[llvm] [X86][CodeGen] Support folding memory broadcast in X86InstrInfo::foldMemoryOperandImpl (PR #79761)

[Shengchen Kan via llvm-commits]

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@@ -44,14 +44,20 @@ const X86FoldTableEntry *lookupTwoAddrFoldTable(unsigned RegOp);
 // operand OpNum.
 const X86FoldTableEntry *lookupFoldTable(unsigned RegOp, unsigned OpNum);
 
+// Look up the broadcast folding table entry for folding a broadcast with
+// operand OpNum.
+const X86FoldTableEntry *lookupBroadcastFoldTable(unsigned RegOp,
+                                                  unsigned OpNum);
+
 // Look up the memory unfolding table entry for this instruction.
 const X86FoldTableEntry *lookupUnfoldTable(unsigned MemOp);
 
 // Look up the broadcast folding table entry for this instruction from
 // the regular memory instruction.
-const X86FoldTableEntry *lookupBroadcastFoldTable(unsigned MemOp,
+const X86FoldTableEntry *lookupBroadcastFoldTableBySize(unsigned MemOp,
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KanRobert wrote:

Good suggestion. Done cfb702676cc181877482a282fe7e07109a24dc9d

https://github.com/llvm/llvm-project/pull/79761