[clang] [llvm] [LoongArch] [CodeGen] Add options for Clang to generate LoongArch-specific frecipe & frsqrte instructions (PR #109917)

[Lu Weining via cfe-commits]

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@@ -19,12 +19,15 @@ def SDT_LoongArchMOVGR2FR_W_LA64
 def SDT_LoongArchMOVFR2GR_S_LA64
     : SDTypeProfile<1, 1, [SDTCisVT<0, i64>, SDTCisVT<1, f32>]>;
 def SDT_LoongArchFTINT : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>;
+def SDT_LoongArchFRECIPE : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>;
 
 def loongarch_movgr2fr_w_la64
     : SDNode<"LoongArchISD::MOVGR2FR_W_LA64", SDT_LoongArchMOVGR2FR_W_LA64>;
 def loongarch_movfr2gr_s_la64
     : SDNode<"LoongArchISD::MOVFR2GR_S_LA64", SDT_LoongArchMOVFR2GR_S_LA64>;
 def loongarch_ftint : SDNode<"LoongArchISD::FTINT", SDT_LoongArchFTINT>;
+def loongarch_frecipe_s : SDNode<"LoongArchISD::FRECIPE_S", SDT_LoongArchFRECIPE>;
+def loongarch_frsqrte_s : SDNode<"LoongArchISD::FRSQRTE_S", SDT_LoongArchFRECIPE>;
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SixWeining wrote:

Use a different type.

https://github.com/llvm/llvm-project/pull/109917