[flang][runtime] Ensure PointerDeallocate actually deallocate pointers

PointerDeallocate was silently doing nothing because it relied on
Destroy that doe not do anything for Pointers. Add an option

[flang][runtime] Ensure PointerDeallocate actually deallocate pointers

PointerDeallocate was silently doing nothing because it relied on
Destroy that doe not do anything for Pointers. Add an option to Destroy
in order to destroy pointers.

Add a unit test for PointerDeallocate.

Differential Revision: https://reviews.llvm.org/D122492

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[flang] Runtime performance improvements to real formatted input

Profiling a basic internal real input read benchmark shows some
hot spots in the code used to prepare input for decimal-to-binary
con

[flang] Runtime performance improvements to real formatted input

Profiling a basic internal real input read benchmark shows some
hot spots in the code used to prepare input for decimal-to-binary
conversion, which is of course where the time should be spent.
The library that implements decimal to/from binary conversions has
been optimized, but not the code in the Fortran runtime that calls it,
and there are some obvious light changes worth making here.

Move some member functions from *.cpp files into the class definitions
of Descriptor and IoStatementState to enable inlining and specialization.

Make GetNextInputBytes() the new basic input API within the
runtime, replacing GetCurrentChar() -- which is rewritten in terms of
GetNextInputBytes -- so that input routines can have the
ability to acquire more than one input character at a time
and amortize overhead.

These changes speed up the time to read 1M random reals
using internal I/O from a character array from 1.29s to 0.54s
on my machine, which on par with Intel Fortran and much faster than
GNU Fortran.

Differential Revision: https://reviews.llvm.org/D113697

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[flang] Set the addendum when establishing pointer section in descriptor

If the source has an addendum, the descriptor that is being established
to describe a section over the source needs to copy t

[flang] Set the addendum when establishing pointer section in descriptor

If the source has an addendum, the descriptor that is being established
to describe a section over the source needs to copy the addendum so that
derived type information is correctly set in the descriptor being
established.

This allows namelist IO with derived type to work correctly.

Differential Revision: https://reviews.llvm.org/D113258

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[flang] Move runtime API headers to flang/include/flang/Runtime

Move the closure of the subset of flang/runtime/*.h header files that
are referenced by source files outside flang/runtime (apart from

[flang] Move runtime API headers to flang/include/flang/Runtime

Move the closure of the subset of flang/runtime/*.h header files that
are referenced by source files outside flang/runtime (apart from unit tests)
into a new directory (flang/include/flang/Runtime) so that relative
include paths into ../runtime need not be used.

flang/runtime/pgmath.h.inc is moved to flang/include/flang/Evaluate;
it's not used by the runtime.

Differential Revision: https://reviews.llvm.org/D109107

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[flang] Run-time derived type initialization and destruction

Use derived type information tables to drive default component
initialization (when needed), component destruction, and calls to
final su

[flang] Run-time derived type initialization and destruction

Use derived type information tables to drive default component
initialization (when needed), component destruction, and calls to
final subroutines. Perform these operations automatically for
ALLOCATE()/DEALLOCATE() APIs for allocatables, automatics, and
pointers. Add APIs for use in lowering to perform these operations
for non-allocatable/automatic non-pointer variables.
Data pointer component initialization supports arbitrary constant
designators, a F'2008 feature, which may be a first for Fortran
implementations.

Differential Revision: https://reviews.llvm.org/D106297

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[flang] Runtime API for data pointers

Define and implement an API for use by lowering to
implement operations on pointers.

Differential Revision: https://reviews.llvm.org/D106170

[flang] Runtime implementation for default derived type formatted I/O

This is *not* user-defined derived type I/O, but rather Fortran's
built-in capabilities for using derived type data in I/O lists

[flang] Runtime implementation for default derived type formatted I/O

This is *not* user-defined derived type I/O, but rather Fortran's
built-in capabilities for using derived type data in I/O lists
and NAMELIST groups.

This feature depends on having the derived type description tables
that are created by Semantics available, passed through compilation
as initialized static objects to which pointers can be targeted
in the descriptors of I/O list items and NAMELIST groups.

NAMELIST processing now handles component references on input
(e.g., "&GROUP x%component = 123 /").

The C++ perspectives of the derived type information records
were transformed into proper classes when it was necessary to add
member functions to them.

The code in Semantics that generates derived type information
was changed to emit derived type components in component order,
not alphabetic order.

Differential Revision: https://reviews.llvm.org/D104485

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[flang] Correct the subscripts used for arguments to character intrinsics

When chasing down another unrelated bug, I noticed that the
implementations of various character intrinsic functions assume

[flang] Correct the subscripts used for arguments to character intrinsics

When chasing down another unrelated bug, I noticed that the
implementations of various character intrinsic functions assume
that the lower bounds of (some of) their arguments were 1.
This isn't necessarily the case, so I've cleaned them up, tweaked
the unit tests to exercise the fix, and regularized the allocation
pattern used for results to use SetBounds() before Allocate() rather
than the old original Descriptor::Allocate() wrapper around
CFI_allocate().

Since there were few other remaining uses of the old original
Descriptor::Allocate() wrapper, I also converted them to the
new one and deleted the old one.

Differential Revision: https://reviews.llvm.org/D104325

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[flang] Implement NAMELIST I/O in the runtime

Add InputNamelist and OutputNamelist as I/O data transfer APIs
to be used with internal & external list-directed I/O; delete the
needless original namel

[flang] Implement NAMELIST I/O in the runtime

Add InputNamelist and OutputNamelist as I/O data transfer APIs
to be used with internal & external list-directed I/O; delete the
needless original namelist-specific Begin... calls.
Implement NAMELIST output and input; add basic tests.

Differential Revision: https://reviews.llvm.org/D101931

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[flang] TRANSFER() intrinsic function

API, implementation, and unit tests for the intrinsic
function TRANSFER.

Differential Revision: https://reviews.llvm.org/D99799

[flang] Implement reductions in the runtime

Add runtime APIs, implementations, and tests for ALL, ANY, COUNT,
MAXLOC, MAXVAL, MINLOC, MINVAL, PRODUCT, and SUM reduction
transformantional intrinsic f

[flang] Implement reductions in the runtime

Add runtime APIs, implementations, and tests for ALL, ANY, COUNT,
MAXLOC, MAXVAL, MINLOC, MINVAL, PRODUCT, and SUM reduction
transformantional intrinsic functions for all relevant argument
and result types and kinds, both without DIM= arguments
(total reductions) and with (partial reductions).

Complex-valued reductions have their APIs in C so that
C's _Complex types can be used for their results.

Some infrastructure work was also necessary or noticed:
* Usage of "long double" in the compiler was cleaned up a
bit, and host dependences on x86 / MSVC have been isolated
in a new Common/long-double header.
* Character comparison has been exposed via an extern template
so that reductions could use it.
* Mappings from Fortran type category/kind to host C++ types
and vice versa have been isolated into runtime/cpp-type.h and
then used throughout the runtime as appropriate.
* The portable 128-bit integer package in Common/uint128.h
was generalized to support signed comparisons.
* Bugs in descriptor indexing code were fixed.

Differential Revision: https://reviews.llvm.org/D99666

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[flang] fix spurious runtime crash on TRIM('')

The standard interoperability routine CFI_establish() does not
accept a zero-length CHARACTER type. Since these can be valid
results of intrinsic func

[flang] fix spurious runtime crash on TRIM('')

The standard interoperability routine CFI_establish() does not
accept a zero-length CHARACTER type. Since these can be valid
results of intrinsic function references, work around the design
of CFI_establish() in the wrapper routine that calls it.

Differential Revision: https://reviews.llvm.org/D99296

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[flang] Implement derived type description table encoding

Define Fortran derived types that describe the characteristics
of derived types, and instantiations of parameterized derived
types, that are

[flang] Implement derived type description table encoding

Define Fortran derived types that describe the characteristics
of derived types, and instantiations of parameterized derived
types, that are of relevance to the runtime language support
library. Define a suite of corresponding C++ structure types
for the runtime library to use to interpret instances of the
descriptions.

Create instances of these description types in Semantics as
static initializers for compiler-created objects in the scopes
that define or instantiate user derived types.

Delete obsolete code from earlier attempts to package runtime
type information.

Differential Revision: https://reviews.llvm.org/D92802

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[flang] Implement runtime support for basic ALLOCATE/DEALLOCATE

Add error reporting infrastructure and support for ALLOCATE
and DEALLOCATE statements of intrinsic types without SOURCE=
or MOLD=.

Di

[flang] Implement runtime support for basic ALLOCATE/DEALLOCATE

Add error reporting infrastructure and support for ALLOCATE
and DEALLOCATE statements of intrinsic types without SOURCE=
or MOLD=.

Differential revision: https://reviews.llvm.org/D91215

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[flang] More Fortran runtime support for CHARACTER operations

Summary:
- Remove C++ library dependence from lock.h
- Implement LEN_TRIM, REPEAT, ADJUSTL, ADJUSTR, MAX/MIN
intrinsic functions for C

[flang] More Fortran runtime support for CHARACTER operations

Summary:
- Remove C++ library dependence from lock.h
- Implement LEN_TRIM, REPEAT, ADJUSTL, ADJUSTR, MAX/MIN
intrinsic functions for CHARACTER

Reviewers: tskeith, PeteSteinfeld, sscalpone, schweitz, DavidTruby

Reviewed By: PeteSteinfeld

Subscribers: llvm-commits, flang-commits

Tags: #flang, #llvm

Differential Revision: https://reviews.llvm.org/D82054

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[flang] Reformat with latest clang-format and .clang-format

Original-commit: flang-compiler/f18@9fe84f45d7fd685051004678d6b5775dcc4c6f8f
Reviewed-on: https://github.com/flang-compiler/f18/pull/1094

[flang] Use hash table for UnitMap, avoid C++ STL binary dependence

Scan FORMAT strings locally to avoid C++ binary runtime dependence when computing deepest parenthesis nesting

Remove a dependency

[flang] Use hash table for UnitMap, avoid C++ STL binary dependence

Scan FORMAT strings locally to avoid C++ binary runtime dependence when computing deepest parenthesis nesting

Remove a dependency on ostream from runtime

Remove remaining direct external references from runtime to C++ library binaries

Remove runtime dependences on lib/common

SetPos() and SetRec()

Instantiate templates for input

Begin input; rearrange locking, deal with CLOSE races

View()

Update error message in test to agree with compiler change

First cut at real input

More robust I/O runtime error handling

Debugging of REAL input

Add iostat.{h,cpp}

Rename runtime/numeric-* to runtime/edit-*

Move templates around, templatize integer output editing

Move LOGICAL and CHARACTER output from io-api.cpp to edit-output.cpp

Change pointer argument to reference

More list-directed input

Complex list-directed input

Use enum class Direction rather than bool for templates

Catch up with changes to master

Undo reformatting of Lower code

Use record number instead of subscripts for internal unit

Unformatted sequential backspace

Testing and debugging

Dodge bogus GCC warning

Add <cstddef> for std::size_t to fix CI build

Address review comments

Original-commit: flang-compiler/f18@50406b349609efdde76e48bf2caa039d031dd1c4
Reviewed-on: https://github.com/flang-compiler/f18/pull/1053

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[flang] [LLVMify F18] Compiler module folders should have capitalised names (flang-compiler/f18#980)

This patch renames the modules in f18 to use a capital letter in the
module name

Signed-off-b

[flang] [LLVMify F18] Compiler module folders should have capitalised names (flang-compiler/f18#980)

This patch renames the modules in f18 to use a capital letter in the
module name

Signed-off-by: Caroline Concatto <[email protected]>

Original-commit: flang-compiler/f18@d2eb7a1c443d1539ef12b6f027074a0eb15b1ea0
Reviewed-on: https://github.com/flang-compiler/f18/pull/980

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[flang] Progress on Fortran I/O runtime

Use internal units for internal I/O state

Replace use of virtual functions

reference_wrapper

Internal formatted output to array descriptor

Delete dead cod

[flang] Progress on Fortran I/O runtime

Use internal units for internal I/O state

Replace use of virtual functions

reference_wrapper

Internal formatted output to array descriptor

Delete dead code

Begin list-directed internal output

Refactorings and renamings for clarity

List-directed external I/O (character)

COMPLEX list-directed output

Control list items

First cut at unformatted I/O

More OPEN statement work; rename class to ExternalFileUnit

Complete OPEN (exc. for POSITION=), add CLOSE()

OPEN(POSITION=)

Flush buffers on crash and for terminal output; clean up

Documentation

Fix backquote in documentation

Fix typo in comment

Begin implementation of input

Refactor binary floating-point properties to a new header, simplify numeric output editing

Dodge spurious GCC 7.2 build warning

Address review comments

Original-commit: flang-compiler/f18@9c4bba11cf2329575ea9ee446f69e9caa797135c
Reviewed-on: https://github.com/flang-compiler/f18/pull/982

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[flang] Changed *.cc file extension to *.cpp (updated scripts) (flang-compiler/f18#958)

Updated CMake files accordingly, using better regex
Updated license headers to match new extension and fit wi

[flang] Changed *.cc file extension to *.cpp (updated scripts) (flang-compiler/f18#958)

Updated CMake files accordingly, using better regex
Updated license headers to match new extension and fit within 80 columns
Updated other comments within files that referred to the old extension

Original-commit: flang-compiler/f18@ae7721e611918631d1e3821dbb60f5ffcd9a69b1
Reviewed-on: https://github.com/flang-compiler/f18/pull/958

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