2010-10-13 21:32:30 +00:00
Jim Grosbach
1699d40f80 Refactor the ARM 'setend' instruction pattern. Use a single instruction pattern 
and handle the operand explicitly. Flesh out encoding information. Add an
explicit disassembler testcase for the instruction.

llvm-svn: 116432
 2010-10-13 21:00:04 +00:00
Bill Wendling
bf63d6eb63 Add MC encodings for VCVT* instrunctions. 
llvm-svn: 116431
 2010-10-13 20:58:46 +00:00
Jim Grosbach
3a4bfe4573 Add a FIXME. 
llvm-svn: 116428
 2010-10-13 20:38:04 +00:00
Jim Grosbach
d079fee8b1 Make a few more bits of some simple instructions explicit. nop, yield, wfe, 
wfi, sel, sev and bkpt. All would disassemble properly before, but more
explicitness is good, especially with the integrated assembler coming in
the future.

llvm-svn: 116427
 2010-10-13 20:30:55 +00:00
Owen Anderson
63b480c711 Take advantage of C++'s thread-safe static local initialization to simplify thread-safe pass initialization. 
llvm-svn: 116426
 2010-10-13 20:24:34 +00:00
Oscar Fuentes
03ba7cb432 GetTargetTriple.cmake: detect MinGW 64 bits. 
llvm-svn: 116424
 2010-10-13 20:15:08 +00:00
Jim Grosbach
8f0bea85bf Add ARM mode encoding for [SU]XT[BH] and [SU]XTA[BH] instructions. 
llvm-svn: 116421
 2010-10-13 19:56:10 +00:00
Jim Grosbach
79156dadf2 Fix encoding for compares. No Rd register. 
llvm-svn: 116414
 2010-10-13 18:05:25 +00:00
Jim Grosbach
9c4a598ef2 Add ARM mode operand encoding information for ADDE/SUBE instructions. 
llvm-svn: 116412
 2010-10-13 18:00:52 +00:00
Rafael Espindola
b1ae74bd73 Fix another case where we were preferring instructions with large 
immediates instead of 8 bits ones.

llvm-svn: 116410
 2010-10-13 17:14:25 +00:00
Benjamin Kramer
3d87b36b64 Remove noisy semicolon. 
llvm-svn: 116407
 2010-10-13 15:55:12 +00:00
Rafael Espindola
ff7f11c151 Fix PR8365 by adding a more specialized Pat that checks if an 'and' with 
8 bit constants can be used.

llvm-svn: 116403
 2010-10-13 13:31:20 +00:00
Tobias Grosser
70507511ae Add Region::isTopLevelRegion(). 
llvm-svn: 116402
 2010-10-13 11:02:44 +00:00
Eric Christopher
f7ab2cd3df Start handling more global variables. 
llvm-svn: 116401
 2010-10-13 09:11:46 +00:00
Tobias Grosser
1eba2917fa RegionInfo: Fix trivial error that slipped in last minute. 
llvm-svn: 116400
 2010-10-13 08:00:53 +00:00
Tobias Grosser
85dce73ab5 RegionInfo: Update RegionInfo after a BB was split. 
llvm-svn: 116398
 2010-10-13 05:54:13 +00:00
Tobias Grosser
6aac855519 RegioInfo: Add getExpandedRegion(). 
getExpandedRegion() enables us to create non canonical regions. Those regions
can be used to define the largerst region, that fullfills a certain property.

llvm-svn: 116397
 2010-10-13 05:54:11 +00:00
Tobias Grosser
ecfaf92c1a RegionInfo: Allow to update exit and entry of a region. 
llvm-svn: 116396
 2010-10-13 05:54:10 +00:00
Tobias Grosser
84dd4b54fc RegionInfo: Enhance addSubregion. 
llvm-svn: 116395
 2010-10-13 05:54:09 +00:00
Tobias Grosser
a2b5df5a6d RegionInfo: Allow to set the parent region of a basic block. 
llvm-svn: 116394
 2010-10-13 05:54:07 +00:00
Rafael Espindola
16d5617ec3 Fix PR8313 by changing ValueToValueMap use a TrackingVH. 
llvm-svn: 116390
 2010-10-13 02:08:17 +00:00
Evan Cheng
d07bee932d Limit load / store issues (at least until we have a true multi-issue aware scheduler). 
llvm-svn: 116389
 2010-10-13 01:54:21 +00:00
Rafael Espindola
aa5448f520 Be more consistent in using ValueToValueMapTy. 
llvm-svn: 116387
 2010-10-13 01:36:30 +00:00
Bill Wendling
6d8a23c978 Add encodings for VNEG and VSQRT. Also add encodings for VMOV, but not a test 
just yet.

llvm-svn: 116386
 2010-10-13 01:17:33 +00:00
Bill Wendling
ea062d454d Add encodings for VCVT instructions. 
llvm-svn: 116385
 2010-10-13 00:56:35 +00:00
Jim Grosbach
3fe0337063 Add ARM encoding information for comparisons, forced-cc-out arithmetics, and 
arithmetic-with-carry-in instructions.

llvm-svn: 116384
 2010-10-13 00:50:27 +00:00
Bill Wendling
e6c2fdebbd Add VCMPZ and VABS. 
llvm-svn: 116383
 2010-10-13 00:38:07 +00:00
Tobias Grosser
e5d4a07ab3 RegionInfo: Free the RegionNodes in cache. 
Contributed by: ether

llvm-svn: 116380
 2010-10-13 00:07:59 +00:00
Bill Wendling
fddde4cc72 Refactor VCMP instructions. 
llvm-svn: 116379
 2010-10-13 00:04:29 +00:00
Jim Grosbach
79cebf409d Add the rest of the ARM so_reg encoding options (register shifted register) 
and move to a custom operand encoder. Remove the last of the special handling
stuff from ARMMCCodeEmitter::EncodeInstruction.

llvm-svn: 116377
 2010-10-12 23:53:58 +00:00
Eric Christopher
efbd4146d8 FileCheckize this in a hope to quiet a valgrind warning on grep. 
llvm-svn: 116376
 2010-10-12 23:47:58 +00:00
Bill Wendling
47155cfddd Add encodings for VNMUL[SD]. 
llvm-svn: 116375
 2010-10-12 23:47:37 +00:00
Bill Wendling
185b548b07 Add encodings for VDIV and VMUL. 
llvm-svn: 116370
 2010-10-12 23:22:27 +00:00
Evan Cheng
eefee972cf Turn some fp stackifier assertion into errors to avoid silently generating bad code when assertions are off. rdar://8540457. 
llvm-svn: 116368
 2010-10-12 23:19:28 +00:00