CodeGenRegBank to RegClassByHwMode

Author: arsenm

llvm/utils/TableGen/Common/CodeGenDAGPatterns.cpp

@@ -1794,7 +1794,7 @@ bool llvm::operator<(const SDTypeConstraint &LHS, const SDTypeConstraint &RHS) {
 static TypeSetByHwMode getTypeForRegClassByHwMode(const CodeGenTarget &T,
                                                   const Record *R) {
   TypeSetByHwMode TypeSet;
-  RegClassByHwMode Helper(R, T.getHwModes(), T);
+  RegClassByHwMode Helper(R, T.getHwModes(), T.getRegBank());
 
   for (auto [ModeID, RegClass] : Helper) {
     ArrayRef<ValueTypeByHwMode> RegClassVTs = RegClass->getValueTypes();

llvm/utils/TableGen/Common/InfoByHwMode.cpp

@@ -188,14 +188,14 @@ void RegSizeInfoByHwMode::writeToStream(raw_ostream &OS) const {
 }
 
 RegClassByHwMode::RegClassByHwMode(const Record *R, const CodeGenHwModes &CGH,
-                                   const CodeGenTarget &Target) {
+                                   const CodeGenRegBank &RegBank) {
   const HwModeSelect &MS = CGH.getHwModeSelect(R);
 
   for (const HwModeSelect::PairType &P : MS.Items) {
     assert(P.second && P.second->isSubClassOf("RegisterClass") &&
            "Register class must subclass RegisterClass");
-    const CodeGenRegisterClass &RegClass = Target.getRegisterClass(P.second);
-    if (!Map.try_emplace(P.first, &RegClass).second)
+    const CodeGenRegisterClass *RegClass = RegBank.getRegClass(P.second);
+    if (!Map.try_emplace(P.first, RegClass).second)
       llvm_unreachable("duplicate entry");
   }
 }

llvm/utils/TableGen/Common/InfoByHwMode.h

@@ -28,8 +28,8 @@
 
 namespace llvm {
 
+class CodeGenRegBank;
 class CodeGenRegisterClass;
-class CodeGenTarget;
 class Record;
 class raw_ostream;
 
@@ -249,7 +249,7 @@ struct EncodingInfoByHwMode : public InfoByHwMode<const Record *> {
 struct RegClassByHwMode : public InfoByHwMode<const CodeGenRegisterClass *> {
 public:
   RegClassByHwMode(const Record *R, const CodeGenHwModes &CGH,
-                   const CodeGenTarget &Target);
+                   const CodeGenRegBank &RegBank);
   RegClassByHwMode() = default;
 };