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Driver support for optimisation passes #1501

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Leporacanthicus opened this issue Feb 24, 2022 · 0 comments
Open

Driver support for optimisation passes #1501

Leporacanthicus opened this issue Feb 24, 2022 · 0 comments
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@Leporacanthicus
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The current flang-new driver doesn't support optimisation.

When working on the SNAP perforamnce investigation, compiling the 2 files of hand-modified MLIR with clang -O3, gave 5-10% improvement, with no other changes.

The general framework for this is also required to allow specialized optimisation passes on FIR and LLVM-IR in Flang.
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@banach-space @Leporacanthicus