[llvm] [bolt][aarch64] simplify rodata/literal load for X86 & AArch64 (PR #165723)

[YongKang Zhu via llvm-commits]

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@@ -1477,6 +1477,24 @@ class X86MCPlusBuilder : public MCPlusBuilder {
     return true;
   }
 
+  InstructionListType materializeConstant(const MCInst &Inst,
+                                          StringRef ConstantData,
+                                          uint64_t Offset) const override {
+    InstructionListType Instrs;
+    MCInst InstCopy = Inst;
+
+    if (!replaceMemOperandWithImm(InstCopy, ConstantData, Offset))
+      return InstructionListType{};
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yozhu wrote:

nit: `return Instrs`

https://github.com/llvm/llvm-project/pull/165723