Start parsing register classes into a more structured form
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15961 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index 2d65b7b..9b338d8 100644
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -46,8 +46,10 @@
mutable std::map<std::string, CodeGenInstruction> Instructions;
mutable std::vector<CodeGenRegister> Registers;
- void ReadInstructions() const;
+ mutable std::vector<CodeGenRegisterClass> RegisterClasses;
void ReadRegisters() const;
+ void ReadRegisterClasses() const;
+ void ReadInstructions() const;
public:
CodeGenTarget();
@@ -73,6 +75,12 @@
return Registers;
}
+ const std::vector<CodeGenRegisterClass> getRegisterClasses() {
+ if (RegisterClasses.empty()) ReadRegisterClasses();
+ return RegisterClasses;
+ }
+
+
/// getInstructions - Return all of the instructions defined for this target.
///
const std::map<std::string, CodeGenInstruction> &getInstructions() const {