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

[Slava Zakharin via flang-commits]

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@@ -0,0 +1,173 @@
+// RUN: fir-opt %s --expression-simplification | FileCheck %s
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vzakhari wrote:

I agree with Tom that recognizing the pattern based on the runtime calls is quite subtle and complex.  We'd better introduce HLFIR operations from the beginning, and then regognize the pattern based on the HLFIR operations.

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