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Author SHA1 Message Date
Alexey Bataev c2c21ef9d2 [OPENMP]Initial fix PR42392: Improve -Wuninitialized warnings for OpenMP programs. 
Summary:
Some OpenMP clauses rely on the values of the variables. If the variable
is not initialized and used in OpenMP clauses that depend on the
variables values, it should be reported that the uninitialized variable
is used in the OpenMP clause expression.
This patch adds initial processing for uninitialized variables in OpenMP
constructs. Currently, it checks for use of the uninitialized variables
in the structured blocks.

Reviewers: NoQ, Szelethus, dcoughlin, xazax.hun, a.sidorin, george.karpenkov, szepet

Subscribers: rnkovacs, guansong, jfb, jdoerfert, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64356

llvm-svn: 365786
 2019-07-11 14:54:17 +00:00
Alexey Bataev a914888b49 [OPENMP]Add -Wunintialized to the erroneous tests for future fix PR42392, 
NFC.

llvm-svn: 365334
 2019-07-08 15:45:24 +00:00
Alexey Bataev e04483ee35 [OPENMP]Initial support for 'allocate' clause. 
Added parsing/sema analysis of the allocate clause.

llvm-svn: 357068
 2019-03-27 14:14:31 +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 28c75417b2 [OPENMP 4.5] Parsing/sema for 'hint' clause of 'critical' directive. 
OpenMP 4.5 adds 'hint' clause to critical directive. Patch adds parsing/semantic analysis for this clause.

llvm-svn: 255625
 2015-12-15 08:19:24 +00:00
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
Alexander Musman d9ed09f7a5 [OPENMP] Parsing/Sema of the OpenMP directive 'critical'. 
llvm-svn: 213510
 2014-07-21 09:42:05 +00:00