1 files changed, 2 insertions, 4 deletions
diff --git a/llvm/lib/Target/NVPTX/NVPTXMCExpr.cpp b/llvm/lib/Target/NVPTX/NVPTXMCExpr.cpp
index 86a28f7d070..a754a6a36da 100644
--- a/llvm/lib/Target/NVPTX/NVPTXMCExpr.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXMCExpr.cpp
@@ -11,6 +11,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/Support/Format.h"
 using namespace llvm;
 
 #define DEBUG_TYPE "nvptx-mcexpr"
@@ -47,10 +48,7 @@ void NVPTXFloatMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
   }
 
   APInt API = APF.bitcastToAPInt();
-  std::string HexStr(utohexstr(API.getZExtValue()));
-  if (HexStr.length() < NumHex)
-    OS << std::string(NumHex - HexStr.length(), '0');
-  OS << utohexstr(API.getZExtValue());
+  OS << format_hex_no_prefix(API.getZExtValue(), NumHex, /*Upper=*/true);
 }
 
 const NVPTXGenericMCSymbolRefExpr*