Mark hvc, smc and svc as call. (capstone-engine#76)

Author: Rot127

llvm/lib/Target/AArch64/AArch64InstrInfo.td

@@ -2917,9 +2917,11 @@ def DCPS1 : ExceptionGeneration<0b101, 0b01, "dcps1">;
 def DCPS2 : ExceptionGeneration<0b101, 0b10, "dcps2">;
 def DCPS3 : ExceptionGeneration<0b101, 0b11, "dcps3">, Requires<[HasEL3]>;
 def HLT   : ExceptionGeneration<0b010, 0b00, "hlt">;
+let isCall = 1 in {
 def HVC   : ExceptionGeneration<0b000, 0b10, "hvc">;
 def SMC   : ExceptionGeneration<0b000, 0b11, "smc">, Requires<[HasEL3]>;
 def SVC   : ExceptionGeneration<0b000, 0b01, "svc">;
+}
 
 // DCPSn defaults to an immediate operand of zero if unspecified.
 def : InstAlias<"dcps1", (DCPS1 0)>;