[llvm] [CGData][GlobalIsel][Legalizer][DAG][MC][AsmParser][X86][AMX] Use `std::move` to avoid copy (PR #118068)

[Craig Topper via llvm-commits]

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@@ -6823,8 +6823,8 @@ SDValue SelectionDAG::FoldConstantArithmetic(unsigned Opcode, const SDLoc &DL,
             ScalarOps.push_back(getUNDEF(OpVT));
             continue;
           }
-          APInt Val = cast<ConstantSDNode>(Op)->getAPIntValue();
-          ScalarOps.push_back(SignExtendInReg(Val, OpVT));
+          const APInt &Val = cast<ConstantSDNode>(Op)->getAPIntValue();
+          ScalarOps.push_back(SignExtendInReg(std::move(Val), OpVT));
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topperc wrote:

I don't think you need the std::move now.

https://github.com/llvm/llvm-project/pull/118068