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65155 Commits

Author SHA1 Message Date
Chandler Carruth f44d350614 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 efbdbe5565 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
Rafael Espindola 9d98ac645e Add another test that now passes. 
llvm-svn: 115137
 2010-09-30 04:22:07 +00:00
Jim Grosbach 689651c767 trailing whitespace 
llvm-svn: 115136
 2010-09-30 03:21:00 +00:00
Jim Grosbach 58bce99385 Remove misplaced ';'. Make buildbots happy, hopefully. 
llvm-svn: 115135
 2010-09-30 03:20:34 +00:00
Rafael Espindola 70d6e0e0ff 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 645f6c2bef 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 b96b2d8e4d 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 2ebaee9c75 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 4a9cb8f10e 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 b32124545b 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 2ff7de0264 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 080fdf4609 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
Jim Grosbach 4a57b76eea Let a target specify whether it wants an assembly printer to be the MC version 
or not. TableGen needs to generate the printInstruction() function as taking
an MCInstr* or a MachineInstr*, depending. Default to the old non-MC
version so that everything not yet using MC continues to just work without
fidding.

llvm-svn: 115126
 2010-09-30 01:29:54 +00:00
Chris Lattner 510a81a89b fix incorrect link! 
llvm-svn: 115124
 2010-09-30 01:12:09 +00:00
Jan Wen Voung c768287968 Test commit - Deleted some whitespace at the end of a line. 
llvm-svn: 115122
 2010-09-30 01:09:20 +00:00
Evan Cheng 2fb20b1d37 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 2b76c66fd6 Add constant folding for strspn and strcspn to SimplifyLibCalls. 
llvm-svn: 115116
 2010-09-30 00:58:35 +00:00
Francois Pichet 083f368be1 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
Chris Lattner 3458ab6001 add a bunch of entries for external projects. 
llvm-svn: 115112
 2010-09-30 00:34:43 +00:00
Benjamin Kramer 38d22f69fc Add strpbrk folding to SimplifyLibCalls. 
llvm-svn: 115111
 2010-09-29 23:52:12 +00:00
Nick Lewycky 83e471180c Silence compiler warning. 
llvm-svn: 115107
 2010-09-29 23:32:20 +00:00
Owen Anderson 74c06b202f Revert r115099 (adding early jump threading). It's not clear if the benefits are worth the compile time cost. 
llvm-svn: 115106
 2010-09-29 23:31:09 +00:00
Eric Christopher 7939806ecc 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 bea08d1c85 Let FE mark a variable as artificial variable. 
llvm-svn: 115102
 2010-09-29 23:07:21 +00:00
Eric Christopher 0574cc556a Noticed by inspection when looking for other cmov bits. 
llvm-svn: 115100
 2010-09-29 23:00:29 +00:00
Owen Anderson 6d33f59952 Early CFG simplification can fold conditionals down to selects, which is often a good thing, but it can also 
hide jump threading opportunities by turning control flow into data flow.  Run an early JumpThreading pass
(adds approximately an additional 1% to optimization time on SPEC), allowing it to get a shot at these cases
first.  Fixes <rdar://problem/8447345>.

llvm-svn: 115099
 2010-09-29 22:57:02 +00:00
Evan Cheng 4a010fd1ea 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 2016f0eaac Silence msvc warnings. 
llvm-svn: 115097
 2010-09-29 22:38:50 +00:00
Jim Grosbach a5497345ad trailing whitespace 
llvm-svn: 115096
 2010-09-29 22:32:50 +00:00
Benjamin Kramer 8e861d7eee Simplify the loop in StrChrOptimizer. FileCheckize test. 
llvm-svn: 115095
 2010-09-29 22:29:12 +00:00
Eric Christopher b024be3162 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 824645abc9 Teach SimplifyLibCalls how to optimize strrchr. 
llvm-svn: 115091
 2010-09-29 21:50:51 +00:00
Devang Patel cb03b14089 Add support to let FE encode method access specifier. 
llvm-svn: 115089
 2010-09-29 21:44:16 +00:00
Devang Patel 95ae73c394 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 0cd522428c 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 99c985c37d 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
Duncan Sands e9da6db67f Convert a bunch of uses of 'bytecode' into 'bitcode'. This 
is not everything, but the remaining cases are less trivial.

llvm-svn: 115080
 2010-09-29 20:09:55 +00:00
Benjamin Kramer 923a8cf356 Remove PointerTracking from cmakelists … 
llvm-svn: 115076
 2010-09-29 19:39:50 +00:00
Daniel Dunbar 8211d31055 GetSourceVersion: Strip off svninfo extra markers, which aren't really part of the version. 
llvm-svn: 115074
 2010-09-29 19:30:17 +00:00
Benjamin Kramer 0aea752f6d Remove PointerTracking tests. 
llvm-svn: 115072
 2010-09-29 19:20:35 +00:00
Devang Patel a1bd5a1fad Assign DW_ACCESS_public accessibility attribute to members by default. 
llvm-svn: 115067
 2010-09-29 19:08:08 +00:00
Jim Grosbach 0860520527 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 23ebf4b319 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 af995f0ee5 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 2b43c1cf42 implement rdar://8491845 - Gas supports commuted forms of non-commutable instructions. 
llvm-svn: 115061
 2010-09-29 18:39:16 +00:00
Owen Anderson d67ca0ed4c Revert r114919, which caused some serious regressions on ARM. 
llvm-svn: 115053
 2010-09-29 18:05:19 +00:00
Daniel Dunbar afd363e65b utils: Add GetRepositoryPath script, patch by Jonathan Mulder! 
- Also, fix indention in GetSourceVersion while in the area.

llvm-svn: 115048
 2010-09-29 17:57:01 +00:00
Bob Wilson 97bf273870 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
Jason W Kim f7c51c33f9 Undoing test commit blank space. 
llvm-svn: 115045
 2010-09-29 17:39:29 +00:00