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41852 Commits

Author SHA1 Message Date
Chandler Carruth
85a55025d8 Silence a GCC warning about not handling all flags in this switch, we 
specifically assert on unexpected flags.

llvm-svn: 115143
 2010-09-30 10:59:51 +00:00
Jan Wen Voung
7df9bf0092 Move logic of determining ELF entsize from the .s printer to initialization 
time. That way, the EntrySize field is initialized for other code paths, 
namely, the .ll -> .o code path.

llvm-svn: 115141
 2010-09-30 05:59:22 +00:00
Jim Grosbach
4ad95fa930 trailing whitespace 
llvm-svn: 115136
 2010-09-30 03:21:00 +00:00
Jim Grosbach
5b0ae02149 Remove misplaced ';'. Make buildbots happy, hopefully. 
llvm-svn: 115135
 2010-09-30 03:20:34 +00:00
Rafael Espindola
480ee577ad Correctly produce R_X86_64_32 or R_X86_64_32S. 
With this patch in

movq    $foo, foo(%rip)
foo:
.long   foo

We produce a R_X86_64_32S for the first relocation and R_X86_64_32 for the
second one.

llvm-svn: 115134
 2010-09-30 03:11:42 +00:00
Jason W Kim
7822e6aab5 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133
 2010-09-30 02:45:56 +00:00
Jan Wen Voung
0d25ddb1de Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when 
constructing a section. Test for a few cases also included.

llvm-svn: 115132
 2010-09-30 02:41:46 +00:00
Rafael Espindola
3e2630deca Make it possible for the MCObjectWriter to decide if a given fixup is fully 
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.

Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.

llvm-svn: 115131
 2010-09-30 02:22:20 +00:00
Jim Grosbach
ad67153eb3 Go ahead and jump! 
Now that the MC lowering handles the expansion of the pseudos, kill the horrible
blobs of text.

llvm-svn: 115130
 2010-09-30 02:18:06 +00:00
Jason W Kim
6d7784e5f5 I added a new file ARMAsmBackend which stubs out in similar ways to 
the eqv X86 class.
For now, I split the ELFARMAsmBackend from the DarwinARMAsmBackend
(also mimicking X86)

Tested against -r115126

llvm-svn: 115129
 2010-09-30 02:17:26 +00:00
Jim Grosbach
3a7ca3301b Now that the pseudos that needed this are all custom lowered, we can go back 
to an empty PrintSpecial()

llvm-svn: 115128
 2010-09-30 02:02:22 +00:00
Jim Grosbach
efad965653 Nuke it from orbit. It's the only way to be sure. 
(Kill the dead non-MC asm printer for the ARM target.)

llvm-svn: 115127
 2010-09-30 01:57:53 +00:00
Jan Wen Voung
4b4807d984 Test commit - Deleted some whitespace at the end of a line. 
llvm-svn: 115122
 2010-09-30 01:09:20 +00:00
Evan Cheng
fa5d40dbff ARM instruction itinerary fixes: 
1. Cortex-a9 8-bit and 16-bit loads / stores AGU cycles are 1 cycle longer than 32-bit ones.
2. Cortex-a9 is out-of-order so model all read cycles as cycle 1.
3. Lots of other random fixes for A8 and A9.

llvm-svn: 115121
 2010-09-30 01:08:25 +00:00
Benjamin Kramer
2a44a539e2 Add constant folding for strspn and strcspn to SimplifyLibCalls. 
llvm-svn: 115116
 2010-09-30 00:58:35 +00:00
Francois Pichet
0c653599a9 Revert r114320(move file = copy + delete on Win32). r115040 is a better solution for the Win32 ACCESS_DENIED lit error. 
llvm-svn: 115114
 2010-09-30 00:44:58 +00:00
Benjamin Kramer
476bfb7a10 Add strpbrk folding to SimplifyLibCalls. 
llvm-svn: 115111
 2010-09-29 23:52:12 +00:00
Nick Lewycky
711a5e60fa Silence compiler warning. 
llvm-svn: 115107
 2010-09-29 23:32:20 +00:00
Eric Christopher
ba01048ae2 Refactor arm fast isel libcall handling so that pieces can be used 
for generic call handling.

llvm-svn: 115105
 2010-09-29 23:11:09 +00:00
Devang Patel
41e2a94595 Let FE mark a variable as artificial variable. 
llvm-svn: 115102
 2010-09-29 23:07:21 +00:00
Eric Christopher
80d620fb38 Noticed by inspection when looking for other cmov bits. 
llvm-svn: 115100
 2010-09-29 23:00:29 +00:00
Evan Cheng
b44d480808 Model Cortex-a9 load to SUB, RSB, ADD, ADC, SBC, RSC, CMN, MVN, or CMP 
pipeline forwarding path.

llvm-svn: 115098
 2010-09-29 22:42:35 +00:00
Benjamin Kramer
cf690de5bb Silence msvc warnings. 
llvm-svn: 115097
 2010-09-29 22:38:50 +00:00
Benjamin Kramer
cec2603ec2 Simplify the loop in StrChrOptimizer. FileCheckize test. 
llvm-svn: 115095
 2010-09-29 22:29:12 +00:00
Eric Christopher
eb578cf724 Add a convenience variable so I'm not chasing all over looking for 
a context.

llvm-svn: 115094
 2010-09-29 22:24:45 +00:00
Benjamin Kramer
75a825ff6b Teach SimplifyLibCalls how to optimize strrchr. 
llvm-svn: 115091
 2010-09-29 21:50:51 +00:00
Devang Patel
f600d9f0ed Add support to let FE encode method access specifier. 
llvm-svn: 115089
 2010-09-29 21:44:16 +00:00
Devang Patel
bbd003ab48 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.

llvm-svn: 115084
 2010-09-29 21:04:46 +00:00
Owen Anderson
267ca58af3 UnreachableBlockElim could incorrectly return false when it had not modified the CFG, but HAD modified some PHI nodes. Fixes PR8174. 
llvm-svn: 115083
 2010-09-29 20:57:19 +00:00
Owen Anderson
8e70968a13 Fix PR8247: JumpThreading can cause a block to become unreachable while still having predecessor, if it is part of a self-loop. 
Because of this, we cannot use the Simplify* APIs, as they can assert-fail on unreachable code.  Since it's not easy to determine
if a given threading will cause a block to become unreachable, simply defer simplifying simplification to later InstCombine and/or
DCE passes.

llvm-svn: 115082
 2010-09-29 20:34:41 +00:00
Benjamin Kramer
963980649e Remove PointerTracking from cmakelists … 
llvm-svn: 115076
 2010-09-29 19:39:50 +00:00
Devang Patel
fd6665e8aa Assign DW_ACCESS_public accessibility attribute to members by default. 
llvm-svn: 115067
 2010-09-29 19:08:08 +00:00
Jim Grosbach
fd8705ab4a Add specializations of addrmode2 that allow differentiating those forms 
which require the use of the shifter-operand. This will be used to split
the ldr/str instructions such that those versions needing the shifter operand
can get a different scheduling itenerary, as in some cases, the use of the
shifter can cause different scheduling than the simpler forms.

llvm-svn: 115066
 2010-09-29 19:03:54 +00:00
Nick Lewycky
a533bd63e6 Add parens to fix GCC warning: 
lib/Target/X86/X86MCCodeEmitter.cpp: 190: error: suggest parentheses around '&&' within '||'

llvm-svn: 115064
 2010-09-29 18:56:57 +00:00
Chris Lattner
b7bfd3de07 remove PointerTracking from mainline, Edwin is going to move it out to ClamAV 
for LLVM 2.9

llvm-svn: 115062
 2010-09-29 18:43:27 +00:00
Chris Lattner
7f466d63e0 implement rdar://8491845 - Gas supports commuted forms of non-commutable instructions. 
llvm-svn: 115061
 2010-09-29 18:39:16 +00:00
Owen Anderson
8d6be4804f Revert r114919, which caused some serious regressions on ARM. 
llvm-svn: 115053
 2010-09-29 18:05:19 +00:00
Bob Wilson
d16aaccb05 Increase ARM APCS preferred alignment for i64 and f64 from 32 bits to 64 bits. 
LDM/STM instructions can run one cycle faster on some ARM processors if the
memory address is 64-bit aligned.  Radar 8489376.

llvm-svn: 115047
 2010-09-29 17:54:10 +00:00
Jim Grosbach
9939090a14 Add braces for legibility. 
llvm-svn: 115043
 2010-09-29 17:32:29 +00:00
Jim Grosbach
fe21554145 One Printer to rule them all, One Printer to find them, 
One Printer to lower them all and in the back end bind them.


(Remove option to use the old non-MC asm printer.)

llvm-svn: 115038
 2010-09-29 15:23:40 +00:00
Rafael Espindola
96509a5550 Move "local commons" to the end of .bss to match the gnu as behavior. 
llvm-svn: 115037
 2010-09-29 14:52:01 +00:00
Gabor Greif
e1de402213 improve heuristics to find the 'and' corresponding to 'tst' to also catch opportunities on thumb2 
added some doxygen on the way

llvm-svn: 115033
 2010-09-29 10:12:08 +00:00
Chris Lattner
9c58de2dc4 fix rdar://8490728 - llvm-mc rejects gpr64 form of 'movmskpd' 
llvm-svn: 115029
 2010-09-29 05:05:03 +00:00
Chris Lattner
890c21a20a add assembler support for the cvtsd2sil/cvtsd2siq mnemonics, rdar://8456382 
llvm-svn: 115027
 2010-09-29 04:55:40 +00:00
Chris Lattner
54939ddf1f make the x86 mccode emitter emit the 0x67 and 0x66 prefix bytes in the same 
order as cctools for diffability.

llvm-svn: 115022
 2010-09-29 03:43:43 +00:00
Chris Lattner
13354d7bbc implement support for 32-bit address operands in 64-bit mode, which 
are defined to emit the 0x67 prefix byte.  rdar://8482675

llvm-svn: 115021
 2010-09-29 03:33:25 +00:00
Michael J. Spencer
9c138864bc MC-COFF: Fix symbol storage class for globals 
llvm-svn: 115020
 2010-09-29 03:13:41 +00:00
Chris Lattner
c14d59589c add basic avx support to the disassembler, also teach it about ssmem/sdmem 
operands.

With this done, we can remove the _Int suffixes from the round instructions
without the disassembler blowing up.  This allows the assembler to support
them, implementing rdar://8456376 - llvm-mc rejects 'roundss'

llvm-svn: 115019
 2010-09-29 02:57:56 +00:00
Chris Lattner
f90296b045 add asmparser support for cvttpd2dq by removing some Int_ prefixes. 
Clean up cvttps2dq by removing some redundant implementations of the
same instruction.  rdar://8456382

llvm-svn: 115018
 2010-09-29 02:36:32 +00:00
Chris Lattner
e5c5c8dc1f implement rdar://8456382 - cvtsd2si support, by removing some Int_ prefixes. 
llvm-svn: 115017
 2010-09-29 02:24:57 +00:00