diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
index b31520b17..d51ac8bc1 100644
--- a/llvm/include/llvm/TargetParser/Triple.h
+++ b/llvm/include/llvm/TargetParser/Triple.h
@@ -69,6 +69,7 @@ public:
     mips64,      // MIPS64: mips64, mips64r6, mipsn32, mipsn32r6
     mips64el,    // MIPS64EL: mips64el, mips64r6el, mipsn32el, mipsn32r6el
     mos,          // MOS: mos 65xx
+    w65816,       // WDC 65816: w65816 (Apple IIgs)
     msp430,      // MSP430: msp430
     ppc,         // PPC: powerpc
     ppcle,       // PPCLE: powerpc (little endian)