Update uint_to_half.ll

Author: abhishek-kaushik22

llvm/test/CodeGen/X86/uint_to_half.ll

@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx,+f16c | FileCheck %s -check-prefixes=AVX,AVX1
-; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2,+f16c | FileCheck %s -check-prefixes=AVX,AVX2
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx,+f16c | FileCheck %s -check-prefixes=AVX1
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2,+f16c | FileCheck %s -check-prefixes=AVX2
 ; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx512vl | FileCheck %s -check-prefixes=AVX512
 
 define <8 x half> @test_uitofp_v8i32_v8f16(<8 x i32> %a) {
@@ -196,5 +196,3 @@ define <16 x half> @test_strict_uitofp_v16i32_v16f16(<16 x i32> %a) {
   %vec = tail call <16 x half> @llvm.experimental.constrained.uitofp.f16.i32(<16 x i32> %a, metadata !"round.dynamic", metadata !"fpexcept.strict")
   ret <16 x half> %vec
 }
-;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
-; AVX: {{.*}}