OSDN Git Service
Craig Topper [Fri, 3 Jun 2016 04:15:22 +0000 (04:15 +0000)]
[X86] Remove redundant bitcast patterns for 128/256-bit vectors. These only differ from the SSE/AVX versions by the register class, but register class has no bearing on isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271623
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Zachary Turner [Fri, 3 Jun 2016 04:01:48 +0000 (04:01 +0000)]
[pdb] Dump file checksums from pdb codeview line info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271622
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Zachary Turner [Fri, 3 Jun 2016 03:25:59 +0000 (03:25 +0000)]
[codeview] Dump line number and column information.
To facilitate this, a couple of changes had to be made:
1. `ModuleSubstream` got moved from `DebugInfo/PDB` to
`DebugInfo/CodeView`, and various codeview related types are defined
there. It turns out `DebugInfo/CodeView/Line.h` already defines many of
these structures, but this is really old code that is not endian aware,
doesn't interact well with `StreamInterface` and not very helpful for
getting stuff out of a PDB. Eventually we should migrate the old readobj
`COFFDumper` code to these new structures, or at least merge their
functionality somehow.
2. A `ModuleSubstream` visitor is introduced. Depending on where your
module substream array comes from, different subsets of record types can
be expected. We are already hand parsing these substream arrays in many
places especially in `COFFDumper.cpp`. In the future we can migrate these
paths to the visitor as well, which should reduce a lot of code in
`COFFDumper.cpp`.
Differential Revision: http://reviews.llvm.org/D20936
Reviewed By: ruiu, majnemer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271621
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Rui Ueyama [Fri, 3 Jun 2016 02:42:30 +0000 (02:42 +0000)]
Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271620
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Qin Zhao [Fri, 3 Jun 2016 02:33:04 +0000 (02:33 +0000)]
[esan|cfrag] Instrument GEP instr for struct field access.
Summary:
Instrument GEP instruction for counting the number of struct field
address calculation to approximate the number of struct field accesses.
Adds test struct_field_count_basic.ll to test the struct field
instrumentation.
Reviewers: bruening, aizatsky
Subscribers: junbuml, zhaoqin, llvm-commits, eugenis, vitalybuka, kcc, bruening
Differential Revision: http://reviews.llvm.org/D20892
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271619
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Adrian Prantl [Fri, 3 Jun 2016 00:24:38 +0000 (00:24 +0000)]
Revert "Testcase cleanup: Remove an unused input file."
This reverts commit r271612.
I somehow managed to remove the wrong file m-(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271616
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Michael Zolotukhin [Fri, 3 Jun 2016 00:16:46 +0000 (00:16 +0000)]
[LoopUnroll] Set correct thresholds for new recently enabled unrolling heuristic.
In r270478, where I enabled the new heuristic I posted testing results,
which I got when explicitly passed the thresholds values via CL options.
However, setting the CL options init-values is not enough to change the
default values of thresholds, so I'm changing them in another place now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271615
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Adrian Prantl [Thu, 2 Jun 2016 23:58:52 +0000 (23:58 +0000)]
Testcase cleanup: remove an unused RUN line in an input file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271614
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Chris Bieneman [Thu, 2 Jun 2016 23:58:13 +0000 (23:58 +0000)]
Revert "[yaml2obj] Sort MachO LinkEdit write operations based on offset"
This reverts commit r271611 because it broke a bot:
http://bb.pgr.jp/builders/cmake-llvm-x86_64-linux/builds/38184
I don't currently have a handle on what went wrong, so I'll revert while I investigate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271613
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Adrian Prantl [Thu, 2 Jun 2016 23:57:42 +0000 (23:57 +0000)]
Testcase cleanup: Remove an unused input file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271612
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Chris Bieneman [Thu, 2 Jun 2016 23:52:08 +0000 (23:52 +0000)]
[yaml2obj] Sort MachO LinkEdit write operations based on offset
Although ld64 always outputs linkedit data in the same order, it isn't actually required to. This change makes yaml2obj resilient if the offsets are in arbitrary order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271611
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Daniel Dunbar [Thu, 2 Jun 2016 23:49:42 +0000 (23:49 +0000)]
[lit] Improve readability of failing scripts.
- This only applies to scripts executed by the _internal_ shell script
interpreter.
- This patch reworks the log to look more like a shell transcript, and be less
verbose (but in the interest of calling attention to the important parts).
Here is an example of the new format, for commands with/without failures and
with/without output:
```
$ true
$ echo hi
hi
$ false
note: command had no output on stdout or stderr
error: command failed with exit status 1
```
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271610
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Daniel Dunbar [Thu, 2 Jun 2016 23:32:35 +0000 (23:32 +0000)]
[lit] Factor out a helper for shell command results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271608
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Davide Italiano [Thu, 2 Jun 2016 23:02:44 +0000 (23:02 +0000)]
[TailRecursionElimination] Refactor/cleanup.
In preparation for porting to the new PM.
Patch by Jake VanAdrighem! (review mainly by me/Justin)
Differential Revision: http://reviews.llvm.org/D20610
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271607
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Derek Schuff [Thu, 2 Jun 2016 23:02:44 +0000 (23:02 +0000)]
Revert "[WebAssembly] Emit type signatures for declared functions"
This reverts r271599, it broke the integration tests.
More places than I expected had nontrival return types in imports, or
else the check was wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271606
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Chris Bieneman [Thu, 2 Jun 2016 22:54:06 +0000 (22:54 +0000)]
[obj2yaml] [yaml2obj] Support for MachO nlist and string table
This commit adds round tripping for MachO symbol data. Symbols are entries in the name list, that contain offsets into the string table which is at the end of the __LINKEDIT segment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271604
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Sanjay Patel [Thu, 2 Jun 2016 22:45:49 +0000 (22:45 +0000)]
[InstCombine] change tests to show a more obvious transform possibility
The original tests were intended to show a missing transform that would
be solved by D20774:
http://reviews.llvm.org/D20774
But it's not clear that the transform for the simpler tests is a win for
all targets. Make the tests show a larger pattern that should be a win
regardless of the cost of bitcast instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271603
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Manuel Jacob [Thu, 2 Jun 2016 22:14:26 +0000 (22:14 +0000)]
[PM] Schedule InstSimplify after late LICM run, to clean up LCSSA nodes.
Summary:
The module pass pipeline includes a late LICM run after loop
unrolling. LCSSA is implicitly run as a pass dependency of LICM. However no
cleanup pass was run after this, so the LCSSA nodes ended in the optimized output.
Reviewers: hfinkel, mehdi_amini
Subscribers: majnemer, bruno, mzolotukhin, mehdi_amini, llvm-commits
Differential Revision: http://reviews.llvm.org/D20606
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271602
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Davide Italiano [Thu, 2 Jun 2016 22:05:59 +0000 (22:05 +0000)]
[PM] LoadCombine preserves GlobalsAA, doesn't depend on it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271601
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Davide Italiano [Thu, 2 Jun 2016 22:04:43 +0000 (22:04 +0000)]
[PM/LoadCombine] Inline getAnalysisUsage(). NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271600
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Derek Schuff [Thu, 2 Jun 2016 21:34:18 +0000 (21:34 +0000)]
[WebAssembly] Emit type signatures for declared functions
Under emscripten, C code can take the address of a function implemented
in Javascript (which is exposed via an import in wasm). Because imports
do not have linear memory address in wasm, we need to generate a thunk
to be the target of the indirect call; it call the import directly.
To make this possible, LLVM needs to emit the type signatures for these
functions, because they may not be called directly or referred to other
than where the address is taken.
This uses s new .s directive (.functype) which specifies the signature.
Differential Revision: http://reviews.llvm.org/D20891
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271599
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Eric Christopher [Thu, 2 Jun 2016 21:32:30 +0000 (21:32 +0000)]
80-column fixup after last formatting change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271598
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Rui Ueyama [Thu, 2 Jun 2016 21:13:47 +0000 (21:13 +0000)]
Add comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271597
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Eric Christopher [Thu, 2 Jun 2016 21:09:17 +0000 (21:09 +0000)]
Fix a couple of misformatted comments spotted in post-commit review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271596
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Eric Christopher [Thu, 2 Jun 2016 21:03:19 +0000 (21:03 +0000)]
This patch is in preparation for a substantial refactoring of the
code. To make the diffs easier to read, clang-format everything first.
No functionality changed.
Patch by Alina Sbirlea!
http://reviews.llvm.org/D20926
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271595
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NAKAMURA Takumi [Thu, 2 Jun 2016 20:39:24 +0000 (20:39 +0000)]
Fixup r271533, or check-clang didn't find llvm-lto as the target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271585
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Sanjay Patel [Thu, 2 Jun 2016 20:37:52 +0000 (20:37 +0000)]
fix documentation comments; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271584
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Zachary Turner [Thu, 2 Jun 2016 20:11:22 +0000 (20:11 +0000)]
[llvm-pdbdump] Dump CodeView line information.
This first pass only splits apart the records and dumps the line
info kinds and binary data. Subsequent patches will parse out
the binary data into more useful information and dump it in
detail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271576
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Matt Arsenault [Thu, 2 Jun 2016 20:05:20 +0000 (20:05 +0000)]
AMDGPU: Handle flat in getMemOpBaseRegImmOfs
It can still report the base register, and the uses give up when it
fails.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271575
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Meador Inge [Thu, 2 Jun 2016 20:04:44 +0000 (20:04 +0000)]
[ASMParser] Parse FP constants in non-C locales
This patch fixes PR25788, which allows for the parsing of
floating-point constants in non-C locales.
Patch by Antoine Pitrou!
Differential Revision: http://reviews.llvm.org/D15375
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271574
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Sanjay Patel [Thu, 2 Jun 2016 20:01:37 +0000 (20:01 +0000)]
transform obscured FP sign bit ops into a fabs/fneg using TLI hook
This is effectively a revert of:
http://reviews.llvm.org/rL249702 - [InstCombine] transform masking off of an FP sign bit into a fabs() intrinsic call (PR24886)
and:
http://reviews.llvm.org/rL249701 - [ValueTracking] teach computeKnownBits that a fabs() clears sign bits
and a reimplementation as a DAG combine for targets that have IEEE754-compliant fabs/fneg instructions.
This is intended to resolve the objections raised on the dev list:
http://lists.llvm.org/pipermail/llvm-dev/2016-April/098154.html
and:
https://llvm.org/bugs/show_bug.cgi?id=24886#c4
In the interest of patch minimalism, I've only partly enabled AArch64. PowerPC, MIPS, x86 and others can enable later.
Differential Revision: http://reviews.llvm.org/D19391
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271573
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Matt Arsenault [Thu, 2 Jun 2016 19:54:26 +0000 (19:54 +0000)]
AMDGPU: Cleanup load tests
There are a lot of different kinds of loads to test for,
and these were scattered around inconsistently with
some redundancy. Try to comprehensively test all loads
in a consistent way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271571
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Zachary Turner [Thu, 2 Jun 2016 19:51:48 +0000 (19:51 +0000)]
[codeview] Fix a nasty use after free.
StreamRef was designed to be a thin wrapper over an abstract
stream interface that could itself be treated the same as any
other stream interface. For this reason, it inherited publicly
from StreamInterface, and stored a StreamInterface* internally.
But StreamRef was also designed to be lightweight and easily
copyable, similar to ArrayRef. This led to two misuses of
the classes.
1) When creating a StreamRef A from another StreamRef B, it was
possible to end up with A storing a pointer to B, even when
B was a temporary object, leading to use after free.
2) The above situation could be repeated ad nauseum, so that
A stores a pointer to B, which itself stores a pointer to
another StreamRef C, and so on and so on, creating an
unnecessarily level of nesting depth.
This patch removes the public inheritance relationship between
StreamRef and StreamInterface, making it so that we can never
accidentally convert a StreamRef to a StreamInterface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271570
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Matt Arsenault [Thu, 2 Jun 2016 19:00:55 +0000 (19:00 +0000)]
AMDGPU: Temporary fix for broken store combine
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271567
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David Majnemer [Thu, 2 Jun 2016 18:51:24 +0000 (18:51 +0000)]
[CodeView] Use None instead of Void if there is no subprogram
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271566
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Chandler Carruth [Thu, 2 Jun 2016 18:42:23 +0000 (18:42 +0000)]
Fix the use of sys::MemoryFence after including WindowsSupport.h that
r271558 introduced.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271563
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Matt Arsenault [Thu, 2 Jun 2016 18:37:21 +0000 (18:37 +0000)]
Use false for bool instead of 0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271562
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Matt Arsenault [Thu, 2 Jun 2016 18:37:16 +0000 (18:37 +0000)]
AMDGPU: Fix crashes on unknown processor name
If the processor name failed to parse for amdgcn,
the resulting output would have R600 ISA in it.
If the processor name was missing or invalid for R600,
the wavefront size would not be set and there would be
crashes from missing itinerary data.
Fixes crashes in future commit caused by dividing by the unset/0
wavefront size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271561
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Ahmed Bougacha [Thu, 2 Jun 2016 18:29:15 +0000 (18:29 +0000)]
[X86] Define segment MI operands as regs instead of i8imm.
We've been pretending that segments are i8imm since the initial
support (r68645), predating the addition of the SEGMENT_REG class
(r81895). That happens to works, but is wrong, and inconsistent
with how we print (e.g., X86ATTInstPrinter::printMemReference)
and parse them (e.g., X86Operand::addMemOperands).
This change shouldn't affect any tool users, but is visible to
library users or out-of-tree tablegen backends: this causes
MCOperandInfo for the segment op to have an RC instead of "unknown",
and TII::getRegClass to actually return something. As the registers
are reserved and no vregs of the class ever created, that shouldn't
change anything.
No test change; no suspicious getRegClass() in X86 and CodeGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271559
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Chandler Carruth [Thu, 2 Jun 2016 18:22:12 +0000 (18:22 +0000)]
This is yet another attempt to re-instate r220932 as discussed in
D19271.
Previous attempt was broken by NetBSD, so in this version I've made the
fallback path generic rather than Windows specific and sent both Windows
and NetBSD to it.
I've also re-formatted the code some, and used an exact clone of the
code in PassSupport.h for doing manual call-once using our atomics
rather than rolling a new one.
If this sticks, we can replace the fallback path for Windows with
a Windows-specific implementation that is more reliable.
Original commit message:
This patch adds an llvm_call_once which is a wrapper around
std::call_once on platforms where it is available and devoid
of bugs. The patch also migrates the ManagedStatic mutex to
be allocated using llvm_call_once.
These changes are philosophically equivalent to the changes
added in r219638, which were reverted due to a hang on Win32
which was the result of a bug in the Windows implementation
of std::call_once.
Differential Revision: http://reviews.llvm.org/D5922
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271558
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Rui Ueyama [Thu, 2 Jun 2016 18:20:20 +0000 (18:20 +0000)]
pdbdump: print out COFF section headers.
Unlike other sections that can grow to any size, the COFF section header
stream has maximum length because each record is fixed size and the COFF
file format limits the maximum number of sections. So I decided to not
create a specific stream class for it. Instead, I added a member function
to DbiStream class which returns a vector of COFF headers.
Differential Revision: http://reviews.llvm.org/D20717
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271557
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Pete Cooper [Thu, 2 Jun 2016 18:11:54 +0000 (18:11 +0000)]
Make APInt negate just do a 2's complement negate instead of subtract. NFC.
This is part of an effort to shave allocations from APInt heavy paths. I'll
be moving many of the other operators to r-value references soon and this is
a step towards doing that without too much duplication.
Saves 15k allocations when doing 'opt -O2 verify-uselistorder.bc'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271556
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Matthias Braun [Thu, 2 Jun 2016 18:03:53 +0000 (18:03 +0000)]
AArch64: Do not test for CPUs, use SubtargetFeatures
Testing for specific CPUs has a number of problems, better use subtarget
features:
- When some tweak is added for a specific CPU it is often desirable for
the next version of that CPU as well, yet we often forget to add it.
- It is hard to keep track of checks scattered around the target code;
Declaring all target specifics together with the CPU in the tablegen
file is a clear representation.
- Subtarget features can be tweaked from the command line.
To discourage people from using CPU checks in the future I removed the
isCortexXX(), isCyclone(), ... functions. I added an getProcFamily()
function for exceptional circumstances but made it clear in the comment
that usage is discouraged.
Reformat feature list in AArch64.td to have 1 feature per line in
alphabetical order to simplify merging and sorting for out of tree
tweaks.
No functional change intended.
Differential Revision: http://reviews.llvm.org/D20762
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271555
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Sanjay Patel [Thu, 2 Jun 2016 18:03:05 +0000 (18:03 +0000)]
[InstCombine] remove guard for generating a vector select
This is effectively NFC because we already do this transform after r175380:
http://reviews.llvm.org/rL175380
and also via foldBoolSextMaskToSelect().
This change should just make it a bit more efficient to match the pattern.
The original guard was added in r95058:
http://reviews.llvm.org/rL95058
A sampling of codegen for current in-tree targets shows no problems. This
makes sense given that we're already producing the vector selects via the
other transforms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271554
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Geoff Berry [Thu, 2 Jun 2016 18:02:50 +0000 (18:02 +0000)]
[PowerPC] Run reg2mem on tests to simplify them.
Summary:
Also convert test/CodeGen/PowerPC/vsx-ldst-builtin-le.ll to use
FileCheck instead of two grep and count runs.
This change is needed to avoid spurious diffs in these tests when
EarlyCSE is improved to use MemorySSA and can do more load elimination.
Reviewers: hfinkel
Subscribers: mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D20238
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271553
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Simon Pilgrim [Thu, 2 Jun 2016 18:01:21 +0000 (18:01 +0000)]
[X86][SSE] Added SSE41/AVX2 non-temporal tests
Useful for when we add MOVNTDQA support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271552
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Reid Kleckner [Thu, 2 Jun 2016 17:40:51 +0000 (17:40 +0000)]
[codeview] Fix crash when handling qualified void types
The DIType* for void is the null pointer. A null DIType can never be a
qualified type, so we can just exit the loop at this point and go to
getTypeIndex(BaseTy).
Fixes PR27984
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271550
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David Majnemer [Thu, 2 Jun 2016 17:32:11 +0000 (17:32 +0000)]
Rename IMAGE_DEBUG_TYPE_NO_TIMESTAMP to IMAGE_DEBUG_TYPE_REPRO
This matches the COFF spec
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271549
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Dimitry Andric [Thu, 2 Jun 2016 17:30:49 +0000 (17:30 +0000)]
Only attempt to detect AVG if SSE2 is available
Summary:
In PR29973 Sanjay Patel reported an assertion failure when a certain
loop was optimized, for a target without SSE2 support. It turned out
this was because of the AVG pattern detection introduced in rL253952.
Prevent the assertion failure by bailing out early in
`detectAVGPattern()`, if the target does not support SSE2.
Also add a minimized test case.
Reviewers: congh, eli.friedman, spatel
Subscribers: emaste, llvm-commits
Differential Revision: http://reviews.llvm.org/D20905
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271548
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Qin Zhao [Thu, 2 Jun 2016 17:30:47 +0000 (17:30 +0000)]
[esan|cfrag] Create the cfrag struct array for the runtime
Summary:
Fills the cfrag struct variable with an array of struct information
variables.
Reviewers: aizatsky, bruening
Subscribers: bruening, kcc, vitalybuka, eugenis, llvm-commits, zhaoqin
Differential Revision: http://reviews.llvm.org/D20661
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271547
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Ahmed Bougacha [Thu, 2 Jun 2016 17:26:03 +0000 (17:26 +0000)]
[ADT] Pass ArrayRef::slice size_t instead of unsigned.
Also fix slice wrappers drop_front and drop_back.
The unittests are pretty awkward, but do the job; alternatives
welcome!
..and yes, I do have ArrayRefs with more than 4 billion elements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271546
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Nirav Dave [Thu, 2 Jun 2016 17:15:05 +0000 (17:15 +0000)]
Ignore Lexing errors in macro body definitions
Do not issue lexing errors found during the parsing of macro body
definitions and parseIdentifier function in AsmParser. This changes the
Parser to not issue a lexing error when we reach an error, but rather
when it is consumed allowing us time to examine and recover from an
error.
As a result, of this, we stop issuing a both lexing error and a parsing
error in floating-literals test. Minor tweak to parseDirectiveRealValue
to favor more meaningful lexing error over less helpful parse error.
Reviewers: rnk, majnemer
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20535
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271542
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David Majnemer [Thu, 2 Jun 2016 17:13:53 +0000 (17:13 +0000)]
[CodeView] Implement function-type indices
We still need to do something about member functions and calling
conventions.
Differential Revision: http://reviews.llvm.org/D20900
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271541
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Chandler Carruth [Thu, 2 Jun 2016 17:11:11 +0000 (17:11 +0000)]
Remove all of the legacy home-grown atomic operations LLVM provided
except for CompareAndSwap. That is the only one still being used
anywhere now that statistics have been moved onto std::atomic.
Also, add a warning to the header that we shouldn't introduce more uses
of these old style atomics and instead should be using C++11's
std::atomic facilities.
Really hoping that we can hammer out the last couple of users here and
replace them with something more localized and/or principled, but
figured this was a pretty good start. =]
Note that this patch will need to be reverted if r271504 needs to be
reverted as that removes the last user of these. However, the biggest
risk for that patch was MSVC 2013 and at least one bot has already
passed where it would have failed there. I've tested MSVC 2015 using
their web interfaces and other platforms seem fine, so I'm optimistic.
Differential Revision: http://reviews.llvm.org/D20901
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271540
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Reid Kleckner [Thu, 2 Jun 2016 17:10:43 +0000 (17:10 +0000)]
[COFF] Expose the PE debug data directory and dump it
This directory is used to find if there is a PDB associated with an
executable. I plan to use this functionality to teach llvm-symbolizer
whether it should use DIA or DWARF to symbolize a given DLL.
Reviewers: majnemer
Differential Revision: http://reviews.llvm.org/D20885
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271539
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Vedant Kumar [Thu, 2 Jun 2016 17:00:50 +0000 (17:00 +0000)]
[llvm-cov] Use string getters (NFC)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271537
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Xinliang David Li [Thu, 2 Jun 2016 16:33:41 +0000 (16:33 +0000)]
[profile] value profiling bug fix -- missing icall targets in profile-use
Inline virtual functions has linkeonceodr linkage (emitted in comdat on
supporting targets). If the vtable for the class is not emitted in the
defining module, function won't be address taken thus its address is not
recorded. At the mercy of the linker, if the per-func prf_data from this
module (in comdat) is picked at link time, we will lose mapping from
function address to its hash val. This leads to missing icall promotion.
The second test case (currently disabled) in compiler_rt (r271528):
instrprof-icall-prom.test demostrates the bug. The first profile-use
subtest is fine due to linker order difference.
With this change, no missing icall targets is found in instrumented clang's
raw profile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271532
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Pavel Labath [Thu, 2 Jun 2016 16:29:07 +0000 (16:29 +0000)]
[cmake] Fix builds with LLVM_ENABLE_PIC=0
Summary:
When this flag is specified, the target llvm-lto is not built, but is still
used as a dependency of the test targets. cmake 2.8 silently ignored this
situation, but with cmake_minimum_required(3.4) it becomes an error. Fix this
by avoiding the inclusion of the target as a dependency.
Reviewers: beanz
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20882
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271530
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Zachary Turner [Thu, 2 Jun 2016 16:28:52 +0000 (16:28 +0000)]
Fix uninitialized members in VarStreamArrayIterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271529
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Geoff Berry [Thu, 2 Jun 2016 16:22:07 +0000 (16:22 +0000)]
[PEI, AArch64] Use empty spaces in stack area for local stack slot allocation.
Summary:
If the target requests it, use emptry spaces in the fixed and
callee-save stack area to allocate local stack objects.
AArch64: Change last callee-save reg stack object alignment instead of
size to leave a gap to take advantage of above change.
Reviewers: t.p.northover, qcolombet, MatzeB
Subscribers: rengolin, mcrosier, llvm-commits, aemerson
Differential Revision: http://reviews.llvm.org/D20220
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271527
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Sanjay Patel [Thu, 2 Jun 2016 16:01:15 +0000 (16:01 +0000)]
[DAG] use getBitcast() to reduce code
Although this was intended to be NFC, the test case wiggle shows a change in
code scheduling/RA caused by a difference in the SDLoc() generation.
Depending on how you look at it, this is the (dis)advantage of exact checking
in regression tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271526
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Krzysztof Parzyszek [Thu, 2 Jun 2016 14:33:08 +0000 (14:33 +0000)]
[Hexagon] Expand COPY pseudo-instruction
Handle it locally instead of having the target-independent pass deal
with it. The generic pass does not preserve implicit uses, which may
be necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271520
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Krzysztof Parzyszek [Thu, 2 Jun 2016 14:30:09 +0000 (14:30 +0000)]
[RDF] Ignore implicit defs when resetting <kill> flags
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271519
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Simon Pilgrim [Thu, 2 Jun 2016 13:51:50 +0000 (13:51 +0000)]
[X86][SSE] Added non-temporal load tests for vector types
These currently lower to regular loads instead of MOVNTDQA
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271516
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Dylan McKay [Thu, 2 Jun 2016 12:00:34 +0000 (12:00 +0000)]
Add assertions to MathExtras max/min functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271515
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Simon Pilgrim [Thu, 2 Jun 2016 10:55:21 +0000 (10:55 +0000)]
[X86][SSE] Replace (V)CVTTPS2DQ and VCVTTPD2DQ truncating (round to zero) f32/f64 to i32 with generic IR (llvm)
This patch removes the llvm intrinsics (V)CVTTPS2DQ and VCVTTPD2DQ truncation (round to zero) conversions and auto-upgrades to FP_TO_SINT calls instead.
Note: I looked at updating CVTTPD2DQ as well but this still requires a lot more work to correctly lower.
Differential Revision: http://reviews.llvm.org/D20860
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271510
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Sjoerd Meijer [Thu, 2 Jun 2016 10:48:52 +0000 (10:48 +0000)]
This adds support for Cortex-A73 as an available target.
Differential Revision: http://reviews.llvm.org/D20865
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271508
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Dylan McKay [Thu, 2 Jun 2016 09:00:53 +0000 (09:00 +0000)]
Add tests to Support/MathExtras
In r271380, I added several functions to get the minimum/maximum values
of n-width integers.
This just adds tests for them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271505
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Chandler Carruth [Thu, 2 Jun 2016 08:44:05 +0000 (08:44 +0000)]
Switch statistics to use relaxed updates to a std::atomic.
This removes usage of the hacky, incorrect, and TSan-unfriendly
home-grown atomics. It should actually be more efficient in some cases.
Based on our existing usage of <atomic>, all of this is portably
available AFAICT. One small challenge is initializing the stastic, but
I've tried a comparable sample out on MSVC (the most likely to complain
here) and it seems to work. Will have to watch the build bots of course.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271504
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Chandler Carruth [Thu, 2 Jun 2016 08:37:14 +0000 (08:37 +0000)]
[ADT] Remove unused multiply and divide operator overloads on
statistics.
Scaling statistics atomically doesn't make any sense anyways, and none
were using these. If you find yourself wanting to do this, you should
probably keep a local count that you scale and then apply that after
scaling to the shared statistic object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271503
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David Majnemer [Thu, 2 Jun 2016 07:02:32 +0000 (07:02 +0000)]
[CodeView] Use the right type index for long long
We used T_INT8 instead of T_QUAD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271497
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David Majnemer [Thu, 2 Jun 2016 06:21:44 +0000 (06:21 +0000)]
[CodeView] Take the StreamRef::readBytes offset into account when validating
We only considered the length of the operation and the length of the
StreamRef without considered what it meant for the offset to be at a
non-zero position.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271496
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David Majnemer [Thu, 2 Jun 2016 06:21:42 +0000 (06:21 +0000)]
[CodeView] Remove superfluous bitmath
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271495
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David Majnemer [Thu, 2 Jun 2016 06:21:37 +0000 (06:21 +0000)]
[codeview] Return type indices for typedefs
Use the type index of the underlying type unless we have a typedef from
long to HRESULT; HRESULT typedefs are translated to T_HRESULT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271494
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Kostya Serebryany [Thu, 2 Jun 2016 06:06:34 +0000 (06:06 +0000)]
[libFuzzer] fix docs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271493
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Dan Liew [Thu, 2 Jun 2016 05:48:09 +0000 (05:48 +0000)]
[LibFuzzer] Disable compiling and running the LibFuzzer dataflow sanitizer tests on Apple platforms.
This fixes a broken part of the build on OSX as the dataflow sanitizer is not supported
on OSX yet.
Differential Revision: http://reviews.llvm.org/D20894
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271492
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Dan Liew [Thu, 2 Jun 2016 05:48:02 +0000 (05:48 +0000)]
[LibFuzzer] Reimplement how the optional user functions are called.
The motivation for this change is to fix linking issues on OSX.
However this only partially fixes linking issues (the uninstrumented
tests and a few others won't succesfully link yet).
This change introduces a struct of function pointers
(``fuzzer::ExternalFuntions``) which when initialised will point to the
optional functions if they are available. Currently these
``LLVMFuzzerInitialize`` and ``LLVMFuzzerCustomMutator`` functions.
Two implementations of ``fuzzer::ExternalFunctions`` constructor are
provided one for Linux and one for OSX.
The OSX implementation uses ``dlsym()`` because the prior implementation
using weak symbols does not work unless the additional flags are passed
to the linker.
The Linux implementation continues to use weak symbols because the
``dlsym()`` approach does not work unless additional flags are passed
to the linker.
Differential Revision: http://reviews.llvm.org/D20741
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271491
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Kostya Serebryany [Thu, 2 Jun 2016 05:45:42 +0000 (05:45 +0000)]
[libFuzzer] docs: add contact, mention more trophies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271490
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Zachary Turner [Thu, 2 Jun 2016 05:07:49 +0000 (05:07 +0000)]
[pdb] Parse and dump section map and section contribs
Differential Revision: http://reviews.llvm.org/D20876
Reviewed By: rnk, ruiu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271488
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Craig Topper [Thu, 2 Jun 2016 04:51:37 +0000 (04:51 +0000)]
[AVX512] Add 512-bit load/stores to fast isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271486
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Craig Topper [Thu, 2 Jun 2016 04:19:48 +0000 (04:19 +0000)]
[X86] No need to use 256-bit VMOVNTPS for integer types when only AVX1 is supported. VMOVNTDQ is available with AVX1.
We were getting this right for v4i64 but not the other integer types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271482
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Craig Topper [Thu, 2 Jun 2016 04:19:45 +0000 (04:19 +0000)]
[X86] Add AVX 256-bit load and stores to fast isel.
I'm not sure why this was missing for so long.
This also exposed that we were picking floating point 256-bit VMOVNTPS for some integer types in normal isel for AVX1 even though VMOVNTDQ is available. In practice it doesn't matter due to the execution dependency fix pass, but it required extra isel patterns. Fixing that in a follow up commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271481
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Craig Topper [Thu, 2 Jun 2016 04:19:42 +0000 (04:19 +0000)]
[X86] Use uint16_t for a couple arrays of instruction opcodes. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271480
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Craig Topper [Thu, 2 Jun 2016 04:19:40 +0000 (04:19 +0000)]
[AVX512] Remove LOADA/LOADU/STOREA/STOREU intrinsic types now that they are unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271479
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Craig Topper [Thu, 2 Jun 2016 04:19:36 +0000 (04:19 +0000)]
[AVX512] Remove masked load intrinsics. Clang now emits generic masked load intrinsics instead.
The intrinsics will be autoupgraded to the same generic masked loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271478
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Eric Fiselier [Thu, 2 Jun 2016 01:59:57 +0000 (01:59 +0000)]
Add "REQUIRES-ANY" feature test
Summary:
This patch adds a "REQUIRES-ANY" feature test that is disjunctive. This marks a test as `UNSUPPORTED` if none of the specified features are available.
Libc++ has the need to write feature test such as `// REQUIRES-ANY: c++98, c++03` when testing of behavior that is specific to older dialects but has since changed.
Reviewers: rnk, ddunbar
Subscribers: ddunbar, probinson, llvm-commits, cfe-commits
Differential Revision: http://reviews.llvm.org/D20757
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271468
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Xinliang David Li [Thu, 2 Jun 2016 01:52:05 +0000 (01:52 +0000)]
make icall pass name consistent /NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271467
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Kostya Serebryany [Thu, 2 Jun 2016 01:33:11 +0000 (01:33 +0000)]
[libFuzzer] use __sanitizer_print_memory_profile to print the memory profile on OOM
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271465
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Sanjoy Das [Thu, 2 Jun 2016 00:52:53 +0000 (00:52 +0000)]
Inline isDereferenceableFromAttribute; NFC
Now that `Value::getPointerDereferenceableBytes` looks beyond just
attributes, the name `isDereferenceableFromAttribute` is misleading.
Just inline the function, since it is small and only used once.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271456
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Sanjoy Das [Thu, 2 Jun 2016 00:52:48 +0000 (00:52 +0000)]
Remove Value::isPointerDereferenceable; NFCI
... and merge into `Value::getPointerDereferenceableBytes`. This was
suggested by Artur Pilipenko in D20764 -- since we no longer allow loads
of unsized types, there is no need anymore to have this special logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271455
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Tamas Berghammer [Thu, 2 Jun 2016 00:26:18 +0000 (00:26 +0000)]
Try to fix docs build after rL271440
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271452
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Vitaly Buka [Thu, 2 Jun 2016 00:06:42 +0000 (00:06 +0000)]
[asan] Rename *UAR* into *UseAfterReturn*
Summary:
To improve readability.
PR27453
Reviewers: kcc, eugenis, aizatsky
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20761
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271447
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Matt Arsenault [Thu, 2 Jun 2016 00:04:30 +0000 (00:04 +0000)]
AMDGPU: Fix incorrectly setting kill flag when copying register tuples
This fixes some verifier errors when trackLivenessAfterRegAlloc is
enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271446
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Matt Arsenault [Thu, 2 Jun 2016 00:04:26 +0000 (00:04 +0000)]
Make MachineCopyPropagation preserve CFG
This doesn't touch it as far as I can tell.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271445
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Matt Arsenault [Thu, 2 Jun 2016 00:04:22 +0000 (00:04 +0000)]
AMDGPU: SIDebuggerInsertNops preserves CFG
This saves an additional run of the DominatorTree and
MachineLoopInfo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271444
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Justin Bogner [Wed, 1 Jun 2016 23:29:26 +0000 (23:29 +0000)]
cmake: Fix color diags under ninja if the compiler is "AppleClang"
Apparently cmake differentiates between Clang and AppleClang, and we
fail to color our diagnostics if you have the latter. Fix that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271442
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NAKAMURA Takumi [Wed, 1 Jun 2016 23:03:46 +0000 (23:03 +0000)]
Rework r271439. I forgot to save the buffer for editing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271441
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Tamas Berghammer [Wed, 1 Jun 2016 23:00:45 +0000 (23:00 +0000)]
Add new LLVM_EXTERNAL_PROJECTS option to cmake
The new option makes it possible to build external projects as part of
the llvm build without copying (or symlinking) then into llvm/tool with
specifying a few additional cmake variables.
Example usage (2 additional project called foo and bar):
-DLLVM_EXTERNAL_PROJECTS="Foo;Bar"
-DLLVM_EXTERNAL_FOO_SOURCE_DIR=/src/foo
-DLLVM_EXTERNAL_BAR_SOURCE_DIR=/src/bar
Note: This is the extension of the approach we already support for
clang/lldb/poly with adding an option to specify additional supported
projects.
Differential revision: http://reviews.llvm.org/D20838
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271440
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NAKAMURA Takumi [Wed, 1 Jun 2016 22:59:06 +0000 (22:59 +0000)]
MappedBlockStreamTest.cpp: Simplify array initializers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271439
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Rafael Espindola [Wed, 1 Jun 2016 21:57:11 +0000 (21:57 +0000)]
Avoid a load for local functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271437
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