4 Commits

Author	SHA1	Message	Date
Alexey Bataev	db39021cee	[OPENMP] -fopenmp enables OpenMP support (fix for http://llvm.org/PR23492) ... -fopenmp turns on OpenMP support and links libiomp5 as OpenMP library. Also there is -fopenmp={libiomp5|libgomp} option that allows to override effect of -fopenmp and link libgomp library (if -fopenmp=libgomp is specified). Differential Revision: http://reviews.llvm.org/D9736 llvm-svn: 237769	2015-05-20 04:24:19 +00:00
Alexey Bataev	6f1ffc069b	[OPENMP] Refactoring of codegen for OpenMP directives. ... Refactored API of OpenMPRuntime for compatibility with combined directives. Differential Revision: http://reviews.llvm.org/D8859 llvm-svn: 234564	2015-04-10 04:50:10 +00:00
Alexey Bataev	f268568447	[OPENMP] Improved codegen for implicit/explicit 'barrier' constructs. ... Replace boolean IsExplicit parameter of OpenMPRuntime::emitBarrierCall() method by OpenMPDirectiveKind Kind for better compatibility with the runtime library. Also add processing of 'nowait' clause on worksharing directives. Differential Revision: http://reviews.llvm.org/D8659 llvm-svn: 233511	2015-03-30 04:30:22 +00:00
Alexey Bataev	2df54a07bf	[OPENMP] Initial codegen for 'omp sections' and 'omp section' directives. ... If only one section is found in the sections region, it is emitted just like single region. Otherwise it is emitted as a static non-chunked loop. #pragma omp sections { #pragma omp section {1} ... #pragma omp section {n} } is translated to something like i32 <iter_var> i32 <last_iter> = 0 i32 <lower_bound> = 0 i32 <upper_bound> = n-1 i32 <stride> = 1 call void @__kmpc_for_static_init_4(<loc>, i32 <gtid>, i32 34/*static non-chunked*/, i32* <last_iter>, i32* <lower_bound>, i32* <upper_bound>, i32* <stride>, i32 1/*increment always 1*/, i32 1/*chunk always 1*/) <upper_bound> = min(<upper_bound>, n-1) <iter_var> = <lb> check: br <iter_var> <= <upper_bound>, label cont, label exit continue: switch (IV) { case 0: {1}; break; ... case <NumSection> - 1: {n}; break; } ++<iter_var> br label check exit: call void @__kmpc_for_static_fini(<loc>, i32 <gtid>) Differential Revision: http://reviews.llvm.org/D8244 llvm-svn: 232021	2015-03-12 08:53:29 +00:00