[llvm] [NVPTX] Enhance `mul.wide` and `mad.wide` peepholes (PR #150477)

[Alex MacLean via llvm-commits]

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@@ -990,25 +990,33 @@ defm MAD32 : MAD<"mad.lo.s32", i32, B32, i32imm>;
 defm MAD64 : MAD<"mad.lo.s64", i64, B64, i64imm>;
 }
 
-def SDTMadWide : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 3>, SDTCisInt<1>, SDTCisSameAs<1, 2>]>;
-def mad_wide_signed : SDNode<"NVPTXISD::MAD_WIDE_SIGNED", SDTMadWide>;
-def mad_wide_unsigned : SDNode<"NVPTXISD::MAD_WIDE_UNSIGNED", SDTMadWide>;
-
-multiclass MAD_WIDE<string PtxSuffix, SDNode Op, ValueType BigVT, NVPTXRegClass BigReg, ValueType SmallVT, NVPTXRegClass SmallReg, Operand SmallImm> {
+multiclass MAD_WIDE<string PtxSuffix, SDNode Op, ValueType BigVT, NVPTXRegClass BigReg, Operand BigImm, ValueType SmallVT, NVPTXRegClass SmallReg, Operand SmallImm> {
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AlexMaclean wrote:

Use the RegTyInfo class to clean this up

https://github.com/llvm/llvm-project/pull/150477