Learn about LLVM Machine Code Analyzer: Review

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What you've learned

You should now know how to:

Estimate the hardware resource pressure and the number of cycles taken to execute your code snippet using llvm-mca.
Describe how this estimate can help diagnose possible performance issues.
Use Compiler Explorer to run llvm-mca.

How can using MCA be useful?

It can provide a performance estimation that can be used to understand and improve performance.

It can provide an improved version of a given code snippet.

MCA can offer performance metrics for the following as input:

A snippet of code, the language does not matter.

A snippet of assembly code.

When using Compiler Explorer, what does llvm-mca take as input?

The source code provided.

The disassembly of the source code.

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