Heejin Ahn [Thu, 10 Jan 2019 23:12:07 +0000 (23:12 +0000)]
[WebAssembly] Fix stack pointer store check in RegStackify
Summary:
We now use __stack_pointer global and global.get/global.set instruction.
This fixes the checking routine for stack_pointer writes accordingly.
This also fixes the existing __stack_pointer test in reg-stackify.ll:
That test used to pass not because of __stack_pointer clashes but
because the function `stackpointer_callee` was not marked as `readnone`,
so it was assumed to possibly write to memory arbitraily, and
`global.set` instruction was marked as `mayStore` in the .td definition,
so they were identified as intervening writes. After we added `readnone`
to its attribute, this test fails without this patch.
Reviewers: dschuff, sunfish
Subscribers: jgravelle-google, sbc100, llvm-commits
Differential Revision: https://reviews.llvm.org/D56094
llvm-svn: 350906
Nico Weber [Thu, 10 Jan 2019 23:10:04 +0000 (23:10 +0000)]
gn build: Add a template for calling write_cmake_config.py
No behavior change.
Differential Revision: https://reviews.llvm.org/D56487
llvm-svn: 350905
Nico Weber [Thu, 10 Jan 2019 23:05:39 +0000 (23:05 +0000)]
gn build: Merge r350852
llvm-svn: 350904
Anton Korobeynikov [Thu, 10 Jan 2019 22:59:50 +0000 (22:59 +0000)]
[MSP430] Minor fixes/improvements for assembler/disassembler
* Teach AsmParser to recognize @rn in distination operand as 0(rn).
* Do not allow Disassembler decoding instructions that have size more
than a number of input bytes.
* Fix UB in MSP430MCCodeEmitter.
Patch by Kristina Bessonova!
Differential Revision: https://reviews.llvm.org/D56547
llvm-svn: 350903
Anton Korobeynikov [Thu, 10 Jan 2019 22:54:53 +0000 (22:54 +0000)]
[MSP430] Add missing instruction forms
* Add missing mm, [r|m]n, [r|m]p instruction forms.
* Fix bit16mc instruction.
Patch by Kristina Bessonova!
Differential Revision: https://reviews.llvm.org/D56546
llvm-svn: 350902
Thomas Lively [Thu, 10 Jan 2019 22:32:11 +0000 (22:32 +0000)]
[WebAssembly] Add unimplemented-simd128 subtarget feature
Summary:
This is a third attempt, but this time we have vetted it on Windows
first. The previous errors were due to an uninitialized class member.
Reviewers: aheejin
Subscribers: dschuff, sbc100, jgravelle-google, sunfish, jfb, llvm-commits
Differential Revision: https://reviews.llvm.org/D56560
llvm-svn: 350901
Sterling Augustine [Thu, 10 Jan 2019 22:25:58 +0000 (22:25 +0000)]
Properly support -shared-libgcc.
This revision was revied in D55016.
llvm-svn: 350900
Martin Storsjo [Thu, 10 Jan 2019 22:05:21 +0000 (22:05 +0000)]
[llvm-objcopy] [COFF] Fix a test matching pathnames for Windows. NFC.
llvm-svn: 350899
Martin Storsjo [Thu, 10 Jan 2019 21:59:41 +0000 (21:59 +0000)]
[llvm-objcopy] [COFF] Fix warnings abuilt missing field initialization. NFC.
llvm-svn: 350898
Peter Collingbourne [Thu, 10 Jan 2019 21:57:07 +0000 (21:57 +0000)]
gn build: Use "git rev-parse --git-dir" to discover the path to the .git directory.
This makes it compatible with worktrees.
Differential Revision: https://reviews.llvm.org/D56422
llvm-svn: 350897
Gerolf Hoflehner [Thu, 10 Jan 2019 21:53:13 +0000 (21:53 +0000)]
[MachineCombiner][NFC] Prevent dereferencing past-the-end object in an MRI container
llvm-svn: 350896
Alina Sbirlea [Thu, 10 Jan 2019 21:47:15 +0000 (21:47 +0000)]
[MemorySSA] Disable checkClobberSanity for SkipSelfWalker.
Sanity will fail for this, since we're exploring getting a clobber
further than the sanity check expects.
Ideally we need to teach the sanity check to differentiate between the
two walkers based on the SkipSelf bool in the query.
llvm-svn: 350895
Nico Weber [Thu, 10 Jan 2019 21:47:10 +0000 (21:47 +0000)]
gn build: Merge r350893
llvm-svn: 350894
Martin Storsjo [Thu, 10 Jan 2019 21:28:24 +0000 (21:28 +0000)]
[llvm-objcopy] [COFF] Add support for removing symbols
Differential Revision: https://reviews.llvm.org/D55881
llvm-svn: 350893
Aaron Ballman [Thu, 10 Jan 2019 21:22:28 +0000 (21:22 +0000)]
Update clang-tools-extra for r350891 from Clang.
llvm-svn: 350892
Aaron Ballman [Thu, 10 Jan 2019 21:22:13 +0000 (21:22 +0000)]
Correct the source range returned from preprocessor callbacks.
This adjusts the source range passed in to the preprocessor callbacks to only include the condition range itself, rather than all of the conditionally skipped tokens.
llvm-svn: 350891
Stephen Kelly [Thu, 10 Jan 2019 20:58:21 +0000 (20:58 +0000)]
NFC: Change case of identifiers
llvm-svn: 350890
Zachary Turner [Thu, 10 Jan 2019 20:57:50 +0000 (20:57 +0000)]
Change SymbolFile::ParseTypes to ParseTypesForCompileUnit.
The function SymbolFile::ParseTypes previously accepted a SymbolContext.
This makes it extremely difficult to implement faithfully, because you
have to account for all possible combinations of members being set in
the SymbolContext. On the other hand, no clients of this function
actually care about implementing this function to this strict of a
standard. AFAICT, there is actually only 1 client in the entire
codebase, and it is the function ParseAllDebugSymbols, which is itself
only called for testing purposes when dumping information. At this
call-site, the only field it sets is the CompileUnit, meaning that an
implementer of a SymbolFile need not worry about any examining or
handling any other fields which might be set.
By restricting this API to accept exactly a CompileUnit& and nothing
more, we can simplify the life of new SymbolFile plugin implementers by
making it clear exactly what the necessary and sufficient set of
functionality they need to implement is, while at the same time removing
some dead code that tried to handle other types of SymbolContext fields
that were never going to be set anyway.
Differential Revision: https://reviews.llvm.org/D56462
llvm-svn: 350889
Zachary Turner [Thu, 10 Jan 2019 20:57:32 +0000 (20:57 +0000)]
[NativePDB] Add support for parsing typedef records.
Typedefs are represented as S_UDT records in the globals stream. This
creates a strange situation where "types" are actually represented as
"symbols", so they need special handling.
In order to test this, we don't just use lldb and print out some
variables causing the AST to get created, because variables whose type
is a typedef will have debug info referencing the original type, not the
typedef. So we use lldb-test instead which will parse all debug info in
the entire file. This exposed some problems with lldb-test and the
native reader, mainly that certain types of obscure symbols which we can
find when iterating every single record would trigger crashes. These
have been fixed as well so that lldb-test can be used to test this
functionality.
Differential Revision: https://reviews.llvm.org/D56461
llvm-svn: 350888
Akira Hatanaka [Thu, 10 Jan 2019 20:12:16 +0000 (20:12 +0000)]
[Sema] Call CheckPlaceholderExpr to resolve typeof or decltype
placeholder expressions while an unevaluated context is still on the
expression evaluation context stack.
This prevents recordUseOfWeek from being called when a weak variable is
used as an operand of a decltype or a typeof expression and fixes
spurious -Warc-repeated-use-of-weak warnings.
rdar://problem/
45742525
Differential Revision: https://reviews.llvm.org/D55662
llvm-svn: 350887
Sanjoy Das [Thu, 10 Jan 2019 20:12:09 +0000 (20:12 +0000)]
Avoid use-after-free in ~LegacyRTDyldObjectLinkingLayer
Reviewers: lhames
Subscribers: mcrosier, jlebar, bixia, llvm-commits
Differential Revision: https://reviews.llvm.org/D56521
llvm-svn: 350886
Yaxun Liu [Thu, 10 Jan 2019 20:09:52 +0000 (20:09 +0000)]
[HIP] Use nul instead of /dev/null when running on windows
When clang is running on windows, /dev/null is not available. Use nul as empty input file instead.
Differential Revision: https://reviews.llvm.org/D56225
llvm-svn: 350885
Louis Dionne [Thu, 10 Jan 2019 20:06:11 +0000 (20:06 +0000)]
[libcxx] Reorganize tests since the application of P0602R4
Summary:
P0602R4 makes the special member functions of optional and variant
conditionally trivial based on the types in the optional/variant.
We already implemented that, but the tests were organized as if this
were a non-standard extension. This patch reorganizes the tests in a
way that makes more sense since this is not an extension anymore.
Reviewers: EricWF, mpark, mclow.lists
Subscribers: christof, jkorous, dexonsmith, libcxx-commits
Differential Revision: https://reviews.llvm.org/D54772
llvm-svn: 350884
Julian Lettner [Thu, 10 Jan 2019 20:04:33 +0000 (20:04 +0000)]
[TSan] Remove ignore_interceptors_accesses flag
Summary:
It has been superseded by the `ignore_noninstrumented_modules` flag and is no longer needed.
Also simplify a test that checks that `mmap_interceptor` respects ignore annotations (`thr->ignore_reads_and_writes `).
Relevant: https://reviews.llvm.org/rL269855
<rdar://problem/
46263073> Remove obsolete Apple-specific suppression option
Reviewers: dcoughlin, kubamracek, dvyukov, delcypher
Reviewed By: dvyukov
Subscribers: jfb, llvm-commits, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D55075
llvm-svn: 350883
Michal Gorny [Thu, 10 Jan 2019 19:56:57 +0000 (19:56 +0000)]
[sanitizer_common] Define __sanitizer_FILE on NetBSD
Differential Revision: https://reviews.llvm.org/D56109
llvm-svn: 350882
Michal Gorny [Thu, 10 Jan 2019 19:56:50 +0000 (19:56 +0000)]
[sanitizer_common] Remove support for tirpc/rpc/xdr.h
Remove the partial support for rpc/xdr.h from libtirpc. Since it is
an entirely external library, we ought to build it sanitized separately
and not attempt to intercept like the libc implementation. Besides,
the existing code for tirpc support was neither complete nor working.
Noted by @krytarowski.
Differential Revision: https://reviews.llvm.org/D47817
llvm-svn: 350881
Matt Davis [Thu, 10 Jan 2019 19:56:03 +0000 (19:56 +0000)]
[GVN] Update BlockRPONumber prior to use.
Summary:
The original patch addressed the use of BlockRPONumber by forcing a sequence point when accessing that map in a conditional. In short we found cases where that map was being accessed with blocks that had not yet been added to that structure. For context, I've kept the wall of text below, to what we are trying to fix, by always ensuring a updated BlockRPONumber.
== Backstory ==
I was investigating an ICE (segfault accessing a DenseMap item). This failure happened non-deterministically, with no apparent reason and only on a Windows build of LLVM (from October 2018).
After looking into the crashes (multiple core files) and running DynamoRio, the cores and DynamoRio (DR) log pointed to the same code in `GVN::performScalarPRE()`. The values in the map are unsigned integers, the keys are `llvm::BasicBlock*`. Our test case that triggered this warning and periodic crash is rather involved. But the problematic line looks to be:
GVN.cpp: Line 2197
```
if (BlockRPONumber[P] >= BlockRPONumber[CurrentBlock] &&
```
To test things out, I cooked up a patch that accessed the items in the map outside of the condition, by forcing a sequence point between accesses. DynamoRio stopped warning of the issue, and the test didn't seem to crash after 1000+ runs.
My investigation was on an older version of LLVM, (source from October this year). What it looks like was occurring is the following, and the assembly from the latest pull of llvm in December seems to confirm this might still be an issue; however, I have not witnessed the crash on more recent builds. Of course the asm in question is generated from the host compiler on that Windows box (not clang), but it hints that we might want to consider how we access the BlockRPONumber map in this conditional (line 2197, listed above). In any case, I don't think the host compiler is wrong, rather I think it is pointing out a possibly latent bug in llvm.
1) There is no sequence point for the `>=` operation.
2) A call to a `DenseMapBase::operator[]` can have the side effect of the map reallocating a larger store (more Buckets, via a call to `DenseMap::grow`).
3) It seems perfectly legal for a host compiler to generate assembly that stores the result of a call to `operator[]` on the stack (that's what my host compile of GVN.cpp is doing) . A second call to `operator[]` //might// encourage the map to 'grow' thus making any pointers to the map's store invalid. The `>=` compares the first and second values. If the first happens to be a pointer produced from operator[], it could be invalid when dereferenced at the time of comparison.
The assembly generated from the Window's host compiler does show the result of the first access to the map via `operator[]` produces a pointer to an unsigned int. And that pointer is being stored on the stack. If a second call to the map (which does occur) causes the map to grow, that address (on the stack) is now invalid.
Reviewers: t.p.northover, efriedma
Reviewed By: efriedma
Subscribers: efriedma, llvm-commits
Differential Revision: https://reviews.llvm.org/D55974
llvm-svn: 350880
Alina Sbirlea [Thu, 10 Jan 2019 19:29:04 +0000 (19:29 +0000)]
Use MemorySSA in LICM to do sinking and hoisting.
Summary:
Step 2 in using MemorySSA in LICM:
Use MemorySSA in LICM to do sinking and hoisting, all under "EnableMSSALoopDependency" flag.
Promotion is disabled.
Enable flag in LICM sink/hoist tests to test correctness of this change. Moved one test which
relied on promotion, in order to test all sinking tests.
Reviewers: sanjoy, davide, gberry, george.burgess.iv
Subscribers: llvm-commits, Prazek
Differential Revision: https://reviews.llvm.org/D40375
llvm-svn: 350879
Nick Desaulniers [Thu, 10 Jan 2019 19:26:35 +0000 (19:26 +0000)]
fixup: sphinx warning
Fixes the sphinx warning:
tools/clang/docs/DiagnosticsReference.rst:7889: WARNING: Title underline
too short.
That I just introduced in r350877.
llvm-svn: 350878
Nick Desaulniers [Thu, 10 Jan 2019 19:12:39 +0000 (19:12 +0000)]
[SemaCXX] add -Woverride-init alias to -Winitializer-overrides
Summary:
https://bugs.llvm.org/show_bug.cgi?id=40251
https://github.com/ClangBuiltLinux/linux/issues/307
Reviewers: rsmith
Reviewed By: rsmith
Subscribers: cfe-commits, nathanchance, srhines
Differential Revision: https://reviews.llvm.org/D56522
llvm-svn: 350877
Adrian Prantl [Thu, 10 Jan 2019 19:06:46 +0000 (19:06 +0000)]
lldbtest.py: try to fix a runtime exception
found on http://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake-matrix/32/consoleFull#
15046896708254eaf0-7326-4999-85b0-
388101f2d404
llvm-svn: 350876
Craig Topper [Thu, 10 Jan 2019 19:05:34 +0000 (19:05 +0000)]
[X86] Call SimplifyDemandedBits on conditions of X86ISD::SHRUNKBLEND
This extends to combineVSelectToShrunkBlend to be able to resimplify SHRUNKBLENDS that have already been created.
This should help some of the regressions from D56387
Differential Revision: https://reviews.llvm.org/D56421
llvm-svn: 350875
Nicolas Lesser [Thu, 10 Jan 2019 19:03:33 +0000 (19:03 +0000)]
Fix false positive unsequenced access and modification warning in array subscript expression.
Summary: In the [expr.sub] p1, we can read that for a given E1[E2], E1 is sequenced before E2.
Patch by Mateusz Janek.
Reviewers: rsmith, Rakete1111
Reviewed By: rsmith, Rakete1111
Subscribers: riccibruno, lebedev.ri, Rakete1111, hiraditya, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D50766
llvm-svn: 350874
Craig Topper [Thu, 10 Jan 2019 19:02:14 +0000 (19:02 +0000)]
[X86] Simplify the BRCOND handling for FCMP_UNE.
Despite what the comment says, FCMP_UNE would be an OR not an AND. In the lowering code the first branch created still goes to the original destination. The second branch was exchanged to go to where the subsequent unconditional branch went. This is different than what we do for FCMP_OEQ where both branches that we create go to the original unconditional branch.
As far as I can tell, I think this means we don't need to exchange the branch target with the unconditional branch for FCMP_UNE at all.
Differential Revision: https://reviews.llvm.org/D56309
llvm-svn: 350873
JF Bastien [Thu, 10 Jan 2019 18:50:34 +0000 (18:50 +0000)]
Filesystem tests: fix fs.op.relative
Summary: The test wasn't using the testing infrastructure properly.
Reviewers: ldionne, mclow.lists, EricWF
Subscribers: christof, jkorous, dexonsmith, libcxx-commits
Differential Revision: https://reviews.llvm.org/D56519
llvm-svn: 350872
Francis Visoiu Mistrih [Thu, 10 Jan 2019 18:32:30 +0000 (18:32 +0000)]
[llvm-objdump][MachO] Fix test to work on Windows
This fails in http://lab.llvm.org:8011/builders/clang-x64-windows-msvc/builds/3208/steps/stage%201%20check/logs/stdio.
llvm-svn: 350871
George Karpenkov [Thu, 10 Jan 2019 18:28:10 +0000 (18:28 +0000)]
[analyzer] [hotfix] Fix the tests
The error must have crept during the cherry-pick.
llvm-svn: 350870
George Karpenkov [Thu, 10 Jan 2019 18:16:25 +0000 (18:16 +0000)]
[analyzer] Update the category name for RetainCountChecker reports
..now that it includes OSObjects
rdar://
46509986
Differential Revision: https://reviews.llvm.org/D56404
llvm-svn: 350869
George Karpenkov [Thu, 10 Jan 2019 18:16:10 +0000 (18:16 +0000)]
[analyzer] [NFC] [RetainCountChecker] Remove dead unused map
Differential Revision: https://reviews.llvm.org/D56402
llvm-svn: 350868
George Karpenkov [Thu, 10 Jan 2019 18:15:57 +0000 (18:15 +0000)]
[analyzer] Quote the type of the leaked/problematic object in diagnostics for readability
Differential Revision: https://reviews.llvm.org/D56344
llvm-svn: 350867
George Karpenkov [Thu, 10 Jan 2019 18:15:44 +0000 (18:15 +0000)]
[analyzer] [NFC] Reverse the argument order for "diff" in tests
The current argument order has "expected" and "actual" the wrong way around,
so that the diff shows the change from expected to actual, not from actual to expected.
Namely, if the expected diagnostics contains the string "foo", but the analyzer emits "bar",
we really want to see:
```
- foo
+ bar
```
not
```
- bar
+ foo
```
since adapting to most changes would require applying that diff to the expected output.
Differential Revision: https://reviews.llvm.org/D56340
llvm-svn: 350866
George Karpenkov [Thu, 10 Jan 2019 18:15:30 +0000 (18:15 +0000)]
[analyzer] [NFC] Reduce redundancy in RetainSummaryManager by using a function
Differential Revision: https://reviews.llvm.org/D56282
llvm-svn: 350865
George Karpenkov [Thu, 10 Jan 2019 18:15:17 +0000 (18:15 +0000)]
[analyzer] [RetainCountChecker] [NFC] Remove SummaryLog
The complicated machinery for passing the summary log around is actually
only used for one thing! To figure out whether the "dealloc" message was
sent.
Since I have tried to extend it for other uses and failed (it's actually
very hard to use), I think it's much better to simply use a tag and
remove the summary log altogether.
Differential Revision: https://reviews.llvm.org/D56228
llvm-svn: 350864
George Karpenkov [Thu, 10 Jan 2019 18:15:04 +0000 (18:15 +0000)]
[analyzer] [RetainCountChecker] [NFC] Another minor cleanup
Differential Revision: https://reviews.llvm.org/D56224
llvm-svn: 350863
George Karpenkov [Thu, 10 Jan 2019 18:14:51 +0000 (18:14 +0000)]
[analyzer] [RetainCountChecker] [NFC] Refactor the way attributes are handled
Make sure all checks for attributes go through a centralized function,
which checks whether attribute handling is enabled, and performs
validation. The type of the attribute is returned.
Sadly, metaprogramming is required as attributes have no sensible static
getters.
Differential Revision: https://reviews.llvm.org/D56222
llvm-svn: 350862
George Karpenkov [Thu, 10 Jan 2019 18:14:38 +0000 (18:14 +0000)]
[analyzer] [RetainCountChecker] Remove redundant enum UnarySummaryKind
Differential Revision: https://reviews.llvm.org/D56072
llvm-svn: 350861
George Karpenkov [Thu, 10 Jan 2019 18:14:25 +0000 (18:14 +0000)]
[analyzer] [RetainCountChecker] Remove obsolete "MakeCollectable" enum value
Differential Revision: https://reviews.llvm.org/D56071
llvm-svn: 350860
George Karpenkov [Thu, 10 Jan 2019 18:14:12 +0000 (18:14 +0000)]
[analyzer] [RetainCountChecker] [NFC] Remove redundant enum items *Msg, as the object type is already communicated by a separate field
Differential Revision: https://reviews.llvm.org/D56070
llvm-svn: 350859
George Karpenkov [Thu, 10 Jan 2019 18:13:59 +0000 (18:13 +0000)]
[analyzer] [NFC] Track object type with ArgEffect in RetainCountChecker.
This would be needed in the future.
https://reviews.llvm.org/D56040
llvm-svn: 350858
George Karpenkov [Thu, 10 Jan 2019 18:13:46 +0000 (18:13 +0000)]
[analyzer] [NFC] Move ObjKind into a separate top-level enum in RetainSummaryManager.
Allows using it in future outside of RetEffect.
Differential Revision: https://reviews.llvm.org/D56039
llvm-svn: 350857
Erik Pilkington [Thu, 10 Jan 2019 18:03:07 +0000 (18:03 +0000)]
Split -Wdelete-non-virtual-dtor into two groups
This group controls two diagnostics: deleting an abstract class with
a non-virtual dtor, which is a guaranteed crash, and deleting a
non-abstract polymorphic class with a non-virtual dtor, which is just
suspicious.
rdar://
40380564
Differential revision: https://reviews.llvm.org/D56405
llvm-svn: 350856
Rui Ueyama [Thu, 10 Jan 2019 17:57:30 +0000 (17:57 +0000)]
Remove an external test file. NFC.
llvm-svn: 350855
Dan Liew [Thu, 10 Jan 2019 17:47:44 +0000 (17:47 +0000)]
[lit] Make it possible for the lit test suite to pass with
`FILECHECK_OPTS=-v` set in the environment.
Follow up to r350850 as requested by Joel E. Denny in
https://reviews.llvm.org/D56541 .
llvm-svn: 350854
Rui Ueyama [Thu, 10 Jan 2019 17:45:56 +0000 (17:45 +0000)]
TrapInstr must be 4 bytes long. Currently we write two zeros on every two bytes.
llvm-svn: 350853
Rafael Stahl [Thu, 10 Jan 2019 17:44:04 +0000 (17:44 +0000)]
[analyzer][CrossTU][NFC] Generalize to external definitions instead of external functions
Summary: This is just changing naming and documentation to be general about external definitions that can be imported for cross translation unit analysis. There is at least a plan to add VarDecls: D46421
Reviewers: NoQ, xazax.hun, martong, a.sidorin, george.karpenkov, serge-sans-paille
Reviewed By: xazax.hun, martong
Subscribers: mgorny, whisperity, baloghadamsoftware, szepet, rnkovacs, mikhail.ramalho, Szelethus, donat.nagy, dkrupp, cfe-commits
Differential Revision: https://reviews.llvm.org/D56441
llvm-svn: 350852
Francis Visoiu Mistrih [Thu, 10 Jan 2019 17:36:54 +0000 (17:36 +0000)]
[llvm-objdump][MachO] Fix error reporting after r350848 and r350849
llvm-svn: 350851
Dan Liew [Thu, 10 Jan 2019 17:24:06 +0000 (17:24 +0000)]
[FileCheck] Don't propagate `FILECHECK_DUMP_INPUT_ON_FAILURE` and
`FILECHECK_OPTS` into environment for FileCheck tests.
Summary:
This fixes the following FileCheck tests:
* FileCheck/dump-input-enable.txt
* FileCheck/match-full-lines.txt
when `FILECHECK_DUMP_INPUT_ON_FAILURE` is set in the environment.
By default llvm-lit propagates `FILECHECK_DUMP_INPUT_ON_FAILURE` and
`FILECHECK_OPTS` from llvm-lit's environment into the test environment.
Unfortunately this can break FileCheck's tests because they expect that
these environment variables not to be set.
rdar://problem/
47176262
Reviewers: jdenny, probinson, george.karpenkov
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D56541
llvm-svn: 350850
Francis Visoiu Mistrih [Thu, 10 Jan 2019 17:16:42 +0000 (17:16 +0000)]
[llvm-objdump][MachO] Use the -dsym file name when reporting errors
Instead of using the binary filename.
llvm-svn: 350849
Francis Visoiu Mistrih [Thu, 10 Jan 2019 17:16:37 +0000 (17:16 +0000)]
[llvm-objdump][MachO] Correctly handle the llvm::Error when -dsym has errors
In an assert build, the Error gets destroyed and we get "Program aborted
due to an unhandled Error:".
In release, we get an empty message.
llvm-svn: 350848
Kadir Cetinkaya [Thu, 10 Jan 2019 17:03:04 +0000 (17:03 +0000)]
[clangd] Introduce loading of shards within auto-index
Summary:
Whenever a change happens on a CDB, load shards associated with that
CDB before issuing re-index actions.
Reviewers: ilya-biryukov
Reviewed By: ilya-biryukov
Subscribers: ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D55224
llvm-svn: 350847
Sanjay Patel [Thu, 10 Jan 2019 17:02:55 +0000 (17:02 +0000)]
[Docs] fix typo, adjust text order
llvm-svn: 350846
Sanjay Patel [Thu, 10 Jan 2019 16:57:28 +0000 (16:57 +0000)]
[Docs] add note to avoid 'errno' for better vectorization (PR40265)
This is a partial fix for the documentation improvements requested in:
https://bugs.llvm.org/show_bug.cgi?id=40265
llvm-svn: 350845
Sanjay Patel [Thu, 10 Jan 2019 16:47:42 +0000 (16:47 +0000)]
[DAGCombiner] simplify code; NFC
llvm-svn: 350844
James Y Knight [Thu, 10 Jan 2019 16:43:26 +0000 (16:43 +0000)]
Repair compilation of llvm-stress after r350835.
Apparently it doesn't get built by 'ninja check'. :(
llvm-svn: 350843
George Rimar [Thu, 10 Jan 2019 16:26:05 +0000 (16:26 +0000)]
[LLD][ELF] - Fix tests after r350840.
D56076 (r350840) changed the llvm-objdump output.
This is a follow up commit to fix LLD test cases.
llvm-svn: 350842
Nirav Dave [Thu, 10 Jan 2019 16:25:47 +0000 (16:25 +0000)]
[SelectionDAGBuilder] Refactor GetRegistersForValue. NFCI.
llvm-svn: 350841
George Rimar [Thu, 10 Jan 2019 16:24:10 +0000 (16:24 +0000)]
[llvm-objdump] - Do not include reserved undefined symbol in -t output.
This is https://bugs.llvm.org/show_bug.cgi?id=26892,
GNU objdump hides the special symbol entry:
SYMBOL TABLE:
000000000000a7e0 l F .text
00000000000003f9 bi_copymodules
while llvm-objdump does not:
SYMBOL TABLE:
0000000000000000 *UND*
00000000
000000000000a7e0 l F .text
000003f9 bi_copymodules
Patch makes the behavior of the llvm-objdump to be consistent with the GNU objdump.
Differential revision: https://reviews.llvm.org/D56076
llvm-svn: 350840
Nirav Dave [Thu, 10 Jan 2019 16:22:19 +0000 (16:22 +0000)]
[SelectionDAGBuilder] Fix formatting. NFC.
llvm-svn: 350839
Neil Henning [Thu, 10 Jan 2019 16:21:08 +0000 (16:21 +0000)]
[AMDGPU] Fix dwordx3/southern-islands failures.
This commit fixes the dwordx3/southern-islands failures that were found
in bugzilla https://bugs.llvm.org/show_bug.cgi?id=40129, by not
generating the dwordx3 variants of load/store instructions that were
added to the ISA after southern islands.
Differential Revision: https://reviews.llvm.org/D56434
llvm-svn: 350838
Nirav Dave [Thu, 10 Jan 2019 16:18:18 +0000 (16:18 +0000)]
[SelectionDAGBuilder] Refactor visitInlineAsm. NFC.
llvm-svn: 350837
Peter Smith [Thu, 10 Jan 2019 16:08:23 +0000 (16:08 +0000)]
[ELF] Fix ARM and Thumb V7PILongThunk overflow behavior.
When the range between the source and target of a V7PILongThunk exceeded an
int32 we would trigger a relocation out of range error for the
R_ARM_MOVT_PREL or R_ARM_THM_MOVT_PREL relocation. This case can happen when
linking the linux kernel as it is loaded above 0xf0000000.
There are two parts to the fix.
- Remove the overflow check for R_ARM_MOVT_PREL or R_ARM_THM_MOVT_PREL. The
ELF for the ARM Architecture document defines these relocations as having no
overflow checking so the check was spurious.
- Use int64_t for the offset calculation, in line with similar thunks so
that PC + (S - P) < 32-bits. This results in less surprising disassembly.
Differential Revision: https://reviews.llvm.org/D56396
llvm-svn: 350836
James Y Knight [Thu, 10 Jan 2019 16:07:20 +0000 (16:07 +0000)]
[opaque pointer types] Remove some calls to generic Type subtype accessors.
That is, remove many of the calls to Type::getNumContainedTypes(),
Type::subtypes(), and Type::getContainedType(N).
I'm not intending to remove these accessors -- they are
useful/necessary in some cases. However, removing the pointee type
from pointers would potentially break some uses, and reducing the
number of calls makes it easier to audit.
llvm-svn: 350835
Pavel Labath [Thu, 10 Jan 2019 15:53:20 +0000 (15:53 +0000)]
Fix compilation error on 32-bit architectures introduced in r350511
The issue was a narrowing conversion when converting from uint64_t to a
size_t.
llvm-svn: 350834
George Rimar [Thu, 10 Jan 2019 15:34:33 +0000 (15:34 +0000)]
[LLD][ELF] - A follow up for r350819 ("Support MSP430") : add a test case missing.
It got lost for some reason.
llvm-svn: 350833
Dmitry Venikov [Thu, 10 Jan 2019 15:33:35 +0000 (15:33 +0000)]
[llvm-symbolizer] Add -p as alias to -pretty-print
Summary: Provides -p as a short alias for -pretty-print. Motivation: https://bugs.llvm.org/show_bug.cgi?id=40076
Reviewers: samsonov, khemant, ruiu, rnk, fjricci, jhenderson
Reviewed By: jhenderson
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D56542
llvm-svn: 350832
Alex Bradbury [Thu, 10 Jan 2019 15:33:17 +0000 (15:33 +0000)]
[RISCV][MC] Add support for evaluating constant symbols as immediates
This further improves compatibility with GNU as, allowing input such as the
following to be assembled:
.equ CONST, 0x123456
li a0, CONST
addi a0, a0, %lo(CONST)
.equ CONST, 1
slli a0, a0, CONST
Note that we don't have perfect compatibility with gas, as it will avoid
emitting a relocation in this case:
addi a0, a0, %lo(CONST2)
.equ CONST2, 0x123456
Thanks to Shiva Chen for suggesting a better way to approach this during review.
Differential Revision: https://reviews.llvm.org/D52298
llvm-svn: 350831
Sanjay Patel [Thu, 10 Jan 2019 15:27:23 +0000 (15:27 +0000)]
[x86] fix remaining miscompile bug in horizontal binop matching (PR40243)
When we use the partial-matching function on a 128-bit chunk, we must
account for the possibility that we've matched undef halves of the
original source vectors, so the outputs may need to be reset.
This should allow closing PR40243:
https://bugs.llvm.org/show_bug.cgi?id=40243
llvm-svn: 350830
Nico Weber [Thu, 10 Jan 2019 15:16:32 +0000 (15:16 +0000)]
gn build: Merge r350819
llvm-svn: 350829
Sean Fertile [Thu, 10 Jan 2019 15:08:06 +0000 (15:08 +0000)]
Modify InputSectionBase::getLocation to add section and offset to every loc.
The section and offset can be very helpful in diagnosing certian errors.
For example on a relocation overflow or misalignment diagnostic:
test.c:(function foo): relocation R_PPC64_ADDR16_DS out of range: ...
The function foo can have many R_PPC64_ADDR16_DS relocations. Adding the offset
and section will identify exactly which relocation is causing the failure.
Differential Revision: https://reviews.llvm.org/D56453
llvm-svn: 350828
Sean Fertile [Thu, 10 Jan 2019 15:08:02 +0000 (15:08 +0000)]
[PPC64] Fix RelType in checkInt and checkAlignment diagnsotics.
In the PPC64 target we map toc-relative relocations, dynamic thread pointer
relative relocations, and got relocations into a corresponding ADDR16 relocation
type for handling in relocateOne. This patch saves the orignal RelType before
mapping to an ADDR16 relocation so that any diagnostic messages will not
mistakenly use the mapped type.
Differential Revision: https://reviews.llvm.org/D56448
llvm-svn: 350827
Sanjay Patel [Thu, 10 Jan 2019 15:04:52 +0000 (15:04 +0000)]
[x86] fix horizontal binop matching for 256-bit vectors (PR40243)
This is a partial fix for:
https://bugs.llvm.org/show_bug.cgi?id=40243
...as seen in the integer test, we still need to correct the result when using the
existing (old) horizontal op matching function because it does not model the way
x86 256-bit horizontal ops return results (each 128-bit half is its own horizontal-op).
A potential follow-up change for that is discussed in the bug report - see also D56490.
This generally duplicates a lot of the existing matching code, but we can't just remove
that without introducing regressions, so the existing code is renamed and used less often.
Follow-ups may try to reduce that overlap.
Differential Revision: https://reviews.llvm.org/D56450
llvm-svn: 350826
Bryan Chan [Thu, 10 Jan 2019 15:02:37 +0000 (15:02 +0000)]
[AArch64] Fix operation actions for FP16 vector intrinsics
Summary:
This patch changes the legalization action for some half-precision floating-
point vector intrinsics (FSIN, FLOG, etc.) from Promote to Expand. These ops
are not supported in hardware for half-precision vectors, but promotion is
not always possible (for v8f16 operands). Changing the action to Expand fixes
an assertion failure in the legalizer when the frontend produces such ops.
In addition, a quick microbenchmark shows that, in the v4f16 case,
expanding introduces fewer spills and is therefore slightly faster than
promoting.
Reviewers: t.p.northover, SjoerdMeijer
Reviewed By: SjoerdMeijer
Subscribers: javed.absar, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D56296
llvm-svn: 350825
George Rimar [Thu, 10 Jan 2019 14:57:25 +0000 (14:57 +0000)]
[LLD][ELF] - Fix the test cases after r350823.
r350823 changed the output of the llvm-objdump.
llvm-svn: 350824
George Rimar [Thu, 10 Jan 2019 14:55:26 +0000 (14:55 +0000)]
[llvm-objdump] - Implement -z/--disassemble-zeroes.
This is https://bugs.llvm.org/show_bug.cgi?id=37151,
GNU objdump spec says that "Normally the disassembly output will skip blocks of zeroes.",
but currently, llvm-objdump prints them.
The patch implements the -z/--disassemble-zeroes option and switches the default to always
skip blocks of zeroes.
Differential revision: https://reviews.llvm.org/D56083
llvm-svn: 350823
Simon Pilgrim [Thu, 10 Jan 2019 14:26:15 +0000 (14:26 +0000)]
[X86] Add SSE41 vector abs tests
llvm-svn: 350822
James Henderson [Thu, 10 Jan 2019 14:10:02 +0000 (14:10 +0000)]
[llvm-symbolizer] Add support for specifying addresses on command-line
See https://bugs.llvm.org/show_bug.cgi?id=40070.
GNU addr2line accepts input addresses both on the command-line and via
stdin. llvm-symbolizer previously only supported the latter. This
change adds support for the former. As with addr2line, the new
behaviour is to only look for addresses on stdin if no positional
arguments were provided to llvm-symbolizer.
Reviewed by: ruiu
Differential Revision: https://reviews.llvm.org/D56272
llvm-svn: 350821
Andrea Di Biagio [Thu, 10 Jan 2019 13:59:13 +0000 (13:59 +0000)]
[MCA] Fix wrong definition of ResourceUnitMask in DefaultResourceStrategy.
Field ResourceUnitMask was incorrectly defined as a 'const unsigned' mask. It
should have been a 64 bit quantity instead. That means, ResourceUnitMask was
always implicitly truncated to a 32 bit quantity.
This issue has been found by inspection. Surprisingly, that bug was latent, and
it never negatively affected any existing upstream targets.
This patch fixes the wrong definition of ResourceUnitMask, and adds a bunch of
extra debug prints to help debugging potential issues related to invalid
processor resource masks.
llvm-svn: 350820
George Rimar [Thu, 10 Jan 2019 13:43:06 +0000 (13:43 +0000)]
[LLD][ELF] - Support MSP430.
Patch by Michael Skvortsov!
This change adds a basic support for linking static MSP430 ELF code.
Implemented relocation types are intended to correspond to the BFD.
Differential revision: https://reviews.llvm.org/D56535
llvm-svn: 350819
Amy Kwan [Thu, 10 Jan 2019 13:23:33 +0000 (13:23 +0000)]
[compiler-rt][builtins][PowerPC] Implemented __floattitf builtin on PowerPC
This patch implements the long double __floattitf (int128_t) method for
PowerPC -- specifically to convert a 128 bit integer into a long double
(IBM double-double).
To invoke this method, one can do so by linking against compiler-rt, via the
--rtlib=compiler-rt command line option supplied to clang.
Differential Revision: https://reviews.llvm.org/D54313/
llvm-svn: 350818
Aaron Ballman [Thu, 10 Jan 2019 13:19:48 +0000 (13:19 +0000)]
Correct the spelling of helpURI to helpUri.
JSON is case sensitive and the SARIF spec uses the corrected spelling.
llvm-svn: 350817
Amy Kwan [Thu, 10 Jan 2019 12:30:12 +0000 (12:30 +0000)]
[compiler-rt][builtins][PowerPC] Implemented __fixunstfti builtin on PowerPC
This patch implements the __uint128_t __fixunstfti (long double) method for
PowerPC -- specifically to convert a long double (IBM double-double) to an
unsigned 128 bit integer.
The general approach of this algorithm is to convert the high and low doubles
of the long double and add them together if the doubles fit within 64 bits.
However, additional adjustments and scaling is performed when the high or low
double does not fit within a 64 bit integer.
To invoke this method, one can do so by linking against compiler-rt, via the
--rtlib=compiler-rt command line option supplied to clang.
Differential Revision: https://reviews.llvm.org/D54911
llvm-svn: 350815
Jonas Toth [Thu, 10 Jan 2019 11:56:44 +0000 (11:56 +0000)]
[clang-tidy] Fix case of local variables in modernize-use-nodiscard checker
Summary:
Correct the case of the local variables..
Rational:
I want to be able to run clang-tidy on new clang-tidy checker code prior to creating a review (to demonstrate we should dog food our own tools during development, not my suggestion but @Eugene.Zelenko)
To this end I am running the following in a script, prior to make a change.
```
tidy:
@for source in $$(git status -suno | grep ".cpp$$" | cut -c4-) ;\
do \
clang-tidy -quiet $$source -- $(TIDY_FLAGS);\
done
```
I then want to go through the checkers and see which checkers most closely match the review style of the reviewers
```
---
Checks: '
-clang-diagnostic-*,
readability-identifier-naming,
llvm-header-guard
'
WarningsAsErrors: ''
HeaderFilterRegex: ''
AnalyzeTemporaryDtors: false
FormatStyle: LLVM
CheckOptions:
- key: readability-identifier-naming.IgnoreFailedSplit
value: '0'
- key: readability-identifier-naming.VariableCase
value: 'CamelCase'
- key: readability-identifier-naming.LocalVariableCase
value: 'CamelCase'
...
```
Unfortunately in doing so, I have identified that my previous review {D55433} it violates what looks like to be the convention of local variables being in CamelCase.
Sending this small review in the hope it can be corrected.
Patch by MyDeveloperDay.
Reviewers: JonasToth, Eugene.Zelenko
Reviewed By: JonasToth
Subscribers: xazax.hun, Eugene.Zelenko
Differential Revision: https://reviews.llvm.org/D56536
llvm-svn: 350814
Louis Dionne [Thu, 10 Jan 2019 11:23:33 +0000 (11:23 +0000)]
[pstl] Fix compile errors when PARALLEL_POLICIES is disabled
Reviewed as https://reviews.llvm.org/D56139.
Thanks to @jerryct for the patch.
llvm-svn: 350813
Louis Dionne [Thu, 10 Jan 2019 11:17:26 +0000 (11:17 +0000)]
[pstl] Fix CMake configuration when parallel policies are disabled
llvm-svn: 350812
Sam Parker [Thu, 10 Jan 2019 10:47:23 +0000 (10:47 +0000)]
[ARM] Fix for verifier buildbot
Copy the MachineOperand first and then change the flags instead of
making a copy.
llvm-svn: 350811
Pavel Labath [Thu, 10 Jan 2019 10:23:27 +0000 (10:23 +0000)]
Revert "Add a verbose mode to "image dump line-table" and use it to write a .debug_line test"
This reverts commit r350802 because the test fails on windows. This
happens because we treat the paths as windows paths even though they
have linux path separators in the asm file. That results in wrong paths
being computed (\tmp\tmp\a.c instead of /tmp/a.c).
Reverting until I can figure out what to do with this.
llvm-svn: 350810
Pavel Labath [Thu, 10 Jan 2019 10:23:19 +0000 (10:23 +0000)]
PECOFF: Fix section name computation
If a section name is exactly 8 bytes long (or has been truncated to 8
bytes), it will not contain the terminating nul character. This means
reading the name as a c string will pick up random data following the
name field (which happens to be the section vm size).
This fixes the name computation to avoid out-of-bounds access and adds a
test.
Reviewers: zturner, stella.stamenova
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D56124
llvm-svn: 350809
Fedor Sergeev [Thu, 10 Jan 2019 10:01:53 +0000 (10:01 +0000)]
[LoopUnroll] add parsing for unroll parameters in -passes pipeline
Allow to specify loop-unrolling with optional parameters explicitly
spelled out in -passes pipeline specification.
Introducing somewhat generic way of specifying parameters parsing via
FUNCTION_PASS_PARAMETRIZED pass registration.
Syntax of parametrized unroll pass name is as follows:
'unroll<' parameter-list '>'
Where parameter-list is ';'-separate list of parameter names and optlevel
optlevel: 'O[0-3]'
parameter: { 'partial' | 'peeling' | 'runtime' | 'upperbound' }
negated: 'no-' parameter
Example:
-passes=loop(unroll<O3;runtime;no-upperbound>)
this invokes LoopUnrollPass configured with OptLevel=3,
Runtime, no UpperBound, everything else by default.
llvm-svn: 350808
Bjorn Pettersson [Thu, 10 Jan 2019 09:58:23 +0000 (09:58 +0000)]
Fix RUN line in test/Transforms/LoopDeletion/crashbc.ll
llvm-svn: 350807
Diana Picus [Thu, 10 Jan 2019 09:40:56 +0000 (09:40 +0000)]
[asan] Mark tests as UNSUPPORTED on arm
Temporarily mark a couple of tests as UNSUPPORTED until we figure out
why they fail on the thumb bots.
The failure was introduced in
r350139 - Add support for background thread on NetBSD in ASan.
llvm-svn: 350806