Fix comments per Matt

Author: krzysz00

llvm/include/llvm/CodeGen/ValueTypes.td

@@ -331,9 +331,11 @@ def i64x8     : ValueType<512,  231>;  // 8 Consecutive GPRs (AArch64)
 def aarch64svcount
               : ValueType<16,  232>;  // AArch64 predicate-as-counter
 def spirvbuiltin : ValueType<0, 233>; // SPIR-V's builtin type
-// AMDGPU buffer fat pointer, buffer rsrc + offset, rewritten before MIR translation
+// AMDGPU buffer fat pointer, buffer rsrc + offset, rewritten before MIR translation.
+// FIXME: Remove this and the getPointerType() override if MVT::i160 is added.
 def amdgpuBufferFatPointer : ValueType<160, 234>;
-// AMDGPU buffer strided pointer, buffer rsrc + index + offset, doesn't reach MIR
+// AMDGPU buffer strided pointer, buffer rsrc + index + offset, doesn't reach MIR.
+// FIXME: Remove this and the getPointerType() override if MVT::i82 is added.
 def amdgpuBufferStridedPointer : ValueType<192, 235>;
 
 let isNormalValueType = false in {

llvm/lib/Target/AMDGPU/SIISelLowering.h

@@ -306,7 +306,7 @@ class SITargetLowering final : public AMDGPUTargetLowering {
   // have a MVT to prevent some analyses that query this function from breaking.
   // We use the custum MVT::amdgpuBufferFatPointer and
   // amdgpu::amdgpuBufferStridedPointer for this, though we use v8i32 for the
-  // momyr type (which is probably unused).
+  // memory type (which is probably unused).
   MVT getPointerTy(const DataLayout &DL, unsigned AS) const override;
   MVT getPointerMemTy(const DataLayout &DL, unsigned AS) const override;