[RISCV] Make getMinRVVVectorSizeInBits and getMaxRVVVectorSizeInBits protected [nfc]

These are now only used in the implementation of getRealMinVLen and getRealMaxVLEn, and useRVVForFixedLengthVectors; make them protected to discourage new users.

diff --git a/llvm/lib/Target/RISCV/RISCVSubtarget.h b/llvm/lib/Target/RISCV/RISCVSubtarget.h
index e8dc9b3..e5c347d 100644 (file)
--- a/llvm/lib/Target/RISCV/RISCVSubtarget.h
+++ b/llvm/lib/Target/RISCV/RISCVSubtarget.h
@@ -240,6 +240,13 @@ protected:
   std::unique_ptr<LegalizerInfo> Legalizer;
   std::unique_ptr<RegisterBankInfo> RegBankInfo;
 
+  // Return the known range for the bit length of RVV data registers as set
+  // at the command line. A value of 0 means nothing is known about that particular
+  // limit beyond what's implied by the architecture.
+  // NOTE: Please use getRealMinVLen and getRealMaxVLen instead!
+  unsigned getMaxRVVVectorSizeInBits() const;
+  unsigned getMinRVVVectorSizeInBits() const;
+
 public:
   const CallLowering *getCallLowering() const override;
   InstructionSelector *getInstructionSelector() const override;
@@ -252,11 +259,6 @@ public:
   // pool if exceeded.
   unsigned getMaxBuildIntsCost() const;
 
-  // Return the known range for the bit length of RVV data registers. A value
-  // of 0 means nothing is known about that particular limit beyond what's
-  // implied by the architecture.
-  unsigned getMaxRVVVectorSizeInBits() const;
-  unsigned getMinRVVVectorSizeInBits() const;
   unsigned getMaxLMULForFixedLengthVectors() const;
   bool useRVVForFixedLengthVectors() const;