[flang-commits] [flang] [flang] Simplify the comparison of characters (PR #154593)

[Leandro Lupori via flang-commits]

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+// RUN: fir-opt %s --expression-simplification | FileCheck %s
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luporl wrote:

Yes, that's a good point, a second test would help ensure the generated HLFIR is in the format expected by this pass.

However, after `hlfir.cmpchar` lands, together with `hlfir.char_trim`, as suggested by @vzakhari, maybe it won't be necessary. I'll come back to this topic after these changes.

https://github.com/llvm/llvm-project/pull/154593