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Author SHA1 Message Date
Bill Wendling
6bfd4f49b9 Fix the prototype for the llvm.eh.selector intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121425 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 23:05:48 +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
Dan Gohman
e7e4b51afc Give CurStreamType's enum a name. This works around what is apparently 
a bug in Apple GCC 4.0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121409 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 20:35:40 +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
Bob Wilson
b78558c0e1 80-column fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 18:43:35 +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
Bob Wilson
0e1fb7afcc Add a license comment to the generated arm_neon.h header. 
Remove the previous header.  I don't think we need to expose to end users
that we use TableGen to produce our version of arm_neon.h, and that header
was also using doubleslash comments which could be a problem when using it
in strict C89 compilations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121390 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 18:31:01 +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
f2f516fc26 More code not compiled by CMake. :(. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 18:06:07 +00:00
Michael J. Spencer
014e189069 CMake: Add FileUpdate to the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121386 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:54:44 +00:00
Michael J. Spencer
7a8aab3997 Missed FileUpdate because CMake doesn't build it yet :(. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121385 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:48:55 +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
Bruno Cardoso Lopes
908b6ddad6 Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:32:30 +00:00
Bruno Cardoso Lopes
90c595425b Fix delay slot filler for non mips1 targets. Patch by Akira Hatanaka 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:31:11 +00:00
Kalle Raiskila
7d17097e4a Dont' feed ILA two inputs - it takes just one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 16:17:31 +00:00
Jim Grosbach
bfd0daa6a6 tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 16:15:41 +00:00
Jim Grosbach
2a4f0986ac 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 16:14:46 +00:00
Chris Lattner
8fdca6a873 enhance memcpyopt to zap memcpy's that have the same src/dst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121362 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 07:45:45 +00:00
Chris Lattner
f7f35467a9 fix PR8753, eliminating a case where we'd infinitely make a 
substitution because it doesn't actually change the IR.  Patch by
Jakub Staszak!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 07:39:50 +00:00
Eric Christopher
d8c0536651 Rewrite the darwin tlv support to use a chain and return to copying 
the output to the correct register. Fixes a hidden problem uncovered
by the last patch where we'd try to DAG combine our MVT::Other node
oddly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 06:25:53 +00:00
Owen Anderson
f33b302e5b Take the first step towards making LVI non-recursive: get rid of the LVIQuery abstraction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121357 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 06:14:58 +00:00
Eric Christopher
503a64dcd4 80-col fixups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121356 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 04:48:06 +00:00
Wesley Peck
8397be0427 Reworking the stack layout generated by the MBlaze backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121355 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 03:42:04 +00:00
Owen Anderson
6b0fa635d5 Fix encoding of the immediate operands on post-indexed LDR and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 02:56:12 +00:00
Dan Gohman
d8e0c0438a Really check that the bits that will become zero are actually already zero 
before eliminating the operation that zeros them. This fixes rdar://8739316.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121353 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 02:52:17 +00:00
Eric Christopher
1a48c032bd Fix up some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121351 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:57:45 +00:00
Owen Anderson
d7b3f5870d Fix Thumb2 fixups for ldr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:51:07 +00:00
Jim Grosbach
766a63d20e Add a textual message to the assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121349 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:23:51 +00:00
Jim Grosbach
9702e6075c Add a sanity check assert() for t2ADD/SUBrSPi instructions that they really are 
referencing the stack pointer as they say they are.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121347 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:22:19 +00:00
Jim Grosbach
cde31293d4 When using multiple instructions to reference a frame index, make sure to 
update the opcode when necessary as well as the source register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:22:13 +00:00
Jim Grosbach
a0e23c5e95 The add/sub SP instructions are really pseudos. The assembler should ignore 
them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:21:27 +00:00
Jakob Stoklund Olesen
a35cce1a14 IntervalMap iterators are heavyweight, so avoid copying them around and use 
references instead.

Similarly, IntervalMap::begin() is almost as expensive as find(), so use find(x)
instead of begin().advanceTo(x);

This makes RegAllocBasic run another 5% faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:06:52 +00:00
Matt Beaumont-Gay
0a29c270b5 Remove unused variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:04:43 +00:00
Owen Anderson
8f07943317 Fix typo in Thumb2 branch fixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 01:02:09 +00:00
Eric Christopher
2040961f89 Stop confusing people, it's not really a chain, or a tumor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121340 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:57:19 +00:00
Bill Wendling
2fe813af23 Remove extraneous semicolon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:51:54 +00:00