[llvm] [X86] X86TargetLowering::computeKnownBitsForTargetNode - add X86ISD::VPMADD52L\H handling - again (PR #159230)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,138 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx512ifma,+avx512vl | FileCheck %s --check-prefixes=AVX512VL
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RKSimon wrote:

we should add avxifma support, even if it means we drop the 512-bit test coverage

https://github.com/llvm/llvm-project/pull/159230