remove unused patterns

Author: Lukacma

llvm/lib/Target/AArch64/AArch64InstrInfo.td

@@ -6609,25 +6609,11 @@ multiclass FPToIntegerSatPats<SDNode to_int_sat, SDNode to_int_sat_gi, string IN
             (!cast<Instruction>(INST # DSr) f32:$Rn)>;
   def : Pat<(f32 (bitconvert (i32 (to_int_sat f64:$Rn, i32)))),
             (!cast<Instruction>(INST # SDr) f64:$Rn)>;
-
-  def : Pat<(f32 (bitconvert (i32 (to_int_sat_gi f16:$Rn)))),
-            (!cast<Instruction>(INST # SHr) f16:$Rn)>;
-  def : Pat<(f64 (bitconvert (i64 (to_int_sat_gi f16:$Rn)))),
-            (!cast<Instruction>(INST # DHr) f16:$Rn)>;
-  def : Pat<(f64 (bitconvert (i64 (to_int_sat_gi f32:$Rn)))),
-            (!cast<Instruction>(INST # DSr) f32:$Rn)>;
-  def : Pat<(f32 (bitconvert (i32 (to_int_sat_gi f64:$Rn)))),
-            (!cast<Instruction>(INST # SDr) f64:$Rn)>;
   }
   def : Pat<(f32 (bitconvert (i32 (to_int_sat f32:$Rn, i32)))),
             (!cast<Instruction>(INST # v1i32) f32:$Rn)>;
   def : Pat<(f64 (bitconvert (i64 (to_int_sat f64:$Rn, i64)))),
             (!cast<Instruction>(INST # v1i64) f64:$Rn)>;
-            
-  def : Pat<(f32 (bitconvert (i32 (to_int_sat_gi f32:$Rn)))),
-            (!cast<Instruction>(INST # v1i32) f32:$Rn)>;
-  def : Pat<(f64 (bitconvert (i64 (to_int_sat_gi f64:$Rn)))),
-            (!cast<Instruction>(INST # v1i64) f64:$Rn)>;
 
   let Predicates = [HasFullFP16] in {
   def : Pat<(i32 (to_int_sat (fmul f16:$Rn, fixedpoint_f16_i32:$scale), i32)),
@@ -6673,19 +6659,6 @@ multiclass FPToIntegerPats<SDNode to_int, SDNode to_int_sat, SDNode round, strin
   def : Pat<(i64 (to_int (round f64:$Rn))),
             (!cast<Instruction>(INST # UXDr) f64:$Rn)>;
 
-  // For global-isel we can use register classes to determine
-  // which FCVT instruction to use.
-  def : Pat<(i32 (to_int (round f32:$Rn))),
-            (!cast<Instruction>(INST # v1i32) f32:$Rn)>;
-  let Predicates = [HasFPRCVT] in {
-  def : Pat<(i64 (to_int (round f32:$Rn))),
-            (!cast<Instruction>(INST # DSr) f32:$Rn)>;
-  def : Pat<(i32 (to_int (round f64:$Rn))),
-            (!cast<Instruction>(INST # SDr) f64:$Rn)>;
-  }
-  def : Pat<(i64 (to_int (round f64:$Rn))),
-            (!cast<Instruction>(INST # v1i64) f64:$Rn)>;
-  
   let Predicates = [HasFPRCVT] in {
   def : Pat<(f64 (bitconvert (i64 (to_int (round f32:$Rn))))),
             (!cast<Instruction>(INST # DSr) f32:$Rn)>;