================
@@ -87,6 +89,10 @@ class LLVM_ABI TargetSubtargetInfo : public MCSubtargetInfo {
virtual bool isXRaySupported() const { return false; }
+ /// \returns true if the target intrinsic \p IntrinsicID used by \p CB is
+ /// supported by this subtarget.
+ bool isIntrinsicSupported(unsigned IntrinsicID, const CallBase &CB) const;
----------------
shiltian wrote:
> Ideally this would not depend on codegen. More importantly, this shouldn't
> depend on a concrete instruction use.
I'm thinking about the case where an intrinsic might only be allowed in certain
functions, like certain calling conventions, but I can see the argument that
this would need to be captured by verifier, probably.
https://github.com/llvm/llvm-project/pull/201470
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