[llvm] [DAG] Fold bitreverse(shl/srl(bitreverse(x),y)) -> srl/shl(x,y) (PR #89897)

[Jay Foad via llvm-commits]

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@@ -1,10 +1,10 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -mtriple=riscv32 -mattr=+zbkb -verify-machineinstrs < %s \
-; RUN:   | FileCheck %s -check-prefixes=RV32ZBKB
+; RUN:   | FileCheck %s -check-prefixes=CHECK,RV32ZBKB
 ; RUN: llc -mtriple=riscv64 -mattr=+zbkb -verify-machineinstrs < %s \
-; RUN:   | FileCheck %s -check-prefixes=RV64ZBKB
+; RUN:   | FileCheck %s -check-prefixes=CHECK,RV64ZBKB
 
-; TODO: These tests can be optmised
+; These tests can be optmised
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jayfoad wrote:

Typo "optimised" :)

https://github.com/llvm/llvm-project/pull/89897