platform/upstream/llvm.git
5 years ago[analyzer] Correct the summary violation diagnostics for the retain count checker
George Karpenkov [Fri, 21 Dec 2018 19:13:28 +0000 (19:13 +0000)]
[analyzer] Correct the summary violation diagnostics for the retain count checker

It should be in the past tense.

llvm-svn: 349938

5 years ago[x86] add movddup specialization for build vector lowering (PR37502)
Sanjay Patel [Fri, 21 Dec 2018 18:48:32 +0000 (18:48 +0000)]
[x86] add movddup specialization for build vector lowering (PR37502)

This is admittedly a narrow fix for the problem:
https://bugs.llvm.org/show_bug.cgi?id=37502
...but as the XOP restriction shows, it's a maze to get this right.
In the motivating example, note that we have movddup before SSE4.1 and
again with AVX2. That's because insertps isn't available pre-SSE41 and
vbroadcast is (more generally) available with AVX2 (and the splat is
reduced to movddup via isel pattern).

Differential Revision: https://reviews.llvm.org/D55898

llvm-svn: 349937

5 years ago[ARM] Set Defs = [CPSR] for COPY_STRUCT_BYVAL, as it clobbers CPSR.
Florian Hahn [Fri, 21 Dec 2018 18:07:10 +0000 (18:07 +0000)]
[ARM] Set Defs = [CPSR] for COPY_STRUCT_BYVAL, as it clobbers CPSR.

Fixes PR35023.

Reviewers: MatzeB, t.p.northover, sunfish, qcolombet, efriedma

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D55909

llvm-svn: 349935

5 years ago[AST][NFC] Fix Wsign-compare warning introduced in CXXOperatorCallExpr
Bruno Ricci [Fri, 21 Dec 2018 17:54:51 +0000 (17:54 +0000)]
[AST][NFC] Fix Wsign-compare warning introduced in CXXOperatorCallExpr

llvm-svn: 349934

5 years ago[Sema][NFC] Fix Wimplicit-fallthrough warning in getCursorKindForDecl
Bruno Ricci [Fri, 21 Dec 2018 17:52:13 +0000 (17:52 +0000)]
[Sema][NFC] Fix Wimplicit-fallthrough warning in getCursorKindForDecl

All cases are covered so add an llvm_unreachable. NFC.

llvm-svn: 349933

5 years ago[NFC] Fix typo in comment
Louis Dionne [Fri, 21 Dec 2018 17:32:23 +0000 (17:32 +0000)]
[NFC] Fix typo in comment

llvm-svn: 349932

5 years ago[SelectionDAG] Remove KnownBits output paramater version.
Simon Pilgrim [Fri, 21 Dec 2018 17:29:38 +0000 (17:29 +0000)]
[SelectionDAG] Remove KnownBits output paramater version.

Completes the work started by @bogner in rL340594.

llvm-svn: 349931

5 years ago[clang-tidy] Add export-fixes flag to clang-tidy-diff
Julie Hockett [Fri, 21 Dec 2018 17:25:27 +0000 (17:25 +0000)]
[clang-tidy] Add export-fixes flag to clang-tidy-diff

Differential Revision: https://reviews.llvm.org/D55848

llvm-svn: 349930

5 years ago[x86] remove excess check lines; NFC
Sanjay Patel [Fri, 21 Dec 2018 17:19:43 +0000 (17:19 +0000)]
[x86] remove excess check lines; NFC

Forgot that the integer variants have an extra 's'.

llvm-svn: 349929

5 years ago[x86] move misplaced tests; NFC
Sanjay Patel [Fri, 21 Dec 2018 17:06:43 +0000 (17:06 +0000)]
[x86] move misplaced tests; NFC

Mixed up integer and FP in rL349923.

llvm-svn: 349928

5 years ago[GlobalISel][AArch64] Add support for widening G_FCEIL
Jessica Paquette [Fri, 21 Dec 2018 17:05:26 +0000 (17:05 +0000)]
[GlobalISel][AArch64] Add support for widening G_FCEIL

This adds support for widening G_FCEIL in LegalizerHelper and
AArch64LegalizerInfo. More specifically, it teaches the AArch64 legalizer to
widen G_FCEIL from a 16-bit float to a 32-bit float when the subtarget doesn't
support full FP 16.

This also updates AArch64/f16-instructions.ll to show that we perform the
correct transformation.

llvm-svn: 349927

5 years agoDon't duplicate the logic that detects if a section can/should be loaded (NFC)
Greg Clayton [Fri, 21 Dec 2018 17:04:18 +0000 (17:04 +0000)]
Don't duplicate the logic that detects if a section can/should be loaded (NFC)

Prior to this there were 3 places that were duplicating the logic to detect if a section can/should be loaded and some were doing things a bit differently. Now it is all centralized in one place and it is done correctly.

llvm-svn: 349926

5 years ago[AST][NFC] Pack CXXOperatorCallExpr
Bruno Ricci [Fri, 21 Dec 2018 16:51:57 +0000 (16:51 +0000)]
[AST][NFC] Pack CXXOperatorCallExpr

Use the space available in the bit-fields of Stmt.
This saves 8 bytes per CXXOperatorCallExpr. NFC.

llvm-svn: 349924

5 years ago[x86] add tests for possible horizontal op transform; NFC
Sanjay Patel [Fri, 21 Dec 2018 16:49:41 +0000 (16:49 +0000)]
[x86] add tests for possible horizontal op transform; NFC

llvm-svn: 349923

5 years agoReleaseNotes: Document removal of add_llvm_loadable_module CMake macro
Tom Stellard [Fri, 21 Dec 2018 16:20:37 +0000 (16:20 +0000)]
ReleaseNotes: Document removal of add_llvm_loadable_module CMake macro

This was removed in r349839.

llvm-svn: 349921

5 years ago[x86] move test for movddup; NFC
Sanjay Patel [Fri, 21 Dec 2018 16:08:27 +0000 (16:08 +0000)]
[x86] move test for movddup; NFC

This adds an AVX512 run as suggested in D55936.
The test didn't really belong with other build vector tests
because that's not the pattern here. I don't see much value
in adding 64-bit RUNs because they wouldn't exercise the
isel patterns that we're aiming to expose.

llvm-svn: 349920

5 years ago[pstl] Initial integration with LLVM's CMake
Louis Dionne [Fri, 21 Dec 2018 15:59:04 +0000 (15:59 +0000)]
[pstl] Initial integration with LLVM's CMake

Summary:
This commit adds a check-pstl CMake target that will run the tests
we currently have for pstl. Those tests are not using LLVM lit yet,
but switching them over should be a transparent change. With this
change, we can start relying on the `check-pstl` target for workflows
and CI.

Note that this commit purposefully does not support the pre-monorepo
layout (with subprojects in projects/), since LLVM is moving towards
the monorepo layout anyway.

Reviewers: jfb

Subscribers: mgorny, jkorous, dexonsmith, libcxx-commits, mclow.lists, rodgert

Differential Revision: https://reviews.llvm.org/D55963

llvm-svn: 349919

5 years ago[AArch64] Refactor Exynos predicate (NFC)
Evandro Menezes [Fri, 21 Dec 2018 15:51:34 +0000 (15:51 +0000)]
[AArch64] Refactor Exynos predicate (NFC)

Change order of conditions in predicate.

llvm-svn: 349918

5 years ago[Sanitizer] Move the unit test in the right place.
David Carlier [Fri, 21 Dec 2018 15:43:32 +0000 (15:43 +0000)]
[Sanitizer] Move the unit test in the right place.

llvm-svn: 349917

5 years ago[Sanitizer] Enable strtonum in FreeBSD
David Carlier [Fri, 21 Dec 2018 15:42:24 +0000 (15:42 +0000)]
[Sanitizer] Enable strtonum in FreeBSD

Reviewers: krytarowski, vitalybuka

Reviewed By: krytarowski

Differential Revision: https://reviews.llvm.org/D55993

llvm-svn: 349916

5 years ago[XCore] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 15:35:32 +0000 (15:35 +0000)]
[XCore] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349915

5 years ago[Sparc] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 15:32:36 +0000 (15:32 +0000)]
[Sparc] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349914

5 years ago[AMDGPU] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 15:29:47 +0000 (15:29 +0000)]
[AMDGPU] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349912

5 years ago[WebAssembly] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 15:25:37 +0000 (15:25 +0000)]
[WebAssembly] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349911

5 years ago[AST] Store the callee and argument expressions of CallExpr in a trailing array.
Bruno Ricci [Fri, 21 Dec 2018 15:20:32 +0000 (15:20 +0000)]
[AST] Store the callee and argument expressions of CallExpr in a trailing array.

Since CallExpr::setNumArgs has been removed, it is now possible to store the
callee expression and the argument expressions of CallExpr in a trailing array.
This saves one pointer per CallExpr, CXXOperatorCallExpr, CXXMemberCallExpr,
CUDAKernelCallExpr and UserDefinedLiteral.

Given that CallExpr is used as a base of the above classes we cannot use
llvm::TrailingObjects. Instead we store the offset in bytes from the this pointer
to the start of the trailing objects and manually do the casts + arithmetic.

Some notes:

1.) I did not try to fit the number of arguments in the bit-fields of Stmt.
    This leaves some space for future additions and avoid the discussion about
    whether x bits are sufficient to hold the number of arguments.

2.) It would be perfectly possible to recompute the offset to the trailing
    objects before accessing the trailing objects. However the trailing objects
    are frequently accessed and benchmarks show that it is slightly faster to
    just load the offset from the bit-fields. Additionally, because of 1),
    we have plenty of space in the bit-fields of Stmt.

Differential Revision: https://reviews.llvm.org/D55771

Reviewed By: rjmccall

llvm-svn: 349910

5 years ago[ARM] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 15:15:38 +0000 (15:15 +0000)]
[ARM] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349909

5 years ago[AArch64] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 15:05:10 +0000 (15:05 +0000)]
[AArch64] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349908

5 years ago[SelectionDAG] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 14:56:18 +0000 (14:56 +0000)]
[SelectionDAG] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349907

5 years ago[SystemZ] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 14:50:54 +0000 (14:50 +0000)]
[SystemZ] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349906

5 years ago[Lanai] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 14:48:35 +0000 (14:48 +0000)]
[Lanai] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349905

5 years ago[Sema][NFC] Remove some unnecessary calls to getASTContext.
Bruno Ricci [Fri, 21 Dec 2018 14:35:24 +0000 (14:35 +0000)]
[Sema][NFC] Remove some unnecessary calls to getASTContext.

The AST context is already easily available. NFC.

llvm-svn: 349904

5 years ago[PPC] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 14:32:39 +0000 (14:32 +0000)]
[PPC] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the KnownBits output paramater version.

llvm-svn: 349903

5 years ago[X86] Always use the version of computeKnownBits that returns a value. NFCI.
Simon Pilgrim [Fri, 21 Dec 2018 14:25:14 +0000 (14:25 +0000)]
[X86] Always use the version of computeKnownBits that returns a value. NFCI.

Continues the work started by @bogner in rL340594 to remove uses of the old KnownBits output paramater version.

llvm-svn: 349902

5 years ago[AST][NFC] Pass the AST context to one of the ctor of DeclRefExpr.
Bruno Ricci [Fri, 21 Dec 2018 14:10:18 +0000 (14:10 +0000)]
[AST][NFC] Pass the AST context to one of the ctor of DeclRefExpr.

All of the other constructors already take a reference to the AST context.
This avoids calling Decl::getASTContext in most cases. Additionally move
the definition of the constructor from Expr.h to Expr.cpp since it is calling
DeclRefExpr::computeDependence. NFC.

llvm-svn: 349901

5 years ago[AArch64] Adding missing REQUIRES in aarch64 dwarf test
Luke Cheeseman [Fri, 21 Dec 2018 13:39:13 +0000 (13:39 +0000)]
[AArch64] Adding missing REQUIRES in aarch64 dwarf test

llvm-svn: 349900

5 years ago[xray] [tests] Detect and handle missing LLVMTestingSupport gracefully
Michal Gorny [Fri, 21 Dec 2018 13:37:30 +0000 (13:37 +0000)]
[xray] [tests] Detect and handle missing LLVMTestingSupport gracefully

Add a code to properly test for presence of LLVMTestingSupport library
when performing a stand-alone build, and skip tests requiring it when
it is not present.  Since the library is not installed, llvm-config
reported empty --libs for it and the tests failed to link with undefined
references.  Skipping the two fdr_* test files is better than failing to
build, and should be good enough until we find a better solution.

NB: both installing LLVMTestingSupport and building it automatically
from within compiler-rt sources are non-trivial.  The former due to
dependency on gtest, the latter due to tight integration with LLVM
source tree.

Differential Revision: https://reviews.llvm.org/D55891

llvm-svn: 349899

5 years ago[ADT] IntervalMap: add overlaps(a, b) method
Pavel Labath [Fri, 21 Dec 2018 13:04:34 +0000 (13:04 +0000)]
[ADT] IntervalMap: add overlaps(a, b) method

Summary:
This function checks whether the mappings in the interval map overlap
with the given range [a;b]. The motivation is to enable checking for
overlap before inserting a new interval into the map.

Reviewers: vsk, dblaikie

Subscribers: dexonsmith, kristina, llvm-commits

Differential Revision: https://reviews.llvm.org/D55760

llvm-svn: 349898

5 years ago[CMake] Print out the list of sanitizers that the sanitizer_common tests will run...
Dan Liew [Fri, 21 Dec 2018 11:57:31 +0000 (11:57 +0000)]
[CMake] Print out the list of sanitizers that the sanitizer_common tests will run against.

Summary:
This is a change requested by Vitaly Buka as prerequisite to landing
https://reviews.llvm.org/D55740.

Reviewers: vitalybuka, kubamracek

Subscribers: mgorny, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D55939

llvm-svn: 349897

5 years ago[NewPM] -print-module-scope -print-after now prints module even after invalidated...
Fedor Sergeev [Fri, 21 Dec 2018 11:49:05 +0000 (11:49 +0000)]
[NewPM] -print-module-scope -print-after now prints module even after invalidated Loop/SCC

-print-after IR printing generally can not print the IR unit (Loop or SCC)
which has just been invalidated by the pass. However, when working in -print-module-scope
mode even if Loop was invalidated there is still a valid module that we can print.

Since we can not access invalidated IR unit from AfterPassInvalidated instrumentation
point we can remember the module to be printed *before* pass. This change introduces
BeforePass instrumentation that stores all the information required for module printing
into the stack and then after pass (in AfterPassInvalidated) just print whatever
has been placed on stack.

Reviewed By: philip.pfaffe
Differential Revision: https://reviews.llvm.org/D55278

llvm-svn: 349896

5 years ago[Dwarf/AArch64] Return address signing B key dwarf support
Luke Cheeseman [Fri, 21 Dec 2018 10:45:08 +0000 (10:45 +0000)]
[Dwarf/AArch64] Return address signing B key dwarf support

- When signing return addresses with -msign-return-address=<scope>{+<key>},
  either the A key instructions or the B key instructions can be used. To
  correctly authenticate the return address, the unwinder/debugger must know
  which key was used to sign the return address.
- When and exception is thrown or a break point reached, it may be necessary to
  unwind the stack. To accomplish this, the unwinder/debugger must be able to
  first authenticate an the return address if it has been signed.
- To enable this, the augmentation string of CIEs has been extended to allow
  inclusion of a 'B' character. Functions that are signed using the B key
  variant of the instructions should have and FDE whose associated CIE has a 'B'
  in the augmentation string.
- One must also be able to preserve these semantics when first stepping from a
  high level language into assembly and then, as a second step, into an object
  file. To achieve this, I have introduced a new assembly directive
  '.cfi_b_key_frame ', that tells the assembler the current frame uses return
  address signing with the B key.
- This ensures that the FDE is associated with a CIE that has 'B' in the
  augmentation string.

Differential Revision: https://reviews.llvm.org/D51798

llvm-svn: 349895

5 years agoRevert rL349876 from cfe/trunk: [analyzer] Perform escaping in RetainCountChecker...
Simon Pilgrim [Fri, 21 Dec 2018 10:11:23 +0000 (10:11 +0000)]
Revert rL349876 from cfe/trunk: [analyzer] Perform escaping in RetainCountChecker on type mismatch even for inlined functions

The fix done in D55465 did not previously apply when the function was inlined.

rdar://46889541

Differential Revision: https://reviews.llvm.org/D55976
........
Fixes broken buildbot: http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/14764

llvm-svn: 349894

5 years ago[clangd] Cleanup syntax errors in the test, NFC.
Haojian Wu [Fri, 21 Dec 2018 09:32:49 +0000 (09:32 +0000)]
[clangd] Cleanup syntax errors in the test, NFC.

llvm-svn: 349893

5 years ago[X86][SSE] Auto upgrade PADDS/PSUBS intrinsics to SADD_SAT/SSUB_SAT generic intrinsic...
Simon Pilgrim [Fri, 21 Dec 2018 09:04:14 +0000 (09:04 +0000)]
[X86][SSE] Auto upgrade PADDS/PSUBS intrinsics to SADD_SAT/SSUB_SAT generic intrinsics (llvm)

This auto upgrades the signed SSE saturated math intrinsics to SADD_SAT/SSUB_SAT generic intrinsics.

Clang counterpart: https://reviews.llvm.org/D55890

Differential Revision: https://reviews.llvm.org/D55894

llvm-svn: 349892

5 years agoFix warning about unused variable [NFC]
Bjorn Pettersson [Fri, 21 Dec 2018 08:51:04 +0000 (08:51 +0000)]
Fix warning about unused variable [NFC]

llvm-svn: 349891

5 years ago[Sema] Produce diagnostics when C++17 aligned allocation/deallocation
Akira Hatanaka [Fri, 21 Dec 2018 07:05:36 +0000 (07:05 +0000)]
[Sema] Produce diagnostics when C++17 aligned allocation/deallocation
functions that are unavailable on Darwin are explicitly called or called
from deleting destructors.

rdar://problem/40736230

Differential Revision: https://reviews.llvm.org/D47757

llvm-svn: 349890

5 years ago[WebAssembly] Fix invalid machine instrs in -O0, verify in tests
Thomas Lively [Fri, 21 Dec 2018 06:58:15 +0000 (06:58 +0000)]
[WebAssembly] Fix invalid machine instrs in -O0, verify in tests

Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D55956

llvm-svn: 349889

5 years agoFix test case breakages caused by lexically_relative change
Eric Fiselier [Fri, 21 Dec 2018 04:38:22 +0000 (04:38 +0000)]
Fix test case breakages caused by lexically_relative change

llvm-svn: 349888

5 years agoDon't forward declare _FilesystemClock in C++03
Eric Fiselier [Fri, 21 Dec 2018 04:30:04 +0000 (04:30 +0000)]
Don't forward declare _FilesystemClock in C++03

llvm-svn: 349887

5 years agoFix copy paste error in file_clock tests
Eric Fiselier [Fri, 21 Dec 2018 04:27:45 +0000 (04:27 +0000)]
Fix copy paste error in file_clock tests

llvm-svn: 349886

5 years agoImplement LWG 3096: path::lexically_relative is confused by trailing slashes
Eric Fiselier [Fri, 21 Dec 2018 04:25:40 +0000 (04:25 +0000)]
Implement LWG 3096: path::lexically_relative is confused by trailing slashes

path("/dir/").lexically_relative("/dir"); now returns "." instead of ""

llvm-svn: 349885

5 years agoImplement LWG 3065: Make path operators friends.
Eric Fiselier [Fri, 21 Dec 2018 04:09:01 +0000 (04:09 +0000)]
Implement LWG 3065: Make path operators friends.

This prevents things like:

using namespace std::filesystem;
auto x = L"a/b" == std::string("a/b");

llvm-svn: 349884

5 years agoImplement LWG 3145: file_clock breaks ABI for C++17 implementations.
Eric Fiselier [Fri, 21 Dec 2018 03:54:57 +0000 (03:54 +0000)]
Implement LWG 3145: file_clock breaks ABI for C++17 implementations.

This patch adds std::chrono::file_clock, but without breaking the
existing ABI for std::filesystem.

llvm-svn: 349883

5 years agoAMDGPU/GlobalISel: RegBankSelect for amdgcn.wqm.vote
Matt Arsenault [Fri, 21 Dec 2018 03:20:54 +0000 (03:20 +0000)]
AMDGPU/GlobalISel: RegBankSelect for amdgcn.wqm.vote

llvm-svn: 349882

5 years agoImplement LWG 2936: Path comparison is defined in terms of the generic format
Eric Fiselier [Fri, 21 Dec 2018 03:16:30 +0000 (03:16 +0000)]
Implement LWG 2936: Path comparison is defined in terms of the generic format

This patch implements path::compare according to the current spec. The
only observable change is the ordering of "/foo" and "foo", which orders
the two paths based on having or not having a root directory (instead
of lexically comparing "/" to "foo").

llvm-svn: 349881

5 years agoAMDGPU/GlobalISel: RegBankSelect for some fp ops
Matt Arsenault [Fri, 21 Dec 2018 03:14:45 +0000 (03:14 +0000)]
AMDGPU/GlobalISel: RegBankSelect for some fp ops

llvm-svn: 349880

5 years agoGlobalISel: Correct example PartialMapping table
Matt Arsenault [Fri, 21 Dec 2018 03:03:12 +0000 (03:03 +0000)]
GlobalISel: Correct example PartialMapping table

When I try to use this, it seems like the second half needs
to start where the previous part left off.

llvm-svn: 349879

5 years agoAMDGPU/GlobalISel: Redo legality for build_vector
Matt Arsenault [Fri, 21 Dec 2018 03:03:11 +0000 (03:03 +0000)]
AMDGPU/GlobalISel: Redo legality for build_vector

It seems better to avoid using the callback if possible since
there are coverage assertions which are disabled if this is used.

Also fix missing tests. Only test the legal cases since it seems
legalization for build_vector is quite lacking.

llvm-svn: 349878

5 years agoMark two filesystem LWG issues as complete - nothing to do
Eric Fiselier [Fri, 21 Dec 2018 02:17:00 +0000 (02:17 +0000)]
Mark two filesystem LWG issues as complete - nothing to do

llvm-svn: 349877

5 years ago[analyzer] Perform escaping in RetainCountChecker on type mismatch even for inlined...
George Karpenkov [Fri, 21 Dec 2018 02:16:36 +0000 (02:16 +0000)]
[analyzer] Perform escaping in RetainCountChecker on type mismatch even for inlined functions

The fix done in D55465 did not previously apply when the function was inlined.

rdar://46889541

Differential Revision: https://reviews.llvm.org/D55976

llvm-svn: 349876

5 years ago[analyzer] Fix a bug in RetainCountDiagnostics while printing a note on mismatched...
George Karpenkov [Fri, 21 Dec 2018 02:16:23 +0000 (02:16 +0000)]
[analyzer] Fix a bug in RetainCountDiagnostics while printing a note on mismatched summary in inlined functions

Previously, we were not printing a note at all if at least one of the parameters was not annotated.

rdar://46888422

Differential Revision: https://reviews.llvm.org/D55972

llvm-svn: 349875

5 years ago"help finish" tells you it is an alias. "help fin" doesn't.
Jim Ingham [Fri, 21 Dec 2018 01:45:28 +0000 (01:45 +0000)]
"help finish" tells you it is an alias.  "help fin" doesn't.

They both run the same command, and people get used to typing the shortest
string they can, so we should support alias info on shortened strings as well.

<rdar://problem/46859207>

llvm-svn: 349874

5 years ago[memcpyopt] Add debug logs when forwarding memcpy src to dst
Reid Kleckner [Fri, 21 Dec 2018 01:41:20 +0000 (01:41 +0000)]
[memcpyopt] Add debug logs when forwarding memcpy src to dst

llvm-svn: 349873

5 years ago[mingw] Don't mangle thiscall like fastcall etc
Reid Kleckner [Fri, 21 Dec 2018 01:40:29 +0000 (01:40 +0000)]
[mingw] Don't mangle thiscall like fastcall etc

GCC does not mangle it when it is not explicit in the source.  The
mangler as currently written cannot differentiate between explicit and
implicit calling conventions, so we can't match GCC. Explicit thiscall
conventions are rare, so mangle as if the convention was implicit to be
as ABI compatible as possible.

Also fixes some tests using %itanium_abi_triple in some configurations
as a side effect.

Fixes PR40107.

llvm-svn: 349872

5 years ago[LoopUnroll] Don't verify domtree by default with +Asserts.
Eli Friedman [Fri, 21 Dec 2018 01:28:49 +0000 (01:28 +0000)]
[LoopUnroll] Don't verify domtree by default with +Asserts.

This verification is linear in the size of the function, so it can cause
a quadratic compile-time explosion in a function with many loops to
unroll.

Differential Revision: https://reviews.llvm.org/D54732

llvm-svn: 349871

5 years ago[X86] Autogenerate complete checks. NFC
Craig Topper [Fri, 21 Dec 2018 01:27:33 +0000 (01:27 +0000)]
[X86] Autogenerate complete checks. NFC

llvm-svn: 349870

5 years agoFix stack-buffer-overflow in lldb_private::Host::FindProcesses (2/2)
Jonas Devlieghere [Fri, 21 Dec 2018 01:22:58 +0000 (01:22 +0000)]
Fix stack-buffer-overflow in lldb_private::Host::FindProcesses (2/2)

This fixes the second call at line 640 that I missed in r349858.

llvm-svn: 349869

5 years ago[X86] Refactor hasNoCarryFlagUses and hasNoSignFlagUses in X86ISelDAGToDAG.cpp to...
Craig Topper [Fri, 21 Dec 2018 01:14:25 +0000 (01:14 +0000)]
[X86] Refactor hasNoCarryFlagUses and hasNoSignFlagUses in X86ISelDAGToDAG.cpp to tranlate opcode to condition code using the helpers in X86InstrInfo.cpp.

This shortens the switches in X86ISelDAGToDAG.cpp to only need to check condition code instead of a list of opcodes.

This also fixes a bug where the memory forms of SETcc were missing from hasNoCarryFlagUses.

llvm-svn: 349868

5 years ago[X86] Add memory forms of some SETCC instructions to hasNoCarryFlagUses.
Craig Topper [Fri, 21 Dec 2018 01:14:23 +0000 (01:14 +0000)]
[X86] Add memory forms of some SETCC instructions to hasNoCarryFlagUses.

Found while working on another patch

llvm-svn: 349867

5 years ago[driver] [analyzer] Fix --analyze -Xanalyzer after r349863.
Artem Dergachev [Fri, 21 Dec 2018 01:11:21 +0000 (01:11 +0000)]
[driver] [analyzer] Fix --analyze -Xanalyzer after r349863.

If an -analyzer-config is passed through -Xanalyzer, it is not found while
looking for -Xclang.

Additionally, don't emit -analyzer-config-compatibility-mode for *every*
-analyzer-config flag we encounter; one is enough.

https://reviews.llvm.org/D55823

rdar://problem/46504165

llvm-svn: 349866

5 years agoAdd an assertion to aid in tracking down a bug
Adrian Prantl [Fri, 21 Dec 2018 01:09:15 +0000 (01:09 +0000)]
Add an assertion to aid in tracking down a bug

llvm-svn: 349865

5 years agoRemove ineffective (misspelled) sanitizer option
Adrian Prantl [Fri, 21 Dec 2018 01:09:14 +0000 (01:09 +0000)]
Remove ineffective (misspelled) sanitizer option

llvm-svn: 349864

5 years agoRevert "Revert "[driver] [analyzer] Fix a backward compatibility issue after r348038.""
George Karpenkov [Fri, 21 Dec 2018 00:26:19 +0000 (00:26 +0000)]
Revert "Revert "[driver] [analyzer] Fix a backward compatibility issue after r348038.""

This reverts commit 144927939587b790c0536f4ff08245043fc8d733.

Fixes the bug in the original commit.

llvm-svn: 349863

5 years ago[analyzer] RetainCount: Suppress retain detection heuristic on some CM methods.
Artem Dergachev [Fri, 21 Dec 2018 00:18:58 +0000 (00:18 +0000)]
[analyzer] RetainCount: Suppress retain detection heuristic on some CM methods.

If it ends with "Retain" like CFRetain and returns a CFTypeRef like CFRetain,
then it is not necessarily a CFRetain. But it is indeed true that these two
return something retained.

Differential Revision: https://reviews.llvm.org/D55907

rdar://problem/39390714

llvm-svn: 349862

5 years agoFix typo
Adrian Prantl [Thu, 20 Dec 2018 23:50:32 +0000 (23:50 +0000)]
Fix typo

llvm-svn: 349861

5 years agoRemove dead code.
Rui Ueyama [Thu, 20 Dec 2018 23:47:39 +0000 (23:47 +0000)]
Remove dead code.

This code is no-op because of r349849.

Differential Revision: https://reviews.llvm.org/D55962

llvm-svn: 349859

5 years agoFix stack-buffer-overflow in lldb_private::Host::FindProcesses
Jonas Devlieghere [Thu, 20 Dec 2018 23:45:26 +0000 (23:45 +0000)]
Fix stack-buffer-overflow in lldb_private::Host::FindProcesses

Found by the address sanitizer on GreenDragon:
http://green.lab.llvm.org/green/view/LLDB/job/lldb-sanitized/1628/console

llvm-svn: 349858

5 years ago[ARM] Complete the Thumb1 shift+and->shift+shift transforms.
Eli Friedman [Thu, 20 Dec 2018 23:39:54 +0000 (23:39 +0000)]
[ARM] Complete the Thumb1 shift+and->shift+shift transforms.

This saves materializing the immediate.  The additional forms are less
common (they don't usually show up for bitfield insert/extract), but
they're still relevant.

I had to add a new target hook to prevent DAGCombine from reversing the
transform. That isn't the only possible way to solve the conflict, but
it seems straightforward enough.

Differential Revision: https://reviews.llvm.org/D55630

llvm-svn: 349857

5 years ago[lldb] Add a "display-recognized-arguments" target setting to show recognized argumen...
Kuba Mracek [Thu, 20 Dec 2018 23:38:19 +0000 (23:38 +0000)]
[lldb] Add a "display-recognized-arguments" target setting to show recognized arguments by default

Differential Revision: https://reviews.llvm.org/D55954

llvm-svn: 349856

5 years ago[NativePDB] Create VarDecls for global variables.
Zachary Turner [Thu, 20 Dec 2018 23:32:37 +0000 (23:32 +0000)]
[NativePDB] Create VarDecls for global variables.

Previously we would create these for local variables but not for
global variables.

Also updated existing tests which created global variables to check
for them in the resulting AST.

llvm-svn: 349854

5 years ago[CodeGen] Fix a test from r349848 by replacing `objc_` with `llvm.objc.`
Volodymyr Sapsai [Thu, 20 Dec 2018 23:26:29 +0000 (23:26 +0000)]
[CodeGen] Fix a test from r349848 by replacing `objc_` with `llvm.objc.`

llvm-svn: 349853

5 years agoRevert "[asan] Disable test on powerpc64be"
Vitaly Buka [Thu, 20 Dec 2018 23:25:26 +0000 (23:25 +0000)]
Revert "[asan] Disable test on powerpc64be"

Now the test is passing on that bot. Some incremental build issues?

This reverts commit e00b5a5229ae02088d9f32a4e328eaa08abaf354.

llvm-svn: 349852

5 years agoDisable a few tests on the green dragon sanitzier bot.
Adrian Prantl [Thu, 20 Dec 2018 23:16:47 +0000 (23:16 +0000)]
Disable a few tests on the green dragon sanitzier bot.

These are tests that found actual, but hard to fix, bugs that are
tracked elsewhere. Leaving them red only distracts from new failures
this bot finds.

llvm-svn: 349851

5 years agoSimplify. NFC.
Rui Ueyama [Thu, 20 Dec 2018 22:54:41 +0000 (22:54 +0000)]
Simplify. NFC.

llvm-svn: 349850

5 years ago[ELF] Move IsNeeded logic from SymbolTable::addShared to MarkLive, and check IsUsedIn...
Fangrui Song [Thu, 20 Dec 2018 22:46:01 +0000 (22:46 +0000)]
[ELF] Move IsNeeded logic from SymbolTable::addShared to MarkLive, and check IsUsedInRegularObj

Summary:
In glibc, libc.so is a linker script with an as-needed dependency on ld-linux-x86-64.so.2

    GROUP ( /lib/x86_64-linux-gnu/libc.so.6 /usr/lib/x86_64-linux-gnu/libc_nonshared.a  AS_NEEDED ( /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 ) )

ld-linux-x86-64.so.2 (as-needed) defines some symbols which resolve undefined references in libc.so.6, it will therefore be added as a DT_NEEDED entry, which isn't necessary.

The test case as-needed-not-in-regular.s emulates the libc.so scenario, where ld.bfd and gold don't add DT_NEEDED for a.so

The relevant code in gold/resolve.cc:

  // If we have a non-WEAK reference from a regular object to a
  // dynamic object, mark the dynamic object as needed.
  if (to->is_from_dynobj() && to->in_reg() && !to->is_undef_binding_weak())
    to->object()->set_is_needed();

in_reg() appears to do something similar to IsUsedInRegularObj.

This patch makes lld do the similar thing, but moves the check from
addShared to a later stage MarkLive where all symbols are scanned.

Reviewers: ruiu, pcc, espindola

Reviewed By: ruiu

Subscribers: emaste, arichardson, llvm-commits

Differential Revision: https://reviews.llvm.org/D55902

llvm-svn: 349849

5 years ago[CodeGen] Fix assertion on emitting cleanup for object with inlined inherited constru...
Volodymyr Sapsai [Thu, 20 Dec 2018 22:43:26 +0000 (22:43 +0000)]
[CodeGen] Fix assertion on emitting cleanup for object with inlined inherited constructor and non-trivial destructor.

Fixes assertion
> Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!"), function cast, file llvm/Support/Casting.h, line 255.

It was triggered by trying to cast `FunctionDecl` to `CXXMethodDecl` as
`CGF.CurCodeDecl` in `CallBaseDtor::Emit`. It was happening because
cleanups were emitted in `ScalarExprEmitter::VisitExprWithCleanups`
after destroying `InlinedInheritingConstructorScope`, so
`CodeGenFunction.CurCodeDecl` didn't correspond to expected cleanup decl.

Fix the assertion by emitting cleanups before leaving
`InlinedInheritingConstructorScope` and changing `CurCodeDecl`.

Test cases based on a patch by Shoaib Meenai.

Fixes PR36748.

rdar://problem/45805151

Reviewers: rsmith, rjmccall

Reviewed By: rjmccall

Subscribers: jkorous, dexonsmith, cfe-commits, smeenai, compnerd

Differential Revision: https://reviews.llvm.org/D55543

llvm-svn: 349848

5 years ago[InstCombine] [NFC] testcases for canonicalize MUL with NEG operand
Chen Zheng [Thu, 20 Dec 2018 22:37:05 +0000 (22:37 +0000)]
[InstCombine] [NFC] testcases for canonicalize MUL with NEG operand

llvm-svn: 349847

5 years agoFix Windows build failures caused by r349839
Tom Stellard [Thu, 20 Dec 2018 22:36:02 +0000 (22:36 +0000)]
Fix Windows build failures caused by r349839

llvm-svn: 349846

5 years agoAdd support for namespaces on #pragma clang attribute
Erik Pilkington [Thu, 20 Dec 2018 22:32:04 +0000 (22:32 +0000)]
Add support for namespaces on #pragma clang attribute

Namespaces are introduced by adding an "identifier." before a
push/pop directive. Pop directives with namespaces can only pop a
attribute group that was pushed with the same namespace. Push and pop
directives that don't opt into namespaces have the same semantics.

This is necessary to prevent a pitfall of using multiple #pragma
clang attribute directives spread out in a large file, particularly
when macros are involved. It isn't easy to see which pop corripsonds
to which push, so its easy to inadvertently pop the wrong group.

Differential revision: https://reviews.llvm.org/D55628

llvm-svn: 349845

5 years ago[asan] Disable test on powerpc64be
Vitaly Buka [Thu, 20 Dec 2018 22:29:54 +0000 (22:29 +0000)]
[asan] Disable test on powerpc64be

llvm-svn: 349844

5 years agoRevert "[driver] [analyzer] Fix a backward compatibility issue after r348038."
Artem Dergachev [Thu, 20 Dec 2018 22:29:49 +0000 (22:29 +0000)]
Revert "[driver] [analyzer] Fix a backward compatibility issue after r348038."

This reverts commits r349824, r349828, r349835.

More buildbot failures were noticed.

Differential Revision: https://reviews.llvm.org/D55823

rdar://problem/46504165

llvm-svn: 349843

5 years ago[ObjC] Messages to 'self' in class methods that return 'instancetype' should
Alex Lorenz [Thu, 20 Dec 2018 22:11:11 +0000 (22:11 +0000)]
[ObjC] Messages to 'self' in class methods that return 'instancetype' should
use the pointer to the class as the result type of the message

Prior to this commit, messages to self in class methods were treated as instance
methods to a Class value. When these methods returned instancetype the compiler
only saw id through the instancetype, and not the Interface *. This caused
problems when that return value was a receiver in a message send, as the
compiler couldn't select the right method declaration and had to rely on a
selection from the global method pool.

This commit modifies the semantics of such message sends and uses class messages
that are dispatched to the interface that corresponds to the class that contains
the class method. This ensures that instancetypes are correctly interpreted by
the compiler. This change is safe under ARC (as self can't be reassigned),
however, it also applies to MRR code as we are assuming that the user isn't
doing anything unreasonable.

rdar://20940997

Differential Revision: https://reviews.llvm.org/D36790

llvm-svn: 349841

5 years agocmake: Remove uses of add_llvm_loadable_module macro
Tom Stellard [Thu, 20 Dec 2018 22:04:36 +0000 (22:04 +0000)]
cmake: Remove uses of add_llvm_loadable_module macro

This was removed from llvm in r349839.

llvm-svn: 349840

5 years agocmake: Remove add_llvm_loadable_module()
Tom Stellard [Thu, 20 Dec 2018 22:04:08 +0000 (22:04 +0000)]
cmake: Remove add_llvm_loadable_module()

Summary:
This function is very similar to add_llvm_library(),  so this patch merges it
into add_llvm_library() and replaces all calls to add_llvm_loadable_module(lib ...)
with add_llvm_library(lib MODULE ...)

Reviewers: philip.pfaffe, beanz, chandlerc

Reviewed By: philip.pfaffe

Subscribers: chapuni, mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D51748

llvm-svn: 349839

5 years ago[gn check] Unbreak check-lld if llvm_install_binutils_symlinks is false
Nico Weber [Thu, 20 Dec 2018 21:57:12 +0000 (21:57 +0000)]
[gn check] Unbreak check-lld if llvm_install_binutils_symlinks is false

The check-lld target was missing the dependency on llvm-nm and llvm-objdump in that case.

Differential Revision: https://reviews.llvm.org/D55941

llvm-svn: 349836

5 years ago[driver] [analyzer] Fix redundant test output.
Artem Dergachev [Thu, 20 Dec 2018 21:56:49 +0000 (21:56 +0000)]
[driver] [analyzer] Fix redundant test output.

The -c flag causes a .o file to appear every time we run a test.
Remove it.

Differential Revision: https://reviews.llvm.org/D55823

rdar://problem/46504165

llvm-svn: 349835

5 years ago[gn build] Add build file for clang/lib/CodeGen and llvm/lib/ProfileData/Coverage
Nico Weber [Thu, 20 Dec 2018 21:56:16 +0000 (21:56 +0000)]
[gn build] Add build file for clang/lib/CodeGen and llvm/lib/ProfileData/Coverage

Differential Revision: https://reviews.llvm.org/D55931

llvm-svn: 349834

5 years ago[gn build] Add build files for clang/lib/{Frontend,Frontend/Rewrite,Serialization}
Nico Weber [Thu, 20 Dec 2018 21:55:28 +0000 (21:55 +0000)]
[gn build] Add build files for clang/lib/{Frontend,Frontend/Rewrite,Serialization}

Differential Revision: https://reviews.llvm.org/D55930

llvm-svn: 349833

5 years ago[gn build] Add build file for clang/lib/Driver
Nico Weber [Thu, 20 Dec 2018 21:54:13 +0000 (21:54 +0000)]
[gn build] Add build file for clang/lib/Driver

Mostly boring, except for the spurious dependency on StaticAnalyzer/Checkers --
see comments in the code.

Differential Revision: https://reviews.llvm.org/D55927

llvm-svn: 349832

5 years ago[gn build] Add build file for clang/lib/Parse
Nico Weber [Thu, 20 Dec 2018 21:53:05 +0000 (21:53 +0000)]
[gn build] Add build file for clang/lib/Parse

Nothing really interesting. One thing to consider is where the clang_tablegen()
invocations that generate files that are private to a library should be. The
CMake build puts them in clang/include/clang/Parse (in this case), but maybe
putting them right in clang/lib/Parse/BUILD.gn makes mor sense. (For
clang_tablegen() calls that generate .inc files used by the public headers,
putting the call in the public BUILD file makes sense.)

For now, I've put the build file in the public header folder, since that
matches CMake and what I did in the last 2 clang patches, but I'm not sure I
like this.

Differential Revision: https://reviews.llvm.org/D55925

llvm-svn: 349831

5 years ago[gn build] Add build files for clang-format and lib/{Format,Rewrite,Tooling/Core...
Nico Weber [Thu, 20 Dec 2018 21:51:46 +0000 (21:51 +0000)]
[gn build] Add build files for clang-format and lib/{Format,Rewrite,Tooling/Core,Tooling/Inclusions}

Differential Revision: https://reviews.llvm.org/D55924

llvm-svn: 349830