[PATCH] D110860: [flang] Improve runtime interface with C99 complex

[Jean Perier via Phabricator via llvm-commits]

jeanPerier created this revision.
jeanPerier added reviewers: clementval, schweitz, sscalpone, klausler.
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Follow up of https://reviews.llvm.org/D83397.

In folding, make pgmath usage conditional to C99 complex
support in C++. Disable warning in such case.

In lowering, use an empty class type to indicate C99 complex
type in runtime interface.

Add a unit test enforcing C99 complex can be processed
by FIR runtime interface builder.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110860

Files:
  flang/include/flang/Evaluate/pgmath.h.inc
  flang/lib/Evaluate/CMakeLists.txt
  flang/lib/Lower/RTBuilder.h
  flang/unittests/CMakeLists.txt
  flang/unittests/Lower/CMakeLists.txt
  flang/unittests/Lower/RTBuilder.cpp

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