Commit Graph

380649 Commits

Author SHA1 Message Date
Florian Hahn 784c70d704
[ConstraintElimination] Add initial ICMP_NE test cases. 2021-02-22 17:11:04 +00:00
Tim Keith 8720ec6b9a [flang] Add -J and -module-dir to f18 driver
Add -J to the f18 driver for compatibility with gfortran.
Add -module-dir for compatibility with the new flang driver.

They both set the output directory for .mod files and add the
directory to the search list. -module still only does the former.

Clean up the new driver test to match.

Differential Revision: https://reviews.llvm.org/D97164
2021-02-22 09:03:31 -08:00
Simon Pilgrim 476ff0327b [InstSimplify] Cleanup out-of-range shift amount handling.
Use APInt::uge() direct instead of getLimitedValue().

Use KnownBits::getMinValue() to make the bounds check more obvious.
2021-02-22 17:00:49 +00:00
Florian Hahn c7ee57f1dc
[LV] Directly use incoming value for single VPBlendRecipes.
VPBlendRecipes with single incoming (value, mask) pair are no-ops. Use
the incoming value directly.
2021-02-22 16:10:08 +00:00
Shilei Tian 76151acf89 [Clang][OpenMP] Require CUDA 9.2+ for OpenMP offloading on NVPTX target
In current implementation of `deviceRTLs`, we're using some functions
that are CUDA version dependent (if CUDA_VERSION < 9, it is one; otheriwse, it
is another one). As a result, we have to compile one bitcode library for each
CUDA version supported. A worse problem is forward compatibility. If a new CUDA
version is released, we have to update CMake file as well.

CUDA 9.2 has been released for three years. Instead of using various weird tricks
to make `deviceRTLs` work with different CUDA versions and still have forward
compatibility, we can simply drop support for CUDA 9.1 or lower version. It has at
least two benifits:
- We don't need to generate bitcode libraries for each CUDA version;
- Clang driver doesn't need to search for the bitcode lib based on CUDA version.

We can claim that starting from LLVM 12, OpenMP offloading on NVPTX target requires
CUDA 9.2+.

Reviewed By: jdoerfert, JonChesterfield

Differential Revision: https://reviews.llvm.org/D97003
2021-02-22 11:00:33 -05:00
Nathan James daeb70be0b
[clang][NFC] Reorder CXXCtorInitializer members
Swapping the order of Init and MemberOrEllipsisLocation removes 8 bytes (20%) of padding on 64bit builds.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D97191
2021-02-22 15:25:33 +00:00
Sanjay Patel b02bc0224a [LangRef] fix typo in assume bundle description; NFC 2021-02-22 09:30:49 -05:00
Anastasia Stulova b71add9777 [pp-trace] Fix test for OpenCL pragmas.
After updating clang driver to include standard
OpenCL headers implicitly, the output being checked
in the test does not match because the implicit
header contains other pragmas. The test does not
aim to use the header and therefore it has to be
updated passing '-cl-no-stdinc' command-line flag.

This fixes failing bots.
2021-02-22 14:28:45 +00:00
Mikhail Goncharov 3b148d6f99 Revert "Revert "Revert "Implement nullPointerConstant() using a better API."""
This reverts commit ba1d9546ee.
2021-02-22 14:37:03 +01:00
Mikhail Goncharov ba1d9546ee Revert "Revert "Implement nullPointerConstant() using a better API.""
This reverts commit 6984e0d439.

While change by itself seems to be consistent with nullPointerConstant
docs of not matching "int i = 0;" but it's not clear why it's wrong and
9148302a2a author just forgot to update
the doc.
2021-02-22 13:43:42 +01:00
Anastasia Stulova cf3ef15a6e [OpenCL] Add builtin declarations by default.
This change enables the builtin function declarations
in clang driver by default using the Tablegen solution
along with the implicit include of 'opencl-c-base.h'
header.

A new flag '-cl-no-stdinc' disabling all default
declarations and header includes is added. If any other
mechanisms were used to include the declarations (e.g.
with -Xclang -finclude-default-header) and the new default
approach is not sufficient the, `-cl-no-stdinc` flag has
to be used with clang to activate the old behavior.

Tags: #clang

Differential Revision: https://reviews.llvm.org/D96515
2021-02-22 12:24:16 +00:00
Simon Pilgrim 19084887d9 [InstCombine] Add PR45977 test coverage 2021-02-22 12:20:35 +00:00
Ryan Santhiraraja 2c25efcbd3 [AArch64] Adding SHA3 Intrinsics support
This patch adds the following SHA3 Intrinsics:
        vsha512hq_u64,
        vsha512h2q_u64,
        vsha512su0q_u64,
        vsha512su1q_u64
        veor3q_u8
        veor3q_u16
        veor3q_u32
        veor3q_u64
        veor3q_s8
        veor3q_s16
        veor3q_s32
        veor3q_s64
        vrax1q_u64
        vxarq_u64
        vbcaxq_u8
        vbcaxq_u16
        vbcaxq_u32
        vbcaxq_u64
        vbcaxq_s8
        vbcaxq_s16
        vbcaxq_s32
        vbcaxq_s64

    Note need to include +sha3 and +crypto when building from the front-end

Reviewed By: DavidSpickett

Differential Revision: https://reviews.llvm.org/D96381
2021-02-22 12:09:20 +00:00
Dmitry Preobrazhensky 4813518092 [AMDGPU][MC] Corrected bound_ctrl for compatibility with sp3
Enabled "bound_ctrl:1" and disabled "bound_ctrl:-1" syntax.
Corrected printer to output "bound_ctrl:1" instead of "bound_ctrl:0".
See bug 35397 for detailed issue description.

Differential Revision: https://reviews.llvm.org/D97048
2021-02-22 14:59:40 +03:00
LLVM GN Syncbot 7af9ea548c [gn build] Port 7dc7f0c2ec 2021-02-22 11:35:19 +00:00
Balázs Kéri 7dc7f0c2ec [clang-tidy] Add new check 'concurrency-thread-canceltype-asynchronous' and alias 'cert-pos47-c'.
Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D96719
2021-02-22 12:42:20 +01:00
Nashe Mncube 0327cfe2f7 [llvm-link] fix IRMover returning wrong modified vector type
Modified scalable vector types weren't correctly returned at link-time.
The previous behaviour was a FixedVectorType was constructed
when expecting a ScalableVectorType. This commit has added a regression
test which re-creates the failure as well as a fix.

Reviewed By: sdesmalen

Differential Revision: https://reviews.llvm.org/D96953
2021-02-22 11:29:42 +00:00
Stephen Kelly b5b3243bf7 Regenerate documentation 2021-02-22 11:07:45 +00:00
LLVM GN Syncbot ad375ac5d2 [gn build] Port 6e3071007b 2021-02-22 10:35:33 +00:00
Florian Hahn c11fd0df64
[VPlan] Skip VPWidenPHIRecipe in VPInterleavedACcessInfo.
Update unit tests that did not expect VPWidenPHIRecipes after
15a74b64df.
2021-02-22 10:35:09 +00:00
Simon Pilgrim 106b63de3a [InstCombine] Add smulo NumSignBits test from D97170 2021-02-22 10:25:13 +00:00
Andrzej Warzynski d81f633fe2 [flang][driver] Add -Xflang and make -test-io a frontend-only flang
This patch adds support for `-Xflang` in `flang-new`. The semantics are
identical to `-Xclang`.

With the addition of `-Xflang`, we can modify `-test-io` to be a
compiler-frontend only flag. This makes more sense, this flag is:
  * very frontend specific
  * to be used for development and testing only
  * not to be exposed to the end user
Originally we added it to the compiler driver, `flang-new`, in order to
facilitate testing. With `-Xflang` this is no longer needed. Tests are
updated accordingly.

Differential Revision: https://reviews.llvm.org/D96864
2021-02-22 10:11:43 +00:00
David Green 188f15d973 [ARM] Remove dead lowering code. NFC
Remove the unnecessary code from 21a4faab60, left over from
a different way of lowering.
2021-02-22 10:07:53 +00:00
Balazs Benics 38b185832e [analyzer][CTU] API for CTU macro expansions
Removes `CrossTranslationUnitContext::getImportedFromSourceLocation`
Removes the corresponding unit-test segment.

Introduces the `CrossTranslationUnitContext::getMacroExpansionContextForSourceLocation`
which will return the macro expansion context for an imported TU. Also adds a
few implementation FIXME notes where applicable, since this feature is
not implemented yet. This fact is also noted as Doxygen comments.

Uplifts a few CTU LIT test to match the current **incomplete** behavior.

It is a regression to some extent since now we don't expand any
macros in imported TUs. At least we don't crash anymore.

Note that the introduced function is already covered by LIT tests.
Eg.: Analysis/plist-macros-with-expansion-ctu.c

Reviewed By: balazske, Szelethus

Differential Revision: https://reviews.llvm.org/D94673
2021-02-22 11:12:22 +01:00
Balazs Benics 170c67d5b8 [analyzer] Use the MacroExpansionContext for macro expansions in plists
Removes the obsolete ad-hoc macro expansions during bugreport constructions.
It will skip the macro expansion if the expansion happened in an imported TU.

Also removes the expected plist file, while expanding matching context for
the tests.
Adds a previously crashing `plist-macros-with-expansion.c` testfile.
Temporarily marks `plist-macros-with-expansion-ctu.c ` to `XFAIL`.

Reviewed By: xazax.hun, Szelethus

Differential Revision: https://reviews.llvm.org/D93224
2021-02-22 11:12:18 +01:00
Balazs Benics 7c58fb6ba0 [analyzer] Create MacroExpansionContext member in AnalysisConsumer
Adds a `MacroExpansionContext` member to the `AnalysisConsumer` class.
Tracks macro expansions only if the `ShouldDisplayMacroExpansions` is set.
Passes a reference down the pipeline letting AnalysisConsumers query macro
expansions during bugreport construction.

Reviewed By: martong, Szelethus

Differential Revision: https://reviews.llvm.org/D93223
2021-02-22 11:12:14 +01:00
Balazs Benics 6e3071007b [analyzer] Introduce MacroExpansionContext to libAnalysis
Introduce `MacroExpansionContext` to track what and how macros in a translation
unit expand. This is the first element of the patch-stack in this direction.

The main goal is to substitute the current macro expansion generator in the
`PlistsDiagnostics`, but all the other `DiagnosticsConsumer` could benefit from
this.

`getExpandedText` and `getOriginalText` are the primary functions of this class.
The former can provide you the text that was the result of the macro expansion
chain starting from a `SourceLocation`.
While the latter will tell you **what text** was in the original source code
replaced by the macro expansion chain from that location.

Here is an example:

  void bar();
  #define retArg(x) x
  #define retArgUnclosed retArg(bar()
  #define BB CC
  #define applyInt BB(int)
  #define CC(x) retArgUnclosed

  void unbalancedMacros() {
    applyInt  );
  //^~~~~~~~~~^ is the substituted range
  // Original text is "applyInt  )"
  // Expanded text is "bar()"
  }

  #define expandArgUnclosedCommaExpr(x) (x, bar(), 1
  #define f expandArgUnclosedCommaExpr

  void unbalancedMacros2() {
    int x =  f(f(1))  ));  // Look at the parenthesis!
  //         ^~~~~~^ is the substituted range
  // Original text is "f(f(1))"
  // Expanded text is "((1,bar(),1,bar(),1"
  }

Might worth investigating how to provide a reusable component, which could be
used for example by a standalone tool eg. expanding all macros to their
definitions.

I borrowed the main idea from the `PrintPreprocessedOutput.cpp` Frontend
component, providing a `PPCallbacks` instance hooking the preprocessor events.
I'm using that for calculating the source range where tokens will be expanded
to. I'm also using the `Preprocessor`'s `OnToken` callback, via the
`Preprocessor::setTokenWatcher` to reconstruct the expanded text.

Unfortunately, I concatenate the token's string representation without any
whitespaces except if the token is an identifier when I emit an extra space
to produce valid code for `int var` token sequences.
This could be improved later if needed.

Patch-stack:
  1) D93222 (this one) Introduces the MacroExpansionContext class and unittests

  2) D93223 Create MacroExpansionContext member in AnalysisConsumer and pass
     down to the diagnostics consumers

  3) D93224 Use the MacroExpansionContext for macro expansions in plists
     It replaces the 'old' macro expansion mechanism.

  4) D94673 API for CTU macro expansions
     You should be able to get a `MacroExpansionContext` for each imported TU.
     Right now it will just return `llvm::None` as this is not implemented yet.

  5) FIXME: Implement macro expansion tracking for imported TUs as well.

It would also relieve us from bugs like:
  - [fixed] D86135
  - [confirmed] The `__VA_ARGS__` and other macro nitty-gritty, such as how to
    stringify macro parameters, where to put or swallow commas, etc. are not
    handled correctly.
  - [confirmed] Unbalanced parenthesis are not well handled - resulting in
    incorrect expansions or even crashes.
  - [confirmed][crashing] https://bugs.llvm.org/show_bug.cgi?id=48358

Reviewed By: martong, Szelethus

Differential Revision: https://reviews.llvm.org/D93222
2021-02-22 11:11:57 +01:00
Florian Hahn 15a74b64df
[VPlan] Manage pairs of incoming (VPValue, VPBB) in VPWidenPHIRecipe.
This patch extends VPWidenPHIRecipe to manage pairs of incoming
(VPValue, VPBasicBlock) in the VPlan native path. This is made possible
because we now directly manage defined VPValues for recipes.

By keeping both the incoming value and block in the recipe directly,
code-generation in the VPlan native path becomes independent of the
predecessor ordering when fixing up non-induction phis, which currently
can cause crashes in the VPlan native path.

This fixes PR45958.

Reviewed By: sguggill

Differential Revision: https://reviews.llvm.org/D96773
2021-02-22 09:44:25 +00:00
David Green 21a4faab60 [ARM] Move double vector insert patterns using vins to DAG combine
This removes the existing patterns for inserting two lanes into an
f16/i16 vector register using VINS, instead using a DAG combine to
pattern match the same code sequences. The tablegen patterns were
already on the large side (foreach LANE = [0, 2, 4, 6]) and were not
handling all the cases they could. Moving that to a DAG combine, whilst
not less code, allows us to better control and expand the selection of
VINSs. Additionally this allows us to remove the AddedComplexity on
VCVTT.

The extra trick that this has learned in the process is to move two
adjacent lanes using a single f32 vmov, allowing some extra
inefficiencies to be removed.

Differenial Revision: https://reviews.llvm.org/D96876
2021-02-22 09:29:47 +00:00
Andy Wingo 861dbe1a02 [WebAssembly] call_indirect issues table number relocs
If the reference-types feature is enabled, call_indirect will explicitly
reference its corresponding function table via `TABLE_NUMBER`
relocations against a table symbol.

Also, as before, address-taken functions can also cause the function
table to be created, only with reference-types they additionally cause a
symbol table entry to be emitted.

We abuse the used-in-reloc flag on symbols to indicate which tables
should end up in the symbol table.  We do this because unfortunately
older wasm-ld will carp if it see a table symbol.

Differential Revision: https://reviews.llvm.org/D90948
2021-02-22 10:13:36 +01:00
Kadir Cetinkaya f10137399a
[clang][CodeComplete] Ensure there are no crashes when completing with ParenListExprs as LHS
Differential Revision: https://reviews.llvm.org/D96950
2021-02-22 10:01:22 +01:00
Jan Svoboda 820e0c49fc [clang][cli] Pass '-Wspir-compat' to cc1 from driver
This patch moves the creation of the '-Wspir-compat' argument from cc1 to the driver.

Without this change, generating command line arguments from `CompilerInvocation` cannot be done reliably: there's no way to distinguish whether '-Wspir-compat' was passed to cc1 on the command line (should be generated), or if it was created within `CompilerInvocation::CreateFromArgs` (should not be generated).

This is also in line with how other '-W' flags are handled.

(This was introduced in D21567.)

Reviewed By: Anastasia

Differential Revision: https://reviews.llvm.org/D97041
2021-02-22 09:54:44 +01:00
Jan Svoboda bf15697e9b [clang][cli] Stop creating '-Wno-stdlibcxx-not-found' in cc1
This patch stops creating the '-Wno-stdlibcxx-not-found' argument in `CompilerInvocation::CreateFromArgs`.

The code was added in 2e7ab55e65 (a follow-up to D48297). However, D61963 removes relevant tests and starts explicitly passing '-Wno-stdlibcxx-not-found' to the driver. I think it's fair to assume this is a dead code.

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D97042
2021-02-22 09:53:25 +01:00
Tres Popp 5b20d80a03 [mlir] Mark std.subview as NoSideEffect
Differential Revision: https://reviews.llvm.org/D96951
2021-02-22 09:34:38 +01:00
Djordje Todorovic 52113451fb [NFC][llvm-dwarfdump] Don't calculate unnecessary stats
Small optimization of the code -- No need to calculate any stats
for NULL nodes, and also no need to call the collectStatsForDie()
if it is the CU itself.

Differential Revision: https://reviews.llvm.org/D96871
2021-02-22 00:31:29 -08:00
Petr Hosek 97184ab99c [InstrProfiling] Fix instrprof-gc-sections.c test
After D97110 __llvm_prof_cnts has the nobits type so it's empty.
2021-02-21 23:47:18 -08:00
Kern Handa 2d62212b06 [mlir] Export CUDA and Vulkan runtime wrappers on Windows
Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D97140
2021-02-21 22:58:55 -08:00
Amara Emerson 6ff09ce061 [AArch64][GlobalISel] Fix <16 x s8> G_DUP regbankselect to assign source to gpr.
We can only select this type if the source is on GPR, not FPR.
2021-02-21 21:17:29 -08:00
Kazu Hirata ffba9e596d [CodeGen] Use range-based for loops (NFC) 2021-02-21 19:58:07 -08:00
Kazu Hirata 5032b5890b [llvm] Fix header guards (NFC)
Identified with llvm-header-guard.
2021-02-21 19:58:05 -08:00
Kazu Hirata 047fc3bf20 [Analysis] Use ListSeparator (NFC) 2021-02-21 19:58:04 -08:00
Nico Weber 4b34e0c797 Revert "[sanitizers] Pass CMAKE_C_FLAGS into TSan buildgo script"
This reverts commit ac6c13bfc4.
Breaks building with PGO, see https://reviews.llvm.org/D96762#2574009
2021-02-21 22:13:59 -05:00
Jacques Pienaar 04c66edd32 [mlir] Add simple jupyter kernel
Simple jupyter kernel using mlir-opt and reproducer to run passes.
Useful for local experimentation & generating examples. The export to
markdown from here is not immediately useful nor did I define a
CodeMirror synax to make the HTML output prettier. It only supports one
level of history (e.g., `_`) as I was mostly using with expanding a
pipeline one pass at a time and so was all I needed.

I placed this in utils directory next to editor & debugger utils.

Differential Revision: https://reviews.llvm.org/D95742
2021-02-21 18:16:06 -08:00
Petr Hosek 5ca21175e0 [InstrProfiling] Use ELF section groups for counters, data and values
__start_/__stop_ references retain C identifier name sections such as
__llvm_prf_*. Putting these into a section group disables this logic.

The ELF section group semantics ensures that group members are retained
or discarded as a unit. When a function symbol is discarded, this allows
allows linker to discard counters, data and values associated with that
function symbol as well.

Note that `noduplicates` COMDAT is lowered to zero-flag section group in
ELF. We only set this for functions that aren't already in a COMDAT and
for those that don't have available_externally linkage since we already
use regular COMDAT groups for those.

Differential Revision: https://reviews.llvm.org/D96757
2021-02-21 16:13:06 -08:00
Craig Topper 183bbad1d7 [KnownBits][RISCV] Improve known bits for srem.
The result must be less than or equal to the LHS side, so any
leading zeros in the left hand side must also exist in the result.
This is stronger than the previous behavior where we only considered
the sign bit being 0.

The affected test case used the sign bit being known 0 to change
a sign extend to a zero extend pre type legalization. After type
legalization the types were promoted to i64, but we no longer
knew bit 31 was zero. This shifts are are the equivalent of an
AND with 0xffffffff or zext_inreg X, i32. This patch allows us to
see that bit 31 is zero and remove the shifts.

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D97124
2021-02-21 14:48:29 -08:00
Stella Laurenzo 6c9541d4dd Implement simple type polymorphism for linalg named ops.
* It was decided that this was the end of the line for the existing custom tc parser/generator, and this is the first step to replacing it with a declarative format that maps well to mathy source languages.
* One such source language is implemented here: https://github.com/stellaraccident/mlir-linalgpy/blob/main/samples/mm.py
  * In fact, this is the exact source of the declarative `polymorphic_matmul` in this change.
  * I am working separately to clean this python implementation up and add it to MLIR (probably as `mlir.tools.linalg_opgen` or equiv). The scope of the python side is greater than just generating named ops: the ops are callable and directly emit `linalg.generic` ops fully dynamically, and this is intended to be a feature for frontends like npcomp to define custom linear algebra ops at runtime.
* There is more work required to handle full type polymorphism, especially with respect to integer formulations, since they require more specificity wrt types.
* Followups to this change will bring the new generator to feature parity with the current one and delete the current. Roughly, this involves adding support for interface declarations and attribute symbol bindings.

Differential Revision: https://reviews.llvm.org/D97135
2021-02-21 14:30:31 -08:00
Simon Pilgrim b568d3d6c9 [X86] Add vector support to sub(C1, xor(X, C2)) -> add(xor(X, ~C2), C1+1) fold. 2021-02-21 21:51:27 +00:00
Simon Pilgrim 3ab32c94a4 [X86] Replace explicit constant handling in sub(C1, xor(X, C2)) -> add(xor(X, ~C2), C1+1) fold. NFCI.
NFC cleanup before adding vector support - rely on the SelectionDAG to handle everything for us.
2021-02-21 21:40:32 +00:00
Simon Pilgrim e7e35e1758 [X86] Regenerate sub.ll test 2021-02-21 21:25:26 +00:00
Simon Pilgrim 9872cfc5b1 [X86] Add 'sub C1, (xor X, C1) -> add (xor X, ~C2), C1+1' tests
This is also in sub.ll but that's for a specific i686 pattern - this adds x86_64 and vector tests
2021-02-21 21:19:39 +00:00