3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
87     for (unsigned I = 0; I < NumXRegisters; ++I)  in operator |=()
89     for (unsigned I = 0; I < NumXRegisters; ++I)  in operator |=()
113   // Indexes corresponding to the forbidden x16, x17 and x30 registers are
115   reg_bitmask_t BLRThunks = 0;
116   reg_bitmask_t BLRAAZThunks = 0;
117   reg_bitmask_t BLRABZThunks = 0;
201   assert(Reg != AArch64::X16 && Reg != AArch64::X17 && Reg != AArch64::LR);  in indexOfXReg()
278 // which is 31 characters (without the '\0' character).
283     return formatv("{0}{1}x{2}", CommonNamePrefix, Kind.NameInfix, N);  in createThunkName()
286   return formatv("{0}{1}x{2}_x{3}", CommonNamePrefix, Kind.NameInfix, N, M);  in createThunkName()
332   const ThunkKind &Kind = std::get<0>(KindAndRegs);  in populateThunk()
347     assert(MF.size() == 0);  in populateThunk()
356   //      MOV x16, xN     ; BR* instructions are not compatible with "BTI c"  in populateThunk()
357   //                      ; branch target unless xN is x16 or x17.  in populateThunk()
358   //      BR* ...         ; One of: BR        x16  in populateThunk()
359   //                      ;         BRA(A|B)  x16, xM  in populateThunk()
360   //                      ;         BRA(A|B)Z x16  in populateThunk()
363   // MOV X16, Reg == ORR X16, XZR, Reg, LSL #0  in populateThunk()
364   BuildMI(Entry, DebugLoc(), TII->get(AArch64::ORRXrs), AArch64::X16)  in populateThunk()
367       .addImm(0);  in populateThunk()
369       BuildMI(Entry, DebugLoc(), TII->get(Kind.BROpcode)).addReg(AArch64::X16);  in populateThunk()
409   //   |  MOV x16, xN                |  in convertBLRToBL()
410   //   |  BR* x16 or BR* x16, xM     |  in convertBLRToBL()
417   // Since linkers are allowed to clobber X16 and X17 on function calls, the  in convertBLRToBL()
419   // X16 nor X17 as one of its operands. Code generation before must make sure  in convertBLRToBL()
429   Register Xn = BLR.getOperand(0).getReg();  in convertBLRToBL()
481   for (unsigned OpIdx = 0; OpIdx < NumRegOperands; ++OpIdx) {  in convertBLRToBL()
520 char AArch64SLSHardening::ID = 0;