[llvm] [BOLT][AArch64]support `inline-small-functions` for AArch64 (PR #120187)

[Alexey Moksyakov via llvm-commits]

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@@ -133,6 +133,35 @@ class AArch64MCPlusBuilder : public MCPlusBuilder {
 public:
   using MCPlusBuilder::MCPlusBuilder;
 
+  MCPhysReg getStackPointer() const override { return AArch64::SP; }
+
+  bool isPush(const MCInst &Inst) const override { return false; }
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yavtuk wrote:

here should be functionality for checking isStoreToStack, where you need to check all store instructions

https://github.com/llvm/llvm-project/pull/120187