[llvm] [LV] Scale block costs using BranchFrequencyInfo (PR #71793)

[Florian Hahn via llvm-commits]

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+; RUN: opt -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-max=128 -riscv-v-register-bit-width-lmul=1 -passes='require<profile-summary>,loop-vectorize' -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s
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fhahn wrote:

checking debug output is only possible when built with assertions enabled, please add `REQUIRES: asserts`.

Is it possible to add the test as target independent test?

Would it be possible to also add a test case where the probabilities enable vectorization?

And a test with multiple blocks with different probabilities?

https://github.com/llvm/llvm-project/pull/71793