Commit Graph

321941 Commits

Author SHA1 Message Date
Evgeniy Stepanov f45fd429b7 Speculative fix for stack-tagging.ll failure.
Depending on the evaluation order of function call arguments,
the current code may insert a use before def.

llvm-svn: 366375
2019-07-17 21:27:44 +00:00
Dominik Adamski eece5a9d31 [NFC][ScopBuilder]Move finalizeAccesses and its callees to ScopBuilder
Scope of changes:
1) Moved finalizeAccesses to ScopBuilder
2) Moved updateAccessDimensionality to ScopBuilder
3) Moved foldSizeConstantsToRight to ScopBuilder
4) Moved foldSizeConstantsToRight to ScopBuilder
5) Moved assumeNoOutOfBounds to ScopBuilder
6) Moved markFortranArrays to ScopBuilder
7) Added iterator range for AccessFunctions vector.

Differential Revision: https://reviews.llvm.org/D63794

llvm-svn: 366374
2019-07-17 21:25:18 +00:00
Hideto Ueno 4a09a73fb0 [Attributor][NFC] Remove unnecessary debug output
llvm-svn: 366373
2019-07-17 21:11:02 +00:00
Nilanjana Basu 6e4076699c Adding inline comments to code view type record directives for better readability
llvm-svn: 366372
2019-07-17 21:01:12 +00:00
Francis Visoiu Mistrih 9f2b290add [PEI] Don't re-allocate a pre-allocated stack protector slot
The LocalStackSlotPass pre-allocates a stack protector and makes sure
that it comes before the local variables on the stack.

We need to make sure that later during PEI we don't re-allocate a new
stack protector slot. If that happens, the new stack protector slot will
end up being **after** the local variables that it should be protecting.

Therefore, we would have two slots assigned for two different stack
protectors, one at the top of the stack, and one at the bottom. Since
PEI will overwrite the assigned slot for the stack protector, the load
that is used to compare the value of the stack protector will use the
slot assigned by PEI, which is wrong.

For this, we need to check if the object is pre-allocated, and re-use
that pre-allocated slot.

Differential Revision: https://reviews.llvm.org/D64757

llvm-svn: 366371
2019-07-17 20:46:19 +00:00
Francis Visoiu Mistrih 39fc2843e4 [CodeGen] Add stack protector tests where the guard gets re-assigned
In preparation of a fix, add tests for multiple backends.

llvm-svn: 366370
2019-07-17 20:46:16 +00:00
Francis Visoiu Mistrih 90ba54bf67 [CodeGen][NFC] Simplify checks for stack protector index checking
Use `hasStackProtectorIndex()` instead of `getStackProtectorIndex() >=
0`.

llvm-svn: 366369
2019-07-17 20:46:09 +00:00
Sunil Srivastava 85d667fcb6 Renamed and changed the wording of warn_cconv_ignored
As discussed in D64780 the wording of this warning message is being
changed to say 'is not supported' instead of 'ignored', and the
diag ID itself is being changed to warn_cconv_not_supported.

llvm-svn: 366368
2019-07-17 20:41:26 +00:00
Matt Arsenault 0966dd0d69 GlobalISel: Handle widenScalar of arbitrary G_MERGE_VALUES sources
Extract the sources to the GCD of the original size and target size,
padding with implicit_def as necessary.

Also fix the case where the requested source type is wider than the
original result type. This was ignoring the type, and just using the
destination. Do the operation in the requested type and truncate back.

llvm-svn: 366367
2019-07-17 20:22:44 +00:00
Matt Arsenault 914a59cad8 GlobalISel: Handle more cases for widenScalar of G_MERGE_VALUES
Use an anyext to the requested type for the leftover operand to
produce a slightly wider type, and then truncate the final merge.

I have another implementation almost ready which handles arbitrary
widens, but I think it produces worse code in this example (which I
think is 90% due to not folding redundant copies or folding out
implicit_def users), so I wanted to add this as a baseline first.

llvm-svn: 366366
2019-07-17 20:22:38 +00:00
Shafik Yaghmour a0858e2f20 Fix CreateFunctionTemplateSpecialization to prevent dangling poiner to stack memory
In ClangASTContext::CreateFunctionTemplateSpecializationInfo a TemplateArgumentList is allocated on the stack but is treated as if it is persistent in subsequent calls. When we exit the function func_decl will still point to the stack allocated memory. We will use TemplateArgumentList::CreateCopy instead which will allocate memory out of the DeclContext.

Differential Revision: https://reviews.llvm.org/D64777

llvm-svn: 366365
2019-07-17 20:16:13 +00:00
Jonas Devlieghere c2cd84bcfb [docs] Adjust variable formatting table
While the in-place hints on valid formats are up to date (e.g. when
choosing an invalid format expr -f nonExisting -- 42), the corresponding
online docs table is not. The formats "address", "hex float",
"instruction" and "void" are missing, and "decimal" refers to an
outdated abbreviation 'i' instead of 'd'.

Patch by: Lukas Böger

Differential revision: https://reviews.llvm.org/D63813

llvm-svn: 366364
2019-07-17 19:49:01 +00:00
Jonas Devlieghere e37750b934 [CMake] Remove duplicated logic to find Python when doing a standalone build
I'm pretty sure there's no need to have this logic living in
LLDBStandalone. It doesn't appear anything in LLVM depends on this, and
We always go through LLDBConfig.cmake which has the canonical way to
find the Python libs and interpreter for LLDB.

Differential revision: https://reviews.llvm.org/D64821

llvm-svn: 366363
2019-07-17 19:36:20 +00:00
Jonas Devlieghere ca12cb9482 [CMake] Use LLVM_DIR and Clang_DIR for standalone builds.
When doing a standalone build, without setting LLDB_PATH_TO_LLVM_BUILD
or LLDB_PATH_TO_CLANG_BUILD, you get the following error.

```
CMake Error at cmake/modules/LLDBStandalone.cmake:23 (find_package):
  Could not find a package configuration file provided by "LLVM" with any of
  the following names:

    LLVMConfig.cmake
    llvm-config.cmake

  Add the installation prefix of "LLVM" to CMAKE_PREFIX_PATH or set
  "LLVM_DIR" to a directory containing one of the above files.  If "LLVM"
  provides a separate development package or SDK, be sure it has been
  installed.
```

This suggests setting LLVM_DIR to LLVM's install directory. However,
LLDBStandalone.cmake takes LLDB_PATH_TO_LLVM_BUILD as its hint. As
someone who isn't familiar with the standalone process, this is rather
confusing. This patch removes LLDB_PATH_TO_LLVM_BUILD and
LLDB_PATH_TO_CLANG_BUILD and instead use LLVM_DIR and Clang_DIR
respectively.

Differential revision: https://reviews.llvm.org/D64823

llvm-svn: 366362
2019-07-17 19:24:15 +00:00
Evgeniy Stepanov 851339fb29 Basic MTE stack tagging instrumentation.
Summary:
Use MTE intrinsics to tag stack variables in functions with
sanitize_memtag attribute.

Reviewers: pcc, vitalybuka, hctim, ostannard

Subscribers: srhines, mgorny, javed.absar, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64173

llvm-svn: 366361
2019-07-17 19:24:12 +00:00
Evgeniy Stepanov d752f5e953 Basic codegen for MTE stack tagging.
Implement IR intrinsics for stack tagging. Generated code is very
unoptimized for now.

Two special intrinsics, llvm.aarch64.irg.sp and llvm.aarch64.tagp are
used to implement a tagged stack frame pointer in a virtual register.

Differential Revision: https://reviews.llvm.org/D64172

llvm-svn: 366360
2019-07-17 19:24:02 +00:00
Louis Dionne 66412df94f [libc++] XFAIL a test that does not behave properly on older Clang
rdar://53015486

llvm-svn: 366359
2019-07-17 18:54:29 +00:00
Sam Clegg accad76c14 [lld][WebAssembly] Fix handling of comdat functions in init array.
When hidden symbols are discarded by comdat rules we still want to
create a local defined symbol, otherwise `Symbol::isDiscarded()` relies
on begin able to check `getChunk->discarded`.

This is a followup on rL362769. The comdat.ll test was previously GC'ing
the `__wasm_call_ctors` functions so `do_init` was not actually being
included in the link.  Once that function was included in triggered the
crash bug that this change addresses.

Fixes: https://github.com/emscripten-core/emscripten/issues/8981

Differential Revision: https://reviews.llvm.org/D64872

llvm-svn: 366358
2019-07-17 18:43:36 +00:00
Alexey Bataev 48f5a43bcc [OPENMP]Fix PR42632: crash on the analysis of the OpenMP constructs.
Fixed processing of the CapturedStmt children to fix the crash of the
OpenMP constructs during analysis.

llvm-svn: 366357
2019-07-17 18:03:39 +00:00
Jonas Devlieghere f90d3dff6e [dotest] Disable color while testing.
Disable colors so we don't risk having unexpected ANSI codes in the test
output. Currently, the behavior of a test can change depending on
whether it's run under a color-supporting terminal, or under a dummy
terminal, for example when using lit or multiprocessing.

llvm-svn: 366356
2019-07-17 17:56:57 +00:00
Momchil Velikov 0e2b74a2b0 Revert [AArch64] Add support for Transactional Memory Extension (TME)
This reverts r366322 (git commit 4b8da3a503)

llvm-svn: 366355
2019-07-17 17:43:32 +00:00
Julie Hockett 337aea438c [clang-tidy] Exclude forward decls from fuchsia-multiple-inheritance
Addresses b39770.

Differential Revision: https://reviews.llvm.org/D64813

llvm-svn: 366354
2019-07-17 17:40:53 +00:00
Nathan Huckleberry b53e13cd43 [clang-tidy] Fix crash on end location inside macro
Summary:
Lexer::getLocForEndOfToken is defined to return an
invalid location if the given location is inside a macro.
Other checks conditionally warn based off location
validity. Updating this check to do the same.

Reviewers: JonasToth, aaron.ballman, nickdesaulniers

Reviewed By: nickdesaulniers

Subscribers: lebedev.ri, nickdesaulniers, xazax.hun, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64607

llvm-svn: 366353
2019-07-17 17:22:43 +00:00
Jonas Devlieghere dce1954f45 [Test] Add module cache for TestWeakSymbols
Explicitly set the module cache in the Makefile with
-fmodules-cache-path.

llvm-svn: 366352
2019-07-17 17:22:29 +00:00
Anastasia Stulova 79f4e4770b [Docs][OpenCL] Documentation of C++ for OpenCL mode
Added documentation of C++ for OpenCL mode into Clang
User Manual and Language Extensions document.

Differential Revision: https://reviews.llvm.org/D64418

llvm-svn: 366351
2019-07-17 17:21:31 +00:00
Stefan Granitz ee24b40b9e [CMake] Avoid liblldb genex when figuring out the copy destination for framework tools
This genex created an order-only dependency to liblldb for every framework tool. It reduced build throughput in the first half of the compilation and pulled in unnecessary build units, e.g. debugserver required ~900 build units. With this change debugserver is (again) down at 52 build units!

llvm-svn: 366350
2019-07-17 17:14:40 +00:00
Ron Lieberman 59532488b1 [OPENMP] Resolve lost LoopTripCnt for subsequent loops in same thread.
Remove loopTripCnt from threaded device stack after consuming it.
Added a libomptarget DP message to aid in future debugging and to
validate the added testcase, which only runs in Debug build.

Differential Revision: https://reviews.llvm.org/D64808

llvm-svn: 366349
2019-07-17 17:07:52 +00:00
Daniil Fukalov d912a9ba9b [AMDGPU] Tune inlining parameters for AMDGPU target
Summary:
Since the target has no significant advantage of vectorization,
vector instructions bous threshold bonus should be optional.

amdgpu-inline-arg-alloca-cost parameter default value and the target
InliningThresholdMultiplier value tuned then respectively.

Reviewers: arsenm, rampitec

Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, eraman, hiraditya, haicheng, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64642

llvm-svn: 366348
2019-07-17 16:51:29 +00:00
Raphael Isemann 3fce6b5da1 [lldb] Make log for ClangModulesDeclVendor's compiler flag less verbose
Summary:
Currently the ClangModulesDeclVendor is spamming the expression log with the compiler flags it is using, which creates a log that looks like this:

```
clang

 -fmodules

 -fimplicit-module-maps
```

This patch removes all these newlines and just prints the compiler flags in one line as you see in the command line:

```
clang -fmodules -fimplicit-module-maps [...]
```

Reviewers: shafik, davide

Reviewed By: davide

Subscribers: davide, abidh, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D64858

llvm-svn: 366347
2019-07-17 16:51:16 +00:00
Jonas Devlieghere 7f24757b8e [CMake] Move standalone check so we don't have to reconfigure LLDB
By moving the standalone check into the main CMake file, the whole file
is ignored in a regular (non-standalone) build. This means that you can
make changes to LLDBStandalone.cmake without having to reconfigure a
build in a different directory. This matters when you share one source
repository with different build directories (e.g. release-assert, debug,
standalone).

Differential revision: https://reviews.llvm.org/D64824

llvm-svn: 366346
2019-07-17 16:47:02 +00:00
Nathan Lanza 3b96ebeee4 [NativePDB] Add a FromCompilerDecl for going from lldb -> clang
Summary:
A common transformation in NativePDB is to go from lldb types to clang
types and vice versa. This function automates one of those steps.

Differential Revision: https://reviews.llvm.org/D64851

llvm-svn: 366345
2019-07-17 16:43:36 +00:00
Lang Hames 1716454027 [ORC] Add deprecation warnings to ORCv1 layers and utilities.
Summary:
ORCv1 is deprecated. The current aim is to remove it before the LLVM 10.0
release. This patch adds deprecation attributes to the ORCv1 layers and
utilities to warn clients of the change.

Reviewers: dblaikie, sgraenitz, AlexDenisov

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64609

llvm-svn: 366344
2019-07-17 16:40:52 +00:00
Alex Bradbury 544315b419 [RISCV] Revert r366331 as it exposed some sanitizer failures
See <http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/33612>.

llvm-svn: 366343
2019-07-17 16:14:52 +00:00
Julian Lettner 9a050f92bb [ASan] Support `{f}puts(NULL)` on Darwin
On Darwin, the man page states that "both fputs() and puts() print
`(null)' if str is NULL."

rdar://48227136

Reviewed By: Lekensteyn

Differential Revision: https://reviews.llvm.org/D64773

llvm-svn: 366342
2019-07-17 16:09:25 +00:00
Jonathan Peyton aa5cdafa40 Remove REQUIRES OMP spec version within lit tests
This is a follow up patch to D64534 (r365963) which removed all OMP
spec versioning within the OpenMP runtime codebase.  This patch removes
REQUIRES: openmp-x.y lines from lit tests.

llvm-svn: 366341
2019-07-17 15:41:00 +00:00
Matt Arsenault 06eed42213 AMDGPU: Use getTargetConstant
Avoids creating an extra intermediate mov.

llvm-svn: 366340
2019-07-17 15:35:36 +00:00
Simon Pilgrim 0730710b3f Fix MSVC 'implicitly capture' compile error. NFCI.
llvm-svn: 366339
2019-07-17 15:31:53 +00:00
Nathan Ridge e61d0257ed [clangd] Type hierarchy: don't resolve parents if the client only asked for children
Summary: Also reorganize the code for computing supertypes to make it more symmetric to subtypes.

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64613

llvm-svn: 366338
2019-07-17 15:26:49 +00:00
Ilya Biryukov f81ee439a4 [clang-tidy] Adjust location of namespace comment diagnostic
Summary:
If there is no comment, place it at the closing brace of a namespace
definition. Previously it was placed at the next character after the
closing brace.

The new position produces a better location for highlighting in clangd
and does not seem to make matters worse for clang-tidy.

Reviewers: alexfh, hokein

Reviewed By: alexfh, hokein

Subscribers: xazax.hun, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64861

llvm-svn: 366337
2019-07-17 15:22:14 +00:00
Mike Rice 552c2c09d3 [OPENMP]Fix crash in LoopCounterRefChecker when MemberExpr is not Var or Field
checkDecl is only valid for VarDecls or FieldDecls, since getCanonicalDecl
expects only these. Prevent other Decl kinds (such as CXXMethodDecls and
EnumConstantDecls) from entering and asserting.

Differential Revision: https://reviews.llvm.org/D64842

llvm-svn: 366336
2019-07-17 15:18:45 +00:00
Hideto Ueno 11d3710c1c [Attributor] Deduce "willreturn" function attribute
Summary:
Deduce the "willreturn" attribute for functions.

For now, intrinsics are not willreturn. More annotation will be done in another patch.

Reviewers: jdoerfert

Subscribers: jvesely, nhaehnle, nicholas, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63046

llvm-svn: 366335
2019-07-17 15:15:43 +00:00
Owen Reynolds 629273ec09 [llvm-ar][test] Add tests failing on Darwin
These tests that failed on Darwin but passed on other machines due to the default archive format differing
on a Darwin machine, and what looks to be bugs in the output of this format.
I can not investigate these issue further so the tests are considered expected failures on Darwin.

Differential Revision: https://reviews.llvm.org/D64802

llvm-svn: 366334
2019-07-17 15:10:02 +00:00
Chris Jackson 87886299b4 [lld] Add Visual Studio compatible diagnostics
Summary:
Add a --vs-diagnostics flag that alters the format of diagnostic output
to enable source hyperlinks in Visual Studio.

Differential Revision: https://reviews.llvm.org/D58484

Reviewed by: ruiu

llvm-svn: 366333
2019-07-17 14:54:02 +00:00
Gabor Marton ae512b83d5 [ASTImporter] Fix structural eq of lambdas
Summary:
The structural equivalence check reported false eq between lambda classes
with different parameters in their call signature.
The solution is to check the methods for equality too in case of lambda
classes.

Reviewers: a_sidorin, a.sidorin

Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64075

llvm-svn: 366332
2019-07-17 14:40:09 +00:00
Alex Bradbury 80de11ed02 [RISCV] Add RISCV to LLVM_ALL_TARGETS so it s built by default
This follows the RFC <http://lists.llvm.org/pipermail/llvm-dev/2019-July/133724.html>.

Follow-on commits will add appropriate release notes changes etc.

Pushing this now and in a minimal form so there is reasonable time before 9.0
branches to resolve any issues arising from e.g. the backend being exposed on
different sanitizer setups.

The current builder for RISC-V is on the staging build-bot
<http://lab.llvm.org:8014/builders/llvm-riscv-linux>, however with the RISCV
backend being built by default it won't provide any real additional coverage.
We will shortly set up a builder that runs the test-suite in qemu-user.

llvm-svn: 366331
2019-07-17 14:32:25 +00:00
Alex Bradbury c74fded05f [RISCV][NFC] Remove outdated TODO from test/CodeGen/RISCV/dwarf-eh.ll
llvm-svn: 366330
2019-07-17 14:04:48 +00:00
Alex Bradbury ab009a602e [AsmPrinter] Make the encoding of call sites in .gcc_except_table configurable and use for RISC-V
The original behavior was to always emit the offsets to each call site in the
call site table as uleb128 values, however on some architectures (eg RISCV)
these uleb128 offsets into the code cannot always be resolved until link time
(because relaxation will invalidate any calculated offsets), and there are no
appropriate relocations for uleb128 values. As a consequence it needs to be
possible to specify an alternative.

This also switches RISCV to use DW_EH_PE_udata4 for call side encodings in
.gcc_except_table

Differential Revision: https://reviews.llvm.org/D63415
Patch by Edward Jones.

llvm-svn: 366329
2019-07-17 14:00:35 +00:00
Matt Arsenault 6584c4842f Mips: Remove immarg from copy and insert intrinsics
These intrinsics do in fact work with non-constant index arguments.

These are lowered to either the generic
ISD::INSERT_VECTOR_ELT/ISD::EXTRACT_VECTOR_ELT, or to
VEXTRACT_SEXT_ELT. The handling of these all accept variable
indexes. Turning these into generic instructions which do allow
variables introduces complications in a future change to immarg
handling.

Since these just turn into generic instructions, these are kind of
pointless and should probably just be autoupgraded to
extractelement/insertelement.

llvm-svn: 366328
2019-07-17 13:55:01 +00:00
Alex Bradbury b94c233d06 [RISCV] Set correct encodings for DWARF exception handling
This patch sets correct encodings for DWARF exception handling for RISC-V
(other than call site encoding, which must be udata4 rather than uleb128 and
is handled by D63415).

This has the same intend as D63409, except this version matches GCC/binutils
behaviour which uses the same encodings regardless of PIC/non-PIC and
medlow/medany code model.

llvm-svn: 366327
2019-07-17 13:54:38 +00:00
Alex Bradbury aa55124eca [RISCV][NFC] Add tests that capture current encodings for DWARF EH
Items which are known to be wrong/different vs GCC are marked as TODO and will
be address in follow-up patches.

llvm-svn: 366326
2019-07-17 13:48:49 +00:00