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* [OPENMP]Fix PR39372: Does not complain about loop bound variable notAlexey Bataev2018-10-291-16/+16
| | | | | | | | | | | being shared. According to the standard, the variables with unspecified data-sharing attributes in presence of `default(none)` clause must be reported to users. Compiler did not generate error reports for the variables used in other OpenMP regions. Patch fixes this. llvm-svn: 345533
* Revert "[CodeGenCXX] Treat 'this' as noalias in constructors"Sean Fertile2018-10-151-2/+2
| | | | | | | This reverts commit https://reviews.llvm.org/rL344150 which causes MachineOutliner related failures on the ppc64le multistage buildbot. llvm-svn: 344526
* [CodeGenCXX] Treat 'this' as noalias in constructorsAnton Bikineev2018-10-101-2/+2
| | | | | | | | | This is currently a clang extension and a resolution of the defect report in the C++ Standard. Differential Revision: https://reviews.llvm.org/D46441 llvm-svn: 344150
* Change memcpy/memove/memset to have dest and source alignment attributes ↵Daniel Neilson2018-01-191-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | (Step 1). Summary: Upstream LLVM is changing the the prototypes of the @llvm.memcpy/memmove/memset intrinsics. This change updates the Clang tests for this change. The @llvm.memcpy/memmove/memset intrinsics currently have an explicit argument which is required to be a constant integer. It represents the alignment of the dest (and source), and so must be the minimum of the actual alignment of the two. This change removes the alignment argument in favour of placing the alignment attribute on the source and destination pointers of the memory intrinsic call. For example, code which used to read: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 100, i32 4, i1 false) will now read call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 100, i1 false) At this time the source and destination alignments must be the same (Step 1). Step 2 of the change, to be landed shortly, will relax that contraint and allow the source and destination to have different alignments. llvm-svn: 322964
* [OPENMP] Support for -fopenmp-simd option with compilation of simd loopsAlexey Bataev2017-12-291-0/+16
| | | | | | | | | 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 PR35486: crash when collapsing loops with dependent iteration ↵Alexey Bataev2017-12-041-0/+3
| | | | | | | | | | spaces. Though it is incorrect from point of view of OpenMP standard to have dependent iteration space in OpenMP loops, compiler should not crash. Patch fixes this problem. llvm-svn: 319700
* [OpenMP] Remove fixme comment in regression test and related unnecessary ↵Carlo Bertolli2017-02-061-2/+0
| | | | | | | | | | statement https://reviews.llvm.org/D29501 It looks like I forgot to remove a FIXME comment with the associated statement. The test does not need it and it gives the wrong impression of being an incomplete test. llvm-svn: 294195
* [OPENMP] Private, firstprivate, and lastprivate clauses for distribute, host ↵Carlo Bertolli2017-01-031-0/+379
code generation https://reviews.llvm.org/D17840 This patch enables private, firstprivate, and lastprivate clauses for the OpenMP distribute directive. Regression tests differ from the similar case of the same clauses on the for directive, by removing a reference to two global variables g and g1. This is necessary because: 1. a distribute pragma is only allowed inside a target region; 2. referring a global variable (e.g. g and g1) in a target region requires the program to enclose the variable in a "declare target" region; 3. declare target pragmas, which are used to define a declare target region, are currently unavailable in clang (patch being prepared). For this reason, I moved the global declarations into local variables. llvm-svn: 290898
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