[AMDGPU] Remove unused methods. NFC.

Author: jayfoad

llvm/lib/Target/AMDGPU/AMDGPUSubtarget.h

@@ -912,30 +912,6 @@ class GCNSubtarget : public AMDGPUGenSubtargetInfo,
   void setScalarizeGlobalBehavior(bool b) { ScalarizeGlobal = b; }
   bool getScalarizeGlobalBehavior() const { return ScalarizeGlobal; }
 
-  /// \returns Number of execution units per compute unit supported by the
-  /// subtarget.
-  unsigned getEUsPerCU() const {
-    return AMDGPU::IsaInfo::getEUsPerCU(this);
-  }
-
-  /// \returns Maximum number of waves per compute unit supported by the
-  /// subtarget without any kind of limitation.
-  unsigned getMaxWavesPerCU() const {
-    return AMDGPU::IsaInfo::getMaxWavesPerCU(this);
-  }
-
-  /// \returns Maximum number of waves per compute unit supported by the
-  /// subtarget and limited by given \p FlatWorkGroupSize.
-  unsigned getMaxWavesPerCU(unsigned FlatWorkGroupSize) const {
-    return AMDGPU::IsaInfo::getMaxWavesPerCU(this, FlatWorkGroupSize);
-  }
-
-  /// \returns Number of waves per work group supported by the subtarget and
-  /// limited by given \p FlatWorkGroupSize.
-  unsigned getWavesPerWorkGroup(unsigned FlatWorkGroupSize) const {
-    return AMDGPU::IsaInfo::getWavesPerWorkGroup(this, FlatWorkGroupSize);
-  }
-
   // static wrappers
   static bool hasHalfRate64Ops(const TargetSubtargetInfo &STI);
 

llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp

@@ -283,10 +283,6 @@ unsigned getMaxWorkGroupsPerCU(const MCSubtargetInfo *STI,
   return std::min(N, 16u);
 }
 
-unsigned getMaxWavesPerCU(const MCSubtargetInfo *STI) {
-  return getMaxWavesPerEU(STI) * getEUsPerCU(STI);
-}
-
 unsigned getMaxWavesPerCU(const MCSubtargetInfo *STI,
                           unsigned FlatWorkGroupSize) {
   return getWavesPerWorkGroup(STI, FlatWorkGroupSize);

llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h

@@ -87,10 +87,6 @@ unsigned getEUsPerCU(const MCSubtargetInfo *STI);
 unsigned getMaxWorkGroupsPerCU(const MCSubtargetInfo *STI,
                                unsigned FlatWorkGroupSize);
 
-/// \returns Maximum number of waves per compute unit for given subtarget \p
-/// STI without any kind of limitation.
-unsigned getMaxWavesPerCU(const MCSubtargetInfo *STI);
-
 /// \returns Maximum number of waves per compute unit for given subtarget \p
 /// STI and limited by given \p FlatWorkGroupSize.
 unsigned getMaxWavesPerCU(const MCSubtargetInfo *STI,