diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -53,6 +53,8 @@
 
 using namespace llvm;
 
+#define DEBUG_TYPE "aarch64-instr-info"
+
 #define GET_INSTRINFO_CTOR_DTOR
 #include "AArch64GenInstrInfo.inc"