The global prefix is always one char. Don't use a string for it.

llvm-svn: 195926

3 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/MC/MCAsmInfo.cpp b/llvm/lib/MC/MCAsmInfo.cpp
index 28f1c951641..a2ff92ff4f9 100644
--- a/llvm/lib/MC/MCAsmInfo.cpp
+++ b/llvm/lib/MC/MCAsmInfo.cpp
@@ -41,7 +41,7 @@ MCAsmInfo::MCAsmInfo() {
   CommentString = "#";
   LabelSuffix = ":";
   DebugLabelSuffix = ":";
-  GlobalPrefix = "";
+  GlobalPrefix = '\0';
   PrivateGlobalPrefix = ".";
   LinkerPrivateGlobalPrefix = "";
   InlineAsmStart = "APP";
diff --git a/llvm/lib/MC/MCAsmInfoCOFF.cpp b/llvm/lib/MC/MCAsmInfoCOFF.cpp
index 9d9f98e72b9..54ae3a272db 100644
--- a/llvm/lib/MC/MCAsmInfoCOFF.cpp
+++ b/llvm/lib/MC/MCAsmInfoCOFF.cpp
@@ -18,7 +18,7 @@ using namespace llvm;
 void MCAsmInfoCOFF::anchor() { }
 
 MCAsmInfoCOFF::MCAsmInfoCOFF() {
-  GlobalPrefix = "_";
+  GlobalPrefix = '_';
   // MingW 4.5 and later support .comm with log2 alignment, but .lcomm uses byte
   // alignment.
   COMMDirectiveAlignmentIsInBytes = false;
diff --git a/llvm/lib/MC/MCAsmInfoDarwin.cpp b/llvm/lib/MC/MCAsmInfoDarwin.cpp
index 704c8161f88..8a021ce3ae7 100644
--- a/llvm/lib/MC/MCAsmInfoDarwin.cpp
+++ b/llvm/lib/MC/MCAsmInfoDarwin.cpp
@@ -23,7 +23,7 @@ void MCAsmInfoDarwin::anchor() { }
 MCAsmInfoDarwin::MCAsmInfoDarwin() {
   // Common settings for all Darwin targets.
   // Syntax:
-  GlobalPrefix = "_";
+  GlobalPrefix = '_';
   PrivateGlobalPrefix = "L";
   LinkerPrivateGlobalPrefix = "l";
   HasSingleParameterDotFile = false;