Index: include/llvm/ADT/Triple.h
===================================================================
--- include/llvm/ADT/Triple.h
+++ include/llvm/ADT/Triple.h
@@ -55,10 +55,10 @@
     bpfel,          // eBPF or extended BPF or 64-bit BPF (little endian)
     bpfeb,          // eBPF or extended BPF or 64-bit BPF (big endian)
     hexagon,        // Hexagon: hexagon
-    mips,           // MIPS: mips, mipsallegrex
-    mipsel,         // MIPSEL: mipsel, mipsallegrexel
-    mips64,         // MIPS64: mips64
-    mips64el,       // MIPS64EL: mips64el
+    mips,           // MIPS: mips, mipsallegrex, mipsr6
+    mipsel,         // MIPSEL: mipsel, mipsallegrexe, mipsr6el
+    mips64,         // MIPS64: mips64, mips64r6, mipsn32, mipsn32r6
+    mips64el,       // MIPS64EL: mips64el, mips64r6el, mipsn32el, mipsn32r6el
     msp430,         // MSP430: msp430
     nios2,          // NIOSII: nios2
     ppc,            // PPC: powerpc
@@ -125,7 +125,9 @@
 
     KalimbaSubArch_v3,
     KalimbaSubArch_v4,
-    KalimbaSubArch_v5
+    KalimbaSubArch_v5,
+
+    MipsSubArch_r6
   };
   enum VendorType {
     UnknownVendor,
Index: lib/Support/Triple.cpp
===================================================================
--- lib/Support/Triple.cpp
+++ lib/Support/Triple.cpp
@@ -398,10 +398,14 @@
     .Case("thumbeb", Triple::thumbeb)
     .Case("avr", Triple::avr)
     .Case("msp430", Triple::msp430)
-    .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
-    .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
-    .Cases("mips64", "mips64eb", Triple::mips64)
-    .Case("mips64el", Triple::mips64el)
+    .Cases("mips", "mipseb", "mipsallegrex", "mipsisa32r6",
+           "mipsr6", Triple::mips)
+    .Cases("mipsel", "mipsallegrexel", "mipsisa32r6el", "mipsr6el",
+           Triple::mipsel)
+    .Cases("mips64", "mips64eb", "mipsn32", "mipsisa64r6",
+           "mips64r6", "mipsn32r6", Triple::mips64)
+    .Cases("mips64el", "mipsn32el", "mipsisa64r6el", "mips64r6el",
+           "mipsn32r6el", Triple::mips64el)
     .Case("nios2", Triple::nios2)
     .Case("r600", Triple::r600)
     .Case("amdgcn", Triple::amdgcn)
@@ -538,6 +542,12 @@
 }
 
 static Triple::SubArchType parseSubArch(StringRef SubArchName) {
+  if (SubArchName.startswith("mipsisa32r6") ||
+      SubArchName.startswith("mipsisa64r6") ||
+      (SubArchName.startswith("mips") &&
+       (SubArchName.endswith("r6el") || SubArchName.endswith("r6"))))
+    return Triple::MipsSubArch_r6;
+
   StringRef ARMSubArch = ARM::getCanonicalArchName(SubArchName);
 
   // For now, this is the small part. Early return.
@@ -709,6 +719,12 @@
           ObjectFormat = parseFormat(Components[3]);
         }
       }
+    } else {
+      Environment = StringSwitch<Triple::EnvironmentType>(Components[0])
+                        .StartsWith("mipsn32", Triple::GNUABIN32)
+                        .StartsWith("mips64", Triple::GNUABI64)
+                        .StartsWith("mipsisa64", Triple::GNUABI64)
+                        .Default(UnknownEnvironment);
     }
   }
   if (ObjectFormat == UnknownObjectFormat)