[all-commits] [llvm/llvm-project] 744c00: [AArch64][CodeGen] Fix crash when fptrunc returns ...

[Nashe Mncube via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 744c0057e7dc0d1d046a4867cece2f31fee9bb23
      https://github.com/llvm/llvm-project/commit/744c0057e7dc0d1d046a4867cece2f31fee9bb23
  Author: Nashe Mncube <nashe.mncube at arm.com>
  Date:   2024-02-22 (Thu, 22 Feb 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    A llvm/test/CodeGen/AArch64/16bit-float-promotion-with-nofp.ll
    M llvm/test/CodeGen/AArch64/strictfp_f16_abi_promote.ll

  Log Message:
  -----------
  [AArch64][CodeGen] Fix crash when fptrunc returns fp16 with +nofp attr (#81724)

When performing lowering of the fptrunc opcode returning fp16 with the
+nofp flag enabled we could trigger a compiler crash. This is because we
had no custom lowering implemented. This patch 
the case in which we need to promote an fp16 return type
for fptrunc when the +nofp attr is enabled.



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