[llvm] [RISCV] Add tests for memcmp expansion (PR #107824)

[Craig Topper via llvm-commits]

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@@ -3,6 +3,10 @@
 ; RUN:   | FileCheck %s --check-prefix=CHECK-ALIGNED-RV32
 ; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -O2  \
 ; RUN:   | FileCheck %s --check-prefix=CHECK-ALIGNED-RV64
+; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+zbb,+zbkb -O2  \
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topperc wrote:

Does Zbkb provide anything over Zbb for these tests? I would like to see Zbb by itself too since it doesn't have pack. I'm not sure if the RVA23 profiles allows Zbkb as an optional extension or not.

https://github.com/llvm/llvm-project/pull/107824