[llvm] r215241 - Convert from Windows to Unix paths in sys::path::native.

[Rafael Espindola]

Author: rafael
Date: Fri Aug  8 16:29:34 2014
New Revision: 215241

URL: http://llvm.org/viewvc/llvm-project?rev=215241&view=rev
Log:
Convert from Windows to Unix paths in sys::path::native.

Part of pr20544. Test to follow in a second.

Modified:
    llvm/trunk/lib/Support/Path.cpp

Modified: llvm/trunk/lib/Support/Path.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Path.cpp?rev=215241&r1=215240&r2=215241&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Path.cpp (original)
+++ llvm/trunk/lib/Support/Path.cpp Fri Aug  8 16:29:34 2014
@@ -540,9 +540,19 @@ void native(const Twine &path, SmallVect
   native(result);
 }
 
-void native(SmallVectorImpl<char> &path) {
+void native(SmallVectorImpl<char> &Path) {
 #ifdef LLVM_ON_WIN32
   std::replace(path.begin(), path.end(), '/', '\\');
+#else
+  for (auto PI = Path.begin(), PE = Path.end(); PI < PE; ++PI) {
+    if (*PI == '\\') {
+      auto PN = PI + 1;
+      if (PN < PE && *PN == '\\')
+        ++PI; // increment once, the for loop will move over the escaped slash
+      else
+        *PI = '/';
+    }
+  }
 #endif
 }