[PATCH] D118795: [flang] add ExtendedValue type helpers and factory::genZeroValue

[Jean Perier via Phabricator via llvm-commits]

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Add some helpers to get the base type and element type of
fir::ExtendedValue and to test if a fir::ExtendedValue is
a derived type with length parameters.

Add a new helper factory::genZeroValue to generate zero scalar value for
all the numerical types and false for logicals.

These helpers are used only in lowering for now, so add unit tests.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118795

Files:
  flang/include/flang/Optimizer/Builder/BoxValue.h
  flang/include/flang/Optimizer/Builder/FIRBuilder.h
  flang/lib/Optimizer/Builder/FIRBuilder.cpp
  flang/unittests/Optimizer/Builder/FIRBuilderTest.cpp

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