[PATCH] D78416: [docs][NFC] Mention FastISel as a default instruction selector.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

In D78416#1990386 <https://reviews.llvm.org/D78416#1990386>, @xgupta wrote:

> Thank you sir for reviewing. FastIsel is also enabled at all optimization level for X86 & Sparc(I tested) because every time I need to pass -fast-isel=false for viewing dags using llc. I didn't built LLVM to try other targets.
>  I think FastIsel is default for all target? I will check & update X86 to all if it is.


Fastisel should only be the default if you pass -O0 to llc or the function has the optnone attribute.


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