Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7 |
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7d757725 |
| 14-Dec-2022 |
Nikita Popov <npopov@redhat.com> |
[LoopVectorize] Convert some tests to opaque pointers (NFC)
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be51fa45 |
| 05-Dec-2022 |
Roman Lebedev <lebedev.ri@gmail.com> |
[NFC] Port all runlines for LoopVectorize pass tests to -passes syntax
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Revision tags: llvmorg-15.0.6, llvmorg-15.0.5, llvmorg-15.0.4, llvmorg-15.0.3, working, llvmorg-15.0.2, llvmorg-15.0.1, llvmorg-15.0.0, llvmorg-15.0.0-rc3, llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init, llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4 |
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b7315ffc |
| 16-May-2022 |
Florian Hahn <flo@fhahn.com> |
[LAA,LV] Add initial support for pointer-diff memory checks.
This patch adds initial support for a pointer diff based runtime check scheme for vectorization. This scheme requires fewer computations
[LAA,LV] Add initial support for pointer-diff memory checks.
This patch adds initial support for a pointer diff based runtime check scheme for vectorization. This scheme requires fewer computations and checks than the existing full overlap checking, if it is applicable.
The main idea is to only check if source and sink of a dependency are far enough apart so the accesses won't overlap in the vector loop. To do so, it is sufficient to compute the difference and compare it to the `VF * UF * AccessSize`. It is sufficient to check `(Sink - Src) <u VF * UF * AccessSize` to rule out a backwards dependence in the vector loop with the given VF and UF. If Src >=u Sink, there is not dependence preventing vectorization, hence the overflow should not matter and using the ULT should be sufficient.
Note that the initial version is restricted in multiple ways:
1. Pointers must only either be read or written, by a single instruction (this allows re-constructing source/sink for dependences with the available information) 2. Source and sink pointers must be add-recs, with matching steps 3. The step must be a constant. 3. abs(step) == AccessSize.
Most of those restrictions can be relaxed in the future.
See https://github.com/llvm/llvm-project/issues/53590.
Reviewed By: dmgreen
Differential Revision: https://reviews.llvm.org/D119078
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Revision tags: llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1 |
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872f7000 |
| 03-Apr-2022 |
Dávid Bolvanský <david.bolvansky@gmail.com> |
Revert "[NFCI] Regenerate SROA/LoopVectorize test checks"
This reverts commit 14e3450fb57305aa9ff3e9e60687b458e43835c9.
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a113a582 |
| 03-Apr-2022 |
Dávid Bolvanský <david.bolvansky@gmail.com> |
[NFCI] Regenerate LoopVectorize test checks
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Revision tags: llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3, llvmorg-12.0.1-rc2, llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4, llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2, llvmorg-11.1.0, llvmorg-11.1.0-rc3, llvmorg-12.0.0-rc1, llvmorg-13-init, llvmorg-11.1.0-rc2 |
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eee2e881 |
| 20-Jan-2021 |
Florian Hahn <flo@fhahn.com> |
[LV] Add test cases with multiple exits which require versioning.
This adds some test coverage for caafdf07bbccbe89219539e2b56043c2a98358f1, which relaxed an assertion to only require a unique exit
[LV] Add test cases with multiple exits which require versioning.
This adds some test coverage for caafdf07bbccbe89219539e2b56043c2a98358f1, which relaxed an assertion to only require a unique exit block.
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