[X86] Fold vpmadd52h/l for pattern X * 0 + Y --> Y#156086

XChy merged 4 commits intollvm:mainllvm/llvm-project:mainfrom

XChy:perf/fold-VPMADD52-mul-zeroXChy/llvm-project:perf/fold-VPMADD52-mul-zeroCopy head branch name to clipboard