Richard Diamond [Thu, 13 Sep 2018 17:10:44 +0000 (17:10 +0000)]
[cmake] Fix missing DEPENDS.
Not sure how I didn't catch this.
llvm-svn: 342154
George Rimar [Thu, 13 Sep 2018 17:06:47 +0000 (17:06 +0000)]
[LLDB] - Improved DWARF5 support.
This patch improves the support of DWARF5.
Particularly the reporting of source code locations.
Differential revision: https://reviews.llvm.org/D51935
llvm-svn: 342153
Erich Keane [Thu, 13 Sep 2018 16:58:24 +0000 (16:58 +0000)]
[NFC]Refactor MultiVersion Resolver Emission to combine types
Previously, both types (plus the future target-clones) of
multiversioning had a separate ResolverOption structure and emission
function. This patch combines the two, at the expense of a slightly
more expensive sorting function.
llvm-svn: 342152
Alexey Bataev [Thu, 13 Sep 2018 16:54:05 +0000 (16:54 +0000)]
[OPENMP] Fix PR38903: Crash on instantiation of the non-dependent
declare reduction.
If the declare reduction construct with the non-dependent type is
defined in the template construct, the compiler might crash on the
template instantition. Reworked the whole instantiation scheme for the
declare reduction constructs to fix this problem correctly.
llvm-svn: 342151
Richard Diamond [Thu, 13 Sep 2018 16:39:52 +0000 (16:39 +0000)]
[cmake] Fix a unittest when `LLVM_LINK_LLVM_DYLIB` is requested.
llvm-svn: 342150
Sanjay Patel [Thu, 13 Sep 2018 16:18:12 +0000 (16:18 +0000)]
[InstCombine] remove checks for IsFreeToInvert()
I accidentally committed this diff with rL342147 because
I had applied D51964. We probably do need those checks,
but D51964 has tests and more discussion/motivation,
so they should be re-added with that patch.
llvm-svn: 342149
Richard Diamond [Thu, 13 Sep 2018 16:15:03 +0000 (16:15 +0000)]
Renovate CMake files in the `llvm-(cfi-verify|exegesis|mca)` tools.
llvm-svn: 342148
Sanjay Patel [Thu, 13 Sep 2018 16:04:06 +0000 (16:04 +0000)]
[InstCombine] reorder folds to reduce chance of infinite loops
I don't have a test case for this, but it's motivated by
the discussion in D51964, and I've added TODO comments for
the better fix - move simplifications into instsimplify
because that's more efficient and reduces risk of infinite
loops in instcombine caused by transforms trying to do the
opposite folds.
In this case, we know that the transform that tries to move
'not' through min/max can be fooled by the multiple uses
of a value in another min/max, so try to squash the
foldSPFofSPF() patterns first.
llvm-svn: 342147
Peter Smith [Thu, 13 Sep 2018 15:49:13 +0000 (15:49 +0000)]
[ELF] Guard --fix-cortex-a53-843419 against --just-syms
If --just-syms is used the mapping symbols from the ELF file will be
absolute symbols with no section. The code to process mapping symbols in
--fix-cortex-a53-843419 assumes that these symbols have a defining section
so a crash will result when --just-syms is used. The simple fix is to not
process the symbol when it doesn't have a section.
Fixes PR37971
Differential Revision: https://reviews.llvm.org/D52038
llvm-svn: 342146
Azharuddin Mohammed [Thu, 13 Sep 2018 15:40:19 +0000 (15:40 +0000)]
Add missing REQUIRES x86 to test/COFF/icf-safe.s
Reviewers: ruiu, pcc
Reviewed By: ruiu
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51764
llvm-svn: 342145
Azharuddin Mohammed [Thu, 13 Sep 2018 15:37:13 +0000 (15:37 +0000)]
Fix typo in error message. NFC.
Summary: It should be "wasm-ld", not "wasm-lld".
Reviewers: ruiu
Reviewed By: ruiu
Subscribers: aheejin, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51767
llvm-svn: 342144
Kirill Bobyrev [Thu, 13 Sep 2018 15:35:55 +0000 (15:35 +0000)]
[clangd] Fix Dexp build
%s/MaxCandidateCount/Limit/g after rL342138.
llvm-svn: 342143
Jonas Devlieghere [Thu, 13 Sep 2018 15:18:39 +0000 (15:18 +0000)]
[DWARFExpression] Read literars as unsigned values.
After landing r341457, we started seeing a failure on the swift-lldb
bots. The change was correct and pretty straightforward, a DW_OP_constu
was replaced with DW_OP_lit23, the value remaining identical.
0x000000f4: DW_TAG_variable
DW_AT_location (0x00000000
[0x0000000100000a51, 0x0000000100000d47): DW_OP_lit23, DW_OP_stack_value)
DW_AT_name ("number")
However, this broke LLDB.
(Int) number = <extracting data from value failed>
The value was read correctly, but apparently the value's type was different.
When reading a constu it was reading a uint64 (m_type = e_ulonglong) while for
the literal, it got a signed int (m_type = e_sint). This change makes sure we
read the value as an unsigned.
Differential revision: https://reviews.llvm.org/D51730
llvm-svn: 342142
Sam Parker [Thu, 13 Sep 2018 15:14:12 +0000 (15:14 +0000)]
[ARM] Allow truncs as sources in ARM CGP
We previously only allowed truncs as sinks, but now allow them as
sources too. We do this by checking that the result type is the
narrow type that we're trying to optimise for.
Differential Revision: https://reviews.llvm.org/D51978
llvm-svn: 342141
Sam Parker [Thu, 13 Sep 2018 14:48:10 +0000 (14:48 +0000)]
[ARM] Fix FixConst for ARMCodeGenPrepare
Part of FixConsts wrongly assumes either a 8- or 16-bit constant
which can result in the wrong constants being generated during
promotion.
Differential Revision: https://reviews.llvm.org/D52032
llvm-svn: 342140
David Bolvansky [Thu, 13 Sep 2018 14:27:32 +0000 (14:27 +0000)]
Print correctly dependency paths on Windows
Summary:
Before:
main.o: main.c ../include/lib\test.h
After:
main.o: main.c ../include/lib/test.h
Fixes PR38877
Reviewers: zturner
Subscribers: xbolva00, cfe-commits
Differential Revision: https://reviews.llvm.org/D51847
llvm-svn: 342139
Kirill Bobyrev [Thu, 13 Sep 2018 14:27:03 +0000 (14:27 +0000)]
[clangd] Cleanup FuzzyFindRequest filtering limit semantics
As discussed during D51860 review, it is better to use `llvm::Optional`
here as it has clear semantics which reflect intended behavior.
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D52028
llvm-svn: 342138
Kirill Bobyrev [Thu, 13 Sep 2018 14:21:50 +0000 (14:21 +0000)]
[clangd] Use JSON format in benchmark requests reader
After `FuzzyFindRequest` JSON (de)serialization was introduced, it
should replace ad-hoc fuzzy-find request parsing implemented in the
IndexBenchmark driver.
Reviewed By: ilya-biryukov
Differential Revision: https://reviews.llvm.org/D51971
llvm-svn: 342137
Jonas Devlieghere [Thu, 13 Sep 2018 13:13:50 +0000 (13:13 +0000)]
[MC/Dwarf] Unclamp DWARF linetables format on Darwin.
In r319995, we fixed the line table format to version 2 on Darwin
because dsymutil didn't yet understand the new format which caused test
failures for the LLDB bots. This has been resolved in the meantime so
there's no reason to keep this limitation.
rdar://problem/
35968332
llvm-svn: 342136
Sam McCall [Thu, 13 Sep 2018 12:58:36 +0000 (12:58 +0000)]
[clangd] Allow all LSP methods to signal cancellation via $/cancelRequest
Summary:
The cancelable scopes are managed by JSONRPCDispatcher so that all Handlers
run in cancelable contexts.
(Previously ClangdServer did this, for code completion only).
Cancellation request processing is therefore also in JSONRPCDispatcher.
(Previously it was in ClangdLSPServer).
This doesn't actually make any new commands *respect* cancellation - they'd
need to check isCancelled() and bail out. But it opens the door to doing
this incrementally, and putting such logic in common machinery like TUScheduler.
I also rewrote the ClangdServer class/threading comments because I wanted to
add to it and I got carried away.
Reviewers: ilya-biryukov, kadircet
Subscribers: ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D52004
llvm-svn: 342135
Eric Liu [Thu, 13 Sep 2018 12:53:23 +0000 (12:53 +0000)]
[clangd] Clarify and hide -index flag.
Summary:
The wording implies global index support, which is confusing.
As most users shouldn't care about this flag, also make it hidden to avoid
further confusion.
Reviewers: sammccall, ilya-biryukov
Subscribers: MaskRay, jkorous, arphaman, kadircet, cfe-commits
Differential Revision: https://reviews.llvm.org/D51977
llvm-svn: 342134
Matt Arsenault [Thu, 13 Sep 2018 12:14:31 +0000 (12:14 +0000)]
AMDGPU: Fix not preserving alignent in call setups
If an argument was passed on the stack, this
was using the default alignment.
I'm not sure there's an observable change from this. This
was observable due to bugs in expansion of unaligned
loads and stores, but since that is fixed I don't think
this matters much.
llvm-svn: 342133
Matt Arsenault [Thu, 13 Sep 2018 12:14:23 +0000 (12:14 +0000)]
DAG: Fix expansion of unaligned FP loads and stores
This was trying to scalarizing a scalar FP type,
resulting in an assert.
Fixes unaligned f64 stack stores for AMDGPU.
llvm-svn: 342132
Matt Arsenault [Thu, 13 Sep 2018 11:56:28 +0000 (11:56 +0000)]
AMDGPU: Fix some outdated datalayouts in tests
llvm-svn: 342131
Sam McCall [Thu, 13 Sep 2018 11:47:48 +0000 (11:47 +0000)]
[clangd] Simplify cancellation public API
Summary:
Task is no longer exposed:
- task cancellation is hidden as a std::function
- task creation returns the new context directly
- checking is via free function only, with no way to avoid the context lookup
The implementation is essentially the same, but a bit terser as it's hidden.
isCancelled() is now safe to use outside any task (it returns false).
This will leave us free to sprinkle cancellation in e.g. TUScheduler without
needing elaborate test setup, and lets callers that don't cancel "just work".
Updated the docs to describe the new expected use pattern.
One thing I noticed: there's nothing async-specific about the cancellation.
Async tasks can be cancelled from any thread (typically the one that created
them), sync tasks can be cancelled from any *other* thread in the same way.
So the docs now refer to "long-running" tasks instead of async ones.
Updated usage in code complete, without any structural changes.
I didn't update all the names of the helpers in ClangdLSPServer (these will
likely be moved to JSONRPCDispatcher anyway).
Reviewers: ilya-biryukov, kadircet
Subscribers: ioeric, MaskRay, jkorous, arphaman, jfb, cfe-commits
Differential Revision: https://reviews.llvm.org/D51996
llvm-svn: 342130
Kirill Bobyrev [Thu, 13 Sep 2018 11:40:12 +0000 (11:40 +0000)]
[docs] Provide pointers to known editor plugins and extensions
Many editors provide extensions and plugins with LSP Client
functionality. Many of these are known to work with Clangd, this patch
points users to the relevant resources for better experience.
Reviewed By: ioeric, ilya-biryukov
Differential Revision
llvm-svn: 342129
Simon Pilgrim [Thu, 13 Sep 2018 10:54:23 +0000 (10:54 +0000)]
Fix unused variable warning. NFCI.
llvm-svn: 342128
Tim Northover [Thu, 13 Sep 2018 10:28:05 +0000 (10:28 +0000)]
ARM: align loops to 4 bytes on Cortex-M3 and Cortex-M4.
The Technical Reference Manuals for these two CPUs state that branching
to an unaligned 32-bit instruction incurs an extra pipeline reload
penalty. That's bad.
This also enables the optimization at -Os since it costs on average one
byte per loop in return for 1 cycle per iteration, which is pretty good
going.
llvm-svn: 342127
Oliver Stannard [Thu, 13 Sep 2018 10:25:36 +0000 (10:25 +0000)]
[AArch64] Enable return address signing for static ctors
Functions generated by clang and included in the .init_array section (such as
static constructors) do not follow the usual code path for adding
target-specific function attributes, so we have to add the return address
signing attribute here too, as is currently done for the sanitisers.
Differential revision: https://reviews.llvm.org/D51418
llvm-svn: 342126
Simon Pilgrim [Thu, 13 Sep 2018 10:10:18 +0000 (10:10 +0000)]
Fix MSVC "illegal conversion; more than one user-defined conversion has been implicitly applied" warning. NFCI.
llvm-svn: 342125
Kirill Bobyrev [Thu, 13 Sep 2018 10:02:48 +0000 (10:02 +0000)]
[clangd] Don't create child AND and OR iterators with one posting list
`AND( AND( Child ) ... )` -> `AND( Child ... )`
`AND( OR( Child ) ... )` -> `AND( Child ... )`
This simple optimization results in 5-6% performance improvement in the
benchmark with 2000 serialized `FuzzyFindRequest`s.
Reviewed By: ilya-biryukov
Differential Revision: https://reviews.llvm.org/D52016
llvm-svn: 342124
Ilya Biryukov [Thu, 13 Sep 2018 09:44:11 +0000 (09:44 +0000)]
[clangd] Rename global-symbol-builder to clangd-indexer.
Summary:
Given that the indexer binary is put directly into ./bin directory
when built, 'clangd-' prefix seems to provide better context to the
reader than 'global-'.
The new name is also shorter and easier to type.
Reviewers: ioeric, sammccall, kadircet
Reviewed By: ioeric, sammccall
Subscribers: kbobyrev, ilya-biryukov, mgorny, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D51987
llvm-svn: 342123
Dean Michael Berris [Thu, 13 Sep 2018 09:25:42 +0000 (09:25 +0000)]
[XRay] Bug fixes for FDR custom event and arg-logging
Summary:
This change has a number of fixes for FDR mode in compiler-rt along with
changes to the tooling handling the traces in llvm.
In the runtime, we do the following:
- Advance the "last record" pointer appropriately when writing the
custom event data in the log.
- Add XRAY_NEVER_INSTRUMENT in the rewinding routine.
- When collecting the argument of functions appropriately marked, we
should not attempt to rewind them (and reset the counts of functions
that can be re-wound).
In the tooling, we do the following:
- Remove the state logic in BlockIndexer and instead rely on the
presence/absence of records to indicate blocks.
- Move the verifier into a loop associated with each block.
Reviewers: mboerger, eizan
Subscribers: llvm-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D51965
llvm-svn: 342122
Raphael Isemann [Thu, 13 Sep 2018 09:19:40 +0000 (09:19 +0000)]
Remove byte counting from SourceManager [NFC]
Summary:
Similar to what we did in D50681, we now stop manually byte counting here
in the SourceManager.
Reviewers: #lldb, JDevlieghere
Reviewed By: #lldb, JDevlieghere
Subscribers: JDevlieghere, abidh, lldb-commits
Differential Revision: https://reviews.llvm.org/D50809
llvm-svn: 342121
Alexander Timofeev [Thu, 13 Sep 2018 09:06:56 +0000 (09:06 +0000)]
[AMDGPU] Load divergence predicate refactoring
Differential revision: https://reviews.llvm.org/D51931
Reviewers: rampitec
llvm-svn: 342120
Simon Atanasyan [Thu, 13 Sep 2018 08:38:03 +0000 (08:38 +0000)]
[mips] Enable the mnemonic spell corrector
This implements suggesting alternative mnemonics when an invalid one is
specified. For example `addru $9, $6, 17767` leads to the following
error message:
error: unknown instruction, did you mean: add, addiu, addu, maddu?
Differential revision: https://reviews.llvm.org/D40646
llvm-svn: 342119
Clement Courbet [Thu, 13 Sep 2018 08:06:29 +0000 (08:06 +0000)]
[llvm-exegesis][NFC] Remove dead parameter.
llvm-svn: 342118
Clement Courbet [Thu, 13 Sep 2018 07:40:53 +0000 (07:40 +0000)]
[llvm-exegesis][NFC] Split BenchmarkRunner class
Summary:
The snippet-generation part goes to the SnippetGenerator class.
This will allow benchmarking arbitrary code (see PR38437).
Reviewers: gchatelet
Subscribers: mgorny, tschuett, llvm-commits
Differential Revision: https://reviews.llvm.org/D51979
llvm-svn: 342117
Owen Pan [Thu, 13 Sep 2018 07:27:15 +0000 (07:27 +0000)]
[clang-format] Wrapped block after case label should not be merged into one line
PR38854
Differential Revision: http://reviews.llvm.org/D51719
llvm-svn: 342116
Alexander Timofeev [Thu, 13 Sep 2018 06:34:56 +0000 (06:34 +0000)]
[AMDGPU] Preliminary patch for divergence driven instruction selection. Load offset inlining pattern changed.
Differential revision: https://reviews.llvm.org/D51975
Reviewers: rampitec
llvm-svn: 342115
Craig Topper [Thu, 13 Sep 2018 06:13:37 +0000 (06:13 +0000)]
[X86] Type legalize v2i32 div/rem by scalarizing rather than promoting
Summary:
Previously we type legalized v2i32 div/rem by promoting to v2i64. But we don't support div/rem of vectors so op legalization would then scalarize it using i64 scalar ops since it doesn't know about the original promotion. 64-bit scalar divides on Intel hardware are known to be slow and in 32-bit mode they require a libcall.
This patch switches type legalization to do the scalarizing itself using i32.
It looks like the division by power of 2 optimization is still kicking in and leaving the code as a vector. The division by other constant optimization doesn't kick in pre type legalization since it ignores illegal types. And previously, after type legalization we scalarized the v2i64 since we don't have v2i64 MULHS/MULHU support.
Another option might be to widen v2i32 to v4i32 so we could do division by constant optimizations, but we'd have to be careful to only do that for constant divisors or we risk scalaring to 4 scalar divides.
Reviewers: RKSimon, spatel
Reviewed By: spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51325
llvm-svn: 342114
Tanya Lattner [Thu, 13 Sep 2018 05:58:33 +0000 (05:58 +0000)]
Making pstl repository.
llvm-svn: 342111
Saleem Abdulrasool [Thu, 13 Sep 2018 04:55:08 +0000 (04:55 +0000)]
ARM: correct the relocation type for `bl` on WoA
The `IMAGE_REL_ARM_BRANCH20T` applies only to a `b.w` instruction. A
thumb-2 `bl` should be relocated using a `IMAGE_REL_ARM_BRANCH24T`.
Correct the relocation that we emit in such a case.
Resolves PR38620! Based on the patch by Jordan Rhee!
llvm-svn: 342109
Max Kazantsev [Thu, 13 Sep 2018 04:43:24 +0000 (04:43 +0000)]
[NFC] Add Requires: asserts where needed
llvm-svn: 342108
Max Kazantsev [Thu, 13 Sep 2018 04:00:39 +0000 (04:00 +0000)]
[NFC] Use expensive asserts in relevant LICM tests
llvm-svn: 342107
Thomas Lively [Thu, 13 Sep 2018 02:50:57 +0000 (02:50 +0000)]
Remove isAsCheapAsAMove from v128.const
llvm-svn: 342106
Thomas Lively [Thu, 13 Sep 2018 02:50:57 +0000 (02:50 +0000)]
Remove isAsCheapAsAMove from mem ops
llvm-svn: 342105
Thomas Lively [Thu, 13 Sep 2018 02:50:56 +0000 (02:50 +0000)]
[WebAssembly] Add missing SIMD instruction attributes
Summary:
These attributes are copied from equivalent instructions in
WebAssemblyInstrInfo.td.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51518
llvm-svn: 342104
Marshall Clow [Thu, 13 Sep 2018 02:23:52 +0000 (02:23 +0000)]
Mark LWG#3102 as complete. No code changes, but I updated a test or two
llvm-svn: 342103
David Blaikie [Thu, 13 Sep 2018 00:02:03 +0000 (00:02 +0000)]
STLExtras: Add some more algorithm wrappers
llvm-svn: 342102
David Blaikie [Thu, 13 Sep 2018 00:02:02 +0000 (00:02 +0000)]
DebugInfo/PDB: Remove unused member
llvm-svn: 342101
Tri Vo [Wed, 12 Sep 2018 23:45:04 +0000 (23:45 +0000)]
[AArch64] Support reserving x1-7 registers.
Summary: Reserving registers x1-7 is used to support CONFIG_ARM64_LSE_ATOMICS in Linux kernel. This change adds support for reserving registers x1 through x7.
Reviewers: javed.absar, efriedma, nickdesaulniers, srhines, phosek
Reviewed By: nickdesaulniers
Subscribers: manojgupta, jfb, cfe-commits, kristof.beyls
Differential Revision: https://reviews.llvm.org/D48581
llvm-svn: 342100
David Blaikie [Wed, 12 Sep 2018 23:39:51 +0000 (23:39 +0000)]
dwarfdump: Improve performance on large DWP files
llvm-svn: 342099
Richard Smith [Wed, 12 Sep 2018 23:37:58 +0000 (23:37 +0000)]
Remove dead code made unnecessary by r342018.
llvm-svn: 342098
Richard Smith [Wed, 12 Sep 2018 23:37:00 +0000 (23:37 +0000)]
Track definition merging on the canonical declaration even when local
submodule visibility is disabled.
Attempting to pick a specific declaration to make visible when the
module containing the merged declaration becomes visible is error-prone,
as we don't yet know which declaration we'll choose to be the definition
when we are informed of the merging.
This reinstates r342019, reverted in r342020. The regression previously
observed after this commit was fixed in r342096.
llvm-svn: 342097
Richard Smith [Wed, 12 Sep 2018 23:09:23 +0000 (23:09 +0000)]
When we leave a module header, make that header visible in its
includer's context, even if its overall module is unavailable.
llvm-svn: 342096
Sanjay Patel [Wed, 12 Sep 2018 23:03:50 +0000 (23:03 +0000)]
[DAGCombiner] improve formatting for select+setcc code; NFC
llvm-svn: 342095
Adrian Prantl [Wed, 12 Sep 2018 22:57:28 +0000 (22:57 +0000)]
fix 80-column violation with clang-format
llvm-svn: 342094
Zachary Turner [Wed, 12 Sep 2018 22:57:03 +0000 (22:57 +0000)]
[PDB] Remove all clone() methods.
These are dead code and encourage poor usage patterns, so I'm
removing them. They weren't called anywhere anyway.
llvm-svn: 342093
Vlad Tsyrklevich [Wed, 12 Sep 2018 22:16:14 +0000 (22:16 +0000)]
[TSan] Update test values
Similarly to before, D51985 again reduced the number of registers
required for the read/write routines causing this test to fail on
sanitizer-x86_64-linux-autoconf.
llvm-svn: 342092
Krzysztof Parzyszek [Wed, 12 Sep 2018 22:14:52 +0000 (22:14 +0000)]
[Hexagon] Use shuffles when lowering "gather" shufflevectors
Shufflevector instructions in LLVM IR that extract a subset of elements
of a longer input into a shorter vector can be done using VECTOR_SHUFFLEs.
This will avoid expanding them into constly extracts and inserts.
llvm-svn: 342091
Krzysztof Parzyszek [Wed, 12 Sep 2018 22:10:58 +0000 (22:10 +0000)]
[Hexagon] Improve the selection algorithm in scalarizeShuffle
Use topological ordering for newly generated nodes.
llvm-svn: 342090
Kristina Brooks [Wed, 12 Sep 2018 22:08:10 +0000 (22:08 +0000)]
[Support] sys::fs::directory_entry includes the file_type.
This is available on most platforms (Linux/Mac/Win/BSD) with no extra syscalls.
On other platforms (e.g. Solaris) we stat() if this information is requested.
This will allow switching clang's VFS to efficiently expose (path, type) when
traversing a directory. Currently it exposes an entire Status, but does so by
calling fs::status() on all platforms.
Almost all callers only need the path, and all callers only need (path, type).
Patch by sammccall (Sam McCall)
Differential Revision: https://reviews.llvm.org/D51918
llvm-svn: 342089
Vedant Kumar [Wed, 12 Sep 2018 21:59:38 +0000 (21:59 +0000)]
[llvm-cov] Delete custom JSON serialization code (NFC)
Teach llvm-cov to use the new llvm JSON library, and remove some
redundant/brittle JSON serialization tests.
llvm-svn: 342088
Lang Hames [Wed, 12 Sep 2018 21:49:02 +0000 (21:49 +0000)]
[ORC] Merge ExecutionSessionBase with ExecutionSession by moving a couple of
template methods in JITDylib out-of-line.
This also splits JITDylib::define into a pair of template methods, one taking an
lvalue reference and the other an rvalue reference. This simplifies the
templates at the cost of a small amount of code duplication.
llvm-svn: 342087
Lang Hames [Wed, 12 Sep 2018 21:48:59 +0000 (21:48 +0000)]
[ORC] Add a special 'main' JITDylib that is created on ExecutionSession
construction, a new convenience lookup method, and add-to layer methods.
ExecutionSession now creates a special 'main' JITDylib upon construction. All
subsequently created JITDylibs are added to the main JITDylib's search order by
default (controlled by the AddToMainDylibSearchOrder parameter to
ExecutionSession::createDylib). The main JITDylib's search order will be used in
the future to properly handle cross-JITDylib weak symbols, with the first
definition in this search order selected.
This commit also adds a new ExecutionSession::lookup convenience method that
performs a blocking lookup using the main JITDylib's search order, as this will
be a very common operation for clients.
Finally, new convenience overloads of IRLayer and ObjectLayer's add methods are
introduced that add the given program representations to the main dylib, which
is likely to be the common case.
llvm-svn: 342086
Jason Molenda [Wed, 12 Sep 2018 21:35:02 +0000 (21:35 +0000)]
Commit my attempt to test the change to ProcessGDBRemote
in r336956. This test doesn't actually test the change
that was submitted by Venkata, but it's a good one to
add.
llvm-svn: 342085
Heejin Ahn [Wed, 12 Sep 2018 21:34:39 +0000 (21:34 +0000)]
[WebAssembly] Make tied inline asm operands work again
Summary:
rL341389 broke code with tied register operands in inline assembly. For
example, `asm("" : "=r"(var) : "0"(var));`
The code above specifies the input operand to be in the same register
with the output operand, tying the two register. This patch makes this
kind of code work again.
Reviewers: dschuff
Subscribers: sbc100, jgravelle-google, eraman, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51991
llvm-svn: 342084
Sanjay Patel [Wed, 12 Sep 2018 21:29:11 +0000 (21:29 +0000)]
revert r341288 - [Reassociate] swap binop operands to increase factoring potential
This causes or exposes indeterminism that is visible in the output of -reassociate.
llvm-svn: 342083
Sanjay Patel [Wed, 12 Sep 2018 21:13:37 +0000 (21:13 +0000)]
[InstCombine] add tests for unsigned add overflow; NFC
llvm-svn: 342082
Michael Berg [Wed, 12 Sep 2018 21:09:59 +0000 (21:09 +0000)]
Guard FMF context by excluding some FP operators from FPMathOperator
Summary:
Some FPMathOperators succeed and the retrieve FMF context when they never have it, we should omit these cases to keep from removing FMF context.
For instance when we visit some FPMathOperator mapped Instructions which never have FMF flags and a Node was associated which does have FMF flags, that Node today will have all its flags cleared via the intersect operation. With this change, we exclude associating Nodes that never have FPMathOperator status under FMF.
Reviewers: spatel, wristow, arsenm, hfinkel, aemerson
Reviewed By: spatel
Subscribers: llvm-commits, wdng
Differential Revision: https://reviews.llvm.org/D51145
llvm-svn: 342081
Zachary Turner [Wed, 12 Sep 2018 21:02:01 +0000 (21:02 +0000)]
[PDB] Emit old fpo data to the PDB file.
r342003 added support for emitting FPO data from the
DEBUG_S_FRAMEDATA subsection of the .debug$S section to the PDB
file. However, that is not the end of the story. FPO can end
up in two different destinations in a PDB, each corresponding to
a different FPO data source.
The case handled by r342003 involves copying data from the
DEBUG_S_FRAMEDATA subsection of the .debug$S section to the
"New FPO" stream in the PDB, which is then referred to by the
DBI stream. The case handled by this patch involves copying
records from the .debug$F section of an object file to the "FPO"
stream (or perhaps more aptly, the "Old FPO" stream) in the PDB
file, which is also referred to by the DBI stream.
The formats are largely similar, and the difference is mostly
only visible in masm generated object files, such as some of the
low-level CRT object files like memcpy. MASM doesn't appear to
support writing the DEBUG_S_FRAMEDATA subsection, and instead
just writes these records to the .debug$F section.
Although clang-cl does not emit a .debug$F section ever, lld still
needs to support it so we have good debugging for CRT functions.
Differential Revision: https://reviews.llvm.org/D51958
llvm-svn: 342080
Krzysztof Parzyszek [Wed, 12 Sep 2018 20:58:48 +0000 (20:58 +0000)]
[Hexagon] Use legalized type for extracted elements in scalarizeShuffle
Scalarization of a shuffle will break up the source vectors into individual
elements, and use them to assemble the resulting vector. An element type of
a legal vector type may not necessarily be a legal scalar type, so make
sure that the extracted values are extended to a legal scalar type.
llvm-svn: 342079
Brendon Cahoon [Wed, 12 Sep 2018 20:35:56 +0000 (20:35 +0000)]
[Hexagon] Remove fp-contract=fast setting for at O3
Change Hexagon so that the setting for fp-contract is the default setting.
This makes Hexagon consistent with all other targets.
Differential Revision: https://reviews.llvm.org/D49999
llvm-svn: 342078
Konstantin Zhuravlyov [Wed, 12 Sep 2018 20:25:39 +0000 (20:25 +0000)]
AMDGPU: Print all kernel descriptor directives (including the ones with default values)
Change by Tony Tye
Differential Revision: https://reviews.llvm.org/D51954
llvm-svn: 342077
Roman Lebedev [Wed, 12 Sep 2018 20:06:46 +0000 (20:06 +0000)]
[NFC][InstCombine] Drop newly-added interference-tests-for-high-bit-check.ll
Now that i have actually double-checked, no,
there is no such interference possible...
llvm-svn: 342076
David Bolvansky [Wed, 12 Sep 2018 19:50:45 +0000 (19:50 +0000)]
Do not create new terminals when launching process on Windows with --no-stdio
Summary: Partially fixes PR38222
Reviewers: teemperor, zturner, stella.stamenova
Reviewed By: zturner, stella.stamenova
Subscribers: JDevlieghere, clayborg, labath, abidh, lldb-commits
Differential Revision: https://reviews.llvm.org/D51966
llvm-svn: 342075
Roman Lebedev [Wed, 12 Sep 2018 19:44:26 +0000 (19:44 +0000)]
[NFC][InstCombine] R38708 - inefficient pattern for high-bits checking.
More complicated, canonical pattern:
https://rise4fun.com/Alive/uhA
https://godbolt.org/z/o4RB8D
Also, we need to be careful not to skip some patters...
https://bugs.llvm.org/show_bug.cgi?id=38708
llvm-svn: 342074
Marshall Clow [Wed, 12 Sep 2018 19:41:40 +0000 (19:41 +0000)]
Implement the infrastructure for feature-test macros. Very few actual feature test macros, though. Reviewed as: https://reviews.llvm.org/D51955
llvm-svn: 342073
Jason Molenda [Wed, 12 Sep 2018 19:30:03 +0000 (19:30 +0000)]
If we fail to get an armv7em-- disassembler from llvm, skip the
tests and don't mark this as a failure. This happens when we've
linked against an llvm without the ARM target built in. Davide
added some cmake conditionals to avoid building this test when the
target was absent from llvm's build, but we're still finding some
bots that manage to get in this situation.
<rdar://problem/
44270082>
llvm-svn: 342072
Marshall Clow [Wed, 12 Sep 2018 18:53:02 +0000 (18:53 +0000)]
Actually mark LWG#2953, don't just say you've done so in r342070
llvm-svn: 342071
Marshall Clow [Wed, 12 Sep 2018 18:51:12 +0000 (18:51 +0000)]
mark LWG#2953 as complete. No code changes required, but added a couple of extra tests.
llvm-svn: 342070
Konstantin Zhuravlyov [Wed, 12 Sep 2018 18:50:47 +0000 (18:50 +0000)]
AMDGPU: Re-apply r341982 after fixing the layering issue
Move isa version determination into TargetParser.
Also switch away from target features to CPU string when
determining isa version. This fixes an issue when we
output wrong isa version in the object code when features
of a particular CPU are altered (i.e. gfx902 w/o xnack
used to result in gfx900).
llvm-svn: 342069
Matt Davis [Wed, 12 Sep 2018 18:27:21 +0000 (18:27 +0000)]
[Diagnostic] Fix a warning typo. NFC.
s/aligment/alignment/
llvm-svn: 342068
Roman Lebedev [Wed, 12 Sep 2018 18:19:43 +0000 (18:19 +0000)]
[InstCombine] Inefficient pattern for high-bits checking (PR38708)
Summary:
It is sometimes important to check that some newly-computed value
is non-negative and only `n` bits wide (where `n` is a variable.)
There are **many** ways to check that:
https://godbolt.org/z/o4RB8D
The last variant seems best?
(I'm sure there are some other variations i haven't thought of..)
Let's handle the second variant first, since it is much simpler.
https://rise4fun.com/Alive/LYjY
https://bugs.llvm.org/show_bug.cgi?id=38708
Reviewers: spatel, craig.topper, RKSimon
Reviewed By: spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51985
llvm-svn: 342067
Alex Langford [Wed, 12 Sep 2018 18:10:22 +0000 (18:10 +0000)]
Add compatibility version to liblldb in framework builds
Summary:
Building LLDB with xcodebuild sets the compatibility version of liblldb
in LLDB.framework. Building the framework with cmake does not set the
compatibility version, and so it defaults to 0.0.0. This is a discrepency in the
difference between the xcode build and the cmake build.
I tested this change by building without this patch. From the build tree I ran
`otool -L Library/Frameworks/LLDB.framework/Versions/A/LLDB` and got this:
```
@rpath/LLDB.framework/Versions/A/LLDB (compatibility version 0.0.0, current version 8.0.0)
```
Did the same with this patch and the output contained this:
```
@rpath/LLDB.framework/Versions/A/LLDB (compatibility version 1.0.0, current version 8.0.0)
```
Reviewers: clayborg, labath
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D51959
llvm-svn: 342066
Julie Hockett [Wed, 12 Sep 2018 17:56:31 +0000 (17:56 +0000)]
[objcopy] make objcopy follow program header standards
Submitted on behalf of Armando Montanez (amontanez@google.com).
Objects with unused program headers copied by objcopy would always have
nonzero values for program header offset and program header entry size.
While technically valid, this atypical behavior triggers warnings in some
tools. This change sets the two fields to zero when the program header is
unused, better fitting the general expectations for unused program header
data.
Section headers behaved somewhat similarly (though only with the entry size),
and are fixed in this revision as well.
Differential Revision: https://reviews.llvm.org/D51961
llvm-svn: 342065
Thomas Lively [Wed, 12 Sep 2018 17:56:00 +0000 (17:56 +0000)]
[WebAssembly] SIMD comparisons
Summary:
Match the ordering semantics of non-vector comparisons. For
floating point comparisons that do not correspond to instructions, the
tests check that some vector comparison instruction was emitted but do
not care about the full implementation.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51765
llvm-svn: 342064
Marshall Clow [Wed, 12 Sep 2018 16:59:09 +0000 (16:59 +0000)]
Update the failure annotations for the uncaught_exceptions test. The underlying abi library on some Mac OS versions does not support the plural uncaught_exceptions, so libc++ emulates it from the singlar; this means it will only return 0 or 1.
llvm-svn: 342063
Alexey Bataev [Wed, 12 Sep 2018 16:31:59 +0000 (16:31 +0000)]
[OPENMP] Fix PR38902: support ADL for declare reduction constructs.
Added support for argument-dependent lookup when trying to find the
required declare reduction decl.
llvm-svn: 342062
Diogo N. Sampaio [Wed, 12 Sep 2018 16:24:43 +0000 (16:24 +0000)]
[ARM] Tighten f64<->f16 conversion requirements
Fix missing Requires fields.
Patch by Bernard Ogden (bogden)
Reviewers: SjoerdMeijer, javed.absar, t.p.northover
Reviewed By: t.p.northover
Differential Revision: https://reviews.llvm.org/D51631
llvm-svn: 342061
Roger Ferrer Ibanez [Wed, 12 Sep 2018 15:55:14 +0000 (15:55 +0000)]
[RISCV] Explicitly set an empty --sysroot in the test
In rL341655 we added additional behaviour to the Driver for riscv32-unknown-elf
when the sysroot is empty.
The new tests that check the new behaviour expect that the absence of --sysroot
in the command-line implies that the sysroot empty. This doesn't hold if clang
is built with a non-empty DEFAULT_SYSROOT in cmake. When this is the case, this
test fails.
Since the new behaviour is triggered when the sysroot is empty, pass an empty
--sysroot to avoid using the default (if any).
Differential Revision: https://reviews.llvm.org/D51972
llvm-svn: 342060
Craig Topper [Wed, 12 Sep 2018 15:47:34 +0000 (15:47 +0000)]
[X86] Remove isel patterns for ADCX instruction
There's no advantage to this instruction unless you need to avoid touching other flag bits. It's encoding is longer, it can't fold an immediate, it doesn't write all the flags.
I don't think gcc will generate this instruction either.
Fixes PR38852.
Differential Revision: https://reviews.llvm.org/D51754
llvm-svn: 342059
Florian Hahn [Wed, 12 Sep 2018 14:52:38 +0000 (14:52 +0000)]
[PatternMatch] Use generic One,Two,ThreeOps_match classes (NFC).
Currently we have a few duplicated matcher classes, which all do pretty
much the same thing. This patch introduces generic
One,Tow,ThreeOps_match classes which take the opcode the match as
template argument.
Reviewers: SjoerdMeijer, dneilson, spatel, arsenm
Reviewed By: SjoerdMeijer
Differential Revision: https://reviews.llvm.org/D51044
llvm-svn: 342058
Marshall Clow [Wed, 12 Sep 2018 14:46:17 +0000 (14:46 +0000)]
Implement LWG #3017. list splice functions should use addressof
llvm-svn: 342057
Wolfgang Pieb [Wed, 12 Sep 2018 14:40:04 +0000 (14:40 +0000)]
Reverting r342048, which caused UBSan failures in dsymutil.
llvm-svn: 342056
Alexandros Lamprineas [Wed, 12 Sep 2018 14:28:23 +0000 (14:28 +0000)]
[GVNHoist] computeInsertionPoints() miscalculates IDF
Fix for https://bugs.llvm.org/show_bug.cgi?id=38912.
In GVNHoist::computeInsertionPoints() we iterate over the Value
Numbers and calculate the Iterated Dominance Frontiers without
clearing the IDFBlocks vector first. IDFBlocks ends up accumulating
an insane number of basic blocks, which bloats the compilation time
of SemaChecking.cpp with ubsan enabled.
Differential Revision: https://reviews.llvm.org/D51980
llvm-svn: 342055
Roman Lebedev [Wed, 12 Sep 2018 14:11:37 +0000 (14:11 +0000)]
[NFC][InstCombine] R38708 - inefficient pattern for high-bits checking.
The simplest pattern for now:
https://rise4fun.com/Alive/LYjY
https://godbolt.org/z/o4RB8D
https://bugs.llvm.org/show_bug.cgi?id=38708
llvm-svn: 342054
David Green [Wed, 12 Sep 2018 14:09:06 +0000 (14:09 +0000)]
[CodeGen] Align rtti and vtable data
Previously the alignment on the newly created rtti/typeinfo data was largely
not set, meaning that DataLayout::getPreferredAlignment was free to overalign
it to 16 bytes. This causes unnecessary code bloat.
Differential Revision: https://reviews.llvm.org/D51416
llvm-svn: 342053
Simon Pilgrim [Wed, 12 Sep 2018 12:56:58 +0000 (12:56 +0000)]
Fix MSVC "not all control paths return a value" warnings. NFCI.
llvm-svn: 342052