Mark Lacey [Wed, 14 Aug 2013 23:50:09 +0000 (23:50 +0000)]
Notify LiveRangeEdit of new virtual registers.
Add a delegate class to MachineRegisterInfo with a single virtual
function, MRI_NoteNewVirtualRegister(). Update LiveRangeEdit to inherit
from this delegate class and override the definition of the callback
with an implementation that tracks the newly created virtual registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188435
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Mark Lacey [Wed, 14 Aug 2013 23:50:04 +0000 (23:50 +0000)]
Track new virtual registers by register number.
Track new virtual registers by register number, rather than by the live
interval created for them. This is the first step in separating the
creation of new virtual registers and new live intervals. Eventually
live intervals will be created and populated on demand after the virtual
registers have been created and used in instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188434
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Tom Stellard [Wed, 14 Aug 2013 23:25:00 +0000 (23:25 +0000)]
R600/SI: Improve legalization of vector operations
This should fix hangs in the OpenCL piglit tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188431
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Tom Stellard [Wed, 14 Aug 2013 23:24:53 +0000 (23:24 +0000)]
R600/SI: Replace v1i32 type with i32 in imageload and sample intrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188430
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Tom Stellard [Wed, 14 Aug 2013 23:24:45 +0000 (23:24 +0000)]
R600/SI: Convert v16i8 resource descriptors to i128
Now that compute support is better on SI, we can't continue using v16i8
for descriptors since this is also a legal type in OpenCL.
This patch fixes numerous hangs with the piglit OpenCL test and since
we now use a target specific DAG node for LOAD_CONSTANT with the
correct MemOperandFlags, this should also fix:
https://bugs.freedesktop.org/show_bug.cgi?id=66805
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188429
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Tom Stellard [Wed, 14 Aug 2013 23:24:37 +0000 (23:24 +0000)]
R600/SI: Use i8 types for resource descriptors in tests
We switched from i32 to i8 types a while ago and the tests were never
updated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188428
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Tom Stellard [Wed, 14 Aug 2013 23:24:32 +0000 (23:24 +0000)]
R600/SI: Lower BUILD_VECTOR to REG_SEQUENCE v2
Using REG_SEQUENCE for BUILD_VECTOR rather than a series of INSERT_SUBREG
instructions should make it easier for the register allocator to coalasce
unnecessary copies.
v2:
- Use an SGPR register class if all the operands of BUILD_VECTOR are
SGPRs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188427
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Tom Stellard [Wed, 14 Aug 2013 23:24:24 +0000 (23:24 +0000)]
R600/SI: Choose the correct MOV instruction for copying immediates
The instruction selector will now try to infer the destination register
so it can decided whether to use V_MOV_B32 or S_MOV_B32 when copying
immediates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188426
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Tom Stellard [Wed, 14 Aug 2013 23:24:17 +0000 (23:24 +0000)]
R600/SI: Assign a register class to the $vaddr operand for MIMG instructions
The previous code declared the operand as unknown:$vaddr, which made
it possible for scalar registers to be used instead of vector registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188425
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Daniel Dunbar [Wed, 14 Aug 2013 23:15:39 +0000 (23:15 +0000)]
[llvm-build] Make Py3 compatible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188424
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Peter Collingbourne [Wed, 14 Aug 2013 22:28:36 +0000 (22:28 +0000)]
DataFlowSanitizer: move abilist input file to Inputs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188423
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David Blaikie [Wed, 14 Aug 2013 22:23:05 +0000 (22:23 +0000)]
DebugInfo: Prefer references over pointers, pass by const reference for a type that will grow in the future
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188422
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Tom Stellard [Wed, 14 Aug 2013 22:22:14 +0000 (22:22 +0000)]
R600/SI: Handle MSAA texture targets
Patch by: Marek Olšák
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188421
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Tom Stellard [Wed, 14 Aug 2013 22:22:09 +0000 (22:22 +0000)]
R600/SI: Allow conversion between v32i8 and v8i32
Patch by: Marek Olšák
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188420
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Tom Stellard [Wed, 14 Aug 2013 22:22:03 +0000 (22:22 +0000)]
R600/SI: Fix an obvious typo
Patch by: Marek Olšák
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188419
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Tom Stellard [Wed, 14 Aug 2013 22:21:57 +0000 (22:21 +0000)]
R600/SI: Add pattern for fp_to_uint
This fixes the F2U opcode for the Mesa driver.
Patch by: Marek Olšák
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188418
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Daniel Dunbar [Wed, 14 Aug 2013 22:21:11 +0000 (22:21 +0000)]
[lit] Add test coverage of gtest format.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188417
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Daniel Dunbar [Wed, 14 Aug 2013 22:21:01 +0000 (22:21 +0000)]
[lit] Ensure test output is converted to strings where possible.
- This cleans up the text output of failing tests when run under PY3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188416
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Mark Lacey [Wed, 14 Aug 2013 22:11:42 +0000 (22:11 +0000)]
Fix small typo: s/succ/Succ/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188415
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Peter Collingbourne [Wed, 14 Aug 2013 20:51:38 +0000 (20:51 +0000)]
DataFlowSanitizer: Instrumentation for memset.
Differential Revision: http://llvm-reviews.chandlerc.com/D1395
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188412
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Hal Finkel [Wed, 14 Aug 2013 20:05:04 +0000 (20:05 +0000)]
Actually fix PPC64 64-bit GPR inline asm constraint matching
This is a follow-up to r187693, correcting that code to request the correct
register class. The previous version, with the wrong register class, was not
really correcting the constraints, but rather was removing them. Coincidentally,
this fixed the failing test case in r187693, but obviously created other
problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188407
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Peter Collingbourne [Wed, 14 Aug 2013 18:54:12 +0000 (18:54 +0000)]
DataFlowSanitizer: greylist is now ABI list.
This replaces the old incomplete greylist functionality with an ABI
list, which can provide more detailed information about the ABI and
semantics of specific functions. The pass treats every function in
the "uninstrumented" category in the ABI list file as conforming to
the "native" (i.e. unsanitized) ABI. Unless the ABI list contains
additional categories for those functions, a call to one of those
functions will produce a warning message, as the labelling behaviour
of the function is unknown. The other supported categories are
"functional", "discard" and "custom".
- "discard" -- This function does not write to (user-accessible) memory,
and its return value is unlabelled.
- "functional" -- This function does not write to (user-accessible)
memory, and the label of its return value is the union of the label of
its arguments.
- "custom" -- Instead of calling the function, a custom wrapper __dfsw_F
is called, where F is the name of the function. This function may wrap
the original function or provide its own implementation.
Differential Revision: http://llvm-reviews.chandlerc.com/D1345
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188402
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Daniel Dunbar [Wed, 14 Aug 2013 18:22:41 +0000 (18:22 +0000)]
[lit] Support parsing scripts with inconsistent or invalid encodings.
- For whatever reason, we have a lot of test files with bogus unicode
characters. This patch allows those scripts to still be parsed on Python3 by
changing the parsing logic to work on binary files, and only require the
actual script commands to be convertible to ascii.
- This patch has been tweaked to now ensure that the command strings are not of
unicode type on Python 2.6-7.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188398
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Reid Kleckner [Wed, 14 Aug 2013 18:21:51 +0000 (18:21 +0000)]
Use the MSVC __cpuid intrinsic instead of inline asm
This works around PR16830 in LLVM when self-hosting clang on Windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188397
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Jakob Stoklund Olesen [Wed, 14 Aug 2013 17:28:52 +0000 (17:28 +0000)]
Remove unnecessary parameter to RenumberValues.
Patch by Matthias Braun!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188393
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Jakob Stoklund Olesen [Wed, 14 Aug 2013 17:28:49 +0000 (17:28 +0000)]
Remove unused function.
Patch by Matthias Braun!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188392
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Jakob Stoklund Olesen [Wed, 14 Aug 2013 17:28:46 +0000 (17:28 +0000)]
Improve misleading comment.
Patch by Matthias Braun!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188391
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Jakob Stoklund Olesen [Wed, 14 Aug 2013 17:28:44 +0000 (17:28 +0000)]
Remove declaration of nonexistant function.
Patch by Matthias Braun!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188390
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Jakob Stoklund Olesen [Wed, 14 Aug 2013 17:28:42 +0000 (17:28 +0000)]
LiveIntervalUnion is not used in RegAllocBase.
Patch by Matthias Braun!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188389
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Jakob Stoklund Olesen [Wed, 14 Aug 2013 17:28:39 +0000 (17:28 +0000)]
Remove unused struct/enum
Patch by Matthias Braun!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188388
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Alexey Samsonov [Wed, 14 Aug 2013 17:09:30 +0000 (17:09 +0000)]
llvm-symbolizer: add support for .gnu_debuglink section
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188386
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Renato Golin [Wed, 14 Aug 2013 16:35:29 +0000 (16:35 +0000)]
Let t2LDRBi8 and t2LDRBi12 have same Base Pointer
When determining if two different loads are from the same base address,
this patch allows one load to use a t2LDRi8 address mode and another to
use a t2LDRi12 address mode. The current implementation is very
conservative and this allows the case of differing Thumb2 byte loads to
be considered. Allowing these differing modes instead of forcing the exact
same opcode is useful for situations where one opcodes loads from a base
address+1 and a second opcode loads for a base address-1.
Patch by Daniel Stewart.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188385
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Benjamin Kramer [Wed, 14 Aug 2013 16:18:47 +0000 (16:18 +0000)]
Sphinx refuses to render this code block. Try adding a newline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188382
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Alexey Samsonov [Wed, 14 Aug 2013 16:03:29 +0000 (16:03 +0000)]
Expose CRC-32 implementation from zlib
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188380
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Daniel Dunbar [Wed, 14 Aug 2013 15:55:25 +0000 (15:55 +0000)]
Revert r188376, "[lit] Support parsing scripts with inconsistent or invalid encodings.", this doesn't work yet for bots using the internal shell.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188379
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Tim Northover [Wed, 14 Aug 2013 15:27:20 +0000 (15:27 +0000)]
Add the C99 hex-float assembly syntax to our extension document.
As Ben pointed out, GAS doesn't support this syntax so we should give at least
some warning that it might not be portable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188377
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Daniel Dunbar [Wed, 14 Aug 2013 15:24:58 +0000 (15:24 +0000)]
[lit] Support parsing scripts with inconsistent or invalid encodings.
- For whatever reason, we have a lot of test files with bogus unicode
characters. This patch allows those scripts to still be parsed on Python3 by
changing the parsing logic to work on binary files, and only require the
actual script commands to be convertible to ascii.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188376
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Tim Northover [Wed, 14 Aug 2013 14:55:54 +0000 (14:55 +0000)]
Add test-case for hex floating-literals
Somehow I forgot to test one of the error conditions I'd added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188372
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Tim Northover [Wed, 14 Aug 2013 14:23:31 +0000 (14:23 +0000)]
Support C99 hexadecimal floating-point literals in assembly
It's useful to be able to write down floating-point numbers without having to
worry about what they'll be rounded to (as C99 discovered), this extends that
ability to the MC assembly parsers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188370
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Chandler Carruth [Wed, 14 Aug 2013 08:56:41 +0000 (08:56 +0000)]
Fix a really terrifying but improbable bug in mem2reg. If you have seen
extremely subtle miscompilations (such as a load getting replaced with
the value stored *below* the load within a basic block) related to
promoting an alloca to an SSA value, there is the dim possibility that
you hit this. Please let me know if you won this unfortunate lottery.
The first half of mem2reg's core logic (as it is used both in the
standalone mem2reg pass and in SROA) builds up a mapping from
'Instruction *' to the index of that instruction within its basic block.
This allows quickly establishing which store dominate a particular load
even for large basic blocks. We cache this information throughout the
run of mem2reg over a function in order to amortize the cost of
computing it.
This is not in and of itself a strange pattern in LLVM. However, it
introduces a very important constraint: absolutely no instruction can be
deleted from the program without updating the mapping. Otherwise a newly
allocated instruction might get the same pointer address, and then end
up with a wrong index. Yes, LLVM routinely suffers from a *single
threaded* variant of the ABA problem. Most places in LLVM don't find
avoiding this an imposition because they don't both delete and create
new instructions iteratively, but mem2reg *loves* to do this... All the
time. Fortunately, the mem2reg code was really careful about updating
this cache to handle this eventuallity... except when it comes to the
debug declare intrinsic. Oops. The fix is to invalidate that pointer in
the cache when we delete it, the same as we do when deleting alloca
instructions and other instructions.
I've also caused the same bug in new code while working on a fix to
PR16867, so this seems to be a really unfortunate pattern. Hopefully in
subsequent patches the deletion of dead instructions can be consolidated
sufficiently to make it less likely that we'll see future occurences of
this bug.
Sorry for not having a test case, but I have literally no idea how to
reliably trigger this kind of thing. It may be single-threaded, but it
remains an ABA problem. It would require a really amazing number of
stars to align.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188367
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Craig Topper [Wed, 14 Aug 2013 07:53:41 +0000 (07:53 +0000)]
Make more helper methods into static functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188366
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Craig Topper [Wed, 14 Aug 2013 07:35:18 +0000 (07:35 +0000)]
Remove tab characters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188365
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Craig Topper [Wed, 14 Aug 2013 07:34:43 +0000 (07:34 +0000)]
Make some helper methods static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188364
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Craig Topper [Wed, 14 Aug 2013 07:04:42 +0000 (07:04 +0000)]
Use MVT in more lowering code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188363
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Craig Topper [Wed, 14 Aug 2013 06:21:10 +0000 (06:21 +0000)]
Replace EVT with MVT in isVectorShift. Keeps compiler from generating unneeded checks and handling for extended types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188362
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Craig Topper [Wed, 14 Aug 2013 05:58:39 +0000 (05:58 +0000)]
Replace EVT with MVT in many of the shuffle lowering functions. Keeps compiler from generating unneeded checks and handling for extended types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188361
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Daniel Dunbar [Wed, 14 Aug 2013 05:07:16 +0000 (05:07 +0000)]
[lit] Fix a relative import issue I missed earlier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188360
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Daniel Dunbar [Wed, 14 Aug 2013 05:07:13 +0000 (05:07 +0000)]
[lit] Avoid StringIO.
- We barely used it, and it is very hard to use in a 2.5-3 compatible
way because of changing expectations for its input types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188359
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Daniel Dunbar [Wed, 14 Aug 2013 05:07:09 +0000 (05:07 +0000)]
[lit] Fix tests to execute lit with same python as invoked with.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188358
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Daniel Dunbar [Wed, 14 Aug 2013 05:07:04 +0000 (05:07 +0000)]
[lit] Factor ShTest format script command parsing from other processing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188357
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Daniel Dunbar [Wed, 14 Aug 2013 05:07:01 +0000 (05:07 +0000)]
[lit] Move executeCommand() into lit.util.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188356
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Daniel Dunbar [Wed, 14 Aug 2013 05:06:55 +0000 (05:06 +0000)]
[lit] Move formats into their own subpackage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188355
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NAKAMURA Takumi [Wed, 14 Aug 2013 03:34:49 +0000 (03:34 +0000)]
[CMake] add_llvm_library: Specify explicit suffix .imp to import library to avoid a warning between profile_rt-static and profile_rt-shared with lib/profile_rt.lib.
FIXME: It seems MS version of profile_rt.dll doesn't contain any export symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188351
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NAKAMURA Takumi [Wed, 14 Aug 2013 02:26:31 +0000 (02:26 +0000)]
Lit: Introduce "%/[STpst] into parseIntegratedTestScript(), to normalize substitutions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188348
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Akira Hatanaka [Wed, 14 Aug 2013 01:15:52 +0000 (01:15 +0000)]
[mips] Fix bug in parsing accumulator registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188344
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Akira Hatanaka [Wed, 14 Aug 2013 01:02:20 +0000 (01:02 +0000)]
[mips] Use register operands instead of register classes in DSP instruction
definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188343
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Akira Hatanaka [Wed, 14 Aug 2013 00:53:38 +0000 (00:53 +0000)]
[mips] Rename DSPRegs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188342
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Akira Hatanaka [Wed, 14 Aug 2013 00:47:08 +0000 (00:47 +0000)]
[mips] Rename HIRegs and LORegs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188341
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NAKAMURA Takumi [Wed, 14 Aug 2013 00:46:00 +0000 (00:46 +0000)]
llvm/test/CodeGen/X86/setcc-sentinals.ll: Relax expressions for x86_64-win32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188340
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Matt Arsenault [Wed, 14 Aug 2013 00:24:38 +0000 (00:24 +0000)]
Fix always creating GEP with i32 indices
Use the pointer size if datalayout is available.
Use i64 if it's not, which is consistent with what other
places do when the pointer size is unknown.
The test doesn't really test this in a useful way
since it will be transformed to that later anyway,
but this now tests it for non-zero arrays and when
datalayout isn't available. The cases in
visitGetElementPtrInst should save an extra re-visit to
the newly created GEP since it won't need to cleanup after
itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188339
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Matt Arsenault [Wed, 14 Aug 2013 00:24:34 +0000 (00:24 +0000)]
Use type helper functions instead of cast
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188338
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Matt Arsenault [Wed, 14 Aug 2013 00:24:05 +0000 (00:24 +0000)]
Use array initializer, space around operator
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188337
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Akira Hatanaka [Wed, 14 Aug 2013 00:21:25 +0000 (00:21 +0000)]
[mips] Properly parse registers that appear in inline-asm constraints.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188336
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Hal Finkel [Tue, 13 Aug 2013 23:34:32 +0000 (23:34 +0000)]
BBVectorize: Add initial stores to the write set when tracking uses
When computing the use set of a store, we need to add the store to the write
set prior to iterating over later instructions. Otherwise, if there is a later
aliasing load of that store, that load will not be tagged as a use, and bad
things will happen.
trackUsesOfI still adds later dependent stores of an instruction to that
instruction's write set, but it never sees the original instruction, and so
when tracking uses of a store, the store must be added to the write set by the
caller.
Fixes PR16834.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188329
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Nick Lewycky [Tue, 13 Aug 2013 22:55:05 +0000 (22:55 +0000)]
Remove duplicate copy of testcase in r188327.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188328
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Nick Lewycky [Tue, 13 Aug 2013 22:51:58 +0000 (22:51 +0000)]
Revert r187191, which broke opt -mem2reg on the testcases included in PR16867.
However, opt -O2 doesn't run mem2reg directly so nobody noticed until r188146
when SROA started sending more things directly down the PromoteMemToReg path.
In order to revert r187191, I also revert dependent revisions r187296, r187322
and r188146. Fixes PR16867. Does not add the testcases from that PR, but both
of them should get added for both mem2reg and sroa when this revert gets
unreverted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188327
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Jack Carter [Tue, 13 Aug 2013 22:34:26 +0000 (22:34 +0000)]
[Mips][msa] Value types for MSA support.
Added v8f16 to ValueTypes.h, ValueTypes.cpp, ValueTypes.td,
and CodeGenTarget.cpp
Patch by Daniel Sanders
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188326
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Hans Wennborg [Tue, 13 Aug 2013 22:23:05 +0000 (22:23 +0000)]
Options: explicit handling of --
Clients of the option parsing library should handle it explicitly
using a KIND_REMAINING_ARGS option.
Clang and lld have been updated in r188316 and r188318, respectively.
Also fix -Wsign-compare warning in the option parsing test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188323
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Jim Grosbach [Tue, 13 Aug 2013 21:30:58 +0000 (21:30 +0000)]
DAG: Combine (and (setne X, 0), (setne X, -1)) -> (setuge (add X, 1), 2)
A common idiom is to use zero and all-ones as sentinal values and to
check for both in a single conditional ("x != 0 && x != (unsigned)-1").
That generates code, for i32, like:
testl %edi, %edi
setne %al
cmpl $-1, %edi
setne %cl
andb %al, %cl
With this transform, we generate the simpler:
incl %edi
cmpl $1, %edi
seta %al
Similar improvements for other integer sizes and on other platforms. In
general, combining the two setcc instructions into one is better.
rdar://
14689217
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188315
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Hans Wennborg [Tue, 13 Aug 2013 21:09:50 +0000 (21:09 +0000)]
Options: Add new option kind that consumes remaining arguments
This adds KIND_REMAINING_ARGS, a class of options that consume
all remaining arguments on the command line.
This will be used to support /link in clang-cl, which is used
to forward all remaining arguments to the linker.
It also allows us to remove the hard-coded handling of "--",
allowing clients (clang and lld) to implement that functionality
themselves with this new option class.
Differential Revision: http://llvm-reviews.chandlerc.com/D1387
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188314
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Jack Carter [Tue, 13 Aug 2013 20:54:07 +0000 (20:54 +0000)]
[Mips][msa] Added initial MSA support.
* msa SubtargetFeature
* registers
* ld.[bhwd], and st.[bhwd] instructions
Does not correctly prohibit use of both 32-bit FPU registers and MSA together.
Patch by Daniel Sanders
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188313
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Jack Carter [Tue, 13 Aug 2013 20:19:16 +0000 (20:19 +0000)]
[Mips] Support for unaligned load/store microMips instructions
This includes instructions lwl, lwr, swl and swr.
Patch by Zoran Jovnovic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188312
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Daniel Dunbar [Tue, 13 Aug 2013 19:08:48 +0000 (19:08 +0000)]
[lit] Support use of setup.py from other directories.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188309
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Michael Gottesman [Tue, 13 Aug 2013 17:54:56 +0000 (17:54 +0000)]
Update makeLibCall to return both the call and the chain associated with the libcall instead of just the call. This allows us to specify libcalls that return void.
LowerCallTo returns a pair with the return value of the call as the first
element and the chain associated with the return value as the second element. If
we lower a call that has a void return value, LowerCallTo returns an SDValue
with a NULL SDNode and the chain for the call. Thus makeLibCall by just
returning the first value makes it impossible for you to set up the chain so
that the call is not eliminated as dead code.
I also updated all references to makeLibCall to reflect the new return type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188300
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Carlo Kok [Tue, 13 Aug 2013 17:46:57 +0000 (17:46 +0000)]
Output DW_AT_stmt_list dwarf debug info as DW_FORM_sec_offset instead of DW_FORM_data4 as it is a section offset (fixes the coff/dwarf debug info statement locations)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188297
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Carlo Kok [Tue, 13 Aug 2013 17:45:53 +0000 (17:45 +0000)]
For COFF only: dwarf debug info output a label reference as a section relative item only when it's one of dw_from strp, sec_offset, ref_addr or op_call_ref instead of going by size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188296
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Dmitry Vyukov [Tue, 13 Aug 2013 16:52:41 +0000 (16:52 +0000)]
dfsan: fix lint warnings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188293
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Joey Gouly [Tue, 13 Aug 2013 16:40:47 +0000 (16:40 +0000)]
ARMv8: SWP and SWPB are obsoleted on ARMv8.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188288
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Arnold Schwaighofer [Tue, 13 Aug 2013 16:12:04 +0000 (16:12 +0000)]
Also remove logic in LateVectorize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188285
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Arnold Schwaighofer [Tue, 13 Aug 2013 15:51:25 +0000 (15:51 +0000)]
Remove logic that decides whether to vectorize or not depending on O-levels
I have moved this logic into clang and opt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188281
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Evgeniy Stepanov [Tue, 13 Aug 2013 14:04:20 +0000 (14:04 +0000)]
Fix compiler warnings.
../lib/Target/X86/X86ISelLowering.cpp:9715:7: error: unused variable 'OpVT' [-Werror,-Wunused-variable]
EVT OpVT = Op0.getValueType();
^
../lib/Target/X86/X86ISelLowering.cpp:9763:14: error: unused variable 'NumElems' [-Werror,-Wunused-variable]
unsigned NumElems = VT.getVectorNumElements();
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188269
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Mihai Popa [Tue, 13 Aug 2013 14:02:13 +0000 (14:02 +0000)]
Fix signed overflow in when computing encodings for ADR instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188268
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Elena Demikhovsky [Tue, 13 Aug 2013 13:24:07 +0000 (13:24 +0000)]
AVX-512: Added CMP and BLEND instructions.
Lowering for SETCC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188265
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Vladimir Medic [Tue, 13 Aug 2013 13:07:09 +0000 (13:07 +0000)]
This patch introduces changes to MipsAsmParser register parsing routines. The code now follows more deterministic path and makes the code more efficient and easier to maintain.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188264
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Benjamin Kramer [Tue, 13 Aug 2013 09:57:55 +0000 (09:57 +0000)]
GCC warns about removing const with a c-style cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188259
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Evgeniy Stepanov [Tue, 13 Aug 2013 07:57:01 +0000 (07:57 +0000)]
Pass DIEHash::collectAttributes output argument by-pointer instead of by-value.
Before this, collectAttributes() was operating on a local object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188254
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David Majnemer [Tue, 13 Aug 2013 01:23:53 +0000 (01:23 +0000)]
[-cxx-abi microsoft] Stick zero initialized symbols into the .bss section for COFF
Summary:
We need to do two things:
- Initialize BSSSection in MCObjectFileInfo::InitCOFFMCObjectFileInfo
- Teach TargetLoweringObjectFileCOFF::SelectSectionForGlobal what to do
with it
This fixes PR16861.
Reviewers: rnk
Reviewed By: rnk
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D1361
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188244
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Eric Christopher [Tue, 13 Aug 2013 01:21:55 +0000 (01:21 +0000)]
Add the start of DIE hashing for DWARF4 type units and split dwarf
CUs.
Currently only hashes the name of CUs and the names of any children,
but it's an obvious first step to show the framework. The testcase
should continue to be correct, however, as it's an empty TU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188243
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Nick Lewycky [Tue, 13 Aug 2013 00:03:47 +0000 (00:03 +0000)]
Fix an oversight in isPotentiallyReachable where we wouldn't do any CFG-walking
to find loops if the From and To instructions were in the same block.
Refactor the code a little now that we need to fill to start the CFG-walking
algorithm with more than one starting basic block sometimes.
Special thanks to Andrew Trick for catching an error in my understanding of
natural loops in code review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188236
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Eric Christopher [Mon, 12 Aug 2013 23:59:26 +0000 (23:59 +0000)]
Add comment and source to testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188234
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Eric Christopher [Mon, 12 Aug 2013 23:59:24 +0000 (23:59 +0000)]
Reflow comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188233
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Eric Christopher [Mon, 12 Aug 2013 23:59:18 +0000 (23:59 +0000)]
Remove empty constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188232
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Matt Arsenault [Mon, 12 Aug 2013 23:15:58 +0000 (23:15 +0000)]
Slightly simplify code with helper functions
e.g. Use Ty->getPointerElementType()
instead of cast<PointerType>(Ty)->getElementType()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188223
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Rui Ueyama [Mon, 12 Aug 2013 23:05:59 +0000 (23:05 +0000)]
[FileCheck] Fix a bug that cause FileCheck to misidentify check-prefix
FileCheck should check to make sure the prefix was found, and not a word
containing it (e.g -check-prefix=BASEREL shouldn't match NOBASEREL).
Patch by Ron Ofir.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188221
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Michael J. Spencer [Mon, 12 Aug 2013 22:59:14 +0000 (22:59 +0000)]
[Object/ELF] sh_type is not a bitfield. Fixes RuntimeDyld test failure on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188220
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Matt Arsenault [Mon, 12 Aug 2013 22:56:15 +0000 (22:56 +0000)]
Add some braces, and spaces around operators
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188219
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Kevin Enderby [Mon, 12 Aug 2013 22:45:44 +0000 (22:45 +0000)]
Fix a crash with X86 Mach-O and a subtraction expression where both symbols are
undefined and produce an error message instead as this is a non-relocatable
expression with X86 Mach-O.
rdar://
8920876
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188218
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Peter Collingbourne [Mon, 12 Aug 2013 22:38:43 +0000 (22:38 +0000)]
Reapply r188119 now that the bug it exposed is fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188217
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Peter Collingbourne [Mon, 12 Aug 2013 22:38:39 +0000 (22:38 +0000)]
DataFlowSanitizer: fix a use-after-free. Spotted by libgmalloc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188216
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Tom Stellard [Mon, 12 Aug 2013 22:33:21 +0000 (22:33 +0000)]
R600: Set scheduling preference to Sched::Source
R600 doesn't need to do any scheduling on the SelectionDAG now that it
has a very good MachineScheduler. Also, using the VLIW SelectionDAG
scheduler was having a major impact on compile times. For example with
the phatk kernel here are the LLVM IR to machine code compile times:
With Sched::VLIW
Total Compile Time: 1.4890 Seconds (User + System)
SelectionDAG Instruction Scheduling: 1.1670 Seconds (User + System)
With Sched::Source
Total Compile Time: 0.3330 Seconds (User + System)
SelectionDAG Instruction Scheduling: 0.0070 Seconds (User + System)
The code ouput was identical with both schedulers. This may not be true
for all programs, but it gives me confidence that there won't be much
reduction, if any, in code quality by using Sched::Source.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188215
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