[flang-commits] [PATCH] D98553: [flang] Runtime: implement INDEX intrinsic function

[Peter Klausler via Phabricator via flang-commits]

klausler created this revision.
klausler added reviewers: jeanPerier, ashermancinelli.
klausler added a project: Flang.
Herald added subscribers: jdoerfert, arphaman.
klausler requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Implement INDEX in the runtime, reusing some infrastructure
(with generalization and renaming as needed) put into place
for its cousins SCAN and VERIFY.

I did not implement full Boyer-Moore substring searching
for the forward case, but did accelerate some advancement on
mismatches.

I (re)implemented unit testing for INDEX in the new gtest
framework, combining it with the tests that have recently
been ported to gtest for SCAN and VERIFY.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98553

Files:
  flang/runtime/character.cpp
  flang/runtime/character.h
  flang/test/Evaluate/folding05.f90
  flang/unittests/RuntimeGTest/CharacterTest.cpp

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