tree 2e7c6d6b74f588fb706b2f72b0965c90873ce25f
parent bd49bbaaafc98433a2cb4e95ce25b7a201baf5a5
author Nikita Popov <npopov@redhat.com> 1744881060 +0200
committer GitHub <noreply@github.com> 1744881060 +0200
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[Intrinsics] Add support for range attributes (#135642)

Add support for specifying range attributes in Intrinsics.td. Use this
to specify the ucmp/scmp range [-1,2).

This case is trickier than existing intrinsic attributes, because we
need to create the attribute with the correct bitwidth. As such, the
attribute construction now needs to be aware of the function type.

We also need to be careful to no longer assign attributes on intrinsics
with invalid signatures, as we'd make invalid assumptions about the
number of arguments etc otherwise.

Fixes https://github.com/llvm/llvm-project/issues/130179.