[PATCH] D69458: lld/COFF: Simplify getOutputPath() using sys::path functions.

[Nico Weber via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
thakis marked an inline comment as done.
Closed by commit rGb911d2db5dd8: lld/COFF: Simplify getOutputPath() using sys::path functions. (authored by thakis).

Changed prior to commit:
  https://reviews.llvm.org/D69458?vs=226528&id=226663#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69458/new/

https://reviews.llvm.org/D69458

Files:
  lld/COFF/Driver.cpp
  llvm/include/llvm/Support/Path.h


Index: llvm/include/llvm/Support/Path.h
===================================================================
--- llvm/include/llvm/Support/Path.h
+++ llvm/include/llvm/Support/Path.h
@@ -121,6 +121,8 @@
 
 /// Remove the last component from \a path unless it is the root dir.
 ///
+/// Similar to the POSIX "dirname" utility.
+///
 /// @code
 ///   directory/filename.cpp => directory/
 ///   directory/             => directory
@@ -295,7 +297,7 @@
 ///
 /// @param path Input path.
 /// @result The filename part of \a path. This is defined as the last component
-///         of \a path.
+///         of \a path. Similar to the POSIX "basename" utility.
 StringRef filename(StringRef path, Style style = Style::native);
 
 /// Get stem.
Index: lld/COFF/Driver.cpp
===================================================================
--- lld/COFF/Driver.cpp
+++ lld/COFF/Driver.cpp
@@ -104,10 +104,7 @@
 
 // Drop directory components and replace extension with ".exe" or ".dll".
 static std::string getOutputPath(StringRef path) {
-  auto p = path.find_last_of("\\/");
-  StringRef s = (p == StringRef::npos) ? path : path.substr(p + 1);
-  const char* e = config->dll ? ".dll" : ".exe";
-  return (s.substr(0, s.rfind('.')) + e).str();
+  return (sys::path::stem(path) + (config->dll ? ".dll" : ".exe")).str();
 }
 
 // Returns true if S matches /crtend.?\.o$/.


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