2 files changed, 15 insertions, 0 deletions
diff --git a/lib/MC/MCDisassembler/Disassembler.cpp b/lib/MC/MCDisassembler/Disassembler.cpp
index 363518966e..d10f543ae0 100644
--- a/lib/MC/MCDisassembler/Disassembler.cpp
+++ b/lib/MC/MCDisassembler/Disassembler.cpp
@@ -182,5 +182,11 @@ int LLVMSetDisasmOptions(LLVMDisasmContextRef DCR, uint64_t Options){
       IP->setUseMarkup(1);
       Options &= ~LLVMDisassembler_Option_UseMarkup;
   }
+  if (Options & LLVMDisassembler_Option_PrintImmHex){
+      LLVMDisasmContext *DC = (LLVMDisasmContext *)DCR;
+      MCInstPrinter *IP = DC->getIP();
+      IP->setPrintImmHex(1);
+      Options &= ~LLVMDisassembler_Option_PrintImmHex;
+  }
   return (Options == 0);
 }
diff --git a/lib/MC/MCInstPrinter.cpp b/lib/MC/MCInstPrinter.cpp
index 83d0dd3558..7efb3f0ef3 100644
--- a/lib/MC/MCInstPrinter.cpp
+++ b/lib/MC/MCInstPrinter.cpp
@@ -12,6 +12,7 @@
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
@@ -50,3 +51,11 @@ StringRef MCInstPrinter::markup(StringRef a, StringRef b) const {
   else
     return b;
 }
+
+/// Utility function to print immediates in decimal or hex.
+format_object1<int64_t> MCInstPrinter::formatImm(const int64_t Value) const {
+  if (getPrintImmHex())
+    return format("0x%llx", Value);
+  else
+    return format("%lld", Value);
+}