Index: include/clang/Basic/Attr.td
===================================================================
--- include/clang/Basic/Attr.td
+++ include/clang/Basic/Attr.td
@@ -254,7 +254,7 @@
   list<string> OSes;
   list<string> CXXABIs;
 }
-def TargetARM : TargetArch<["arm", "thumb"]>;
+def TargetARM : TargetArch<["arm", "thumb", "armeb", "thumbeb"]>;
 def TargetMips : TargetArch<["mips", "mipsel"]>;
 def TargetMSP430 : TargetArch<["msp430"]>;
 def TargetX86 : TargetArch<["x86"]>;
Index: test/Sema/arm-interrupt-attr.c
===================================================================
--- test/Sema/arm-interrupt-attr.c
+++ test/Sema/arm-interrupt-attr.c
@@ -1,4 +1,7 @@
 // RUN: %clang_cc1 %s -triple arm-apple-darwin -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple thumb-apple-darwin -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple armeb-none-eabi -verify -fsyntax-only
+// RUN: %clang_cc1 %s -triple thumbeb-none-eabi -verify -fsyntax-only
 
 __attribute__((interrupt(IRQ))) void foo() {} // expected-error {{'interrupt' attribute requires a string}}
 __attribute__((interrupt("irq"))) void foo1() {} // expected-warning {{'interrupt' attribute argument not supported: irq}}