[PATCH] D148089: [clang][CodeGen] Break up TargetInfo.cpp [1/6]

[Sergei Barannikov via Phabricator via cfe-commits]

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`CCState` is a helper class originally used by the x86 implementation
but has since been abused by other implementations.
Remove this dependency by implementing customized versions of the class
for implementations that need such functionality.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148089

Files:
  clang/lib/CodeGen/TargetInfo.cpp


Index: clang/lib/CodeGen/TargetInfo.cpp
===================================================================
--- clang/lib/CodeGen/TargetInfo.cpp
+++ clang/lib/CodeGen/TargetInfo.cpp
@@ -9071,13 +9071,17 @@
 
 namespace {
 class LanaiABIInfo : public DefaultABIInfo {
+  struct CCState {
+    unsigned FreeRegs;
+  };
+
 public:
   LanaiABIInfo(CodeGen::CodeGenTypes &CGT) : DefaultABIInfo(CGT) {}
 
   bool shouldUseInReg(QualType Ty, CCState &State) const;
 
   void computeInfo(CGFunctionInfo &FI) const override {
-    CCState State(FI);
+    CCState State;
     // Lanai uses 4 registers to pass arguments unless the function has the
     // regparm attribute set.
     if (FI.getHasRegParm()) {
@@ -10092,6 +10096,10 @@
 namespace {
 
 class ARCABIInfo : public DefaultABIInfo {
+  struct CCState {
+    unsigned FreeRegs;
+  };
+
 public:
   using DefaultABIInfo::DefaultABIInfo;
 
@@ -10114,7 +10122,7 @@
   }
 
   void computeInfo(CGFunctionInfo &FI) const override {
-    CCState State(FI);
+    CCState State;
     // ARC uses 8 registers to pass arguments.
     State.FreeRegs = 8;
 


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