[llvm-dev] Intrinsics for RISCV CSR instructions

Alex Bradbury via llvm-dev llvm-dev at lists.llvm.org
Wed Feb 13 14:03:32 PST 2019

On Wed, 13 Feb 2019, 21:50 David Jones <david.jones at metrics.ca wrote:

> I would like to generate LLVM IR from my custom compiler that will lower
> to a CSR access instruction.
> Can I emit arbitrary inline asm from LLVM IR without using clang?

Yes, see https://llvm.org/docs/LangRef.html#inline-assembler-expressions
and take a look at clang's -emit-llvm -S output for examples of how it
represents inline asm in IR.


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