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43952 Commits

Author SHA1 Message Date
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
Jim Grosbach
fb71e10e93 When using multiple instructions to reference a frame index, make sure to 
update the opcode when necessary as well as the source register.

llvm-svn: 121346
 2010-12-09 01:22:13 +00:00
Jim Grosbach
e38a2a39c6 The add/sub SP instructions are really pseudos. The assembler should ignore 
them.

llvm-svn: 121345
 2010-12-09 01:21:27 +00:00
Jakob Stoklund Olesen
17b2e8c293 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.

llvm-svn: 121344
 2010-12-09 01:06:52 +00:00
Matt Beaumont-Gay
a8aa446938 Remove unused variables 
llvm-svn: 121343
 2010-12-09 01:04:43 +00:00
Owen Anderson
43177d405a Fix typo in Thumb2 branch fixup. 
llvm-svn: 121342
 2010-12-09 01:02:09 +00:00
Eric Christopher
64e662fce9 Stop confusing people, it's not really a chain, or a tumor. 
llvm-svn: 121340
 2010-12-09 00:57:19 +00:00
Bill Wendling
baf852a1d6 Remove extraneous semicolon. 
llvm-svn: 121338
 2010-12-09 00:51:54 +00:00
Bill Wendling
9205cc6ea8 Attempt to make the bit-twiddling readable resulted in the binary value being 
overwritten.

llvm-svn: 121337
 2010-12-09 00:44:33 +00:00
Bill Wendling
cd8fdfd65f The BLX instruction is encoded differently than the BL, because why not? In 
particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0'
always. Going through the BL fixup encoding was trashing the "bit 0 is '0'"
invariant.

Attempt to get the encoding at slightly more correct with this.

llvm-svn: 121336
 2010-12-09 00:39:08 +00:00
Eric Christopher
0100a8fda4 Remove extraneous copy from DAG conversion for darwin tls. This was 
popping up at O0 when it wasn't folded and the fast allocator would
complain.

llvm-svn: 121330
 2010-12-09 00:27:58 +00:00
Owen Anderson
b956593730 Fix Thumb2 BCC encoding and fixups. 
llvm-svn: 121329
 2010-12-09 00:27:41 +00:00
Eric Christopher
cc8a622ca4 Add rsp to the uses for the same reason as 32-bit. 
llvm-svn: 121328
 2010-12-09 00:26:41 +00:00
Devang Patel
b3e0d80b1f DW_FORM_data1 may not provide sufficient room for vtable index, use _udata instead. 
This fixes radar 8730409.

llvm-svn: 121323
 2010-12-09 00:10:40 +00:00
Kevin Enderby
988dab6b5c Allow a slash, '/', as a prefix separator for X86. rdar://8741045 
llvm-svn: 121320
 2010-12-08 23:57:59 +00:00
Jakob Stoklund Olesen
ffc0f6586a Properly deal with empty intervals when checking for interference. 
llvm-svn: 121319
 2010-12-08 23:51:35 +00:00
Jason W Kim
e270068021 Style nit and whitespace cleanup 
llvm-svn: 121317
 2010-12-08 23:35:25 +00:00
Jim Grosbach
5a00173ead Clean up the add/sub w/ SP source reg instructions in Thumb2 a bit. Add a FIXME 
for more thorough cleanup.

llvm-svn: 121315
 2010-12-08 23:30:19 +00:00
Jim Grosbach
2eda2e0be9 Fix T2TwoRegImm and use it for t2ADDrSPi12 and friends. 
llvm-svn: 121314
 2010-12-08 23:24:29 +00:00
Jason W Kim
e8047d9ec4 Removed dead comment. 
llvm-svn: 121313
 2010-12-08 23:19:44 +00:00
Jason W Kim
2e6e50c1b0 ARM/MC/ELF TPsoft is now a proper pseudo inst. 
Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM
as well as ELF/OBJ (including fixup)

Also added support for ELF::R_ARM_TLS_IE32

llvm-svn: 121312
 2010-12-08 23:14:44 +00:00
Jim Grosbach
7a9e43e642 T2TwoRegImm isn't right for t2SUBrSPi12. Use T2I instead. 
llvm-svn: 121311
 2010-12-08 23:13:01 +00:00
Jim Grosbach
4f11f0f871 Add operand encoding for Thumb2 subw SP + imm. rdar://8745434 
llvm-svn: 121310
 2010-12-08 23:12:09 +00:00
Jim Grosbach
a423fbc4c7 Add operand encoding for Thumb2 addw Rn + imm. rdar://8745434 
llvm-svn: 121309
 2010-12-08 23:04:16 +00:00
Bill Wendling
9756f7c7b0 Support the "target" encodings for the CB[N]Z instructions. 
llvm-svn: 121308
 2010-12-08 23:01:43 +00:00
Evan Cheng
9fcb62eed1 Fix an obvious cut-n-paste error. 
llvm-svn: 121307
 2010-12-08 23:01:18 +00:00
Jakob Stoklund Olesen
37df3f04c2 Implement very primitive hinting support in RegAllocGreedy. 
The hint is simply tried first and then forgotten if it couldn't be allocated
immediately.

llvm-svn: 121306
 2010-12-08 22:57:16 +00:00
Jim Grosbach
51082ed2a4 Add operand encoding for Thumb2 addw SP + imm. rdar://8745434 
llvm-svn: 121305
 2010-12-08 22:50:19 +00:00
Jim Grosbach
e1eb84a44a Parameterize opcode encoding bits for Thumb2 extended precision integer 
multiply instructions.

llvm-svn: 121301
 2010-12-08 22:38:41 +00:00