Patch 2/3 of the transition step 1 described in
https://discourse.llvm.org/t/rfc-enabling-the-hlfir-lowering-by-default/72778/7.
All the modified tests are still here since coverage for the direct
lowering to FIR was still needed while it was default. Some already have
an HLFIR version, some have not and will need to be ported in step 2
described in the RFC.
Note that another 147 lit tests use -emit-fir/-emit-llvm outputs but do
not need a flag since the HLFIR/no HLFIR output is the same for what is
being tested.
Change the separator in the `uniqueCGIdent` method to `X`. This change
is required to enable OpenMP offloading for the NVPTX target, as dots
are not valid identifiers in PTX and `uniqueCGIdent` is used to mangle
some literals. Follow up patches will change the remainder of `.`
appearances in names to `X` and add support for the NVPTX target.
On platforms which support COMDAT sections we should use them when
linkonce or linkonce_odr linkage is requested. This is required on
Windows (PE/COFF) and provides better behaviour than weak symbols on
ELF-based platforms.
This patch also reverts string literals to use linkonce instead of
internal linkage now that comdats are supported.
Differential Revision: https://reviews.llvm.org/D153768
On Windows, global string literals with "linkonce" linkage is not
supported without using comdat. As a simpler fix than adding comdat
support we can use internal linkage instead.
This fixes a bug where two string literals with the same value in
different fortran files would cause a linker error due to the use
of linkonce linkage.
Reviewed By: jeanPerier
Differential Revision: https://reviews.llvm.org/D149859
Add the remaining pieces to support IO for noncontigous formats.
This is done by passing an array descriptor to IO calls. Scalar
formats continue to pass string and length arguments. IO calls
with formats are modified to place the new format descriptor
argument directly after the original string and length arguments.
This patch adds lowering for procedure designator.
This patch is part of the upstreaming effort from fir-dev branch.
Reviewed By: PeteSteinfeld
Differential Revision: https://reviews.llvm.org/D122153
Co-authored-by: Jean Perier <jperier@nvidia.com>
Co-authored-by: Eric Schweitz <eschweitz@nvidia.com>
