jeanPerier 356bf3fa2d Reland " [flang] Rely on global initialization for simpler derived types" (#130290) ...

Currently, all derived types are initialized through `_FortranAInitialize`, which is functionally correct, but bears poor runtime performance. This patch falls back on global initialization for "simpler" derived types to speed up the initialization.

Note: this relands #114002 with the fix for the LLVM timeout regressions that have been seen. The fix is to use the added fir.copy to avoid aggregate load/store.

Co-authored-by: NimishMishra <42909663+NimishMishra@users.noreply.github.com>

2025-03-11 15:19:43 +01:00

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