-syn keyword llvmKeyword returns_twice section seq_cst sideeffect signext
-syn keyword llvmKeyword singlethread spir_func spir_kernel sret ssp sspreq
-syn keyword llvmKeyword sspstrong tail target thread_local to triple
-syn keyword llvmKeyword unnamed_addr unordered uwtable volatile weak weak_odr
-syn keyword llvmKeyword x86_fastcallcc x86_stdcallcc x86_thiscallcc zeroext
+syn keyword llvmKeyword returns_twice sanitize_thread sanitize_memory
+syn keyword llvmKeyword section seq_cst sideeffect signext singlethread
+syn keyword llvmKeyword spir_func spir_kernel sret ssp sspreq sspstrong
+syn keyword llvmKeyword tail target thread_local to triple unnamed_addr
+syn keyword llvmKeyword unordered uwtable volatile weak weak_odr
+syn keyword llvmKeyword x86_fastcallcc x86_stdcallcc x86_thiscallcc x86_64_sysvcc
+syn keyword llvmKeyword x86_64_win64cc zeroext