Commit Graph

8 Commits

Author SHA1 Message Date
Alexey Bataev a90fc6617f [OPENMP]Fix PR41966: type mismatch in runtime functions.
Target-based runtime functions use int64_t type for sizes, while the
compiler uses size_t type. It leads to miscompilation in 32 bit mode.

llvm-svn: 364327
2019-06-25 16:00:43 +00:00
Alexey Bataev b363813543 The patch adds support for the new map interface between clang and libomptarget. The changes in the interface are the following:
device IDs are now 64-bit integers (as opposed to 32-bit)
map flags are 64-bit long (used to be 32-bit)
mappings for partially mapped structs are now calculated at compile time and members of partially mapped structs are flagged using the MEMBER_OF field
Support for is_device_ptr on struct members was dropped - this functionality is not supported by the OpenMP standard and its implementation is technically infeasible (however, use_device_ptr on struct members works as a non-standard extension of the compiler)

llvm-svn: 337468
2018-07-19 16:34:13 +00:00
Alexey Bataev a8a9153a37 [OPENMP] Support for -fopenmp-simd option with compilation of simd loops
only.

Added support for -fopenmp-simd option that allows compilation of
simd-based constructs without emission of OpenMP runtime calls.

llvm-svn: 321560
2017-12-29 18:07:07 +00:00
Alexey Bataev 0cc6b8ec61 [OPENMP] Add codegen for target data constructs with `nowait` clause.
Added codegen for the `nowait` clause in target data constructs.

llvm-svn: 320717
2017-12-14 17:00:17 +00:00
George Rokos 63bc9d6f66 [Clang][OpenMP] New clang/libomptarget map interface: new function signatures, clang-side
This clang patch changes the __tgt_* API function signatures in preparation for the new map interface.
Changes are: Device IDs 32bits --> 64bits, Flags 32bits --> 64bits

Differential revision: https://reviews.llvm.org/D40281

llvm-svn: 318789
2017-11-21 18:25:12 +00:00
Alexey Bataev 1fdfdf7155 [OPENMP][DEBUG] Generate second function with correct arg types.
Currently, if the some of the parameters are captured by value, this
argument is converted to uintptr_t type and thus we loosing the debug
info about real type of the argument (captured variable):
```
void @.outlined_function.(uintptr %par);

...
%a = alloca i32
%a.casted = alloca uintptr
%cast = bitcast uintptr* %a.casted to i32*
%a.val = load i32, i32 *%a
store i32 %a.val, i32 *%cast
%a.casted.val = load uintptr, uintptr* %a.casted
call void @.outlined_function.(uintptr %a.casted.val)
...
```

To resolve this problem, in debug mode a speciall external wrapper
function is generated, that calls the outlined function with the correct
parameters types:
```
void @.wrapper.(uintptr %par) {
  %a = alloca i32
  %cast = bitcast i32* %a to uintptr*
  store uintptr %par, uintptr *%cast
  %a.val = load i32, i32* %a
  call void @.outlined_function.(i32 %a)
  ret void
}
void @.outlined_function.(i32 %par);

...
%a = alloca i32
%a.casted = alloca uintptr
%cast = bitcast uintptr* %a.casted to i32*
%a.val = load i32, i32 *%a
store i32 %a.val, i32 *%cast
%a.casted.val = load uintptr, uintptr* %a.casted
call void @.wrapper.(uintptr %a.casted.val)
...
```

llvm-svn: 306697
2017-06-29 16:43:05 +00:00
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 8d2d730f2a [OpenMP] Codegen for target update directive.
Summary: This patch implements the code generation for the `target update` directive. The implemntation relies on the logic already in place for target data standalone directives, i.e. target enter/exit data.

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

Subscribers: caomhin, cfe-commits

Differential Revision: http://reviews.llvm.org/D20650

llvm-svn: 270886
2016-05-26 18:30:22 +00:00