[llvm] [GlobalISel][LLT] Introduce FPInfo for LLT (Enable bfloat, ppc128float and others in GlobalISel) (PR #155107)

[via llvm-commits]

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@@ -417,6 +417,9 @@ class LLVM_ABI TargetLoweringBase {
   /// amounts, returns MVT::i32.
   EVT getShiftAmountTy(EVT LHSTy, const DataLayout &DL) const;
 
+  virtual LLT getLLTForType(Type &Ty, const DataLayout &DL) const;
+  virtual LLT getLLTForMVT(MVT Ty) const;
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DenisGZM wrote:

Yes, right now there is no target overriding these interfaces. In this patch I only wanted provide new customizable interfaces for targets if they want to enable extended LLT. Maybe approach with looking at TargetOption is general enough so we could get rid of "virtual". 

https://github.com/llvm/llvm-project/pull/155107