[AMDGPU][NFC] Rename IEEEMinMax to IEEEMinMaxInsts

Also remove unused hasIEEEMinMax3 which is replaced with
hasMinimum3Maximum3F32 and hasMinimum3Maximum3F16

Author: mbrkusanin

llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp

@@ -2095,7 +2095,7 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
        G_SADDO, G_SSUBO})
       .lower();
 
-  if (ST.hasIEEEMinMax()) {
+  if (ST.hasIEEEMinMaxInsts()) {
     getActionDefinitionsBuilder({G_FMINIMUM, G_FMAXIMUM})
         .legalFor(FPTypesPK16)
         .clampMaxNumElements(0, S16, 2)

llvm/lib/Target/AMDGPU/GCNSubtarget.h

@@ -1447,10 +1447,7 @@ class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
   bool hasIEEEMode() const { return getGeneration() < GFX12; }
 
   // \returns true if the target has IEEE fminimum/fmaximum instructions
-  bool hasIEEEMinMax() const { return getGeneration() >= GFX12; }
-
-  // \returns true if the target has IEEE fminimum3/fmaximum3 instructions
-  bool hasIEEEMinMax3() const { return hasIEEEMinMax(); }
+  bool hasIEEEMinMaxInsts() const { return getGeneration() >= GFX12; }
 
   // \returns true if the target has WG_RR_MODE kernel descriptor mode bit
   bool hasRrWGMode() const { return getGeneration() >= GFX12; }

llvm/lib/Target/AMDGPU/SIISelLowering.cpp

@@ -877,7 +877,7 @@ SITargetLowering::SITargetLowering(const TargetMachine &TM,
   if (Subtarget->hasPrefetch() && Subtarget->hasSafeSmemPrefetch())
     setOperationAction(ISD::PREFETCH, MVT::Other, Custom);
 
-  if (Subtarget->hasIEEEMinMax()) {
+  if (Subtarget->hasIEEEMinMaxInsts()) {
     setOperationAction({ISD::FMAXIMUM, ISD::FMINIMUM},
                        {MVT::f16, MVT::f32, MVT::f64, MVT::v2f16}, Legal);
   } else {
@@ -7023,7 +7023,8 @@ SDValue SITargetLowering::lowerFMINIMUM_FMAXIMUM(SDValue Op,
   if (VT.isVector())
     return splitBinaryVectorOp(Op, DAG);
 
-  assert(!Subtarget->hasIEEEMinMax() && !Subtarget->hasMinimum3Maximum3F16() &&
+  assert(!Subtarget->hasIEEEMinMaxInsts() &&
+         !Subtarget->hasMinimum3Maximum3F16() &&
          Subtarget->hasMinimum3Maximum3PKF16() && VT == MVT::f16 &&
          "should not need to widen f16 minimum/maximum to v2f16");