Benjamin Kramer [Fri, 9 May 2014 09:48:03 +0000 (09:48 +0000)]
[asan] Stop leaking X86Operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208400
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Sanders [Fri, 9 May 2014 09:46:21 +0000 (09:46 +0000)]
[mips][mips64r6] Add experimental support for MIPS32r6 and MIPS64r6
Summary:
Adds MIPS32r6/MIPS64r6 and checks the compatibility requirements for these
processors.
I've also included comments to describe removed and re-encoded instructions,
along with placeholder def's for the new instructions but there are no
functional changes to codegen at this point.
Reviewers: jkolek, vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3622
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208399
91177308-0d34-0410-b5e6-
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Daniel Sanders [Fri, 9 May 2014 09:32:01 +0000 (09:32 +0000)]
[mips] Added missing daddu test to the valid instruction tests.
Summary: Depends on D3673
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3674
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208398
91177308-0d34-0410-b5e6-
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Daniel Sanders [Fri, 9 May 2014 09:24:49 +0000 (09:24 +0000)]
[mips] Added missing dsra -> dsrav and sra -> srav aliases.
Summary: dsll, dsrl, sll, and srl already exist.
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3673
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208397
91177308-0d34-0410-b5e6-
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Alp Toker [Fri, 9 May 2014 08:57:32 +0000 (08:57 +0000)]
MemoryBuffer: don't force mmap when stat fails
Fix error handling introduced in r127426 that could result in MemoryBuffers not
having null termination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208396
91177308-0d34-0410-b5e6-
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Alp Toker [Fri, 9 May 2014 08:57:06 +0000 (08:57 +0000)]
MemoryBuffer: remove unusued definitions
These were made redundant back in r186560.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208395
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 9 May 2014 08:18:33 +0000 (08:18 +0000)]
test/TableGen: Remove XFAIL:vg_leak out of 3 tests corresponding to r208293.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208393
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 9 May 2014 02:56:16 +0000 (02:56 +0000)]
Don't indent inside a namespace. Don't duplicate a function name in comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208389
91177308-0d34-0410-b5e6-
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David Blaikie [Fri, 9 May 2014 02:26:36 +0000 (02:26 +0000)]
Remove use of = default/= delete as they're unsupported on MSVC2012
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208388
91177308-0d34-0410-b5e6-
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Saleem Abdulrasool [Fri, 9 May 2014 00:58:32 +0000 (00:58 +0000)]
ARM: support PIC on Windows on ARM
Handle lowering of global addresses for PIC mode compilation on Windows. Always
use the movw/movt load to load the address as Windows on ARM requires ARMv7+ and
is a pure Thumb environment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208385
91177308-0d34-0410-b5e6-
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Nick Lewycky [Fri, 9 May 2014 00:49:03 +0000 (00:49 +0000)]
printCustom is only used in PseudoSourceValue, remove it from Value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208383
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 9 May 2014 00:36:18 +0000 (00:36 +0000)]
Add missing linkage predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208379
91177308-0d34-0410-b5e6-
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Lang Hames [Fri, 9 May 2014 00:11:18 +0000 (00:11 +0000)]
[RuntimeDyld] Unify the RuntimeDyldMachO resolve.*Relocation method signatures
around RelocationEntries, rather than passing the same information via loose
arguments.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208375
91177308-0d34-0410-b5e6-
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Filipe Cabecinhas [Thu, 8 May 2014 23:16:08 +0000 (23:16 +0000)]
Optimize shufflevector that copies an i64/f64 and zeros the rest.
Summary:
Also ran clang-format on the function. The code added is the last else
if block.
Reviewers: nadav, craig.topper, delena
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D3518
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208372
91177308-0d34-0410-b5e6-
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Quentin Colombet [Thu, 8 May 2014 23:12:27 +0000 (23:12 +0000)]
[TargetInstrInfo] Fix the implementation of commuteInstruction to match the
comment of the API.
Relaxes the behavior of TargetInstrInfo::commuteInstruction when
TargetInstrInfo::findCommutedOpIndices returns false.
Previously TargetInstrInfo triggered a fatal error in such situation whereas based
on the comment in the API it should just return nullptr. Indeed the only
precondition that should be ensured is that the instruction must be commutable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208371
91177308-0d34-0410-b5e6-
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Nick Lewycky [Thu, 8 May 2014 23:04:46 +0000 (23:04 +0000)]
Improve wording to make it sounds more like a change than an analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208370
91177308-0d34-0410-b5e6-
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Justin Bogner [Thu, 8 May 2014 22:45:07 +0000 (22:45 +0000)]
test/CodeGen: Check that the correct register is used in a store
This tightens up r208351 to ensure that a store is fed with the
correct value.
Thanks to Quentin Colombet for spotting this!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208368
91177308-0d34-0410-b5e6-
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David Blaikie [Thu, 8 May 2014 22:24:51 +0000 (22:24 +0000)]
Reapply r207876 (Try simplifying LexicalScopes ownership again) including a workaround for an MSVC2012 bug regarding forward_as_tuple
(r207876 was reverted in r208131 after seeing some consistent buildbot
failure for MSVC 2012. The original commits were in r207724-r207726)
Takumi was nice enough to dig into this and locate this Microsoft
Connect issue:
http://connect.microsoft.com/VisualStudio/feedback/details/814899/forward-as-tuple-debug-implementation-error
describing a bug in MSVC2012's forward_as_tuple implementation.
Since the parameters in this instance are trivial/small, pass them by
value (using make_tuple) instead of perfectly-forwarded tuple of rvalue
references (involving the broken forward_as_tuple). Hopefully this will
satisfy MSVC2012.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208364
91177308-0d34-0410-b5e6-
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David Blaikie [Thu, 8 May 2014 21:53:33 +0000 (21:53 +0000)]
Missed formatting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208362
91177308-0d34-0410-b5e6-
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David Blaikie [Thu, 8 May 2014 21:52:29 +0000 (21:52 +0000)]
StringMap: Move assignment and move construction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208361
91177308-0d34-0410-b5e6-
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David Blaikie [Thu, 8 May 2014 21:52:26 +0000 (21:52 +0000)]
StringMap: Replace faux-copyability with faux-movability, which is sufficient.
This behavior was added to support StringMaps of StringMaps, default +
move construction are sufficient for this.
Real move construction support coming soon (& probably copy construction
too).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208360
91177308-0d34-0410-b5e6-
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David Blaikie [Thu, 8 May 2014 21:52:23 +0000 (21:52 +0000)]
StringMap support for move-only values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208359
91177308-0d34-0410-b5e6-
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Tobias Grosser [Thu, 8 May 2014 21:43:19 +0000 (21:43 +0000)]
Correct formatting.
Sorry for the commit spam. My clang-format crashed on me and the vim
plugin did not print an error, but instead just left the formatting
untouched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208358
91177308-0d34-0410-b5e6-
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Tobias Grosser [Thu, 8 May 2014 21:32:59 +0000 (21:32 +0000)]
Use std::remove_if to remove elements from a vector
Suggested-by: Benjamin Kramer <benny.kra@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208357
91177308-0d34-0410-b5e6-
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Michael Zolotukhin [Thu, 8 May 2014 19:50:24 +0000 (19:50 +0000)]
[InstCombine] Some cleanup in optimization of redundant insertvalue instructions.
And one more test added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208355
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 8 May 2014 19:30:17 +0000 (19:30 +0000)]
Use range loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208353
91177308-0d34-0410-b5e6-
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Justin Bogner [Thu, 8 May 2014 18:53:56 +0000 (18:53 +0000)]
Make a CodeGen test more robust against vector register selection
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208351
91177308-0d34-0410-b5e6-
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Jyotsna Verma [Thu, 8 May 2014 18:47:08 +0000 (18:47 +0000)]
[Hexagon] Add new InstrItinClass to support timing classes.
This patch doesn't introduce any functionality change. Test cases will be
added later when v5 support is added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208349
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 8 May 2014 18:40:06 +0000 (18:40 +0000)]
Use for range loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208348
91177308-0d34-0410-b5e6-
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Sebastian Pop [Thu, 8 May 2014 18:38:58 +0000 (18:38 +0000)]
add testcase for r208237: do not collect undef terms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208347
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 8 May 2014 18:17:44 +0000 (18:17 +0000)]
Use range loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208346
91177308-0d34-0410-b5e6-
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Matt Arsenault [Thu, 8 May 2014 18:01:56 +0000 (18:01 +0000)]
R600: Promote f64 vector load/stores to i64 for consistency
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208344
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 8 May 2014 17:57:50 +0000 (17:57 +0000)]
Use a range loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208343
91177308-0d34-0410-b5e6-
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Andrea Di Biagio [Thu, 8 May 2014 17:44:04 +0000 (17:44 +0000)]
[X86] Add target specific combine rules to fold SSE2/AVX2 packed arithmetic shift intrinsics.
This patch teaches the backend how to combine packed SSE2/AVX2 arithmetic shift
intrinsics.
The rules are:
- Always fold a packed arithmetic shift by zero to its first operand;
- Convert a packed arithmetic shift intrinsic dag node into a ISD::SRA only if
the shift count is known to be smaller than the vector element size.
This patch also teaches to function 'getTargetVShiftByConstNode' how fold
target specific vector shifts by zero.
Added two new tests to verify that the DAGCombiner is able to fold
sequences of SSE2/AVX2 packed arithmetic shift calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208342
91177308-0d34-0410-b5e6-
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Saleem Abdulrasool [Thu, 8 May 2014 17:11:29 +0000 (17:11 +0000)]
test: fix test on Windows
When building on Windows, the default target is Windows. Windows on ARM does
not support ARM mode compilation, resulting in test failures. Simply specify a
triple to ensure that we are testing the correct behaviour.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208340
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Thu, 8 May 2014 17:06:10 +0000 (17:06 +0000)]
Mark test/TableGen/listconcat.td as XFAIL:vg_leak. llvm-tblgen is ignorant of vg_leak.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208337
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 8 May 2014 16:12:31 +0000 (16:12 +0000)]
[mips] Add PredicateControl to InstAlias's
Summary:
No functional change
Depends on D3649
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3672
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208334
91177308-0d34-0410-b5e6-
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Bradley Smith [Thu, 8 May 2014 15:40:39 +0000 (15:40 +0000)]
[ARM64] Add diagnostics for expected arithmetic shifts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208330
91177308-0d34-0410-b5e6-
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Bradley Smith [Thu, 8 May 2014 15:39:58 +0000 (15:39 +0000)]
[ARM64] Re-work parsing of ADD/SUB shifted immediate operands
The parsing of ADD/SUB shifted immediates needs to be done explicitly so
that better diagnostics can be emitted, as a side effect this also
removes some of the hacks in the current method of handling this operand
type.
Additionally remove manual CMP aliasing to ADD/SUB and use InstAlias
instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208329
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 8 May 2014 15:17:29 +0000 (15:17 +0000)]
[mips] Correct tests that are meant to test valid assembly. They were actually rejected by GAS.
Summary:
I've noticed a bug in my test generator script that caused 64-bit objects
to be disassembled as if it were using the O32 ABI, giving the wrong register
names. As a result, it generated assembly files that are rejected by GAS when
assembling for the correct ABI. This was caused by the generator setting the
ELF e_flags incorrectly before disassembling the object.
This patch corrects the invalid tests that have already been committed by
replacing the ABI-dependent register names with numeric registers. In addition
to fixing the tests this allows the 32-bit and 64-bit ISA tests to be easily diffed
to produce the invalid-*.s tests which test that instructions defined in later ISA's
are not accepted.
Depends on D3648
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208327
91177308-0d34-0410-b5e6-
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Bradley Smith [Thu, 8 May 2014 14:12:12 +0000 (14:12 +0000)]
[ARM64] Ensure immediates in extend operands are in a valid range
Also emit a more useful diagnostic when they are not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208318
91177308-0d34-0410-b5e6-
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Bradley Smith [Thu, 8 May 2014 14:11:16 +0000 (14:11 +0000)]
[ARM64] Check for proper immediate in shift/extend operands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208317
91177308-0d34-0410-b5e6-
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Christian Pirker [Thu, 8 May 2014 14:06:24 +0000 (14:06 +0000)]
ARM big endian function argument passing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208316
91177308-0d34-0410-b5e6-
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Hal Finkel [Thu, 8 May 2014 13:42:57 +0000 (13:42 +0000)]
Fix a spelling error
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208314
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 8 May 2014 13:02:11 +0000 (13:02 +0000)]
[mips] Implement l[wd]c3, and s[wd]c3.
Summary:
These instructions were added in MIPS-I, and MIPS-II but were removed in
MIPS-III. Interestingly, GAS continues to accept them when assembling for
MIPS-III.
For the moment, these instructions will follow GAS and accept them for
MIPS-III and newer but this will be tightened up when the invalid-*.s
tests are added.
Depends on D3647
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3648
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208311
91177308-0d34-0410-b5e6-
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Ed Maste [Thu, 8 May 2014 13:00:15 +0000 (13:00 +0000)]
Add isOSFreeBSD triple test
For http://reviews.llvm.org/D3448
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208309
91177308-0d34-0410-b5e6-
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Dario Domizioli [Thu, 8 May 2014 12:54:43 +0000 (12:54 +0000)]
Revert test commit. Removed blank line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208308
91177308-0d34-0410-b5e6-
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James Molloy [Thu, 8 May 2014 12:53:50 +0000 (12:53 +0000)]
[ARM64-BE] Teach fast-isel about how to set up sub-word stack arguments for big endian calls.
SelectionDAG already knows about this, but fast-isel was ignorant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208307
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 8 May 2014 12:40:48 +0000 (12:40 +0000)]
[mips] Marked up instructions added in MIPS-II and tested that IAS for -mcpu=mips1 does not accept them
Summary:
A small number of instructions are rejected with the wrong error message.
These have been placed in a separate test for now. There seems to be some
parsing quirk that triggers when these instructions are disabled.
Depends on D3571
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3647
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208305
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 8 May 2014 11:51:18 +0000 (11:51 +0000)]
[mips] Implement tlbp, tlbr, tlbwi, and tlbwr
Reviewers: vmedic, dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3571
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208301
91177308-0d34-0410-b5e6-
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Dario Domizioli [Thu, 8 May 2014 11:28:14 +0000 (11:28 +0000)]
Test commit. Added blank line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208298
91177308-0d34-0410-b5e6-
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Tim Northover [Thu, 8 May 2014 10:30:56 +0000 (10:30 +0000)]
ARM64: make sure FastISel emits SSA MachineInstrs
We need to use a temporary register for a 2-step operation like REM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208297
91177308-0d34-0410-b5e6-
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Evgeniy Stepanov [Thu, 8 May 2014 09:55:24 +0000 (09:55 +0000)]
[asan] Preserve flags in asm instrumentation.
Patch by Yuri Gorshenin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208296
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 8 May 2014 09:29:28 +0000 (09:29 +0000)]
Use a vector of unique_ptrs to fix a memory leak introduced in r208179.
Also removed an inaccurate comment that stated that a DenseMap was used as
storage for the ListInit*'s. It's currently using a FoldingSet.
I expect there's a better way to fix this but I haven't found it yet. FoldingSet
is incompatible with the Pool template and I'm not sure if FoldingSet can be
safely replaced with a DenseMap of computed FoldingSetID's to ListInit*'s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208293
91177308-0d34-0410-b5e6-
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Hal Finkel [Thu, 8 May 2014 09:14:44 +0000 (09:14 +0000)]
Move late partial-unrolling thresholds into the processor definitions
The old method used by X86TTI to determine partial-unrolling thresholds was
messy (because it worked by testing target features), and also would not
correctly identify the target CPU if certain target features were disabled.
After some discussions on IRC with Chandler et al., it was decided that the
processor scheduling models were the right containers for this information
(because it is often tied to special uop dispatch-buffer sizes).
This does represent a small functionality change:
- For generic x86-64 (which uses the SB model and, thus, will get some
unrolling).
- For AMD cores (because they still currently use the SB scheduling model)
- For Haswell (based on benchmarking by Louis Gerbarg, it was decided to bump
the default threshold to 50; we're working on a test case for this).
Otherwise, nothing has changed for any other targets. The logic, however, has
been moved into BasicTTI, so other targets may now also opt-in to this
functionality simply by setting LoopMicroOpBufferSize in their processor
model definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208289
91177308-0d34-0410-b5e6-
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Tobias Grosser [Thu, 8 May 2014 07:55:34 +0000 (07:55 +0000)]
Revert "SCEV: Use I = vector<>.erase(I) to iterate and delete at the same time"
as committed in r208282. The original commit was incorrect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208286
91177308-0d34-0410-b5e6-
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Hao Liu [Thu, 8 May 2014 07:38:13 +0000 (07:38 +0000)]
AArch64/ARM64: Port NEON post-increment load/store with 2/3/4 vectors to ARM64 backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208284
91177308-0d34-0410-b5e6-
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Tobias Grosser [Thu, 8 May 2014 07:12:44 +0000 (07:12 +0000)]
SCEV: Use I = vector<>.erase(I) to iterate and delete at the same time
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208282
91177308-0d34-0410-b5e6-
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Richard Smith [Thu, 8 May 2014 02:34:32 +0000 (02:34 +0000)]
[modules] Add missing #include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208276
91177308-0d34-0410-b5e6-
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Saleem Abdulrasool [Thu, 8 May 2014 01:41:04 +0000 (01:41 +0000)]
test: fix silly typo
Oh silly Darwin and your case insensitive file system.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208274
91177308-0d34-0410-b5e6-
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Saleem Abdulrasool [Thu, 8 May 2014 01:35:57 +0000 (01:35 +0000)]
ARM: support FK_SecRel_2 relocations on WoA
This adds FK_SecRel_2 relocation support to ARM. This enables the building of
object files for armv7-windows-msvc which enables CodeView line tables for
debugging as opposed to armv7-windows-itanium which currently uses DWARF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208273
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Richard Smith [Thu, 8 May 2014 01:08:43 +0000 (01:08 +0000)]
Simplify and fix incorrect comment. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208272
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Filipe Cabecinhas [Thu, 8 May 2014 00:25:16 +0000 (00:25 +0000)]
Lower certain build_vectors to insertps instructions
Summary:
Vectors built with zeros and elements in the same order as another
(source) vector are optimized to be built using a single insertps
instruction.
Also optimize when we move one element in a vector to a different place
in that vector while zeroing out some of the other elements.
Further optimizations are possible, described in TODO comments.
I will be implementing at least some of them in the near future.
Added some tests for different cases where this optimization triggers.
Reviewers: nadav, delena, craig.topper
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D3521
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208271
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Lang Hames [Wed, 7 May 2014 23:35:53 +0000 (23:35 +0000)]
Back out r208257 while I investigate tester failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208267
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Duncan P. N. Exon Smith [Wed, 7 May 2014 23:00:22 +0000 (23:00 +0000)]
GlobalValue: Assert symbols with local linkage have default visibility
The change to ExtractGV.cpp has no functionality change except to avoid
the asserts. Existing testcases already cover this, so I didn't add a
new one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208264
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Duncan P. N. Exon Smith [Wed, 7 May 2014 22:57:20 +0000 (22:57 +0000)]
IR: Don't allow non-default visibility on local linkage
Visibilities of `hidden` and `protected` are meaningless for symbols
with local linkage.
- Change the assembler to reject non-default visibility on symbols
with local linkage.
- Change the bitcode reader to auto-upgrade `hidden` and `protected`
to `default` when the linkage is local.
- Update LangRef.
<rdar://problem/
16141113>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208263
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Duncan P. N. Exon Smith [Wed, 7 May 2014 22:55:46 +0000 (22:55 +0000)]
LTO: Assert visibility of local linkage when merging symbols
`ModuleLinker::getLinkageResult()` shouldn't create symbols with local
linkage and non-default visibility -- in fact, symbols with local
linkage shouldn't be merged at all. Assert to that effect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208262
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Duncan P. N. Exon Smith [Wed, 7 May 2014 22:53:14 +0000 (22:53 +0000)]
LTO: Check local linkage first
Since visibility is meaningless for symbols with local linkage, check
local linkage before visibility when setting symbol attributes.
When linkage is `internal` and the visibility is `hidden`, the exposed
attribute is now `LTO_SYMBOL_SCOPE_INTERNAL` instead of
`LTO_SYMBOL_SCOPE_HIDDEN`. Although the bitfield allows *both* to be
specified, the combination is nonsense anyway.
Given changes (in progress) to drop visibility when a symbol has local
linkage, this almost has no functionality change: it's mostly a cleanup
to clarify the logic.
The exception is when something has `appending` linkage. Before this
change, such symbols would be advertised as `LTO_SYMBOL_SCOPE_INTERNAL`;
now, they'll be given `LTO_SYMBOL_SCOPE_COMMON`.
Unfortunately this is really awkward to test. This only changes what we
advertise to linkers (before running LTO), not what the final object
looks like. In theory I could add `DEBUG` output to `llvm-lto` (and
test with "REQUIRES: asserts"), but follow-up commits to disallow
`internal hidden` simplify this anyway.
<rdar://problem/
16141113>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208261
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Quentin Colombet [Wed, 7 May 2014 22:52:58 +0000 (22:52 +0000)]
[X86] Add a test case for r208252.
Prior to r208252, the FMA 231 family was marked as isCommutable. However the
memory variants of this family are not commutable. Therefore, we did not
implemented the findCommutedOpIndices for those variants and missed that
the default implementation (more or less: commute indices 1 and 2) was
firing behind our back.
As a result, as demonstrated in the test case before the fix, we were
transforming a = b * c + a into a = a * c + b.
I.e., before r208252 we were generating for this test case:
vmovaps %xmm0, %xmm1
vmoss (%rsi), %xmm0
vfmadd231ss (%rdi), %xmm1, %xmm0
Instead of:
vmoss (%rsi), %xmm1
vfmadd231ss (%rdi), %xmm1, %xmm0
<rdar://problem/
16800495>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208260
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Lang Hames [Wed, 7 May 2014 22:34:08 +0000 (22:34 +0000)]
[RuntimeDyld] Make RuntimeDyldImpl::resolveExternalSymbols preserve the
relocation entries it applies.
Prior to this patch, RuntimeDyldImpl::resolveExternalSymbols discarded
relocations for external symbols once they had been applied. This causes issues
if the client calls MCJIT::finalizeLoadedModules more than once, and updates the
location of any symbols in between (e.g. by calling MCJIT::mapSectionAddress).
No test case yet: None of our in-tree memory managers support moving sections
around. I'll have to hack up a dummy memory manager before I can write a unit
test.
Fixes <rdar://problem/
16764378>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208257
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Hal Finkel [Wed, 7 May 2014 22:25:18 +0000 (22:25 +0000)]
[X86TTI] Remove the unrolling branch limits
The loop stream detector (LSD) on modern Intel cores, which optimizes the
execution of small loops, has limits on the number of taken branches in
addition to uop-count limits (modern AMD cores have similar limits).
Unfortunately, at the IR level, estimating the number of branches that will be
taken is difficult. For one thing, it strongly depends on later passes (block
placement, etc.). The original implementation took a conservative approach and
limited the maximal BB DFS depth of the loop. However, fairly-extensive
benchmarking by several of us has revealed that this is the wrong approach. In
fact, there are zero known cases where the branch limit prevents a detrimental
unrolling (but plenty of cases where it does prevent beneficial unrolling).
While we could improve the current branch counting logic by incorporating
branch probabilities, this further complication seems unjustified without a
motivating regression. Instead, unless and until a regression appears, the
branch counting will be removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208255
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Justin Bogner [Wed, 7 May 2014 21:50:43 +0000 (21:50 +0000)]
llvm-cov: Fix some funny indentation (NFC)
Noticed by Duncan Exon Smith. Thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208253
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Quentin Colombet [Wed, 7 May 2014 21:43:35 +0000 (21:43 +0000)]
[X86] Selectively mark the FMA variants inside a family as isCommutable.
Given a FMA family (e.g., 213, 231), not all the variants (i.e., register or
memory) are commutable.
E.g., for the 213 family (with the syntax src1, src2, src3):
fmaXXX213 A, B, reg3/mem3 == fmaXXX213 B, A, reg3/mem3
Now consider the 231 family:
fmaXXX231 A, B, reg3 == fmaXXX231 A, reg3, B
But
fmaXXX231 A, B, mem3 != fmaXXX231 A, mem3, B
Indeed, mem3 cannot be the second argument of the memory variant of fmaXXX231.
Working on a reduced test case!
<rdar://problem/
16800495>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208252
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Eric Christopher [Wed, 7 May 2014 21:05:47 +0000 (21:05 +0000)]
Reformat a couple of functions for clarity.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208248
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Nico Weber [Wed, 7 May 2014 19:55:38 +0000 (19:55 +0000)]
Let OnDiskHashTable call the destructor of its Items.
OnDiskHashTable::insert() calls the Item constructor via placement new, but
nothing called the destructor. This matters in cases when the Info template
parameter has key_type or data_type typedefs that have a destructor, for
example like IdentifierIndexWriterTrait in clang's GlobalModuleIndex.cpp.
This fixes a 5-year old bug that's been around since the OnDiskHashTable code
was added in r64192. Bug found by LSan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208243
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Rafael Espindola [Wed, 7 May 2014 19:52:32 +0000 (19:52 +0000)]
Replace a virtual with an override.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208242
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Jyotsna Verma [Wed, 7 May 2014 19:07:34 +0000 (19:07 +0000)]
[Hexagon] Add New TSFlags to be used in the upcoming patches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208239
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Sebastian Pop [Wed, 7 May 2014 19:00:37 +0000 (19:00 +0000)]
avoid segfaulting
*Quotient and *Remainder don't have to be initialized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208238
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Sebastian Pop [Wed, 7 May 2014 19:00:32 +0000 (19:00 +0000)]
do not collect undef terms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208237
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Matt Arsenault [Wed, 7 May 2014 18:26:58 +0000 (18:26 +0000)]
Fix using wrong result type for setcc.
When reducing the bitwidth of a comparison against a constant, the
original setcc's result type was used, which was incorrect.
No test since I don't think any other in tree targets change the
bitwidth of the setcc type depending on the bitwidth of the compared
type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208236
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Eric Christopher [Wed, 7 May 2014 18:19:04 +0000 (18:19 +0000)]
Debug.h already includes raw_ostream.h, no need to include it again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208235
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Adam Nemet [Wed, 7 May 2014 18:16:02 +0000 (18:16 +0000)]
[Test] Remove c-index-test from the list of substitutions
All the tests are under the clang tests and none should be under llvm moving
forward.
The topic was discussed in this thread:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-
20140428/214905.html
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208234
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Sebastian Pop [Wed, 7 May 2014 18:01:20 +0000 (18:01 +0000)]
split delinearization pass in 3 steps
To compute the dimensions of the array in a unique way, we split the
delinearization analysis in three steps:
- find parametric terms in all memory access functions
- compute the array dimensions from the set of terms
- compute the delinearized access functions for each dimension
The first step is executed on all the memory access functions such that we
gather all the patterns in which an array is accessed. The second step reduces
all this information in a unique description of the sizes of the array. The
third step is delinearizing each memory access function following the common
description of the shape of the array computed in step 2.
This rewrite of the delinearization pass also solves a problem we had with the
previous implementation: because the previous algorithm was by induction on the
structure of the SCEV, it would not correctly recognize the shape of the array
when the memory access was not following the nesting of the loops: for example,
see polly/test/ScopInfo/multidim_only_ivs_3d_reverse.ll
; void foo(long n, long m, long o, double A[n][m][o]) {
;
; for (long i = 0; i < n; i++)
; for (long j = 0; j < m; j++)
; for (long k = 0; k < o; k++)
; A[i][k][j] = 1.0;
Starting with this patch we no longer delinearize access functions that do not
contain parameters, for example in test/Analysis/DependenceAnalysis/GCD.ll
;; for (long int i = 0; i < 100; i++)
;; for (long int j = 0; j < 100; j++) {
;; A[2*i - 4*j] = i;
;; *B++ = A[6*i + 8*j];
these accesses will not be delinearized as the upper bound of the loops are
constants, and their access functions do not contain SCEVUnknown parameters.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208232
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Chandler Carruth [Wed, 7 May 2014 17:37:03 +0000 (17:37 +0000)]
[x86] Make the 'x86-64' cpu, what I see as and many use as the generic
default architecture for reasonable modern x86 processors, actually be
modern. This processor model should essentially be "tuned" for modern
x86 chips as much as possible without undue penalties on any specific
architecture. Previously we weren't even using the nice scheduling
models. There are a few other tweaks needed here, but this change at
least I have benchmarked across a decent swatch of chips (intel's
clovertown, westmere, and sandybridge; amd's istanbul) and seen no
significant regressions.
If anyone has suggested ways to test this, just let me know. Somewhat
alarmingly, no existing tests failed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208230
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Chandler Carruth [Wed, 7 May 2014 17:36:59 +0000 (17:36 +0000)]
Tidy up whitespace with clang-format prior to making significant
changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208229
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Simon Atanasyan [Wed, 7 May 2014 17:06:38 +0000 (17:06 +0000)]
[yaml2obj] Support ELF x86 relocations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208228
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Rafael Espindola [Wed, 7 May 2014 17:04:45 +0000 (17:04 +0000)]
Style update: don't duplicate the function name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208227
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Alexey Samsonov [Wed, 7 May 2014 16:54:00 +0000 (16:54 +0000)]
[CMake] Add build rules for llvm-PerfectShuffle utility
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208225
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Rafael Espindola [Wed, 7 May 2014 16:43:23 +0000 (16:43 +0000)]
Style update: don't duplicate the function name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208224
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Chad Rosier [Wed, 7 May 2014 16:41:55 +0000 (16:41 +0000)]
[ARM64][fast-isel] Disable target specific optimizations at -O0. Functionally,
this patch disables the dead register elimination pass and the load/store pair
optimization pass at -O0. The ILP optimizations don't require the optimization
level to be checked because the call to addILPOpts is predicated with the
necessary check. The AdvSIMDScalar pass is disabled by default at all
optimization levels. This patch leaves that pass disabled by default.
Also, move command-line options into ARM64TargetMachine.cpp and add a few
additional flags to aid in debugging. This fixes an issue with the
-debug-pass=Structure flag where passes were printed, but not actually run
(i.e., AdvSIMDScalar pass).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208223
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Daniel Sanders [Wed, 7 May 2014 16:25:22 +0000 (16:25 +0000)]
[mips] Add highly experimental support for MIPS-I, MIPS-II, MIPS-III, and MIPS-V
Summary:
These processors will only be available for the integrated assembler at
first (CodeGen will emit a fatal error saying they are not implemented).
The intention is to work through the existing instructions and correctly
annotate the ISA they were added in so that we have a sufficiently good
base to start MIPS64r6 development. MIPS64r6 removes/re-encodes certain
instructions and I believe it is best to define ISA's using set-union's
as far as possible rather than using set-subtraction.
Reviewers: vmedic
Subscribers: emaste, llvm-commits
Differential Revision: http://reviews.llvm.org/D3569
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208221
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Justin Bogner [Wed, 7 May 2014 16:01:27 +0000 (16:01 +0000)]
llvm-cov: Explicitly namespace llvm::make_unique to keep MSVC happy
This is a followup to r208171, where a call to make_unique was
disambiguated for MSVC. Disambiguate two more calls, and remove the
comment about it since this is what we do everywhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208219
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Rafael Espindola [Wed, 7 May 2014 14:53:32 +0000 (14:53 +0000)]
Use range loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208218
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Michael Zolotukhin [Wed, 7 May 2014 14:30:18 +0000 (14:30 +0000)]
[InstCombine] Add optimization of redundant insertvalue instructions.
rdar://problem/
11861387
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208214
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Daniel Sanders [Wed, 7 May 2014 14:25:43 +0000 (14:25 +0000)]
[mips] Add FGR_32/FGR_64/GPR_64 adjectives and use then instead of FGRPredicates/GPRPredicates
Summary:
No functional change (confirmed by diffing tablegen-erated files).
Depends on D3642
Reviewers: vmedic, dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3645
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208213
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Daniel Sanders [Wed, 7 May 2014 14:11:46 +0000 (14:11 +0000)]
[mips] Add INSN_<name> adverbs and start using them instead of AdditionalPredicates overrides
Summary:
No functional change
Depends on D3641
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3642
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208212
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Evgeniy Stepanov [Wed, 7 May 2014 14:10:51 +0000 (14:10 +0000)]
[msan] Fix -fsanitize=memory -fno-integrated-as.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208211
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Tim Northover [Wed, 7 May 2014 14:10:27 +0000 (14:10 +0000)]
AArch64/ARM64: optimise vector selects & enable test
When performing a scalar comparison that feeds into a vector select,
it's actually better to do the comparison on the vector side: the
scalar route would be "CMP -> CSEL -> DUP", the vector is "CM -> DUP"
since the vector comparisons are all mask based.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208210
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Daniel Sanders [Wed, 7 May 2014 13:57:22 +0000 (13:57 +0000)]
[mips] Add ISA_<name> adverbs and start using them instead of AdditionalPredicates overrides
Summary:
One small functional change. The recently added PAUSE instruction now has
the HasStdEnc predicate which was accidentally removed by a Requires<>.
Depends on D3640
Reviewers: vmedic
Reviewed By: vmedic
Differential Revision: http://reviews.llvm.org/D3641
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208209
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Rafael Espindola [Wed, 7 May 2014 13:00:43 +0000 (13:00 +0000)]
Remove the UseCFI option from createAsmStreamer.
We were already always passing true, this just removes the option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208205
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