[llvm] [DAG][X86] Bitfield insertion can combine into SHL + SHRD (PR #220182)

[via llvm-commits]

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@@ -1,6 +1,9 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefixes=X64
 ; RUN: llc < %s -mtriple=x86_64-- -mattr=+slow-shld | FileCheck %s --check-prefixes=X64-SLOW
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2 | FileCheck %s --check-prefixes=X64-AVX2
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx512f,+avx512bw,+avx512vl | FileCheck %s --check-prefixes=X64-AVX512
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx512vbmi2,+avx512vl | FileCheck %s --check-prefixes=X64-AVX512-BMI2
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Andarwinux wrote:

X64-AVX512-VBMI2?

https://github.com/llvm/llvm-project/pull/220182