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0f4b60d43a
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44074 Commits

Author SHA1 Message Date
Owen Anderson
0f4b60d43a Fix encoding of Thumb1 LDRB and STRB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 22:11:13 +00:00
Jim Grosbach
7bf4c02789 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 21:57:34 +00:00
Owen Anderson
808c7d1482 Fix Thumb2 encodings of STREX and LDREX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 21:52:38 +00:00
Dan Gohman
839c092548 Revert r121520, which may have introduced miscompilations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 21:48:28 +00:00
Jim Grosbach
0be099da79 Correct encoding of rotation immediate for Thumb2 instructions. rdar://8755999 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 21:24:18 +00:00
Jim Grosbach
90cc533fda Fix encoding of 'U' bit for Thumb2 STRD/LDRD instructions. rdar://8755726 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121524 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 21:05:07 +00:00
Jim Grosbach
683fc3e9af More trivial cleanup. No need to define the EncoderMethod property type. Can 
just assign to it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121523 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:53:44 +00:00
Jim Grosbach
04da9bf9f1 Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121522 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:51:35 +00:00
Jim Grosbach
a79bd0e1e0 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121521 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:47:29 +00:00
Dan Gohman
3bd5e52676 Implement PartialAlias checking in BasicAA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121520 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:47:03 +00:00
Jakob Stoklund Olesen
6ce219ec64 Fix miscompilation caused by trivial logic error in the reassignVReg() 
interference check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121519 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:45:04 +00:00
Dan Gohman
d891acd184 Minimally update this code to handle PartialAlias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121518 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:14:49 +00:00
Dan Gohman
4a2a3eab2d Use PartialAlias to do better noalias lint checking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121514 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 20:04:06 +00:00
Dan Gohman
91d747569a Teach AliasAnalysisCounter about PartialAlias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 19:53:05 +00:00
Dan Gohman
3d9f1ca5af Teach AliasAnalysisEvaluator about PartialAlias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 19:52:40 +00:00
Dan Gohman
2c2f4c8247 Update this code to handle PartialAlias as MayAlias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 19:40:47 +00:00
Bob Wilson
a92bac64cb Fix some invalid alignments for Neon vld-dup and vld/st-lane instructions. 
Alignments smaller than the total size of the memory being loaded or stored,
unless the alignment is 8 bytes, are not allowed.  Add tests for this, too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121506 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 19:37:42 +00:00
Jim Grosbach
568f528c99 Teach isCSRestore() that ARM/Thumb2 functions will use post-modify LDR 
instructions to restore a single register rather than an LDM instruction.
rdar://8754999

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121498 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 18:41:15 +00:00
Jakob Stoklund Olesen
c9672cb8be Add an AllocationOrder class that can iterate over the allocatable physical 
registers for a given virtual register.

Reserved registers are filtered from the allocation order, and any valid hint is
returned as the first suggestion.

For target dependent hints, a number of arcane target hooks are invoked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121497 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 18:36:02 +00:00
Jim Grosbach
e246717c3a Thumb unconditional branch binary encoding. rdar://8754994 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121496 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 18:21:33 +00:00
Jim Grosbach
0108645139 Thumb conditional branch binary encodings. rdar://8745367 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121493 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 17:13:40 +00:00
Rafael Espindola
89b9372605 Fixed version of 121434 with no new memory leaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 07:39:47 +00:00
Daniel Dunbar
a87d7ec234 Mach-O: Tweak field name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121465 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 06:19:39 +00:00
Rafael Espindola
eda4a530c9 Fix cmake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121462 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 04:28:37 +00:00
Rafael Espindola
f7fd4aa261 Revert my previous patch to make the valgrind bots happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 04:01:09 +00:00
NAKAMURA Takumi
8070812f4c lib/Target/CMakeLists.txt: Add missing lib/Target/TargetAsmInfo.cpp, following up to r121434. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 02:15:24 +00:00
Kevin Enderby
44a9e8f869 Fix the leak from r121401 of the Operands erased in the list but not deleted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 01:41:56 +00:00
Nate Begeman
d191751f0e Add some missing predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121445 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 00:54:26 +00:00
Nate Begeman
2ea8ee7c76 Formalize the notion that AVX and SSE are non-overlapping extensions from the compiler's point of view. Per email discussion, we either want to always use VEX-prefixed instructions or never use them, and are taking "HasAVX" to mean "Always use VEX". Passing -mattr=-avx,+sse42 should serve to restore legacy SSE support when desirable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 00:26:57 +00:00
Rafael Espindola
1c952b9cc9 Initial support for the cfi directives. This is just enough to get 
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 23:48:29 +00:00
Rafael Espindola
5fad7a99c0 Use const references. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121426 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 23:08:35 +00:00
Bill Wendling
272df516d7 Thumb ldr reg+imm offsets were encoded incorrectly. The scaling factor of the 
t_addrmode_s# address modes is used for ASM printing, not for encoding.
<rdar://problem/8745375>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121417 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:49:07 +00:00
Nate Begeman
3c49706a61 Add support for AVX to materialize +0.0 when doing scalar FP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121415 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:43:51 +00:00
Owen Anderson
fe7fac74b4 Use the new IsAligned fixup flag to improve fixup encodings for Thumb2 branches. This is still not perfect, 
but it gets many more of them correct than it did previously.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:34:47 +00:00
Stuart Hastings
a304d02791 Initial support for nested CALLSEQ_START/CALLSEQ_END constructs in LegalizeDAG. 
Necessary for byval support on ARM.  Radar 7662569.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:25:20 +00:00
Jakob Stoklund Olesen
ff092faffb Remember to filter out reserved rergisters from the allocation order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:20:46 +00:00
Jakob Stoklund Olesen
a0382c6290 Add a forgotten initializer for CheckedFirstInterference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 21:20:44 +00:00
Owen Anderson
05018c2f28 Fix an issue in some Thumb fixups, where the effective PC address needs to be 4-byte aligned when calculating 
the offset.  Add a new fixup flag to represent this, and use it for the one fixups that I have a testcase for needing
this.  It's quite likely that the other Thumb fixups will need this too, and to have their fixup encoding logic
adjusted accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 20:27:52 +00:00
Jim Grosbach
b492a7c213 Rename CB/CBZ specific fixup accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 19:50:12 +00:00
Devang Patel
dea914bed9 Add assert to catch an attempt to emit .byte 256 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 19:26:21 +00:00
Kevin Enderby
193c3acbe5 Add support for parsing ARM arithmetic instructions that update or don't update 
the condition codes.  Where the ones that do have an 's' suffix and the ones
that don't don't have the suffix.  The trick is if MatchInstructionImpl() fails
we try again after adding a CCOut operand with the correct value and removing
the 's' if present.  Four simple test cases added for now, lots more to come.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 19:19:43 +00:00
Jim Grosbach
027d6e8d1c Rename the encoder method for t_cbtarget to match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121399 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 19:04:53 +00:00
Jim Grosbach
cf6220a9de Thumb needs a few different encoding schemes for branch targets. Rename 
t_brtarget to be more specific.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 19:01:46 +00:00
Jim Grosbach
c6f9261711 ARM stm/ldm instructions require more than one register in the register list. 
Otherwise, a plain str/ldr should be used instead. Make sure we account for
that in prologue/epilogue code generation.
rdar://8745460

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 18:31:13 +00:00
Andrew Trick
b853e6c370 Added register reassignment prototype to RAGreedy. It's a simple 
heuristic to reshuffle register assignments when we can't find an
available reg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 18:15:21 +00:00
Michael J. Spencer
924aa23b74 Support/Windows/PathV2: Fix header comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:37:42 +00:00
Michael J. Spencer
333ad3f2bf Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:37:32 +00:00
Michael J. Spencer
58fe86dc0e Support: Move c_str from SmallVector back to SmallString and add a free standing 
templated c_str in Windows.h to replace it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121381 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:37:18 +00:00
Michael J. Spencer
61187dd0ad Support/FileSystem: Change file_status predicate functions that cannot fail to 
return their result instead of an error_code. Also add some missing predicate
functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121380 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:37:02 +00:00
Michael J. Spencer
333fb04506 Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:36:48 +00:00