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

upstream patch: llvm/llvm-project#107791

Author: andrewrk

README.md

@@ -24,6 +24,7 @@ For other versions, check the git tags of this repository.
  * LLD: Added additional include directory to Zig's libunwind.
  * LLD: Respect `LLD_BUILD_TOOLS=OFF`
  * zlib: Delete the ability to build a shared library.
+ * [LLVM: Fix crash when FREEZE a half(f16) type on loongarch](https://github.com/llvm/llvm-project/pull/107791)
 
 ## Host System Dependencies
 

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