Index: lib/Driver/SanitizerArgs.cpp
===================================================================
--- lib/Driver/SanitizerArgs.cpp
+++ lib/Driver/SanitizerArgs.cpp
@@ -122,15 +122,19 @@
   bool IsLinux = TC.getTriple().getOS() == llvm::Triple::Linux;
   bool IsX86 = TC.getTriple().getArch() == llvm::Triple::x86;
   bool IsX86_64 = TC.getTriple().getArch() == llvm::Triple::x86_64;
+  bool IsMIPS32 = TC.getTriple().getArch() == llvm::Triple::mips ||
+                  TC.getTriple().getArch() == llvm::Triple::mipsel;
+  bool IsMIPS64 = TC.getTriple().getArch() == llvm::Triple::mips64 ||
+                  TC.getTriple().getArch() == llvm::Triple::mips64el;
 
   unsigned Unsupported = 0;
-  if (!(IsLinux && IsX86_64)) {
+  if (!(IsLinux && (IsX86_64 || IsMIPS64))) {
     Unsupported |= Memory | DataFlow;
   }
-  if (!((IsLinux || IsFreeBSD) && IsX86_64)) {
+  if (!((IsLinux || IsFreeBSD) && (IsX86_64 || IsMIPS64))) {
     Unsupported |= Thread;
   }
-  if (!(IsLinux && (IsX86 || IsX86_64))) {
+  if (!(IsLinux && (IsX86 || IsX86_64 || IsMIPS32 || IsMIPS64))) {
     Unsupported |= Function;
   }
   return Unsupported;