diff --git a/lib/Target/X86/FloatingPoint.cpp b/lib/Target/X86/FloatingPoint.cpp
index 779b76dfe8d..f37b65fe058 100644
--- a/lib/Target/X86/FloatingPoint.cpp
+++ b/lib/Target/X86/FloatingPoint.cpp
@@ -5,6 +5,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#define DEBUG_TYPE "fp"
 #include "X86.h"
 #include "X86InstrInfo.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index cb38af65e26..41289540ce1 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -5,6 +5,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#define DEBUG_TYPE "jit"
 #include "X86TargetMachine.h"
 #include "X86.h"
 #include "llvm/PassManager.h"
diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index 779b76dfe8d..f37b65fe058 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -5,6 +5,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#define DEBUG_TYPE "fp"
 #include "X86.h"
 #include "X86InstrInfo.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"