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Commit Graph

78848 Commits

Author SHA1 Message Date
Michael J. Spencer
faebf11a34 Cleanup whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146521 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 23:16:15 +00:00
Jim Grosbach
863d2af947 Thumb2 assembler aliases for "mov(shifted register)"
rdar://10549767


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146520 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 22:45:11 +00:00
Jim Grosbach
27debd60a1 ARM LDM/STM system instruction variants.
rdar://10550269

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146519 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 21:48:29 +00:00
Jim Grosbach
b0659873e6 Thumb2 pre/post indexed stores can be from any non-PC GPR.
rdar://10549786

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146518 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 21:10:25 +00:00
Jim Grosbach
0da6e867cf Test for 146516
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146517 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 21:06:59 +00:00
Jim Grosbach
d7ea73a490 Thumb2 tweak for ccout handling in RSB parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146516 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 21:06:41 +00:00
Jim Grosbach
55b02f28c1 ARM thumb2 parsing of "rsb rd, rn, ".
rdar://10549741


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146515 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 20:50:38 +00:00
Jim Grosbach
0f293de207 ARM NEON two-operand aliases for VQDMULH.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146514 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 20:40:37 +00:00
Jim Grosbach
e91e7bcadc ARM pre-UAL NEG mnemonic for convenience when porting old code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146511 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 20:23:22 +00:00
Jim Grosbach
f10154010e ARM add some more pre-UAL VFP mnemonics for convenience when porting old code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146508 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 20:13:48 +00:00
Jim Grosbach
485d8bf7e5 ARM add more 'gas' compatibility aliases for NEON instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146507 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 20:08:32 +00:00
Kostya Serebryany
1ff33e52c3 mention AddressSanitizer in 3.1 release notes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146505 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 19:46:24 +00:00
Kostya Serebryany
085cb8f0b9 [asan] report an error if blacklist file contains a malformed regex. fixes asan issue 17
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 19:34:53 +00:00
Chad Rosier
8a9bce978f [fast-isel] Unaligned loads of floats are not supported. Therefore, convert to a regular
load and then move the result from a GPR to a FPR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146502 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 19:22:14 +00:00
Chris Lattner
21e1b7a13c Rip llvm 3.0 out of the release notes, making room for LLVM 3.1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146493 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 17:55:30 +00:00
Chad Rosier
5bd83345c7 [fast-isel] Remove SelectInsertValue() as fast-isel wasn't designed to handle
instructions that define aggregate types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146492 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 17:45:06 +00:00
Bill Wendling
4762f75251 Avoid using the 'insertvalue' instruction here.
Fast ISel isn't able to handle 'insertvalue' and it causes a large slowdown
during -O0 compilation. We don't necessarily need to generate an aggregate of
the values here if they're just going to be extracted directly afterwards.
<rdar://problem/10530851>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146481 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 09:22:43 +00:00
Nick Lewycky
13aaca5edf DW_AT_accessibility is "constant" class, not form class, so it may not use
DW_FORM_flag. Use DW_FORM_data1 for one byte.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146475 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 05:09:11 +00:00
Akira Hatanaka
d1472e8657 Add test/MC/Mips/dg.exp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146472 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 04:12:49 +00:00
Akira Hatanaka
692be5491a Move direct object emitter test to directory test/MC/Mips. Rename it to
elf-relsym.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146470 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 03:50:34 +00:00
Akira Hatanaka
044a784fa5 Expand .cprestore directive to multiple instructions if the offset does not fit
in a 16-bit field.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146469 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 03:09:05 +00:00
Akira Hatanaka
f3315cf65f Relocation against a symbol, instead of against section. We had some extreme
test cases where there were a lot of relocations applied relative to a large
rodata section. Gas would create a symbol for each of these whereas we would
be relative to the beginning of the rodata section. This change mimics what
gas does.

Patch by Jack Carter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 02:27:40 +00:00
Chandler Carruth
6f20c61e07 Don't default the *cached* list of targets to build to an explicit list
of the targets we know about. Because this is cached, rebuilds won't
detect when new targets show up. It's also a bit simpler to just say
"all". If users want to restrict the target set, they can still do so,
and then the cache will preserve what they have explicitly set this
field to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146467 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 02:19:11 +00:00
Chandler Carruth
63974b2144 Initial CodeGen support for CTTZ/CTLZ where a zero input produces an
undefined result. This adds new ISD nodes for the new semantics,
selecting them when the LLVM intrinsic indicates that the undef behavior
is desired. The new nodes expand trivially to the old nodes, so targets
don't actually need to do anything to support these new nodes besides
indicating that they should be expanded. I've done this for all the
operand types that I could figure out for all the targets. Owners of
various targets, please review and let me know if any of these are
incorrect.

Note that the expand behavior is *conservatively correct*, and exactly
matches LLVM's current behavior with these operations. Ideally this
patch will not change behavior in any way. For example the regtest suite
finds the exact same instruction sequences coming out of the code
generator. That's why there are no new tests here -- all of this is
being exercised by the existing test suite.

Thanks to Duncan Sands for reviewing the various bits of this patch and
helping me get the wrinkles ironed out with expanding for each target.
Also thanks to Chris for clarifying through all the discussions that
this is indeed the approach he was looking for. That said, there are
likely still rough spots. Further review much appreciated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146466 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 01:56:10 +00:00
Bill Wendling
a349539f87 Use the example from clang, not the GCC frontend, which doesn't exist anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146461 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 01:07:07 +00:00
Andrew Trick
d56ef8d709 Cleanup. Clarify LSRInstance public methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146459 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 00:55:33 +00:00
Jakob Stoklund Olesen
2e29024d2e Account for CPE alignment when searching for new water.
Constant pool entries with different alignment may cause more alignment
padding to be inserted. Compute the amount of padding needed, and try to
pick the location that requires the least amount of padding.

Also take the extra padding into account when the water is above the
use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146458 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 00:44:30 +00:00
NAKAMURA Takumi
e97b4990e1 Target/Hexagon: Fix CMake build. We don't use add_llvm_library_dependencies().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146457 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 00:36:04 +00:00
Nick Lewycky
5a3d4c9830 Don't rely on a particular version string for llvm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146456 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 00:34:14 +00:00
Tony Linthicum
781907b2b8 Temporarily disable Hexagon tests. They are failing on OS X
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146455 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 00:33:45 +00:00
Chad Rosier
f2a745efe5 [fast-isel] Guard "exhastive" fast-isel output with -fast-isel-verbose2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-13 00:05:11 +00:00
Chad Rosier
1619df0652 Add BitcodeVerifier.cpp to CMakeList.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146442 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 23:11:26 +00:00
Nick Lewycky
bf47c76278 Fix unused value warning for value used only in assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146440 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:59:34 +00:00
Chad Rosier
b3025864e5 Begin sketching out a bitcode verifier pass. Idea is to emit a .bc file and
then read the file back in to verify use-list serialization/deserialization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146439 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:57:31 +00:00
Andrew Trick
86d34100cf Indvars: guard against exponential behavior in isHighCostExpansion.
This should always be done as a matter of principal. I don't have a
case that exposes the problem. I just noticed this recently while
scanning the code and realized I meant to fix it long ago.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146438 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:46:16 +00:00
Daniel Dunbar
e5609abccb llvm-build: Switch to using the common subdirectory list instead of
autodiscovery.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146437 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:45:59 +00:00
Daniel Dunbar
b0c594fd42 LLVMBuild: Introduce a common section which currently has a list of the
subdirectories to traverse into.
 - Originally I wanted to avoid this and just autoscan, but this has one key
   flaw in that new subdirectories can not automatically trigger a rerun of the
   llvm-build tool. This is particularly a pain when switching back and forth
   between trees where one has added a subdirectory, as the dependencies will
   tend to be wrong. This will also eliminates FIXME implicitly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146436 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:45:54 +00:00
Daniel Dunbar
54d8c7fc03 llvm-build: Don't write out the required_libraries list for "special" components, it is generated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146435 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:45:41 +00:00
Daniel Dunbar
a3217165c6 llvm-build: Add sketchy support for preserving comments when using
--write-llvmbuild.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146434 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:45:35 +00:00
Akira Hatanaka
dcfc2eaf62 Test case for r146432 by Jack Carter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:41:39 +00:00
Akira Hatanaka
6e55ff56b8 Emit B (unconditional branch) when -relocation-model=pic and J (jump) when
-relocation-model=static.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146432 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:39:35 +00:00
Akira Hatanaka
bfcb83fa32 Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146431 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:38:19 +00:00
Pete Cooper
4777ebb767 Fixed register allocator splitting a live range on a spilling variable.
If we create new intervals for a variable that is being spilled, then those new intervals are not guaranteed to also spill.  This means that anything reading from the original spilling value might not get the correct value if spills were missed.

Fixes <rdar://problem/10546864>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146428 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 22:16:27 +00:00
Tony Linthicum
22614a02eb fix warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146420 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 21:52:59 +00:00
Bob Wilson
9cd2b9562d Implement 'e' and 'f' modifiers for Neon inline asm. <rdar://problem/10551006>
These modifiers simply select either the low or high D subregister of a Neon
Q register.  I've also removed the unimplemented 'p' modifier, which turns out
to be a bit different than the comment here suggests and as far as I can tell
was only intended for internal use in Apple's version of gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146417 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 21:45:15 +00:00
Tony Linthicum
b4b54153ad Hexagon backend support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 21:14:40 +00:00
Joerg Sonnenberger
127a669d09 Only replace fwrite with fputc, if the return value is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 20:18:31 +00:00
Daniel Dunbar
4ab406d7fc LLVMBuild: Remove trailing newline, which irked me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 19:48:00 +00:00
Dan Gohman
59a1c93e95 When computing reverse-CFG reverse-post-order, skip backedges, as
detected in the forward-CFG DFS. This prevents the reverse-CFG from
visiting blocks inside loops after blocks that dominate them in the
case where loops have multiple exits.

No testcase, because this fixes a bug which in practice only shows
up in a full optimizer run, due to the use-list order.

This fixes rdar://10422791 and others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146408 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 19:42:25 +00:00
Jan Sjödin
37e7ecf52b XOP instructions and encoding tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 19:37:49 +00:00