platform/upstream/llvm.git
15 months agoAdopt Properties to store operations inherent Attributes in the NVGPU dialect
Mehdi Amini [Fri, 21 Apr 2023 06:51:14 +0000 (00:51 -0600)]
Adopt Properties to store operations inherent Attributes in the NVGPU dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148895

15 months agoAdopt Properties to store operations inherent Attributes in the MLProgram dialect
Mehdi Amini [Fri, 21 Apr 2023 06:50:13 +0000 (00:50 -0600)]
Adopt Properties to store operations inherent Attributes in the MLProgram dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148894

15 months agoAdopt Properties to store operations inherent Attributes in the Memref dialect
Mehdi Amini [Fri, 21 Apr 2023 06:45:52 +0000 (00:45 -0600)]
Adopt Properties to store operations inherent Attributes in the Memref dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148893

15 months agoAdopt Properties to store operations inherent Attributes in the Math dialect
Mehdi Amini [Fri, 21 Apr 2023 06:44:38 +0000 (00:44 -0600)]
Adopt Properties to store operations inherent Attributes in the Math dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148892

15 months agoAdopt Properties to store operations inherent Attributes in the IRDL dialect
Mehdi Amini [Fri, 21 Apr 2023 06:42:58 +0000 (00:42 -0600)]
Adopt Properties to store operations inherent Attributes in the IRDL dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148891

15 months agoAdopt Properties to store operations inherent Attributes in the Index dialect
Mehdi Amini [Fri, 21 Apr 2023 06:29:34 +0000 (00:29 -0600)]
Adopt Properties to store operations inherent Attributes in the Index dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148890

15 months ago[clangd] Fix a build failure. NFC
Younan Zhang [Wed, 10 May 2023 00:23:18 +0000 (08:23 +0800)]
[clangd] Fix a build failure. NFC

This is caused by 7385cc389aba.

15 months agoRe-revert "[ValueTracking] Use knownbits interface for determining if `div`/`rem...
Noah Goldstein [Tue, 9 May 2023 23:04:41 +0000 (18:04 -0500)]
Re-revert "[ValueTracking] Use knownbits interface for determining if `div`/`rem` are safe to speculate"

Seems to be causing a bug in CorrelatedValuePropegation. Reverting
while the issue is investigated.

This reverts commit 6c667abf3294d61e4fbe1238e1755c79f7547f1b.

15 months ago[nfc] Remove dead code from ObjectFileMachO
Jason Molenda [Tue, 9 May 2023 23:56:08 +0000 (16:56 -0700)]
[nfc] Remove dead code from ObjectFileMachO

The old way of lldb reading the on-disk shared cache is still in
the sources, but we use dyld SPI to inspect this binary now.  This
code is no longer called.

15 months ago[Driver][test] Exclude `-o /dev/null` test for Windows
Fangrui Song [Tue, 9 May 2023 23:44:15 +0000 (16:44 -0700)]
[Driver][test] Exclude `-o /dev/null` test for Windows

lit changes /dev/null to a special filename, and `"-dumpdir" "/dev/null-"` will fail.

15 months ago[KCFI] Expand the KCFI term in comments (NFC)
Sami Tolvanen [Tue, 9 May 2023 23:13:35 +0000 (23:13 +0000)]
[KCFI] Expand the KCFI term in comments (NFC)

15 months ago[mlir] Remove unused variable 'kCopyFlag' in OpenACCToLLVMIRTranslation.cpp (NFC)
Jie Fu [Tue, 9 May 2023 22:54:22 +0000 (06:54 +0800)]
[mlir] Remove unused variable 'kCopyFlag' in OpenACCToLLVMIRTranslation.cpp (NFC)

/data/llvm-project/mlir/lib/Target/LLVMIR/Dialect/OpenACC/OpenACCToLLVMIRTranslation.cpp:41:27: error: unused variable 'kCopyFlag' [-Werror,-Wunused-const-variable]
static constexpr uint64_t kCopyFlag = kDeviceCopyinFlag | kHostCopyoutFlag;
                          ^
1 error generated.

15 months ago[NFC] Refactor loop metadata movement
Nathan Sidwell [Fri, 5 May 2023 15:58:54 +0000 (11:58 -0400)]
[NFC] Refactor loop metadata movement

* Use 'if (T v = expr)' idiom
* llvm.loop is a fixed metadata ID

Differential Revision: https://reviews.llvm.org/D150109

Reviewed By: kazu

15 months ago[scudo] Change secondary StatsAllocated update
Christopher Ferris [Tue, 9 May 2023 02:12:32 +0000 (19:12 -0700)]
[scudo] Change secondary StatsAllocated update

In the secondary allocation routine, the StatsAllocated stat is
increased by BlockSize. However, in the deallocate routine, the
stat subtract uses CommitSize. CommitSize can be bigger than BlockSize
so this can lead to a negative calculated stat. Since the stats
are not guaranteed to be completely accurate, just add CommitSize
during allocation.

Reviewed By: Chia-hungDuan

Differential Revision: https://reviews.llvm.org/D150169

15 months ago[mlir][gpu] Reduction ops canonicalizatios
Ivan Butygin [Tue, 25 Apr 2023 20:11:23 +0000 (22:11 +0200)]
[mlir][gpu] Reduction ops canonicalizatios

Make group ops uniform if `gpu.launch` is their direct parent.

Differential Revision: https://reviews.llvm.org/D149183

15 months agoRevert "[mlir][python] Allow specifying block arg locations"
Rahul Kayaith [Tue, 9 May 2023 22:01:44 +0000 (18:01 -0400)]
Revert "[mlir][python] Allow specifying block arg locations"

This reverts commit 4d0d295b618edfc937d5bf247f0853df5c70cb96.

This caused a buildbot failure: https://lab.llvm.org/buildbot/#/builders/61/builds/43479

15 months ago[clang-tidy] [test] Narrow down a special case to MSVC mode
Martin Storsjö [Fri, 5 May 2023 11:08:32 +0000 (11:08 +0000)]
[clang-tidy] [test] Narrow down a special case to MSVC mode

For MinGW targets, size_t isn't a compiler defined type, just like
for unix targets.

Differential Revision: https://reviews.llvm.org/D149999

15 months ago[clang] [test] Narrow down MSVC specific behaviours from "any windows" to only MSVC...
Martin Storsjö [Fri, 5 May 2023 10:58:47 +0000 (10:58 +0000)]
[clang] [test] Narrow down MSVC specific behaviours from "any windows" to only MSVC/clang-cl

This fixes running tests with a toolchain that defaults to a MinGW
target.

Differential Revision: https://reviews.llvm.org/D149997

15 months ago[test] [llvm-config] Assume unix style lib names on mingw targets
Martin Storsjö [Fri, 5 May 2023 11:05:26 +0000 (11:05 +0000)]
[test] [llvm-config] Assume unix style lib names on mingw targets

Assume the MSVC style naming only for "windows-msvc" targets.

Differential Revision: https://reviews.llvm.org/D149998

15 months ago[mlir][openacc] Cleanup acc.parallel from old data clause operands
Valentin Clement [Tue, 9 May 2023 21:57:23 +0000 (14:57 -0700)]
[mlir][openacc] Cleanup acc.parallel from old data clause operands

Remove old clause operands from acc.parallel operation since
the new dataOperands is now in place.
private, firstprivate and reductions will receive some redesign but are
not part of the new dataOperands.

Reviewed By: razvanlupusoru

Differential Revision: https://reviews.llvm.org/D150207

15 months ago[gn build] Manually port e9569748de
Arthur Eubanks [Tue, 9 May 2023 21:45:49 +0000 (14:45 -0700)]
[gn build] Manually port e9569748de

15 months ago[Driver] Add -dumpdir and change -gsplit-dwarf .dwo names for linking
Fangrui Song [Tue, 9 May 2023 21:43:46 +0000 (14:43 -0700)]
[Driver] Add -dumpdir and change -gsplit-dwarf .dwo names for linking

When the final phase is linking, Clang currently places `.dwo` files in the
current directory (like the `-c` behavior for multiple inputs).
Strangely, -fdebug-compilation-dir=/-ffile-compilation-dir= is considered, which
is untested.

GCC has a more useful behavior that derives auxiliary filenames from the final
output (-o).
```
gcc -c -g -gsplit-dwarf d/a.c d/b.c      # a.dwo b.dwo
gcc -g -gsplit-dwarf d/a.c d/b.c -o e/x  # e/x-a.dwo e/x-b.dwo
gcc -g -gsplit-dwarf d/a.c d/b.c         # a-a.dwo a-b.dwo
```

Port a useful subset of GCC behaviors that are easy to describe to Clang.

* Add a driver and cc1 option -dumpdir
* When the final phase is link, add a default -dumpdir if not specified by the user
* Forward -dumpdir to -cc1 command lines
* tools::SplitDebugName prefers -dumpdir when constructing the .dwo filename

GCC provides -dumpbase. If we use just one of -dumpdir and -dumpbase,
-dumpbase isn't very useful as it appends a dash.

```
gcc -g -gsplit-dwarf -dumpdir e d/a.c   # ea.dwo
gcc -g -gsplit-dwarf -dumpdir e/ d/a.c  # e/a.dwo
gcc -g -gsplit-dwarf -dumpbase e d/a.c  # e-a.dwo
gcc -g -gsplit-dwarf -dumpbase e/ d/a.c # e/-a.dwo
```

If we specify both `-dumpdir` and `-dumpbase`, we can avoid the influence of the
source filename when there is one input file.
```
gcc -g -gsplit-dwarf -dumpdir f/ -dumpbase x d/a.c        # f/x.dwo
gcc -g -gsplit-dwarf -dumpdir f/ -dumpbase x d/a.c d/b.c  # f/x-a.dwo f/x-b.dwo
```

Given the above examples, I think -dumpbase is not useful.

GCC -save-temps has interesting interaction with -dumpdir as -save-temps
generated files are considered auxiliary files like .dwo files.

For Clang, with this patch, -save-temps and -dumpdir are orthogonal, which is
easier to explain.

```
gcc -g -gsplit-dwarf d/a.c -o e/x -dumpdir f/ -save-temps=obj # e/a.{i,s,o,dwo}
gcc -g -gsplit-dwarf d/a.c -o e/x -save-temps=obj -dumpdir f/ # f/a.{i,s,o,dwo}

clang -g -gsplit-dwarf d/a.c -o e/x -save-temps=obj -dumpdir f/ # e/a.{i,s,o} f/a.dwo
```

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D149193

15 months ago[VPlan] Add printing test with fast-math flags.
Florian Hahn [Tue, 9 May 2023 21:43:03 +0000 (22:43 +0100)]
[VPlan] Add printing test with fast-math flags.

Add missing test coverage for D150029.

15 months ago[clang-format] Put a "trailing" space back in a unit test
Owen Pan [Tue, 9 May 2023 21:32:21 +0000 (14:32 -0700)]
[clang-format] Put a "trailing" space back in a unit test

Put an intentional "trailing" space back in
FormatTestComments.SplitCommentIntroducers. It was removed in
a4c87f8ccacc by mistake.

15 months ago[ARM] ARMMachObjectWriter::recordRelocation: reduce strength on a condition
Alexey Vishnyakov [Tue, 9 May 2023 21:40:43 +0000 (14:40 -0700)]
[ARM] ARMMachObjectWriter::recordRelocation: reduce strength on a condition

Reviewed By: MaskRay, dmgreen

Differential Revision: https://reviews.llvm.org/D147931

15 months ago[flang][openacc] Fix lowerbound when there is no subscripts
Valentin Clement [Tue, 9 May 2023 21:27:08 +0000 (14:27 -0700)]
[flang][openacc] Fix lowerbound when there is no subscripts

The lowerbound was not correctly normalized to 0 when the bound
are generated for an array without subscripts.

```
integer :: a(11:20)
!$acc enter data create(a)
```

Reviewed By: razvanlupusoru

Differential Revision: https://reviews.llvm.org/D150208

15 months ago[FuzzMutate] Module size heuristics
Zhenkai Weng [Fri, 5 May 2023 22:43:58 +0000 (15:43 -0700)]
[FuzzMutate] Module size heuristics

IRMutation::mutateModule() currently requires the bitcode size of the module.
To compute the bitcode size, one way is to write the module to a buffer using
BitcodeWriter and calculating the buffer size. This would be fine for a single
mutation, but infeasible for repeated mutations due to the large overhead. It
turns out that the only IR strategy weight calculation method that depends on
the current module size is InstDeleterStrategy, which deletes instructions more
frequently as the module size approaches a given max size. However, there is no
real need for the size to be in bytes of bitcode, so we can use a different
metric. One alternative is to let the size be the number of objects in the
Module, including instructions, basic blocks, globals, and aliases. Although
getting the number of instructions is still O(n), it should have significantly
less overhead than BitcodeWriter. This suggestion would cause a change to the
IRMutator API, since IRMutator::mutateModule() can calculate the Module size
itself.

Reviewed By: Peter

Differential Revision: https://reviews.llvm.org/D149989

15 months ago[lldb][NFCI] Remove custom dwarf LEB128 types
Alex Langford [Tue, 9 May 2023 19:51:10 +0000 (12:51 -0700)]
[lldb][NFCI] Remove custom dwarf LEB128 types

The LEB128 type defined by the DWARF standard is explicitly a variable-length
encoding of an integer. LLDB had defined `uleb128` and `sleb128` types
to be 32-bit  but in many places in both LLVM and LLDB we treat the maximum
width of LEB128 types to be 64, so let's remove these types and be
consistent.

Differential Revision: https://reviews.llvm.org/D150222

15 months ago[flang] Added missing type cast for the implied-do index.
Slava Zakharin [Tue, 9 May 2023 15:41:03 +0000 (08:41 -0700)]
[flang] Added missing type cast for the implied-do index.

The implied-do index value has 'index' type, and it has to be
converted to the original ac-do-variable's data type.

Reviewed By: jeanPerier

Differential Revision: https://reviews.llvm.org/D150150

15 months ago[flang][hlfir] Allow passing null() to dummy class argument.
Slava Zakharin [Tue, 9 May 2023 02:34:21 +0000 (19:34 -0700)]
[flang][hlfir] Allow passing null() to dummy class argument.

15 months agoPrologEpilogInserter: Fix -Wunused-variable in -DLLVM_ENABLE_ASSERTIONS=off builds
Fangrui Song [Tue, 9 May 2023 20:23:58 +0000 (13:23 -0700)]
PrologEpilogInserter: Fix -Wunused-variable in -DLLVM_ENABLE_ASSERTIONS=off builds

15 months ago[mlir][openacc] Cleanup acc.data from old data clause operands
Valentin Clement [Tue, 9 May 2023 20:21:16 +0000 (13:21 -0700)]
[mlir][openacc] Cleanup acc.data from old data clause operands

Since the new data operand operations have been added in D148389 and
adopted on acc.data in D149673, the old clause operands are no longer
needed.

The LegalizeDataOpForLLVMTranslation will become obsolete when all
operations will be cleaned. For the time being only the appropriate
part are being removed.

processOperands will also receive some updates once all the operands
will be coming from an acc data operand operation.

Reviewed By: razvanlupusoru

Differential Revision: https://reviews.llvm.org/D150155

15 months agoFurther amend 945f6e65be0d20b3446e7c1537c64151de618af4
Aaron Ballman [Tue, 9 May 2023 20:16:07 +0000 (16:16 -0400)]
Further amend 945f6e65be0d20b3446e7c1537c64151de618af4

This addresses the ARM issue found by:
https://lab.llvm.org/buildbot/#/builders/109/builds/63726

(This test wouldn't run for me locally, hence missing it in the last fix.)

15 months agoFix test failure from 945f6e65be0d20b3446e7c1537c64151de618af4
Aaron Ballman [Tue, 9 May 2023 20:08:41 +0000 (16:08 -0400)]
Fix test failure from 945f6e65be0d20b3446e7c1537c64151de618af4

It seems we were testing the behavior of the debug messages!

15 months ago[clang] Prevent creation of new submodules in ASTWriter
Ben Langmuir [Mon, 8 May 2023 22:59:51 +0000 (15:59 -0700)]
[clang] Prevent creation of new submodules in ASTWriter

Avoid inferring new submodules for headers in ASTWriter's collection of
affecting modulemap files, since we don't want to pick up dependencies
that didn't actually exist during parsing.

rdar://109112624

Differential Revision: https://reviews.llvm.org/D150151

15 months agoRevert "[flang][openacc] Fix lowerbound when there is no subscripts"
Valentin Clement [Tue, 9 May 2023 19:59:14 +0000 (12:59 -0700)]
Revert "[flang][openacc] Fix lowerbound when there is no subscripts"

This reverts commit 626aa8518d873c5760cd033fe49b1809c9de3494.

15 months agoWrap debug code with the LLVM_DEBUG macro; NFC
Aaron Ballman [Tue, 9 May 2023 19:53:24 +0000 (15:53 -0400)]
Wrap debug code with the LLVM_DEBUG macro; NFC

While investigating a bug in Clang, I noticed that -Wframe-larger-than
was emitting extra debug information along with the diagnostic. It
turns out that 2e1e2f52f357768186ecfcc5ac53d5fa53d1b094 fixed an issue
with the diagnostic, but accidentally left in some debug code that was
exposed in all builds.

So now we no longer emit things like:
8/4294967304 (0.00%) spills, 4294967296/4294967304 (100.00%) variables
along with the diagnostic

15 months agoFix LLVM sphinx build
Aaron Ballman [Tue, 9 May 2023 19:28:02 +0000 (15:28 -0400)]
Fix LLVM sphinx build

This addresses the issues found by:
https://lab.llvm.org/buildbot/#/builders/30/builds/34937

15 months ago[flang][openacc] Fix lowerbound when there is no subscripts
Valentin Clement [Tue, 9 May 2023 19:21:44 +0000 (12:21 -0700)]
[flang][openacc] Fix lowerbound when there is no subscripts

The lowerbound was not correctly normalized to 0 when the bound
are generated for an array without subscripts.

```
integer :: a(11:20)
!$acc enter data create(a)
```

Reviewed By: razvanlupusoru

Differential Revision: https://reviews.llvm.org/D150208

15 months ago[CodeGen][KCFI] Move cfi-type lowering to TargetLowering
Sami Tolvanen [Tue, 9 May 2023 16:51:52 +0000 (16:51 +0000)]
[CodeGen][KCFI] Move cfi-type lowering to TargetLowering

KCFI machine function passes transform indirect calls with a
cfi-type attribute into architecture-specific type checks bundled
together with the calls. Instead of having a separate pass for each
architecture, add a generic machine function pass for KCFI and
move the architecture-specific code that emits the actual check to
TargetLowering. This avoids unnecessary duplication and makes it
easier to add KCFI support to other architectures.

Reviewed By: nickdesaulniers

Differential Revision: https://reviews.llvm.org/D149915

15 months ago[BOLT][DWARF][NFC] Fixed an assertion check
Alexander Yermolovich [Tue, 9 May 2023 18:37:13 +0000 (11:37 -0700)]
[BOLT][DWARF][NFC] Fixed an assertion check

Spotted this one while working on new DWARF Rewriter. We were using wrong check
in assertion.

Reviewed By: Amir

Differential Revision: https://reviews.llvm.org/D150167

15 months ago[mlir][openacc] Cleanup acc.exit_data from old data clause operands
Valentin Clement [Tue, 9 May 2023 18:36:28 +0000 (11:36 -0700)]
[mlir][openacc] Cleanup acc.exit_data from old data clause operands

Since the new data operand operations have been added in D148389 and
adopted on acc.exit_data in D149601, the old clause operands are no longer
needed.

The LegalizeDataOpForLLVMTranslation will become obsolete when all
operations will be cleaned. For the time being only the appropriate
part are being removed.

processOperands will also receive some updates once all the operands
will be coming from an acc data operand operation.

Reviewed By: jeanPerier

Differential Revision: https://reviews.llvm.org/D150145

15 months ago[Clang][Sema] Fix comparison of constraint expressions
Alexander Shaposhnikov [Tue, 9 May 2023 18:14:39 +0000 (18:14 +0000)]
[Clang][Sema] Fix comparison of constraint expressions

This diff switches the approach to comparison of constraint expressions
to the new one based on template args substitution.
It continues the effort to fix our handling of out-of-line definitions
of constrained templates.
This is a recommit of 3a54022934.

Differential revision: https://reviews.llvm.org/D146178

15 months agoDo not link asan_rtl_x86_64.S for non x86_64 platforms.
Casey Smalley [Tue, 9 May 2023 18:10:54 +0000 (20:10 +0200)]
Do not link asan_rtl_x86_64.S for non x86_64 platforms.

Do not link asan_rtl_x86_64.S for non x86_64 platforms.

Prior to this CL asan_rtl_x86_64.S would be always be linked when
building compiler-rt for non x86_64 platforms, this normally isn't an
issue since at that link time is an empty file anyway.

When attempting to link a Aarch64 program with branch protection enabled
with the address sanitizer.

E.g.
```
clang --target=aarch64 \
      -fsanitize=address \
      -mbranch-protection=standard \
      -Wl,-z,force-bti
      -o test \
      test.cc
```

Results in the linking error from the sections generated from the empty
asan_rtl_x86_64.S owed to missing a .note.gnu.property

Also see [[ https://bugs.chromium.org/p/chromium/issues/detail?id=1427165 | https://bugs.chromium.org/p/chromium/issues/detail?id=1427165 ]]

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D149957

15 months ago[M68k] Register MIR Passes with the PassRegistry
Min-Yih Hsu [Tue, 9 May 2023 17:54:57 +0000 (10:54 -0700)]
[M68k] Register MIR Passes with the PassRegistry

In order to use the -stop-before/after infrastructure. Also remove the
creator function for M68kConvertMOVToMOVMPass, which has never been
created.

NFC.

15 months ago[lldb] Simplify Log::PutString (NFC)
Dave Lee [Mon, 8 May 2023 23:51:01 +0000 (16:51 -0700)]
[lldb] Simplify Log::PutString (NFC)

* As no format string is involved, avoid unecessary call into `Printf`
* Eliminate creation of a `std::string` to print a `StringRef`

Differential Revision: https://reviews.llvm.org/D150160

15 months agoRevert "[AggressiveInstCombine] folding load for constant global patterened arrays...
Jordan Rupprecht [Tue, 9 May 2023 17:38:46 +0000 (10:38 -0700)]
Revert "[AggressiveInstCombine] folding load for constant global patterened arrays and structs by GEP-indices Differential Revision: https://reviews.llvm.org/D146622 Fixes https://github.com/llvm/llvm-project/issues/61615"

This reverts commit 0574a4be879e07b48ba9be8d63eebba49a04dfe8. It causes a compiler crash due to a div by zero.

15 months ago[AArch64] Remove global constructors from AArch64Disassembler.cpp.
Craig Topper [Tue, 9 May 2023 17:37:20 +0000 (10:37 -0700)]
[AArch64] Remove global constructors from AArch64Disassembler.cpp.

Instead of using SmallVectors of SmallVectors, use a plain array.

Reviewed By: c-rhodes

Differential Revision: https://reviews.llvm.org/D150077

15 months ago[flang][openacc] Lower self clause on acc update as host clause
Valentin Clement [Tue, 9 May 2023 17:29:41 +0000 (10:29 -0700)]
[flang][openacc] Lower self clause on acc update as host clause

Self clause is the same same as the host clause. Lower it
in a simmilar way.

Reviewed By: razvanlupusoru

Differential Revision: https://reviews.llvm.org/D150174

15 months ago[clang] Fix initializer_list matching failures with modules
Alan Zhao [Fri, 5 May 2023 21:50:36 +0000 (14:50 -0700)]
[clang] Fix initializer_list matching failures with modules

Previously, if a class with a defined public virtual destructor is
declared before including <initializer_list> and initializer_list is
provided via a Clang module, then overload resolution would fail for
std::initializer_list. This is because when Clang sees the virtual
destructor, Clang creates an implicit NamespaceDecl for std to
implicitly declare a std::bad_alloc. That NamespaceDecl is not added to
the translation unit's lookup table, so when the module containing
std::initializer_list is imported later, that module's std NamespaceDecl
can't find the previous std NamespaceDecl during redeclaration lookup,
causing overload resolution to fail.

To fix this, implicitly created std NamespaceDecls are now added to the
lookup map. At the same time, their IdentifierNamespace members are
cleared to prevent regular name lookups from finding it.

Fixes 60929

Reviewed By: ChuanqiXu, #clang-language-wg, inclyc

Differential Revision: https://reviews.llvm.org/D150001

15 months ago[clang][deps] Teach dep directive scanner about _Pragma
Ben Langmuir [Thu, 4 May 2023 16:12:52 +0000 (09:12 -0700)]
[clang][deps] Teach dep directive scanner about _Pragma

While we cannot handle `_Pragma` used inside macros, we can handle
this at the top level, and it some projects use the `_Pragma("once")`
spelling like that, which was causing spurious failures in the scanner.

Limitations
* Cannot handle #define ONCE _Pragma("once"), same issue as using
  @import in a macro -- ideally we should diagnose this in obvious cases
* Our LangOpts are currently fixed, so we are not handling u"" strings
  or R"()" strings that require C11/C++11.

rdar://108629982

Differential Revision: https://reviews.llvm.org/D149884

15 months ago[lldb] Simplify predicates of find_if in BroadcastManager
Alex Langford [Tue, 9 May 2023 01:29:38 +0000 (18:29 -0700)]
[lldb] Simplify predicates of find_if in BroadcastManager

We had some custom classes that were used as the predicate for
`std::find_if`. It would be a lot simpler if we used lambdas instead.

Differential Revision: https://reviews.llvm.org/D150168

15 months ago[OpenMP][libomptarget] Init device when printing device info
Kevin Sala [Tue, 9 May 2023 14:03:21 +0000 (16:03 +0200)]
[OpenMP][libomptarget] Init device when printing device info

This patch fixes the printing of device information. Devices are initialized
before printing its information. Fixes #61392

Differential Revision: https://reviews.llvm.org/D146081

15 months ago[clang-tidy] Fix bugprone-assert-side-effect to actually give warnings
Carlos Galvez [Sun, 7 May 2023 17:08:33 +0000 (17:08 +0000)]
[clang-tidy] Fix bugprone-assert-side-effect to actually give warnings

Some time ago a patch was merged to disable all clang-tidy warnings
from system macros. This led to bugprone-assert-side-effect
silently no longer working, since the warnings came from a system
macro. The problem was not detected because the fake assert functions
were implemented in the same file as the test, instead of being a
system include like it's done in the real world.

Move the assert to a proper system header, and fix the code to
warn at the correct location.

This patch is breakdown from https://reviews.llvm.org/D147081
by PiotrZSL.

Fixes https://github.com/llvm/llvm-project/issues/62314

Differential Revision: https://reviews.llvm.org/D150071

15 months ago[mlir][python] Allow specifying block arg locations
Rahul Kayaith [Mon, 8 May 2023 03:56:04 +0000 (23:56 -0400)]
[mlir][python] Allow specifying block arg locations

Currently blocks are always created with UnknownLoc's for their arguments. This
adds an `arg_locs` argument to all block creation APIs, which takes an optional
sequence of locations to use, one per block argument. If no locations are
supplied, the current Location context is used.

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D150084

15 months ago[flang] Ensure pointer components are always established
Jean Perier [Tue, 9 May 2023 16:22:55 +0000 (18:22 +0200)]
[flang] Ensure pointer components are always established

Follow up of https://reviews.llvm.org/D149979 for lowering.

In Fortran, it is possible to assign a pointer to another pointer
with an undefined association status.
When using the runtime do to none trivial pointer association, if the
descriptor are garbage, the runtime cannot safely detect that it has
a garbage descriptor, and it cannot safely know the descriptor size
leading to undefined behavior.
Another reason to initialize descriptor of pointers is to record any
non deferred length parameter value.
Hence, although this is not required by Fortran, f18 always initialize
pointers to NULL().
This was already done in lowering for whole pointer object, but not for
pointer components.

This patch uses the related semantics patch that updated
derivedTypeSpe::HasDefaultInitialization to ensure pointer components
of local and global object are always initialized.

It adds tests to ensure that allocation of such derived type uses the
runtime to ensure the storage is initialized, and that structure
constructors are setting the descriptor component to NULL() if no
initial target is given.

Differential Revision: https://reviews.llvm.org/D150180

15 months ago[mlir][openacc] Cleanup acc.enter_data from old data clause operands
Valentin Clement [Tue, 9 May 2023 16:00:36 +0000 (09:00 -0700)]
[mlir][openacc] Cleanup acc.enter_data from old data clause operands

Since the new data operand operations have been added in D148389 and
adopted on acc.enter_data in D148721, the old clause operands are no longer
needed.

The LegalizeDataOpForLLVMTranslation will become obsolete when all
operations will be cleaned. For the time being only the appropriate
part are being removed.

processOperands will also receive some updates once all the operands
will be coming from an acc data operand operation.

Reviewed By: jeanPerier

Differential Revision: https://reviews.llvm.org/D150132

15 months ago[flang][openacc] Lower if_present clause correctly on acc update
Valentin Clement [Tue, 9 May 2023 15:58:59 +0000 (08:58 -0700)]
[flang][openacc] Lower if_present clause correctly on acc update

The `if_present` clause is modeled as an attribute on the
acc.update operation. The lowering was not adding correctly the attribute
when the clause was present. This patch update the lowering to add
the attribute when needed.

Reviewed By: razvanlupusoru

Differential Revision: https://reviews.llvm.org/D150171

15 months agolibclc: clspv: fix fma, add vstore and fix inlining issues
Kévin Petit [Tue, 9 May 2023 15:52:13 +0000 (16:52 +0100)]
libclc: clspv: fix fma, add vstore and fix inlining issues

https://reviews.llvm.org/D147773

Patch by Romaric Jodin <rjodin@google.com>

15 months ago[HIP] Detect HIP for Ubuntu, Mint, Gentoo, etc.
Cordell Bloor [Tue, 9 May 2023 13:46:48 +0000 (09:46 -0400)]
[HIP] Detect HIP for Ubuntu, Mint, Gentoo, etc.

HIP may be installed into /usr or /usr/local on a variety of Linux
operating systems. It may become unwieldy to list them all.

Reviewed by: Siu Chi Chan, Yaxun Liu

Differential Revision: https://reviews.llvm.org/D149110

15 months ago[NFC][AMDGPU] Add option to test.
Thomas Symalla [Tue, 9 May 2023 15:24:00 +0000 (17:24 +0200)]
[NFC][AMDGPU] Add option to test.

15 months ago[IRGen] Change annotation metadata to support inserting tuple of strings into annotat...
Zain Jaffal [Tue, 9 May 2023 14:15:13 +0000 (17:15 +0300)]
[IRGen] Change annotation metadata to support inserting tuple of strings into annotation metadata array.

Annotation metadata supports adding singular annotation strings to annotation block. This patch adds the ability to insert a tuple of strings into the metadata array.

The idea here is that each tuple of strings represents a piece of information that can be all related. It makes it easier to parse through related metadata information given it will be contained in one tuple.
For example in remarks any pass that implements annotation remarks can have different type of remarks and pass additional information for each.

The original behaviour of annotation remarks is preserved here and we can mix tuple annotations and single annotations for the same instruction.

Reviewed By: paquette

Differential Revision: https://reviews.llvm.org/D148328

15 months ago[AggressiveInstCombine] folding load for constant global patterened arrays and struct...
khei4 [Fri, 24 Mar 2023 09:48:30 +0000 (18:48 +0900)]
[AggressiveInstCombine] folding load for constant global patterened arrays and structs by GEP-indices Differential Revision: https://reviews.llvm.org/D146622 Fixes https://github.com/llvm/llvm-project/issues/61615

15 months ago[VPlan] Address missed suggestions from D149082.
Florian Hahn [Tue, 9 May 2023 14:17:20 +0000 (15:17 +0100)]
[VPlan] Address missed suggestions from D149082.

This address 2 comments missed from D149082. It sets inbounds directly
when creating the GEP and fixes the order in the enum.

15 months ago[mlir][mem2reg] Add mem2reg rewrite pattern.
Théo Degioanni [Tue, 9 May 2023 14:01:31 +0000 (14:01 +0000)]
[mlir][mem2reg] Add mem2reg rewrite pattern.

This revision introduces the ability to invoke mem2reg as a rewrite pattern. This also modified the canonical mem2reg pass to use the rewrite pattern approach.

Depends on D149825

Reviewed By: gysit

Differential Revision: https://reviews.llvm.org/D149958

15 months agoAdopt Properties to store operations inherent Attributes in the GPU dialect
Mehdi Amini [Fri, 21 Apr 2023 06:28:39 +0000 (00:28 -0600)]
Adopt Properties to store operations inherent Attributes in the GPU dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148889

15 months agoAdopt Properties to store operations inherent Attributes in the EmitC dialect
Mehdi Amini [Fri, 21 Apr 2023 06:27:39 +0000 (00:27 -0600)]
Adopt Properties to store operations inherent Attributes in the EmitC dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148888

15 months agoAdopt Properties to store operations inherent Attributes in the DLTI dialect
Mehdi Amini [Fri, 21 Apr 2023 06:26:54 +0000 (00:26 -0600)]
Adopt Properties to store operations inherent Attributes in the DLTI dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148887

15 months agoAdopt Properties to store operations inherent Attributes in the ControlFlow dialect
Mehdi Amini [Fri, 21 Apr 2023 06:26:00 +0000 (00:26 -0600)]
Adopt Properties to store operations inherent Attributes in the ControlFlow dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148886

15 months agoAdopt Properties to store operations inherent Attributes in the Complex dialect
Mehdi Amini [Fri, 21 Apr 2023 06:24:10 +0000 (00:24 -0600)]
Adopt Properties to store operations inherent Attributes in the Complex dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148885

15 months agoAdopt Properties to store operations inherent Attributes in the Bufferization dialect
Mehdi Amini [Fri, 21 Apr 2023 06:23:18 +0000 (00:23 -0600)]
Adopt Properties to store operations inherent Attributes in the Bufferization dialect

This is part of an on-going migration to adopt Properties inside MLIR.

Differential Revision: https://reviews.llvm.org/D148884

15 months ago[OpenMP][libomptarget] Improve device info printing in NextGen plugins
Kevin Sala [Wed, 12 Apr 2023 20:02:23 +0000 (22:02 +0200)]
[OpenMP][libomptarget] Improve device info printing in NextGen plugins

This patch improves the device info printing in the NextGen plugins. The device
info properties are composed of keys, values and units (if necessary). These
properties are pushed into a queue by each vendor-specifc plugin, and later,
these properties are printed processed and printed by the common Plugin
Interface. The printing format is common across the different plugins.

Differential Revision: https://reviews.llvm.org/D148178

15 months ago[libc++] Add assertions for potential OOB reads in std::sort
Louis Dionne [Tue, 28 Mar 2023 17:10:25 +0000 (13:10 -0400)]
[libc++] Add assertions for potential OOB reads in std::sort

We introduced an optimization to std::sort in 4eddbf9f10a6. However,
that optimization led to issues where users that were passing invalid
comparators to std::sort could start seeing OOB reads. This led to
the revert of the std::sort optimization from the LLVM 16 release
(see https://llvm.org/D146421).

This patch introduces _LIBCPP_ASSERTs to the places in the algorithm
where we make an assumption that the comparator will be consistent and
hence avoid a bounds check based on that. If the comparator happens not
to be consistent with itself, these are the places where we would
incorrectly go out of bounds. This allows users that enable libc++
assertions to catch such misuse at the cost of basically a bounds
check. For users that do not enable libc++ assertions (which is 99.9%
of users since assertions are off by default), this is basically a
no-op, and in fact the assertion will turn into a __builtin_assume,
making it explicit to the compiler that it can rely on the fact that
we're not going out of bounds.

I think this patch strikes the right balance. Folks that want absolute
performance will get what they want, since it is a precondition for the
comparator to be consistent, so the bounds checks are technically not
mandatory. Folks who want more safety *already* need to be enabling
libc++ assertions to catch other types of bugs (like operator[] OOB),
so this solution should also work for them.

I do think we have a lot of work towards popularizing the use of libc++
assertions and integrating it better so that users don't have to know
about the obscure _LIBCPP_ENABLE_ASSERTIONS macro to enable them, but
that's a separate concern.

rdar://106897934

Differential Revision: https://reviews.llvm.org/D147089

15 months ago[clangd][NFX][FIX] Fix conflicting symbol name `Expr`
Joseph Huber [Tue, 9 May 2023 12:56:33 +0000 (07:56 -0500)]
[clangd][NFX][FIX] Fix conflicting symbol name `Expr`

Summary:
This class has a member named `Expr` which conflicts with the clang type
of the same name due to the namespace. If we want to do this we need to
explicitly scope the variable. This was preventing me from building.
This was introduced in https://reviews.llvm.org/D148457

15 months ago[NFC][AMDGPU] Pre-commit test.
Thomas Symalla [Tue, 9 May 2023 12:53:44 +0000 (14:53 +0200)]
[NFC][AMDGPU] Pre-commit test.

Pre-commit fold-fabs.ll.

15 months ago[libc++] Provide an assignment operator from pair<U, V> in C++03
Louis Dionne [Mon, 8 May 2023 13:50:57 +0000 (09:50 -0400)]
[libc++] Provide an assignment operator from pair<U, V> in C++03

This adds an extension to std::pair in C++03 mode where we provide an
assignment operator from a pair<U, V>. Previously, any code trying to
trigger such an assignment operator would have tried using the
`operator=(pair const&)` copy assignment operator, which would then
have tried creating a `pair const&` by using the unconstrained
pair<U, V> constructor.

After this patch, pair will instead go through operator= directly if
its member types are assignable. If they are not assignable, the extension
operator= is disabled with SFINAE and the pair(pair<U, V>) constructor
will be used. Since that constructor is unconstrained, that will either
work or give a hard error.

This should be pretty transparent to users, but this is technically a
behavior change in C++03. Indeed, if a type has both a valid cross-type
assignment operator *and* a valid cross-type constructor, the library
will now prefer the cross-type assignment instead of going through the
cross-type constructor and then using the copy-constructor. Since this
is the mandated behavior in C++11, however, one could argue that any user
broken by that needs to change their code.

The motivation for this change is to allow simplifying the definition
of std::map's value_type, which requires handling assignment to a pair
of references properly. This patch will allow removing complexity from
https://llvm.org/D121485 instead of adding complexity in that patch.

Differential Revision: https://reviews.llvm.org/D150119

15 months ago[PartialInlining] Fix incorrect costing when IR has unreachable BBs
Vedant Paranjape [Tue, 9 May 2023 11:56:48 +0000 (11:56 +0000)]
[PartialInlining] Fix incorrect costing when IR has unreachable BBs

Partial Inlining identifies basic blocks that can be outlined into a
function. It is possible that an unreachable basic block is marked for
outlining. During costing of the outlined region, such unreachable basic
blocks are included as well. However, the CodeExtractor eliminates such
unreachable basic blocks and emits outlined function without them.

Thus, during costing of the outlined function, it is possible that the
cost of the outlined function comes out to be lesser than the cost of
outlined region, which triggers an assert.

Assertion `OutlinedFunctionCost >= Cloner.OutlinedRegionCost && "Outlined
function cost should be no less than the outlined region"' failed.

This patch adds code to eliminate unreachable blocks from the function
body before passing it on to be inlined. It also adds a test that checks
for behaviour of costing in case of unreachable basic blocks.

Discussion: https://discourse.llvm.org/t/incorrect-costing-in-partialinliner-if-ir-has-unreachable-basic-blocks/70163

Reviewed By: fhahn

Differential Revision: https://reviews.llvm.org/D149130

15 months ago[VPlan] Use VPRecipeWithIRFlags for VPWidenGEPRecipe (NFCI).
Florian Hahn [Tue, 9 May 2023 11:33:14 +0000 (12:33 +0100)]
[VPlan] Use VPRecipeWithIRFlags for VPWidenGEPRecipe (NFCI).

Extend VPRecipeWithIRFlags to also include InBounds and use for VPWidenGEPRecipe.

The last remaining recipe that needs updating for
MayGeneratePoisonRecipes is VPReplicateRecipe.

Depends on D149081.

Reviewed By: Ayal

Differential Revision: https://reviews.llvm.org/D149082

15 months ago[FuncSpec][NFC] Rename cryptic variable to better describe it.
Alexandros Lamprineas [Tue, 9 May 2023 10:46:53 +0000 (11:46 +0100)]
[FuncSpec][NFC] Rename cryptic variable to better describe it.

UM -> UniqueSpecs

Brought up on the review of D145379. Committing it seperately for now
since the Cost model improvements need rethink.

15 months ago[tidy][IdentifierNaming] Fix crashes on non-identifiers
Kadir Cetinkaya [Tue, 9 May 2023 09:30:07 +0000 (11:30 +0200)]
[tidy][IdentifierNaming] Fix crashes on non-identifiers

Differential Revision: https://reviews.llvm.org/D150187

15 months ago[clangd] Support macro evaluation on hover
Younan Zhang [Sun, 16 Apr 2023 07:35:04 +0000 (15:35 +0800)]
[clangd] Support macro evaluation on hover

Creating a SelectionTree at the location where macro expands allows
us to obtain the associated expression, which might then be used to
evaluate compile-time values if possible.

Closes clangd/clangd#1595.

Reviewed By: nridge

Differential Revision: https://reviews.llvm.org/D148457

15 months ago[FuncSpec][NFC] Add an alias for InstructionCost.
Alexandros Lamprineas [Tue, 9 May 2023 10:09:49 +0000 (11:09 +0100)]
[FuncSpec][NFC] Add an alias for InstructionCost.

Split from D145379. I'll rethink the Cost model improvements and
commit separately.

15 months ago[C++20] [Modules] Handle modules visible relationship properly
Chuanqi Xu [Tue, 9 May 2023 09:51:32 +0000 (17:51 +0800)]
[C++20] [Modules] Handle modules visible relationship properly

Close https://github.com/llvm/llvm-project/issues/62589.

Previously, for global module fragments, we will justify if it is
visible by the visibility of their top level parents. But this is an
overkill, it is problematic if we have a deduction guide in the global
module fragments. See the attached test for example. In this example, we
will mark the global module fragments as visible, but our old strategy
will miss the case surprisingly due to we will only search for the top
level modules.

15 months ago[bazel] Port BUILD rules for 92cc30aca78703174e89880aca85e5a5ff41cc98.
Benjamin Chetioui [Tue, 9 May 2023 10:21:07 +0000 (10:21 +0000)]
[bazel] Port BUILD rules for 92cc30aca78703174e89880aca85e5a5ff41cc98.

15 months ago[Sema] Lambdas are not part of immediate context for deduction
Ilya Biryukov [Tue, 9 May 2023 10:06:32 +0000 (12:06 +0200)]
[Sema] Lambdas are not part of immediate context for deduction

This commit implements [temp.deduct]p9.
Test updates include:
- New notes in `cxx1y-init-captures.cpp`, `lambda-expressions.cpp`
  and 'warn-unused-lambda-capture.cpp'.
  This seems to be caused by diagnosing errors earlier (during
  deduction) that were previously surfaced later (during
  instantiation).
- New error `lambda-unevaluated.cpp` is in line with [temp.deduct]p9.

Reviewed By: erichkeane, #clang-language-wg

Differential Revision: https://reviews.llvm.org/D148802

15 months ago[mlir][transform] SplitHandleOp: add additional distribution options
Matthias Springer [Tue, 9 May 2023 09:37:13 +0000 (11:37 +0200)]
[mlir][transform] SplitHandleOp: add additional distribution options

Add options to handle cases where there are not enough or too many payload ops mapped to the given handle.

Differential Revision: https://reviews.llvm.org/D149955

15 months agoReland "[mlir][mem2reg] Expose algorithm internals."
Théo Degioanni [Tue, 9 May 2023 09:01:33 +0000 (09:01 +0000)]
Reland "[mlir][mem2reg] Expose algorithm internals."

This patch refactors the Mem2Reg infrastructure. It decouples
analysis from promotion, allowing for more control over the execution of
the logic. It also adjusts the interfaces to be less coupled to mem2reg
and more general. This will be useful for an upcoming revision
introducing generic SROA.

This commit reverts f333977eb20a and relands 91cff8a71872.

The original commit was reverted accidentally due to a misinterpretation
of a bazel build bot failure.

Reviewed By: gysit

Differential Revision: https://reviews.llvm.org/D149825

15 months ago[mlir] Fix missing dep on MLIRX86VectorTransforms
Jacques Pienaar [Tue, 9 May 2023 09:08:39 +0000 (02:08 -0700)]
[mlir] Fix missing dep on MLIRX86VectorTransforms

15 months agofix stack probe lowering for x86_intrcc
Tom Dohrmann [Tue, 9 May 2023 06:06:30 +0000 (14:06 +0800)]
fix stack probe lowering for x86_intrcc

The x86_intrcc calling convention will build two STACKALLOC_W_PROBING machine instructions if the function takes an error code. This is caused by an additional call to emitSPUpdate in llvm/lib/Target/X86/X86FrameLowering.cpp:1650. Previously only the first STACKALLOC_W_PROBING machine instruction was properly handled, the second one was simply ignored. This lead to miscompilations where the stack pointer wasn't properly updated (see https://github.com/rust-lang/rust/issues/109918). This patch fixes this by handling all STACKALLOC_W_PROBING machine instructions.

To be honest I don't quite understand why this didn't lead to more noticeable miscompilations previously.

This is my first time contributing to LLVM.

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D150033

15 months ago[clang] Evaluate non-type default template argument when it is required
Mariya Podchishchaeva [Tue, 9 May 2023 07:43:59 +0000 (03:43 -0400)]
[clang] Evaluate non-type default template argument when it is required

Before this change a default template argument for a non-type template
parameter was evaluated and checked immediately after it is met by
parser. In some cases it is too early.

Fixes https://github.com/llvm/llvm-project/issues/62224
Fixes https://github.com/llvm/llvm-project/issues/62596

Reviewed By: shafik, erichkeane, cor3ntin

Differential Revision: https://reviews.llvm.org/D150108

15 months ago[CodeGen] Only consider innermost cast for !heapallocsite
Nikita Popov [Fri, 10 Mar 2023 14:01:31 +0000 (15:01 +0100)]
[CodeGen] Only consider innermost cast for !heapallocsite

Without opaque pointers, this code determined !heapallocsite based
on the innermost cast of the allocation call. With opaque pointers,
the casts no longer generate an instruction, so the outermost cast
is used. Add an explicit check for nested casts to prevent this.

Differential Revision: https://reviews.llvm.org/D145788

15 months ago[clang][dataflow][NFC] Remove `SkipPast` param from `getValue(const ValueDecl &)`.
Martin Braenne [Mon, 8 May 2023 19:08:36 +0000 (19:08 +0000)]
[clang][dataflow][NFC] Remove `SkipPast` param from `getValue(const ValueDecl &)`.

This parameter was already a no-op, so removing it doesn't change behavior.

Reviewed By: ymandel

Differential Revision: https://reviews.llvm.org/D150137

15 months ago[gn build] Port 17bbb224f99c
LLVM GN Syncbot [Tue, 9 May 2023 07:24:20 +0000 (07:24 +0000)]
[gn build] Port 17bbb224f99c

15 months ago[flang][hlfir] Lower left-hand side vector subscripts to HLFIR
Jean Perier [Tue, 9 May 2023 07:22:24 +0000 (09:22 +0200)]
[flang][hlfir] Lower left-hand side vector subscripts to HLFIR

This patch lowers assignments to vector subscripted designators into the
newly added hlfir.elemental_addr and hlfir.region_assign.

Note that the codegen of these operation to FIR is still TODO and will
still emit a TODO message when trying to compile programs end to end.

Differential Revision: https://reviews.llvm.org/D149962

15 months ago[flang][hlfir] Lower WHERE to HLFIR
Jean Perier [Tue, 9 May 2023 07:21:09 +0000 (09:21 +0200)]
[flang][hlfir] Lower WHERE to HLFIR

Lower WHERE to the newly added hlfir.where and hlfir.elsewhere
operations.

Differential Revision: https://reviews.llvm.org/D149950

15 months ago[flang][hlfir] Lower forall to HLFIR
Jean Perier [Tue, 9 May 2023 07:18:53 +0000 (09:18 +0200)]
[flang][hlfir] Lower forall to HLFIR

Lower Forall to the previously added hlfir.forall, hlfir.forall_mask.
hlfir.forall_index, and hlfir.region_assign operations.

The HLFIR assignment code lowering is moved into genDataAssignment for
more readability and so that user defined assignment (still a TODO),
will be able to share most of the logic.

Differential Revision: https://reviews.llvm.org/D149878

15 months agoUndo include order work-around in Regex.cpp
Hans Wennborg [Mon, 8 May 2023 17:15:46 +0000 (19:15 +0200)]
Undo include order work-around in Regex.cpp

r327256 / 2b8b90a7686858b1d22cae6fcfbd0904135112aa added this
include-order work-around since regex_impl.h's include guard conflicted
with macOS's xlocale.h which used the same macro.

Since b86c249691a7973a451bc6a586b39da64778d219 renamed the include
guard, that work-around is no longer needed.

Differential revision: https://reviews.llvm.org/D150127

15 months agoRevert "[ValutTracking] Use isGuaranteedNotToBePoison in impliesPoison"
Hans Wennborg [Tue, 9 May 2023 07:15:18 +0000 (09:15 +0200)]
Revert "[ValutTracking] Use isGuaranteedNotToBePoison in impliesPoison"

This broke two lit tests:

  LLVM :: Transforms/LoopSimplify/merge-exits.ll
  LLVM :: Transforms/PhaseOrdering/X86/vector-reductions.ll

see comment on the code review.

> Differential Revision: https://reviews.llvm.org/D149934

This reverts commit 2ba4cfd56769ab50c9c6f432f93265d7793bd1f2.

15 months ago[AMDGPU] Recompute liveness in SIOptimizeExecMaskingPreRA
pvanhout [Mon, 8 May 2023 07:31:09 +0000 (09:31 +0200)]
[AMDGPU] Recompute liveness in SIOptimizeExecMaskingPreRA

Instead of ad-hoc updating liveness, recompute it completely for the affected register.

This does not affect any existing test and fixes an edge case that
caused a "Non-empty but used interval" error in the register allocator
due to how the pass updated liveranges. It created a "isolated" live-through
segment.

Overall this change just seems to be a net positive with no side effect observed. There may be a compile time impact but it's expected to be minimal.

Fixes SWDEV-388279

Reviewed By: critson

Differential Revision: https://reviews.llvm.org/D150105

15 months ago[LoongArch] Support fcc* (condition flag) registers in inlineasm clobbers
Weining Lu [Mon, 8 May 2023 03:34:34 +0000 (11:34 +0800)]
[LoongArch] Support fcc* (condition flag) registers in inlineasm clobbers

Differential Revision: https://reviews.llvm.org/D150089