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| author | Johannes Doerfert <johannes@jdoerfert.de> | 2020-11-23 11:48:59 -0600 |
|---|---|---|
| committer | Johannes Doerfert <johannes@jdoerfert.de> | 2020-12-16 20:02:49 -0600 |
| commit | 2e6e4e6aeef71dd8fba038177a34a82b574d2126 (patch) | |
| tree | 2090e2d89a91fa58d3555651f04740bf881bc1f8 /llvm/lib/CodeGen/CodeGen.cpp | |
| parent | f48dae310866851aaeba9e1271935b543b413113 (diff) | |
| download | llvm-2e6e4e6aeef71dd8fba038177a34a82b574d2126.zip llvm-2e6e4e6aeef71dd8fba038177a34a82b574d2126.tar.gz llvm-2e6e4e6aeef71dd8fba038177a34a82b574d2126.tar.bz2 | |
[OpenMP] Add initial support for `omp [begin/end] assumes`
The `assumes` directive is an OpenMP 5.1 feature that allows the user to
provide assumptions to the optimizer. Assumptions can refer to
directives (`absent` and `contains` clauses), expressions (`holds`
clause), or generic properties (`no_openmp_routines`, `ext_ABCD`, ...).
The `assumes` spelling is used for assumptions in the global scope while
`assume` is used for executable contexts with an associated structured
block.
This patch only implements the global spellings. While clauses with
arguments are "accepted" by the parser, they will simply be ignored for
now. The implementation lowers the assumptions directly to the
`AssumptionAttr`.
Reviewed By: ABataev
Differential Revision: https://reviews.llvm.org/D91980
Diffstat (limited to 'llvm/lib/CodeGen/CodeGen.cpp')
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