Index: llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
===================================================================
--- llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
+++ llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -74,8 +74,9 @@
   if (AFI->isThumbFunction()) {
     OutStreamer->EmitAssemblerFlag(MCAF_Code16);
     OutStreamer->EmitThumbFunc(CurrentFnSym);
+  } else {
+    OutStreamer->EmitAssemblerFlag(MCAF_Code32);
   }
-
   OutStreamer->EmitLabel(CurrentFnSym);
 }
 
Index: llvm/trunk/test/CodeGen/ARM/interwork.ll
===================================================================
--- llvm/trunk/test/CodeGen/ARM/interwork.ll
+++ llvm/trunk/test/CodeGen/ARM/interwork.ll
@@ -0,0 +1,23 @@
+; One file may have multiple functions targeted at different (ARM, Thumb)
+; instruction sets. Passing this information to the linker and the assembler
+; is done through the ".code 16" and ".code 32" directives.
+;
+; RUN: llc -mtriple=arm-arm-none-eabi %s -o - | FileCheck %s
+
+define void @ft() #0 {
+; CHECK: .code 16
+; CHECK: .thumb_func
+; CHECK-LABEL: ft:
+entry:
+  ret void
+}
+
+define void @fz() #1 {
+; CHECK: .code 32
+; CHECK-LABEL: fz:
+entry:
+  ret void
+}
+
+attributes #0 = { "target-features"="+thumb-mode" }
+attributes #1 = { "target-features"="-thumb-mode" }
Index: llvm/trunk/test/DebugInfo/ARM/header.ll
===================================================================
--- llvm/trunk/test/DebugInfo/ARM/header.ll
+++ llvm/trunk/test/DebugInfo/ARM/header.ll
@@ -8,7 +8,8 @@
 ; CHECK-NEXT: .syntax unified
 ; CHECK-NEXT: .globl  _f
 ; CHECK-NEXT: .p2align  2
-; CHECK-NEXT: _f:                    @ @f
+; CHECK-NEXT: .code 32                    @ @f
+; CHECK-NEXT: _f:
 
 ; CHECK:  .section        __DWARF,__debug_str,regular,debug
 
@@ -21,7 +22,7 @@
 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "foo", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
 !1 = !DIFile(filename: "/foo/test.c", directory: "/foo")
 !2 = !{}
-!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
+!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !2)
 !5 = !DISubroutineType(types: !6)
 !6 = !{null}
 !7 = !{i32 2, !"Dwarf Version", i32 4}