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Reid Kleckner [Wed, 10 Jun 2015 00:04:53 +0000 (00:04 +0000)]
Fix -Wsign-compare warning in WinException.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239445
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Pete Cooper [Tue, 9 Jun 2015 23:33:35 +0000 (23:33 +0000)]
Fix warning of comparing different enums. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239443
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NAKAMURA Takumi [Tue, 9 Jun 2015 23:33:25 +0000 (23:33 +0000)]
Add explicit -mtriple=arm-unknown to llvm/test/CodeGen/ARM/disable-tail-calls.ll, to satisfy *-win32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239442
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Pete Cooper [Tue, 9 Jun 2015 22:35:55 +0000 (22:35 +0000)]
Revert "Move MCSymbol Value in to the union of Offset and CommonSize."
This reverts commit
2e449ec5bcdf67b52b315b16c2128aaf25d5b73c.
This was svn r239440. Its currently failing an ARM test so reverting while I work out
what to do next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239441
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Pete Cooper [Tue, 9 Jun 2015 22:21:37 +0000 (22:21 +0000)]
Move MCSymbol Value in to the union of Offset and CommonSize.
It wasn't possible to have a variable Symbol with offset or 'isCommon' so
this just enables better packing of the MCSymbol class.
Reviewed by Rafael Espindola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239440
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Tobias Edler von Koch [Tue, 9 Jun 2015 22:10:58 +0000 (22:10 +0000)]
[RegisterScavenger] Fix handling of predicated instructions
Summary:
The RegisterScavenger explicitly ignores <kill> flags on operands of
predicated instructions and therefore assumes that such registers remain
live. When it then scavenges such a register, it inserts a spill of this
(killed) register. This is invalid code and gets flagged up by the
verifier.
Nowadays kill flags are set correctly on predicated instructions. This
patch makes the Scavenger respect them.
The bug has so far only been triggered by an internal pass, so I don't
have a test case unfortunately.
Fixes PR23119.
Reviewers: hfinkel, tobiasvk_caf
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9039
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239439
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Alexey Samsonov [Tue, 9 Jun 2015 22:10:29 +0000 (22:10 +0000)]
[BasicBlockUtils] Set debug locations for instructions created in SplitBlockPredecessors.
Test Plan: regression test suite
Reviewers: eugenis, dblaikie
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10343
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239438
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Peter Collingbourne [Tue, 9 Jun 2015 22:09:53 +0000 (22:09 +0000)]
Move dllimport name mangling to IR mangler.
This ensures that LTO clients see the correct external symbol name.
Differential Revision: http://reviews.llvm.org/D10318
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239437
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Jingyue Wu [Tue, 9 Jun 2015 21:50:32 +0000 (21:50 +0000)]
[NVPTX] fix a crash bug in NVPTXFavorNonGenericAddrSpaces
Summary:
We used to assume V->RAUW only modifies the operand list of V's user.
However, if V and V's user are Constants, RAUW may replace and invalidate V's
user entirely.
This patch fixes the above issue by letting the caller replace the
operand instead of calling RAUW on Constants.
Test Plan: @nested_const_expr and @rauw in access-non-generic.ll
Reviewers: broune, jholewinski
Reviewed By: broune, jholewinski
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10345
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239435
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Peter Collingbourne [Tue, 9 Jun 2015 21:50:22 +0000 (21:50 +0000)]
LibDriver, llvm-lib: introduce.
llvm-lib is intended to be a lib.exe compatible utility that also
understands bitcode. The implementation lives in a library so that
lld can use it to implement /lib.
Differential Revision: http://reviews.llvm.org/D10297
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239434
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Reid Kleckner [Tue, 9 Jun 2015 21:42:19 +0000 (21:42 +0000)]
[WinEH] Add 32-bit SEH state table emission prototype
This gets all the handler info through to the asm printer and we can
look at the .xdata tables now. I've convinced one small catch-all test
case to work, but other than that, it would be a stretch to say this is
functional.
The state numbering algorithm avoids doing any scope reconstruction as
we do for C++ to simplify the implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239433
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Chad Rosier [Tue, 9 Jun 2015 20:59:41 +0000 (20:59 +0000)]
[AArch64] Remove an overly conservative check when generating store pairs.
Store instructions do not modify register values and therefore it's safe
to form a store pair even if the source register has been read in between
the two store instructions.
Previously, the read of w1 (see below) prevented the formation of a stp.
str w0, [x2]
ldr w8, [x2, #8]
add w0, w8, w1
str w1, [x2, #4]
ret
We now generate the following code.
stp w0, w1, [x2]
ldr w8, [x2, #8]
add w0, w8, w1
ret
All correctness tests with -Ofast on A57 with Spec200x and EEMBC pass.
Performance results for SPEC2K were within noise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239432
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Pete Cooper [Tue, 9 Jun 2015 20:58:03 +0000 (20:58 +0000)]
Use AlignOf traits to enable static_assert.
This is better than runtime asserts. Thanks to David Blaikie for the help here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239431
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Benjamin Kramer [Tue, 9 Jun 2015 20:41:21 +0000 (20:41 +0000)]
Replace loop with std::equal. NFC intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239430
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Pete Cooper [Tue, 9 Jun 2015 20:41:08 +0000 (20:41 +0000)]
Reduce duplication in MCSymbol Name handling. NFC>
Based on feedback to r239428 by David Blaikie, use const_cast to reduce
duplication of the const and non-const versions of getNameEntryPtr.
Also have that method return the pointer to the name directly instead
of users having to then get the name from the union.
Finally, add a FIXME that we should use a static_assert once available in
the new operator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239429
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Pete Cooper [Tue, 9 Jun 2015 19:56:05 +0000 (19:56 +0000)]
Make MCSymbol::Name be a union of uint64_t and a pointer.
This should hopefully fix the 32-bit bots which were allocating space for a pointer
but needed to be aligned to 64-bits.
Now we allocate enough space for a uint64_t and a pointer and cast to the appropriate storage
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239428
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Akira Hatanaka [Tue, 9 Jun 2015 19:07:19 +0000 (19:07 +0000)]
Remove DisableTailCalls from TargetOptions and the code in resetTargetOptions
that was resetting it.
Remove the uses of DisableTailCalls in subclasses of TargetLowering and use
the value of function attribute "disable-tail-calls" instead. Also,
unconditionally add pass TailCallElim to the pipeline and check the function
attribute at the start of runOnFunction to disable the pass on a per-function
basis.
This is part of the work to remove TargetMachine::resetTargetOptions, and since
DisableTailCalls was the last non-fast-math option that was being reset in that
function, we should be able to remove the function entirely after the work to
propagate IR-level fast-math flags to DAG nodes is completed.
Out-of-tree users should remove the uses of DisableTailCalls and make changes
to attach attribute "disable-tail-calls"="true" or "false" to the functions in
the IR.
rdar://problem/
13752163
Differential Revision: http://reviews.llvm.org/D10099
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239427
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Alexei Starovoitov [Tue, 9 Jun 2015 18:53:30 +0000 (18:53 +0000)]
[bpf] enable BPF backend in autoconf build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239425
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Pete Cooper [Tue, 9 Jun 2015 18:50:18 +0000 (18:50 +0000)]
Change from alignof to llvm::alignOf to appease Visual Studio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239424
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Pete Cooper [Tue, 9 Jun 2015 18:36:13 +0000 (18:36 +0000)]
Allocate space for MCSymbol::Name only if required.
Similarly to User which allocates a number of Use's prior to the this pointer,
allocate space for the Name* for MCSymbol only when we need a name.
Given that an MCSymbol is 48-bytes on 64-bit systems, this saves a decent % of space.
Given the verify_uselistorder test case with debug info and llc, 50k symbols have names
out of 700k so this optimises for the common case of temporary unnamed symbols.
Reviewed by David Blaikie.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239423
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Arnold Schwaighofer [Tue, 9 Jun 2015 18:19:17 +0000 (18:19 +0000)]
MergeFunctions: Don't replace a weak function use by another equivalent weak function
We don't know whether the weak functions definition is the definitive definition.
rdar://
21303727
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239422
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David Blaikie [Tue, 9 Jun 2015 18:01:51 +0000 (18:01 +0000)]
Revert "[DWARF] Fix a few corner cases in expression emission"
This reverts commit r239380 due to apparently GDB regressions:
http://lab.llvm.org:8011/builders/clang-x86_64-ubuntu-gdb-75/builds/22562
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239420
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Samuel Antao [Tue, 9 Jun 2015 16:29:34 +0000 (16:29 +0000)]
The constant initialization for globals in NVPTX is generated as an
array of bytes. The generation of this byte arrays was expecting
the host to be little endian, which prevents big endian hosts to be
used in the generation of the PTX code. This patch fixes the
problem by changing the way the bytes are extracted so that it
works for either little and big endian.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239412
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Eli Bendersky [Tue, 9 Jun 2015 15:57:30 +0000 (15:57 +0000)]
Add more wrappers for symbol APIs to the C API.
This represents some of the functionality we expose in the llvmlite Python
binding.
Patch by Antoine Pitrou
Differential Revision: http://reviews.llvm.org/D10222
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239411
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Alexei Starovoitov [Tue, 9 Jun 2015 15:46:00 +0000 (15:46 +0000)]
[bpf] make BPF backend non-experimental
only cmake build change. autoconf build and docs will follow
email thread:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-June/thread.html#86523
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239410
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Rui Ueyama [Tue, 9 Jun 2015 15:20:42 +0000 (15:20 +0000)]
Remove object_error::success and use std::error_code() instead
make_error_code(object_error) is slow because object::object_category()
uses a ManagedStatic variable. But the real problem is that the function is
called too frequently. This patch uses std::error_code() instead of
object_error::success. In most cases, we return "success", so this patch
reduces number of function calls to that function.
http://reviews.llvm.org/D10333
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239409
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Toma Tabacu [Tue, 9 Jun 2015 13:33:26 +0000 (13:33 +0000)]
Recommit "[mips] [IAS] Restore STI.FeatureBits in .set pop." (r239144).
Specified the llvm namespace for the 2 calls to make_unique() which caused
compilation errors in Visual Studio 2013.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239405
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Elena Demikhovsky [Tue, 9 Jun 2015 13:02:10 +0000 (13:02 +0000)]
X86-MPX: Implemented encoding for MPX instructions.
Added encoding tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239403
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Aaron Ballman [Tue, 9 Jun 2015 12:03:46 +0000 (12:03 +0000)]
Removing spurious semi colons; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239399
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Toma Tabacu [Tue, 9 Jun 2015 10:43:49 +0000 (10:43 +0000)]
Revert "[mips] [IAS] Add support for BNE and BEQ with an immediate operand." (r239396).
It was breaking buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239397
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Toma Tabacu [Tue, 9 Jun 2015 10:34:31 +0000 (10:34 +0000)]
[mips] [IAS] Add support for BNE and BEQ with an immediate operand.
Summary:
For some branches, GAS accepts an immediate instead of the 2nd register operand.
We only implement this for BNE and BEQ for now. Other branch instructions can be added later, if needed.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: seanbruno, emaste, llvm-commits
Differential Revision: http://reviews.llvm.org/D9666
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239396
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Daniel Sanders [Tue, 9 Jun 2015 10:34:05 +0000 (10:34 +0000)]
[nvptx] Only support the 'm' inline assembly memory constraint. NFC.
Summary:
NVPTX doesn't seem to support any additional constraints. Therefore remove
the target hook.
No functional change intended.
Reviewers: jholewinski
Reviewed By: jholewinski
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D8209
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239395
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Daniel Sanders [Tue, 9 Jun 2015 09:47:46 +0000 (09:47 +0000)]
[ADT] Assert that SmallVectorBase::grow_pod() successfully reallocates memory.
Summary:
If malloc/realloc fails then the SmallVector becomes unusable since begin() and
end() will return NULL. This is unlikely to occur but was the cause of recent
bugpoint test failures on my machine.
It is not clear whether not checking for malloc/realloc failure is a deliberate
decision and adding checks has the potential to impact compiler performance.
Therefore, this patch only adds the check to builds with assertions enabled for
the moment.
Reviewers: bkramer
Reviewed By: bkramer
Subscribers: bkramer, llvm-commits
Differential Revision: http://reviews.llvm.org/D9520
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239392
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Denis Protivensky [Tue, 9 Jun 2015 09:28:37 +0000 (09:28 +0000)]
MergeFunctions: Fix gcc warning in condition
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239391
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NAKAMURA Takumi [Tue, 9 Jun 2015 08:03:33 +0000 (08:03 +0000)]
llvm/test/DebugInfo/X86/expressions.ll: %llc_dwarf shouldn't be used with -mtriple, since %llc_dwarf implies the triple.
In this case, use plain "llc".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239390
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Keno Fischer [Tue, 9 Jun 2015 02:52:47 +0000 (02:52 +0000)]
Move X86-only test case to appropriate directory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239384
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Lang Hames [Tue, 9 Jun 2015 02:43:27 +0000 (02:43 +0000)]
[lli] Make the OptLevel (-O=<char>) option accessible to the lazy JIT.
No test case - this only affects generated code performance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239383
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Keno Fischer [Tue, 9 Jun 2015 01:53:59 +0000 (01:53 +0000)]
[DWARF] Fix a few corner cases in expression emission
Summary: I noticed an object file with `DW_OP_reg4 DW_OP_breg4 0` as a DWARF expression,
which I traced to a missing break (and `++I`) in this code snippet.
While I was at it, I also added support for a few other corner cases
along the same lines that I could think of.
Test Plan: Hand-crafted test case to exercises these cases is included.
Reviewers: echristo, dblaikie, aprantl
Reviewed By: aprantl
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10302
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239380
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Anna Zaks [Tue, 9 Jun 2015 00:58:08 +0000 (00:58 +0000)]
[asan] Prevent __attribute__((annotate)) triggering errors on Darwin
The following code triggers a fatal error in the compiler instrumentation
of ASan on Darwin because we place the attribute into llvm.metadata section,
which does not have the proper MachO section name.
void foo() __attribute__((annotate("custom")));
void foo() {;}
This commit reorders the checks so that we skip everything in llvm.metadata
first. It also removes the hard failure in case the section name does not
parse. That check will be done lower in the compilation pipeline anyway.
(Reviewed in http://reviews.llvm.org/D9093.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239379
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Matt Arsenault [Tue, 9 Jun 2015 00:52:41 +0000 (00:52 +0000)]
Implement computeKnownBits for min/max nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239378
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Matt Arsenault [Tue, 9 Jun 2015 00:52:37 +0000 (00:52 +0000)]
R600: Switch to using generic min / max nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239377
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Matt Arsenault [Tue, 9 Jun 2015 00:31:39 +0000 (00:31 +0000)]
MC: Add target hook to control symbol quoting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239370
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Arnold Schwaighofer [Tue, 9 Jun 2015 00:17:40 +0000 (00:17 +0000)]
Fix unused variable warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239369
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Jingyue Wu [Tue, 9 Jun 2015 00:05:56 +0000 (00:05 +0000)]
[NVPTX] run SROA after NVPTXFavorNonGenericAddrSpaces
Summary:
This cleans up most allocas NVPTXLowerKernelArgs emits for byval
parameters.
Test Plan: makes bug21465.ll more stronger to verify no redundant local load/store.
Reviewers: eliben, jholewinski
Reviewed By: eliben, jholewinski
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10322
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239368
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Arnold Schwaighofer [Tue, 9 Jun 2015 00:03:29 +0000 (00:03 +0000)]
MergeFunctions: Impose a total order on the replacement of functions
We don't want to replace function A by Function B in one module and Function B
by Function A in another module.
If these functions are marked with linkonce_odr we would end up with a function
stub calling B in one module and a function stub calling A in another module. If
the linker decides to pick these two we will have two stubs calling each other.
rdar://
21265586
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239367
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Reid Kleckner [Mon, 8 Jun 2015 22:43:32 +0000 (22:43 +0000)]
[WinEH] Cache declarations of frame intrinsics
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239361
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Reid Kleckner [Mon, 8 Jun 2015 22:12:44 +0000 (22:12 +0000)]
[MC] Use unsigned for the Kind bitfield in MCSymbol
Fixes most of the test suite on Windows with clang-cl.
I'm not sure why the test suite was passing with MSVC 2013. Maybe they
changed their behavior and we are emulating their old sign extension
behavior. I think this deserves more investigation, but I want to green
the bot first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239357
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Reid Kleckner [Mon, 8 Jun 2015 21:57:57 +0000 (21:57 +0000)]
Fix clang-cl self-host -Wc++11-narrowing bug
Use unsigned as the underlying storage type of the AMDGPU address space
enum.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239355
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Ranjeet Singh [Mon, 8 Jun 2015 21:32:16 +0000 (21:32 +0000)]
[AArch64] AsmParser should be case insensitive about accepting vector register names.
Differential Revision: http://reviews.llvm.org/D10320
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239353
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Keno Fischer [Mon, 8 Jun 2015 20:09:58 +0000 (20:09 +0000)]
[InstrInfo] Refactor foldOperandImpl to thread through InsertPt. NFC
Summary:
This was a longstanding FIXME and is a necessary precursor to cases
where foldOperandImpl may have to create more than one instruction
(e.g. to constrain a register class). This is the split out NFC changes from
D6262.
Reviewers: pete, ributzka, uweigand, mcrosier
Reviewed By: mcrosier
Subscribers: mcrosier, ted, llvm-commits
Differential Revision: http://reviews.llvm.org/D10174
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239336
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Rafael Espindola [Mon, 8 Jun 2015 20:08:55 +0000 (20:08 +0000)]
Fix a regression in .pop_section.
It was calling ChangeSection with the wrong current section, eventually leading
to a crash.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239335
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Simon Pilgrim [Mon, 8 Jun 2015 19:58:43 +0000 (19:58 +0000)]
[X86][SSE] Added lzcnt vector tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239333
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Akira Hatanaka [Mon, 8 Jun 2015 19:03:32 +0000 (19:03 +0000)]
Include header file <functional>.
This is a follow-up to r239325.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239329
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Benjamin Kramer [Mon, 8 Jun 2015 18:58:57 +0000 (18:58 +0000)]
Prefer copy init over direct init. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239327
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Akira Hatanaka [Mon, 8 Jun 2015 18:50:43 +0000 (18:50 +0000)]
[ARM] Pass a callback to FunctionPass constructors to enable skipping execution
on a per-function basis.
Previously some of the passes were conditionally added to ARM's pass pipeline
based on the target machine's subtarget. This patch makes changes to add those
passes unconditionally and execute them conditonally based on the predicate
functor passed to the pass constructors. This enables running different sets of
passes for different functions in the module.
rdar://problem/
20542263
Differential Revision: http://reviews.llvm.org/D8717
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239325
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Pete Cooper [Mon, 8 Jun 2015 18:41:57 +0000 (18:41 +0000)]
Use a PointerUnion in MCSymbol for Section and Fragment. NFC.
The Fragment and Section, and a bool for HasFragment were all used to create
a PointerUnion. Just use a pointer union instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239324
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Pete Cooper [Mon, 8 Jun 2015 17:25:57 +0000 (17:25 +0000)]
Remove includes of MCMachOSymbolFlags.h after it was deleted
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239318
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Pete Cooper [Mon, 8 Jun 2015 17:17:30 +0000 (17:17 +0000)]
Make flags get/set method protected so that all flags have to be managed by subclasses.
All of ELF, COFF and MachO now manipulate the flags in helpers so we don't need
anyone to read the flags directly, but instead via those helpers.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239317
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Pete Cooper [Mon, 8 Jun 2015 17:17:28 +0000 (17:17 +0000)]
Move all flags logic to MCSymbolMachO.
Also delete the now unused MCMachOSymbolFlags.h header as the only enum in there was moved to MCSymbolMachO.
Similarly to ELF and COFF, manipulating the flags is now done via helpers instead of spread
throughout the codebase.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239316
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Pete Cooper [Mon, 8 Jun 2015 17:17:23 +0000 (17:17 +0000)]
Add MCSymbolMachO which will be used to hide the MCSymbolMachO flags.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239315
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Pete Cooper [Mon, 8 Jun 2015 17:17:19 +0000 (17:17 +0000)]
Move all of the MCSymbol COFF flags logic in to MCSymbolCOFF.
All flags setting/getting is now done in the class with helper methods instead
of users having to get the bits in the correct order.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239314
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Pete Cooper [Mon, 8 Jun 2015 17:17:16 +0000 (17:17 +0000)]
Move COFF Type in to the MCSymbolCOFF class.
The flags field in MCSymbol only needs to be 16-bits on ELF and MachO.
This moves the 16-bit Type out of there so that it can be reduced in size in a future commit.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239313
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Pete Cooper [Mon, 8 Jun 2015 17:17:12 +0000 (17:17 +0000)]
Add MCSymbolCOFF class and use it to get and set the COFF type field.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239312
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Pete Cooper [Mon, 8 Jun 2015 17:17:09 +0000 (17:17 +0000)]
Change MCSymbol IsELF to an enum to support future MCSymbolCOFF and MCSymbolMachO.
Reviewed by Rafael Espíndola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239311
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Matthias Braun [Mon, 8 Jun 2015 16:56:23 +0000 (16:56 +0000)]
X86: Reject register operands with obvious type mismatches.
While we have some code to transform specification like {ax} into
{eax}/{rax} if the operand type isn't 16bit, we should reject cases
where there is no sane way to do this, like the i128 type in the
example.
Related to rdar://
21042280
Differential Revision: http://reviews.llvm.org/D10260
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239309
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Oliver Stannard [Mon, 8 Jun 2015 16:55:31 +0000 (16:55 +0000)]
Fix assertion failure in global-merge with unused ConstantExpr
The global-merge pass was crashing because it assumes that all ConstantExprs
(reached via the global variables that they use) have at least one user.
I haven't worked out a way to test this, as an unused ConstantExpr cannot be
represented by serialised IR, and global-merge can only be run in llc, which
does not run any passes which can make a ConstantExpr dead.
This (reduced to the point of silliness) C code triggers this bug when compiled
for arm-none-eabi at -O1:
static a = 7;
static volatile b[10] = {&a};
c;
main() {
c = 0;
for (; c < 10;)
printf(b[c]);
}
Differential Revision: http://reviews.llvm.org/D10314
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239308
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Colin LeMahieu [Mon, 8 Jun 2015 16:34:47 +0000 (16:34 +0000)]
[Hexagon] Adding functionality for searching for compound instruction pairs. Compound instructions reduce slot resource requirements freeing those packet slots up for more instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239307
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Simon Pilgrim [Mon, 8 Jun 2015 16:19:00 +0000 (16:19 +0000)]
[DAGCombiner] Added CTLZ vector constant folding support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239305
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Sanjay Patel [Mon, 8 Jun 2015 15:21:38 +0000 (15:21 +0000)]
fix typos; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239303
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Javed Absar [Mon, 8 Jun 2015 15:01:11 +0000 (15:01 +0000)]
ARM]: Add support for MMFR4_EL1 in assembler
This patch adds support for system register MMFR4_EL1 (memory model feature register) in the assembler.
This register provides information about the implemented memory model and memory management support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239302
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Petar Jovanovic [Mon, 8 Jun 2015 14:10:23 +0000 (14:10 +0000)]
[Mips64][mcjit] Add R_MIPS_PC32 relocation
This patch adds R_MIPS_PC32 relocation for Mips64.
Patch by Vladimir Radosavljevic.
Differential Revision: http://reviews.llvm.org/D10235
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239301
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Igor Breger [Mon, 8 Jun 2015 14:03:17 +0000 (14:03 +0000)]
AVX-512: Implemented 256/128bit VALIGND/Q instructions for SKX and KNL
Implemented DAG lowering for all these forms.
Added tests for DAG lowering and encoding.
Differential Revision: http://reviews.llvm.org/D10310
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239300
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Artur Pilipenko [Mon, 8 Jun 2015 11:58:13 +0000 (11:58 +0000)]
Minor refactoring of GEP handling in isDereferenceablePointer
For GEP instructions isDereferenceablePointer checks that all indices are constant and within bounds. Replace this index calculation logic to a call to accumulateConstantOffset. Separated from the http://reviews.llvm.org/D9791
Reviewed By: sanjoy
Differential Revision: http://reviews.llvm.org/D9874
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239299
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Silviu Baranga [Mon, 8 Jun 2015 10:27:06 +0000 (10:27 +0000)]
[LAA] Fix estimation of number of memchecks
Summary:
We need to add a runtime memcheck for pair of accesses (x,y) where at least one of x and y
are writes.
Assuming we have w writes and r reads, currently this number is estimated as being
w* (w+r-1). This estimation will count (write,write) pairs twice and will overestimate
the number of checks required.
This change adds a getNumberOfChecks method to RuntimePointerCheck, which
will count the number of runtime checks needed (similar in implementation to
needsAnyChecking) and uses it to produce the correct number of runtime checks.
Test Plan:
llvm test suite
spec2k
spec2k6
Performance results: no changes observed (not surprising since the formula for 1 writer is basically the same, which would covers most cases - at least with the current check limit).
Reviewers: anemet
Reviewed By: anemet
Subscribers: mzolotukhin, llvm-commits
Differential Revision: http://reviews.llvm.org/D10217
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239295
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Simon Pilgrim [Mon, 8 Jun 2015 09:57:09 +0000 (09:57 +0000)]
[DAGCombiner] Added CTTZ vector constant folding support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239293
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Hao Liu [Mon, 8 Jun 2015 06:39:56 +0000 (06:39 +0000)]
[LoopVectorize] Teach Loop Vectorizor about interleaved memory accesses.
Interleaved memory accesses are grouped and vectorized into vector load/store and shufflevector.
E.g. for (i = 0; i < N; i+=2) {
a = A[i]; // load of even element
b = A[i+1]; // load of odd element
... // operations on a, b, c, d
A[i] = c; // store of even element
A[i+1] = d; // store of odd element
}
The loads of even and odd elements are identified as an interleave load group, which will be transfered into vectorized IRs like:
%wide.vec = load <8 x i32>, <8 x i32>* %ptr
%vec.even = shufflevector <8 x i32> %wide.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%vec.odd = shufflevector <8 x i32> %wide.vec, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
The stores of even and odd elements are identified as an interleave store group, which will be transfered into vectorized IRs like:
%interleaved.vec = shufflevector <4 x i32> %vec.even, %vec.odd, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
store <8 x i32> %interleaved.vec, <8 x i32>* %ptr
This optimization is currently disabled by defaut. To try it by adding '-enable-interleaved-mem-accesses=true'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239291
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Davide Italiano [Mon, 8 Jun 2015 04:55:29 +0000 (04:55 +0000)]
[llvm-readobj] Use the new symbol API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239286
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Hao Liu [Mon, 8 Jun 2015 04:48:37 +0000 (04:48 +0000)]
[LoopAccessAnalysis] Teach LAA to check the memory dependence between strided accesses.
Differential Revision: http://reviews.llvm.org/D9368
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239285
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Peter Collingbourne [Mon, 8 Jun 2015 04:04:13 +0000 (04:04 +0000)]
Do not build LLD from tools/Makefile, as LLD no longer has a Makefile build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239283
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Michael Zolotukhin [Mon, 8 Jun 2015 03:28:06 +0000 (03:28 +0000)]
Remove SCEVCache and FindConstantPointers from complete loop unrolling heuristic.
Summary:
Using some SCEV functionality helped to entirely remove SCEVCache class and FindConstantPointers SCEV visitor.
Also, this makes the code more universal - I'll take advandate of it in next patches where I start handling additional types of instructions.
Test Plan: Tests would be submitted in subsequent patches.
Reviewers: atrick, chandlerc
Reviewed By: atrick, chandlerc
Subscribers: atrick, llvm-commits
Differential Revision: http://reviews.llvm.org/D10205
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239282
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Peter Collingbourne [Mon, 8 Jun 2015 02:43:32 +0000 (02:43 +0000)]
Fix Windows build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239279
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Peter Collingbourne [Mon, 8 Jun 2015 02:32:01 +0000 (02:32 +0000)]
llvm-ar: Move archive writer to Object.
No functional change intended, other than some minor changes to certain
diagnostics.
Differential Revision: http://reviews.llvm.org/D10296
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239278
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Craig Topper [Mon, 8 Jun 2015 01:35:45 +0000 (01:35 +0000)]
[TableGen] Remove unnecessary default constructed SMLoc that just existed to return. Instead just call the default constructor in the return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239277
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Craig Topper [Mon, 8 Jun 2015 01:35:43 +0000 (01:35 +0000)]
[TableGen] Use range-based for loop. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239276
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Craig Topper [Mon, 8 Jun 2015 01:35:42 +0000 (01:35 +0000)]
[TableGen] Remove unnecessary extern declaration that's already in an included header file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239275
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Craig Topper [Mon, 8 Jun 2015 01:35:40 +0000 (01:35 +0000)]
[TableGen] Use the SMLoc header file instead of SourceMgr header file in a couple places. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239274
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Colin LeMahieu [Sun, 7 Jun 2015 21:07:17 +0000 (21:07 +0000)]
[objdump] Moving PrintImmHex out of MachODump and in to llvm-objdump and setting instprinter appropriately.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239265
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Simon Pilgrim [Sun, 7 Jun 2015 21:01:34 +0000 (21:01 +0000)]
[X86] Added tzcnt vector tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239264
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Colin LeMahieu [Sun, 7 Jun 2015 20:29:37 +0000 (20:29 +0000)]
[MC] Function naming NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239263
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Matt Arsenault [Sun, 7 Jun 2015 20:17:44 +0000 (20:17 +0000)]
SeparateConstOffsetFromGEP: Pass address space to isLegalAddressingMode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239262
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Matt Arsenault [Sun, 7 Jun 2015 20:17:42 +0000 (20:17 +0000)]
Make NaryReassociate pass the address space to isLegalAddressingMode
No test since the kinds of transforms this prevents seem to not really
be relevant for SI's different addressing modes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239261
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Matt Arsenault [Sun, 7 Jun 2015 20:12:03 +0000 (20:12 +0000)]
Add isLegalAddressingMode address space argument to TTI
Update to match the TLI version, and remove the TLI version's
default argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239260
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Peter Zotov [Sun, 7 Jun 2015 19:22:22 +0000 (19:22 +0000)]
[cmake] [OCaml] Make ocamldoc targets depend on output files
OCaml doc builds fail without .cmi files, and .cmi files are collected
in ocaml_outputs. Therefore, make doc targets depend on ocaml_outputs as
well.
Fixes: https://llvm.org/bugs/show_bug.cgi?id=23777
Patch by Michał Górny <mgorny@gentoo.org>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239259
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Simon Pilgrim [Sun, 7 Jun 2015 18:34:25 +0000 (18:34 +0000)]
[X86] Added BitScanForward/BitScanReverse memory folding + tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239257
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Benjamin Kramer [Sun, 7 Jun 2015 16:36:28 +0000 (16:36 +0000)]
Remove global std::string. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239254
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Simon Pilgrim [Sun, 7 Jun 2015 16:09:48 +0000 (16:09 +0000)]
Fixed line endings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239253
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Simon Pilgrim [Sun, 7 Jun 2015 15:37:14 +0000 (15:37 +0000)]
[DAGCombiner] Added CTPOP vector constant folding support.
Added tests to the existing SSE/AVX test files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239252
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Benjamin Kramer [Sun, 7 Jun 2015 13:59:33 +0000 (13:59 +0000)]
[AsmWriter] Rewrite module asm printing using StringRef::split.
No change in output intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239251
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Filipe Cabecinhas [Sun, 7 Jun 2015 06:40:24 +0000 (06:40 +0000)]
Fix doxygen comments. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239250
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Craig Topper [Sun, 7 Jun 2015 06:01:22 +0000 (06:01 +0000)]
[TableGen] Remove unnecessary include. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239249
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