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Author SHA1 Message Date
Sean Silva
fdb6ec34cd docs: Fix long-standing typo in yaml2obj.rst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164407 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 19:48:16 +00:00
Chad Rosier
6018944afd Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164406 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 19:25:59 +00:00
Dan Gohman
ee9f726749 Say "bytes" instead of "address units", since that's what the 
rest of LangRef uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164402 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 18:41:30 +00:00
Dan Gohman
273a92eb0a Document the new !tbaa.struct metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164398 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 18:21:48 +00:00
David Blaikie
b890e9fc66 Add missing 'to' and rephrase an explanation of GCC's assumptions. 
Wordsmithing by Matt Beaumont-Gay in response to r164389.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164395 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 18:03:02 +00:00
David Blaikie
67bf429a6a Document "do not use defaults in covered switch-over-enum" coding standard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164389 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 17:47:36 +00:00
Benjamin Kramer
28aff84ceb LoopIdiom: Give up when the loop is not in canonical form. 
We rely on it when doing the transforms. This can happen when there is an
indirectbr in  the loop.

Fixes PR13892.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164383 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 17:27:23 +00:00
Chad Rosier
e5e674ba11 [fast-isel] Fallback to SelectionDAG isel if we require strict alignment for 
non-aligned i32 loads/stores.
rdar://12304911

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164381 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 16:58:35 +00:00
Benjamin Kramer
e5bd3cf000 InstCombine: Make sure we use the pre-zext type when creating a constant of a value that is zext'd. 
Fixes PR13250.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164377 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 16:26:41 +00:00
Bill Wendling
30b483c940 Encapsulate the "construct*AlignmentFromInt" functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164373 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 16:07:28 +00:00
Michael Liao
ba4388656c Fix a typo in r164357 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164372 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 16:03:03 +00:00
Dmitri Gribenko
9d227af8f7 Clarify comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164371 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 15:26:34 +00:00
Bill Wendling
ef99fe8efa Make the 'get*AlignmentFromAttr' functions into member functions within the Attributes class. Now with fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164370 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 15:26:31 +00:00
Benjamin Kramer
122f5e5a5b BitcodeReader: Correctly insert blockaddress constant referring to a already parsed function. 
We inserted a placeholder that was never replaced because the function was
already visited. Assert that all placeholders have been resolved when tearing
down the bitcode reader.

Fixes PR13895.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164369 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 14:34:31 +00:00
Alexey Samsonov
01fa41a106 Fix SymbolRef::getAddress implementation for ELF. The 'value' field in symbol table entry should be treated differently for relocatable and relocated files. This patch fixes symbol addresses printed by llvm-nm for executables and shared objects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164365 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 07:08:08 +00:00
NAKAMURA Takumi
f17422181f llvm/test/CodeGen/X86/pr5145.ll: Tweak expressions to match for darwin target. 
.LBB0_1: # Linux
LBB0_1:  # Darwin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164362 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 05:19:19 +00:00
Andrew Trick
2f1d5d44c0 Cortex-A9 latency fixes (w/ -schedmodel only). 
Quick review against the manual revealed a few obvious mistakes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164361 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 05:06:40 +00:00
Michael Liao
fe87c302aa Add missing i8 max/min/umax/umin support 
- Fix PR5145 and turn on test 8-bit atomic ops



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164358 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 03:18:52 +00:00
Michael Liao
0838249a6a Revise td of X86 atomic instructions 
- Rewirte most atomic instructions in templates for both better
  maintenance and future extensions, such as HLE in TSX.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164357 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 03:00:17 +00:00
Sean Silva
258aeb5762 docs: Fix Sphinx warning over Atomics.rst. 
Atomics.rst was not linked into the toctree.

Docs now build warning-free!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164356 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 02:46:32 +00:00
Sean Silva
5cc1e23247 docs: Fix Sphinx warning over yaml2obj.rst. 
yaml2obj.rst was not included in the toctree

Input from Michael Spencer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164355 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 02:46:30 +00:00
NAKAMURA Takumi
b377635592 Mips16FrameLowering.cpp: Remove unused TII introduced in r164349. [-Wunused-variable] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164354 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 02:21:30 +00:00
NAKAMURA Takumi
df03a28990 llvm/test/CodeGen/ARM/fast-isel.ll: Fix possible typos, s/@unaligned_i16_store/@unaligned_i16_load/g. 
I guess this had apparently passed in +Asserts possibly due to verborsity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164350 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 01:15:05 +00:00
Akira Hatanaka
0fdf3b029b Properly save and restore RA and Mips16 callee save registers S0,S1 
Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164349 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 01:08:16 +00:00
Chad Rosier
3ca380d8d7 Testcase does not need to be this strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164347 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 00:47:08 +00:00
Chad Rosier
ba6aec2cf3 Add newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164346 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 00:43:18 +00:00
Chad Rosier
d70c98e884 [fast-isel] Fallback to SelectionDAG isel if we require strict alignment for 
non-halfword-aligned i16 loads/stores.
rdar://12304911

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164345 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 00:41:42 +00:00
Jim Grosbach
d314ab525d Tidy up. Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164344 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 00:36:42 +00:00
Jim Grosbach
1f9f599e70 Tidy up. Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164343 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 00:26:53 +00:00
Jim Grosbach
ced674e470 ARM: Use a dedicated intrinsic for vector bitwise select. 
The expression based expansion too often results in IR level optimizations
splitting the intermediate values into separate basic blocks, preventing
the formation of the VBSL instruction as the code author intended. In
particular, LICM would often hoist part of the computation out of a loop.

rdar://11011471

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164340 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 00:18:20 +00:00
Jakob Stoklund Olesen
e6e2d8cd90 Ignore PHI-defs for -new-coalescer interference checks. 
A PHI can't create interference on its own. If two live ranges interfere
at a PHI, they must also interfere when leaving one of the PHI
predecessors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164330 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 23:08:42 +00:00
Jakob Stoklund Olesen
2df8ac84ae Extend -new-coalescer SSA update to handle mapped values as well. 
The old-fashioned many-to-one value mapping doesn't always work when
merging vector lanes. A value can map to multiple different values, and
it can even be necessary to insert new PHIs.

When a value number is defined by a copy from a value number that
required SSa update, include the live range of the copied value number
in the SSA update as well. It is not necessarily a copy of the original
value number any longer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164329 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 23:08:39 +00:00
Eric Christopher
d57ae39a88 Only emit DW_AT_object_pointer if this is a definition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164326 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 22:51:57 +00:00
Manman Ren
554da1a222 SimplifyCFG: sink common codes from IF, ELSE blocks down to END block. 
We already have HoistThenElseCodeToIf, this patch implements
SinkThenElseCodeToEnd. When END block has only two predecessors and each
predecessor terminates with unconditional branches, we compare instructions in
IF and ELSE blocks backwards and check whether we can sink the common
instructions down.

rdar://12191395


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164325 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 22:37:36 +00:00
Evan Cheng
2dad6b501b Try to make these tests more portable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164320 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 21:35:21 +00:00
Benjamin Kramer
902ba576fd Fix broken check lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164317 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 19:54:13 +00:00
Andrew Trick
e9f59888d4 Fix function names in coding style examples 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164311 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 17:02:04 +00:00
Bill Wendling
4aa189909a Revert r164308 to fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164309 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 16:59:57 +00:00
Bill Wendling
f2e89e00b4 Make the 'get*AlignmentFromAttr' functions into member functions within the Attributes class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164308 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 16:27:05 +00:00
Bill Wendling
342cea9a0a Remove more bare uses of the different Attribute enums. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164307 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 15:20:36 +00:00
Roman Divacky
c1611d8d10 Specify cpu to get the correct instruction ordering. Remove XFAIL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164306 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 14:59:42 +00:00
Bill Wendling
8ce1e432d1 Make the 'getAsString' function a method of the Attributes class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164305 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 14:44:42 +00:00
Nadav Rotem
6dfabb6cc7 Fix 80-col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164297 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 08:53:31 +00:00
Tim Northover
a668b46733 Make sure lli compiles all code before invalidating instruction caches. 
Patch from Amara Emerson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164296 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 08:46:30 +00:00
Craig Topper
aa258442b9 Change enum type in a static table to uint8_t instead. Saves about 700 hundred bytes of static data. Change unsigned char in same table to uint8_t for explicitness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164285 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 06:14:08 +00:00
Michael Liao
85fb261a55 Specify CPu to prevent failure on ATOM due to different code scheduling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164283 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 03:34:04 +00:00
Sean Silva
f5b69f630c Fix Sphinx warnings. 
Toctree was not being interlinked properly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164282 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 03:20:53 +00:00
Michael Liao
b118a073d7 Re-work X86 code generation of atomic ops with spin-loop 
- Rewrite/merge pseudo-atomic instruction emitters to address the
  following issue:
  * Reduce one unnecessary load in spin-loop

    previously the spin-loop looks like

        thisMBB:
        newMBB:
          ld  t1 = [bitinstr.addr]
          op  t2 = t1, [bitinstr.val]
          not t3 = t2  (if Invert)
          mov EAX = t1
          lcs dest = [bitinstr.addr], t3  [EAX is implicit]
          bz  newMBB
          fallthrough -->nextMBB

    the 'ld' at the beginning of newMBB should be lift out of the loop
    as lcs (or CMPXCHG on x86) will load the current memory value into
    EAX. This loop is refined as:

        thisMBB:
          EAX = LOAD [MI.addr]
        mainMBB:
          t1 = OP [MI.val], EAX
          LCMPXCHG [MI.addr], t1, [EAX is implicitly used & defined]
          JNE mainMBB
        sinkMBB:

  * Remove immopc as, so far, all pseudo-atomic instructions has
    all-register form only, there is no immedidate operand.

  * Remove unnecessary attributes/modifiers in pseudo-atomic instruction
    td

  * Fix issues in PR13458

- Add comprehensive tests on atomic ops on various data types.
  NOTE: Some of them are turned off due to missing functionality.

- Revise tests due to the new spin-loop generated.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164281 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 03:06:15 +00:00
Sean Silva
1141b5227e Sphinxify DebuggingJITedCode 
LGTM by Michael Spencer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164280 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 03:05:26 +00:00
Andrew Trick
331e8fb760 Fix static function names in CodingStandards examples. 
Try not to violate conventions immediately before explaining them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164278 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-20 02:01:06 +00:00