[llvm] [Hexagon] Add KCFI support for forward-edge control flow integrity (PR #191746)

[Brian Cain via llvm-commits]

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@@ -976,6 +976,115 @@ void HexagonAsmPrinter::LowerPATCHABLE_EVENT_CALL(const MachineInstr &MI,
              Typed ? SledKind::TYPED_EVENT : SledKind::CUSTOM_EVENT, 2);
 }
 
+void HexagonAsmPrinter::LowerKCFI_CHECK(const MachineInstr &MI) {
+  Register AddrReg = MI.getOperand(0).getReg();
+  const int64_t Type = MI.getOperand(1).getImm();
+  MachineBasicBlock::const_instr_iterator NextI = std::next(MI.getIterator());
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androm3da wrote:

#205491

https://github.com/llvm/llvm-project/pull/191746