From b9a01bcf486814a44098745920d43daaf9f7c260 Mon Sep 17 00:00:00 2001
From: Mon P Wang <wangmp@apple.com>
Date: Thu, 29 Apr 2010 04:00:56 +0000
Subject: Add support for assemblers that don't support periods in a name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102594 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Mangler.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'lib/Target/Mangler.cpp')

diff --git a/lib/Target/Mangler.cpp b/lib/Target/Mangler.cpp
index 1d5c51164e..4ef017ab92 100644
--- a/lib/Target/Mangler.cpp
+++ b/lib/Target/Mangler.cpp
@@ -22,11 +22,12 @@
 #include "llvm/ADT/Twine.h"
 using namespace llvm;
 
-static bool isAcceptableChar(char C) {
+static bool isAcceptableChar(char C, bool AllowPeriod) {
   if ((C < 'a' || C > 'z') &&
       (C < 'A' || C > 'Z') &&
       (C < '0' || C > '9') &&
-      C != '_' && C != '$' && C != '.' && C != '@')
+      C != '_' && C != '$' && C != '@' &&
+      !(AllowPeriod && C == '.'))
     return false;
   return true;
 }
@@ -54,8 +55,9 @@ static bool NameNeedsEscaping(StringRef Str, const MCAsmInfo &MAI) {
   
   // If any of the characters in the string is an unacceptable character, force
   // quotes.
+  bool AllowPeriod = MAI.doesAllowPeriodsInName();
   for (unsigned i = 0, e = Str.size(); i != e; ++i)
-    if (!isAcceptableChar(Str[i]))
+    if (!isAcceptableChar(Str[i], AllowPeriod))
       return true;
   return false;
 }
@@ -70,9 +72,10 @@ static void appendMangledName(SmallVectorImpl<char> &OutName, StringRef Str,
     MangleLetter(OutName, Str[0]);
     Str = Str.substr(1);
   }
-  
+
+  bool AllowPeriod = MAI.doesAllowPeriodsInName();
   for (unsigned i = 0, e = Str.size(); i != e; ++i) {
-    if (!isAcceptableChar(Str[i]))
+    if (!isAcceptableChar(Str[i], AllowPeriod))
       MangleLetter(OutName, Str[i]);
     else
       OutName.push_back(Str[i]);
-- 
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