[X86] Compute the known bits for VPMADD52L/VPMADD52H in SimplifyDemandedBitsForTargetNode#156847

XChy merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

XChy:perf/simplify-knownbits-VPMADD52XChy/llvm-project:perf/simplify-knownbits-VPMADD52Copy head branch name to clipboard