LLVM patch: Fix crash when FREEZE a half(f16) type on loongarch

upstream patch: llvm/llvm-project#107791

Author: andrewrk

llvm/lib/Target/LoongArch/LoongArchISelLowering.h

@@ -332,6 +332,8 @@ class LoongArchTargetLowering : public TargetLowering {
   bool isEligibleForTailCallOptimization(
       CCState &CCInfo, CallLoweringInfo &CLI, MachineFunction &MF,
       const SmallVectorImpl<CCValAssign> &ArgLocs) const;
+
+  bool softPromoteHalfType() const override { return true; }
 };
 
 } // end namespace llvm