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Author SHA1 Message Date
Chris Lattner
8b17f8647e restructure this for readability, correct the example to follow the public ivar name convention 
llvm-svn: 121443
 2010-12-10 00:52:35 +00:00
Nate Begeman
cb6d1c8193 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. 
llvm-svn: 121439
 2010-12-10 00:26:57 +00:00
Rafael Espindola
03ad1e8f1f Initial support for the cfi directives. This is just enough to get 
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

llvm-svn: 121434
 2010-12-09 23:48:29 +00:00
Devang Patel
a8fa89a39c Print breakpoints for call instructions. This is used by optimized debug info test harness. 
llvm-svn: 121432
 2010-12-09 23:37:07 +00:00
Chris Lattner
dd76dce2d8 add a rule for enums, patch by Zhanyong Wan! 
llvm-svn: 121430
 2010-12-09 23:32:39 +00:00
Devang Patel
769b99c4a5 Add initial support to measure local variables. 
llvm-svn: 121428
 2010-12-09 23:18:58 +00:00
Rafael Espindola
ebe4cab1db Use const references. 
llvm-svn: 121426
 2010-12-09 23:08:35 +00:00
Bill Wendling
87a73f7945 Fix the prototype for the llvm.eh.selector intrinsic. 
llvm-svn: 121425
 2010-12-09 23:05:48 +00:00
Bill Wendling
f8eaf8a243 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>

llvm-svn: 121417
 2010-12-09 21:49:07 +00:00
Nate Begeman
4a62a3e229 Add support for AVX to materialize +0.0 when doing scalar FP. 
llvm-svn: 121415
 2010-12-09 21:43:51 +00:00
Owen Anderson
4be3b6db5c 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.

llvm-svn: 121414
 2010-12-09 21:34:47 +00:00
Stuart Hastings
f7bba0cfe3 Initial support for nested CALLSEQ_START/CALLSEQ_END constructs in LegalizeDAG. 
Necessary for byval support on ARM.  Radar 7662569.

llvm-svn: 121412
 2010-12-09 21:25:20 +00:00
Jakob Stoklund Olesen
fe4b9ee934 Remember to filter out reserved rergisters from the allocation order. 
llvm-svn: 121411
 2010-12-09 21:20:46 +00:00
Jakob Stoklund Olesen
5bb5c67227 Add a forgotten initializer for CheckedFirstInterference. 
llvm-svn: 121410
 2010-12-09 21:20:44 +00:00
Dan Gohman
d5b1cf4bc8 Give CurStreamType's enum a name. This works around what is apparently 
a bug in Apple GCC 4.0.

llvm-svn: 121409
 2010-12-09 20:35:40 +00:00
Owen Anderson
a8ac35b468 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.

llvm-svn: 121408
 2010-12-09 20:27:52 +00:00
Jim Grosbach
61fe7b9ee5 Rename CB/CBZ specific fixup accordingly. 
llvm-svn: 121404
 2010-12-09 19:50:12 +00:00
Devang Patel
bef09ddec8 Add assert to catch an attempt to emit .byte 256 
llvm-svn: 121402
 2010-12-09 19:26:21 +00:00
Kevin Enderby
55cb19813e 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.

llvm-svn: 121401
 2010-12-09 19:19:43 +00:00
Jim Grosbach
9b3730fc77 Rename the encoder method for t_cbtarget to match. 
llvm-svn: 121399
 2010-12-09 19:04:53 +00:00
Jim Grosbach
57d420438a Thumb needs a few different encoding schemes for branch targets. Rename 
t_brtarget to be more specific.

llvm-svn: 121398
 2010-12-09 19:01:46 +00:00
Bob Wilson
3c35e2ab2f 80-column fixes. 
llvm-svn: 121395
 2010-12-09 18:43:35 +00:00
Jim Grosbach
8bc33cc6e5 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

llvm-svn: 121391
 2010-12-09 18:31:13 +00:00
Bob Wilson
bd5b0c9ec6 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.

llvm-svn: 121390
 2010-12-09 18:31:01 +00:00
Andrew Trick
ec37b93b07 Added register reassignment prototype to RAGreedy. It's a simple 
heuristic to reshuffle register assignments when we can't find an
available reg.

llvm-svn: 121388
 2010-12-09 18:15:21 +00:00
Michael J. Spencer
1b2e087ff3 More code not compiled by CMake. :(. 
llvm-svn: 121387
 2010-12-09 18:06:07 +00:00
Michael J. Spencer
4ff8736610 CMake: Add FileUpdate to the build. 
llvm-svn: 121386
 2010-12-09 17:54:44 +00:00
Michael J. Spencer
b38d1766d6 Missed FileUpdate because CMake doesn't build it yet :(. 
llvm-svn: 121385
 2010-12-09 17:48:55 +00:00
Michael J. Spencer
3dbfb7c62e Support/Windows/PathV2: Fix header comment. 
llvm-svn: 121383
 2010-12-09 17:37:42 +00:00
Michael J. Spencer
95b8bf9f67 Fix whitespace. 
llvm-svn: 121382
 2010-12-09 17:37:32 +00:00
Michael J. Spencer
c4c4e1133d Support: Move c_str from SmallVector back to SmallString and add a free standing 
templated c_str in Windows.h to replace it.

llvm-svn: 121381
 2010-12-09 17:37:18 +00:00
Michael J. Spencer
1d95a8f9bc 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.

llvm-svn: 121380
 2010-12-09 17:37:02 +00:00
Michael J. Spencer
15483143ec Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients. 
llvm-svn: 121379
 2010-12-09 17:36:48 +00:00
Bruno Cardoso Lopes
93e5c2fb64 Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka 
llvm-svn: 121377
 2010-12-09 17:32:30 +00:00
Bruno Cardoso Lopes
0f5478218e Fix delay slot filler for non mips1 targets. Patch by Akira Hatanaka 
llvm-svn: 121376
 2010-12-09 17:31:11 +00:00
Kalle Raiskila
18da80f675 Dont' feed ILA two inputs - it takes just one. 
llvm-svn: 121372
 2010-12-09 16:17:31 +00:00
Jim Grosbach
4ad6abd006 tidy up. 
llvm-svn: 121371
 2010-12-09 16:15:41 +00:00
Jim Grosbach
9adf657f1a 80 columns. 
llvm-svn: 121370
 2010-12-09 16:14:46 +00:00
Chris Lattner
996691e79c enhance memcpyopt to zap memcpy's that have the same src/dst. 
llvm-svn: 121362
 2010-12-09 07:45:45 +00:00
Chris Lattner
4fef82afa0 fix PR8753, eliminating a case where we'd infinitely make a 
substitution because it doesn't actually change the IR.  Patch by
Jakub Staszak!

llvm-svn: 121361
 2010-12-09 07:39:50 +00:00
Eric Christopher
0e40452eb0 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.

llvm-svn: 121358
 2010-12-09 06:25:53 +00:00
Owen Anderson
a882a78d4b Take the first step towards making LVI non-recursive: get rid of the LVIQuery abstraction. 
llvm-svn: 121357
 2010-12-09 06:14:58 +00:00
Eric Christopher
ebd7ab9857 80-col fixups. 
llvm-svn: 121356
 2010-12-09 04:48:06 +00:00
Wesley Peck
33ba317cf6 Reworking the stack layout generated by the MBlaze backend. 
llvm-svn: 121355
 2010-12-09 03:42:04 +00:00
Owen Anderson
96545f21b9 Fix encoding of the immediate operands on post-indexed LDR and friends. 
llvm-svn: 121354
 2010-12-09 02:56:12 +00:00
Dan Gohman
3d9fc7db03 Really check that the bits that will become zero are actually already zero 
before eliminating the operation that zeros them. This fixes rdar://8739316.

llvm-svn: 121353
 2010-12-09 02:52:17 +00:00
Eric Christopher
ea350b4c4b Fix up some comments. 
llvm-svn: 121351
 2010-12-09 01:57:45 +00:00
Owen Anderson
767a95816d Fix Thumb2 fixups for ldr. 
llvm-svn: 121350
 2010-12-09 01:51:07 +00:00
Jim Grosbach
5658d982b4 Add a textual message to the assert. 
llvm-svn: 121349
 2010-12-09 01:23:51 +00:00
Jim Grosbach
da9353523f Add a sanity check assert() for t2ADD/SUBrSPi instructions that they really are 
referencing the stack pointer as they say they are.

llvm-svn: 121347
 2010-12-09 01:22:19 +00:00