[llvm] [X86][SDAG] Improve the lowering of `s|uitofp i8|i16 to half` (PR #70834)

[via llvm-commits]

================
@@ -0,0 +1,319 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
+; RUN: llc -o - %s -mtriple=x86_64-unknown-unknown -mcpu=cascadelake | FileCheck %s --check-prefixes=CHECK-NO_FP16
+; RUN: llc -o - %s -mtriple=x86_64-unknown-unknown -mcpu=cascadelake -mattr=+avx512fp16 | FileCheck %s --check-prefixes=CHECK-WITH_FP16
----------------
qcolombet wrote:

Done!

https://github.com/llvm/llvm-project/pull/70834