diff --git a/lib/Target/ARM/ARMTargetAsmInfo.cpp b/lib/Target/ARM/ARMTargetAsmInfo.cpp
index 65947fb..47abcc6 100644
--- a/lib/Target/ARM/ARMTargetAsmInfo.cpp
+++ b/lib/Target/ARM/ARMTargetAsmInfo.cpp
@@ -48,6 +48,7 @@
   if (Subtarget->isTargetDarwin()) {
     GlobalPrefix = "_";
     PrivateGlobalPrefix = "L";
+    StringConstantPrefix = "\1LC";
     BSSSection = 0;                       // no BSS section.
     ZeroFillDirective = "\t.zerofill\t";  // Uses .zerofill
     SetDirective = "\t.set\t";
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 85ead11..058de65 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -39,6 +39,7 @@
   CommentString = ";";
   GlobalPrefix = "_";
   PrivateGlobalPrefix = "L";
+  StringConstantPrefix = "\1LC";
   ConstantPoolSection = "\t.const\t";
   JumpTableDataSection = ".const";
   CStringSection = "\t.cstring";
diff --git a/lib/Target/TargetAsmInfo.cpp b/lib/Target/TargetAsmInfo.cpp
index 5fa5abe..67f0cfa 100644
--- a/lib/Target/TargetAsmInfo.cpp
+++ b/lib/Target/TargetAsmInfo.cpp
@@ -45,6 +45,7 @@
   InlineAsmStart("#APP"),
   InlineAsmEnd("#NO_APP"),
   AssemblerDialect(0),
+  StringConstantPrefix(".str"),
   ZeroDirective("\t.zero\t"),
   ZeroDirectiveSuffix(0),
   AsciiDirective("\t.ascii\t"),
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 7e90cd9..887c13d 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -66,6 +66,7 @@
     ReadOnlySection = "\t.const\n";
     LCOMMDirective = "\t.lcomm\t";
     SwitchToSectionDirective = "\t.section ";
+    StringConstantPrefix = "\1LC";
     COMMDirectiveTakesAlignment = false;
     HasDotTypeDotSizeDirective = false;
     if (TM.getRelocationModel() == Reloc::Static) {