MS ABI: Simplify MangleByte

The delta between '\xe1' and '\xc1' is equivalent to the one between 'a'
and 'A'.  This allows us to reuse the computation between '\xe1' and
'\xfa' for the '\xc1' to '\xda' case.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@205128 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index 9dfd2af8bb610fccf8e8f890e836d52f783f467c..5510f96596f5cce91f721d51a97addc8d45dbf15 100644 (file)
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -2421,9 +2421,8 @@ void MicrosoftMangleContextImpl::mangleStringLiteral(const StringLiteral *SL,
     if ((Byte >= 'a' && Byte <= 'z') || (Byte >= 'A' && Byte <= 'Z') ||
         (Byte >= '0' && Byte <= '9') || Byte == '_' || Byte == '$') {
       Mangler.getStream() << Byte;
-    } else if (Byte >= '\xe1' && Byte <= '\xfa') {
-      Mangler.getStream() << '?' << static_cast<char>('a' + (Byte - '\xe1'));
-    } else if (Byte >= '\xc1' && Byte <= '\xda') {
+    } else if ((Byte >= '\xe1' && Byte <= '\xfa') ||
+               (Byte >= '\xc1' && Byte <= '\xda')) {
       Mangler.getStream() << '?' << static_cast<char>('A' + (Byte - '\xc1'));
     } else {
       switch (Byte) {