Kiran Chandramohan 49c08a22ed [Flang] Add the FIR LLVMPointer Type ...

Add a fir.llvm_ptr type to allow any level of indirections

Currently, fir pointer types (fir.ref, fir.ptr, and fir.heap) carry
a special Fortran semantics, and cannot be freely combined/nested.

When implementing some features, lowering sometimes needs more liberty
regarding the number of indirection levels. Add a fir.llvm_ptr that has
no constraints.

Allow its usage in fir.coordinate_op, fir.load, and fir.store.

Convert the FIR LLVMPointer to an LLVMPointer in the LLVM dialect.

Reviewed By: clementval

Differential Revision: https://reviews.llvm.org/D113755

Co-authored-by: Jean Perier <jperier@nvidia.com>

2021-11-15 15:57:59 +00:00

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