[clang] [llvm] [AArch64] Add support for range prefetch intrinsic (PR #170490)

[Paul Walker via llvm-commits]

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@@ -536,6 +536,7 @@ def SDT_AArch64trivec : SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<0,1>,
                                            SDTCisSameAs<0,3>]>;
 def SDT_AArch64TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>]>;
 def SDT_AArch64PREFETCH : SDTypeProfile<0, 2, [SDTCisVT<0, i32>, SDTCisPtrTy<1>]>;
+def SDT_AArch64RANGE_PREFETCH: SDTypeProfile<0, 3, [SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisPtrTy<2>]>;
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paulwalker-arm wrote:

Should the metadata operand be `SDTCisVT<2, i64>` rather than `PtrTy`?  I assume the current form works because the two are synonymous, but best not to rely on that.

https://github.com/llvm/llvm-project/pull/170490