[gn] port b5812c0 (LoongArch SDNodeInfo)

Author: nico

llvm/utils/gn/secondary/llvm/lib/Target/LoongArch/BUILD.gn

@@ -12,10 +12,17 @@ tablegen("LoongArchGenMCPseudoLowering") {
   td_file = "LoongArch.td"
 }
 
+tablegen("LoongArchGenSDNodeInfo") {
+  visibility = [ ":LLVMLoongArchCodeGen" ]
+  args = [ "-gen-sd-node-info" ]
+  td_file = "LoongArch.td"
+}
+
 static_library("LLVMLoongArchCodeGen") {
   deps = [
     ":LoongArchGenDAGISel",
     ":LoongArchGenMCPseudoLowering",
+    ":LoongArchGenSDNodeInfo",
 
     # See https://reviews.llvm.org/D137532
     "AsmParser:LoongArchGenAsmMatcher",
@@ -45,6 +52,7 @@ static_library("LLVMLoongArchCodeGen") {
     "LoongArchMergeBaseOffset.cpp",
     "LoongArchOptWInstrs.cpp",
     "LoongArchRegisterInfo.cpp",
+    "LoongArchSelectionDAGInfo.cpp",
     "LoongArchSubtarget.cpp",
     "LoongArchTargetMachine.cpp",
     "LoongArchTargetTransformInfo.cpp",