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* [OPENMP]Support for non-rectangular loops.Alexey Bataev2019-08-141-2/+1
| | | | | | | | Added basic support for non-rectangular loops. It requires an additional analysis of min/max boundaries for non-rectangular loops. Since only linear dependency is allowed, we can do this analysis. llvm-svn: 368903
* [OPENMP]Fix crash in LoopCounterRefChecker when MemberExpr is not Var or FieldMike Rice2019-07-171-0/+8
| | | | | | | | | | checkDecl is only valid for VarDecls or FieldDecls, since getCanonicalDecl expects only these. Prevent other Decl kinds (such as CXXMethodDecls and EnumConstantDecls) from entering and asserting. Differential Revision: https://reviews.llvm.org/D64842 llvm-svn: 366336
* [OPENMP]Add -Wunintialized to the erroneous tests for future fix PR42392,Alexey Bataev2019-07-081-2/+2
| | | | | | NFC. llvm-svn: 365334
* [OPENMP]Added check for non-random access types for the dependent loopAlexey Bataev2019-04-261-1/+27
| | | | | | | | | | | counters. According to the OpenMP 5.0, For any associated loop where the b or lb expression is not loop invariant with respect to the outermost loop, the var-outer that appears in the expression may not have a random access iterator type. llvm-svn: 359340
* [OPENMP] Improved check for the linear dependency in the non-rectangularAlexey Bataev2019-04-251-1/+15
| | | | | | | | | loop nests. Added a checks that the initializer/condition expressions depend only only of the single previous loop iteration variable. llvm-svn: 359200
* [OPENMP]Initial support for non-rectangular loop nest.Alexey Bataev2019-04-241-1/+16
| | | | | | | Added basic semantic analysis for the non-rectangular loop nests for OpenMP 5.0 support. llvm-svn: 359132
* [OPENMP] Support relational-op != (not-equal) as one of the canonical Kelvin Li2018-11-211-1/+1
| | | | | | | | | | | | | | forms of random access iterator In OpenMP 4.5, only 4 relational operators are supported: <, <=, >, and >=. This work is to enable support for relational operator != (not-equal) as one of the canonical forms. Patch by Anh Tuyen Tran Differential Revision: https://reviews.llvm.org/D54441 llvm-svn: 347405
* [OPENMP] Support for -fopenmp-simd option with compilation of simd loopsAlexey Bataev2017-12-291-0/+2
| | | | | | | | | only. Added support for -fopenmp-simd option that allows compilation of simd-based constructs without emission of OpenMP runtime calls. llvm-svn: 321560
* [OPENMP] Fix for PR34398: assert with random access iterator if theAlexey Bataev2017-08-311-1/+1
| | | | | | | | | | | | step>1. If the loop is a loot with random access iterators and the iteration construct is represented it += n, then the compiler crashed because of reusing of the same MaterializedTemporaryExpr around N. Patch fixes it by using the expression as written, without any special kind of wrappings. llvm-svn: 312292
* [OPENMP] Remove extra code transformation.Alexey Bataev2016-03-291-3/+3
| | | | | | | | | For better support of some specific GNU extensions some extra transformation of AST nodes were introduced. These transformations are very hard to handle. The code is improved in handling of these extensions by using captured expressions construct. llvm-svn: 264709
* [OPENMP] Allow to use compound assignment operators.Alexey Bataev2016-02-161-0/+17
| | | | | | Loop-based directives allow to use iterators as loop counters. Iterators are allowed to define their own operators. This patch allows to use compound assignment operators for iterators. llvm-svn: 260957
* [OPENMP] Do not allow to use threadprivate or thread local variables as loop ↵Alexey Bataev2015-12-251-0/+2
| | | | | | | | iteration variables. According to OpenMP the loop iteration variable may not appear in a threadprivate directive. llvm-svn: 256417
* Produce a better diagnostic for global register variables.Akira Hatanaka2015-11-181-1/+3
| | | | | | | | | | | | | | | | | | Currently, when there is a global register variable in a program that is bound to an invalid register, clang/llvm prints an error message that is not very user-friendly. This commit improves the diagnostic and moves the check that used to be in the backend to Sema. In addition, it makes changes to error out if the size of the register doesn't match the declared variable size. e.g., volatile register int B asm ("rbp"); rdar://problem/23084219 Differential Revision: http://reviews.llvm.org/D13834 llvm-svn: 253405
* [OPENMP] Fix for http://llvm.org/PR24371: Assert failure compiling blender 2.75.Alexey Bataev2015-08-141-3/+3
| | | | | | | blender uses statements expression in condition of the loop under control of the '#pragma omp parallel for'. This condition is used several times in different expressions required for codegen of the loop directive. If there are some variables defined in statement expression, it fires an assert during codegen because of redefinition of the same variables. We have to rebuild several expression to be sure that all variables are unique. llvm-svn: 245041
* [OPENMP 4.1] Allow references in init expression for loop-based constructs.Alexey Bataev2015-08-061-8/+8
| | | | | | OpenMP 4.1 allows to use variables with reference types in private clauses and, therefore, in init expressions of the cannonical loop forms. llvm-svn: 244209
* [OPENMP 4.1] Support for 'linear' clause in loop directives.Alexey Bataev2015-08-041-1/+0
| | | | | | OpenMP 4.1 allows 'linear' clause in loop directives. Patch adds support for it. llvm-svn: 243969
* [OPENMP] Fixed detection of canonical loops with random access iterators.Alexey Bataev2015-07-161-1/+1
| | | | | | Add handling of iterators with copy/move constructors with default arguments + converting template constructors. llvm-svn: 242382
* [OPENMP] -fopenmp enables OpenMP support (fix for http://llvm.org/PR23492)Alexey Bataev2015-05-201-1/+1
| | | | | | | -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
* [OPENMP] Allow using of threadprivate variables as loop-control variables in ↵Alexey Bataev2015-05-121-4/+2
| | | | | | lop based directives. llvm-svn: 237102
* [OPENMP] Fixed messages about predetermined DSA for loop control variables.Alexey Bataev2015-05-061-1/+1
| | | | llvm-svn: 236574
* [OPENMP] Fix for http://llvm.org/PR23387: clang fails to compile ↵Alexey Bataev2015-05-061-0/+18
| | | | | | | | magick/attribute.c Allow to use variables with 'register' storage class as loop control variables in OpenMP loop based constructs. llvm-svn: 236571
* [OPENMP] Allow to use global variables as lcv in loop-based directives.Alexey Bataev2015-04-301-2/+0
| | | | | | | For proper codegen we need to capture variable in the OpenMP region. In loop-based directives loop control variables are private by default and they must be captured in this region. There was a problem with capturing of globals, used as lcv, as they was not marked as private by default. Differential Revision: http://reviews.llvm.org/D9336 llvm-svn: 236201
* [OPENMP] Temporary fix for processing of global variables in loops.Alexey Bataev2014-11-141-0/+18
| | | | | | Currently there is a bug in processing of global variables used as loop control variables in 'omp for/simd' constructs: these globals must be captured as private variables, but currently they are nor. This is a temporary bug fix for this problem until the correct solution is prepared. If a global var used as lcv without explicit mark as a private/linear/lastprivate the error message is emitted. llvm-svn: 221970
* [OPENMP] Loop collapsing and codegen for 'omp simd' directive.Alexander Musman2014-10-011-0/+21
| | | | | | | | | | | | | This patch implements collapsing of the loops (in particular, in presense of clause 'collapse'). It calculates number of iterations N and expressions nesessary to calculate the nested loops counters values based on new iteration variable (that goes from 0 to N-1) in Sema. It also adds Codegen for 'omp simd', which uses (and tests) this feature. Differential Revision: http://reviews.llvm.org/D5184 llvm-svn: 218743
* [OPENMP] Added several test cases for clauses 'ordered' and 'nowait': if ↵Alexey Bataev2014-07-211-0/+14
| | | | | | there are more than one 'nowait' or 'ordered' clause an error message is expected. llvm-svn: 213496
* [OPENMP] Added initial support for 'omp parallel for'.Alexey Bataev2014-07-071-3/+3
| | | | llvm-svn: 212453
* [OPENMP] Initial support for '#pragma omp for' (fixed incompatibility with ↵Alexey Bataev2014-06-181-0/+680
| | | | | | MSVC). llvm-svn: 211140
* Revert "[OPENMP] Initial support for '#pragma omp for'."Rafael Espindola2014-06-171-680/+0
| | | | | | | | This reverts commit r211096. Looks like it broke the msvc build: SemaOpenMP.cpp(140) : error C4519: default template arguments are only allowed on a class template llvm-svn: 211113
* [OPENMP] Initial support for '#pragma omp for'.Alexey Bataev2014-06-171-0/+680
llvm-svn: 211096
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