[llvm] [RISCV][TTI] Implement cost of llvm.experimental.vector.extract.last.active (PR #184067)

[Luke Lau via llvm-commits]

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@@ -0,0 +1,109 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 6
+; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -S -mtriple=riscv64--linux-gnu -mattr=+v | FileCheck %s
+
+define void @extractions() {
+  ;; Legal types
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lukel97 wrote:

I think all these types are legal, do we need this comment?

https://github.com/llvm/llvm-project/pull/184067