AMDGPU: Remove unused helpers

Author: Nicholas-Baron

llvm/lib/Target/AMDGPU/GCNSubtarget.cpp

@@ -567,12 +567,6 @@ unsigned GCNSubtarget::getMaxNumVGPRs(const Function &F) const {
           getMaxNumVGPRs(Waves.first, DynamicVGPRBlockSize)});
 }
 
-unsigned GCNSubtarget::getMaxNumAGPRs(const Function &F, unsigned ArchVGPRs,
-                                      unsigned WavesPerEU) const {
-  assert(WavesPerEU > 0);
-  return (getTotalNumVGPRs() - ArchVGPRs) / WavesPerEU;
-}
-
 unsigned GCNSubtarget::getMaxNumVGPRs(const MachineFunction &MF) const {
   return getMaxNumVGPRs(MF.getFunction());
 }

llvm/lib/Target/AMDGPU/GCNSubtarget.h

@@ -1722,9 +1722,6 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
   /// unit requirement.
   unsigned getMaxNumVGPRs(const Function &F) const;
 
-  unsigned getMaxNumAGPRs(const Function &F, unsigned ArchVGPRs,
-                          unsigned WavesPerEU) const;
-
   unsigned getMaxNumAGPRs(unsigned WavesPerEU) const {
     return AMDGPU::IsaInfo::getMaxNumAGPRs(this, WavesPerEU);
   }
@@ -1743,11 +1740,6 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
   /// unit requirement.
   unsigned getMaxNumVGPRs(const MachineFunction &MF) const;
 
-  unsigned getMaxNumAGPRs(const MachineFunction &MF, unsigned ArchVGPRs,
-                          unsigned WavesPerEU) const {
-    return getMaxNumAGPRs(MF.getFunction(), ArchVGPRs, WavesPerEU);
-  }
-
   bool supportsWave32() const { return getGeneration() >= GFX10; }
 
   bool supportsWave64() const { return !hasGFX1250Insts(); }