Commit Graph

6 Commits

Author SHA1 Message Date
Samuel Antao 1168d63cf9 [OpenMP] Use fopenmp prefix for all options introduced by the offloading implementation.
Summary: This patch changes the options used by offloading to start with -fopenmp instead of -fomp. This makes the option naming more consistent and materializes a suggestion by Richard Smith in http://reviews.llvm.org/D9888.

Reviewers: hfinkel, carlo.bertolli, arpith-jacob, ABataev

Subscribers: kkwli0, cfe-commits, caomhin

Differential Revision: http://reviews.llvm.org/D21841

llvm-svn: 274283
2016-06-30 21:22:08 +00:00
Samuel Antao d486f84c57 [OpenMP] Add support for the 'private pointer' flag to signal variables captured in target regions and used in first-private clauses.
Summary: If a variable is implicitly mapped (doesn't show in a map clause), the runtime library has to be informed if the corresponding capture shows up in first-private clause, so that the storage previously allocated in the device is used. This patch adds the support for that.

Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev

Subscribers: caomhin, cfe-commits

Differential Revision: http://reviews.llvm.org/D20112

llvm-svn: 270870
2016-05-26 16:53:38 +00:00
Samuel Antao 6782e944d2 [OpenMP] Adjust map type bits according to latest spec and use zero size array sections for pointers.
Summary: This patch changes the bits used to specify the map types according to the latest version of the libomptarget document and add the support for zero size array section when pointers are being implicitly mapped. This completes the missing new 4.5 map semantics.

Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev

Subscribers: caomhin, cfe-commits

Differential Revision: http://reviews.llvm.org/D20111

llvm-svn: 270868
2016-05-26 16:48:10 +00:00
Alexey Bataev 7ace49dff1 [OPENMP] Pass scalar firstprivate vars by value.
For better performance and to unify code with offloading part we pass
scalar firstprivate values by value, instead of by reference. It will
remove some extra copying operations.

llvm-svn: 269751
2016-05-17 08:55:33 +00:00
Samuel Antao 86ace55d53 [OpenMP] Map clause codegeneration.
Summary:
Implement codegen for the map clause. All the new list items in 4.5 specification are supported. 

Fix bug in the generation of array sections that was exposed by some of the map clause tests: for pointer types the offsets have to be calculated from the pointee not the pointer.

Reviewers: hfinkel, kkwli0, carlo.bertolli, arpith-jacob, ABataev

Subscribers: ABataev, cfe-commits, caomhin, fraggamuffin

Differential Revision: http://reviews.llvm.org/D16749

llvm-svn: 267808
2016-04-27 22:40:57 +00:00
Carlo Bertolli b74bfc80a4 [OPENMP] Implementation of codegen for firstprivate clause of target directive
This patch implements the following aspects:

It extends sema to check that a variable is not reference in both a map clause and firstprivate or private. This is needed to ensure correct functioning at codegen level, apart from being useful for the user.
It implements firstprivate for target in codegen. The implementation applies to both host and nvptx devices.
It adds regression tests for codegen of firstprivate, host and device side when using the host as device, and nvptx side.
Please note that the regression test for nvptx codegen is missing VLAs. This is because VLAs currently require saving and restoring the stack which appears not to be a supported operation by nvptx backend.

It adds a check in sema regression tests for target map, firstprivate, and private clauses.

http://reviews.llvm.org/D18203

llvm-svn: 263837
2016-03-18 21:43:32 +00:00