[Support] [Path] Use std::replace instead of an explicit comparison loop. NFC.

After 8fc7a907b93a8e9eef96e872f8f926db3ebfe9b6, this loop does
the same as a plain `std::replace`.

Also clarify the comment about what this function does.

Differential Revision: https://reviews.llvm.org/D111730

1 files changed, 1 insertions, 3 deletions

diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
index a724ba2..f770bcc 100644
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -557,9 +557,7 @@ void native(SmallVectorImpl<char> &Path, Style style) {
       Path = PathHome;
     }
   } else {
-    for (auto PI = Path.begin(), PE = Path.end(); PI < PE; ++PI)
-      if (*PI == '\\')
-        *PI = '/';
+    std::replace(Path.begin(), Path.end(), '\\', '/');
   }
 }