Rename FindExecutable to PrependMainExecutablePath.

Makes it more clear that it is just a path manipulation function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118174 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 30 insertions, 26 deletions

diff --git a/include/llvm/Support/SystemUtils.h b/include/llvm/Support/SystemUtils.h
index 91fcfed..399aee5 100644
--- a/include/llvm/Support/SystemUtils.h
+++ b/include/llvm/Support/SystemUtils.h
@@ -30,13 +30,14 @@ bool CheckBitcodeOutputToConsole(
   bool print_warning = true     ///< Control whether warnings are printed
 );
 
-/// FindExecutable - Find a named executable, given the value of argv[0] of the
-/// program being executed and the address of main itself. This allows us to
-/// find another LLVM tool if it is built in the same directory. An empty string
-/// is returned on error.
+/// PrependMainExecutablePath - Prepend the path to the program being executed
+/// to \p ExeName, given the value of argv[0] and the address of main()
+/// itself. This allows us to find another LLVM tool if it is built in the same
+/// directory. An empty string is returned on error; note that this function
+/// just mainpulates the path and doesn't check for executability.
 /// @brief Find a named executable.
-sys::Path FindExecutable(const std::string &ExeName,
-                         const char *Argv0, void *MainAddr);
+sys::Path PrependMainExecutablePath(const std::string &ExeName,
+                                    const char *Argv0, void *MainAddr);
 
 } // End llvm namespace
 
diff --git a/lib/CompilerDriver/Action.cpp b/lib/CompilerDriver/Action.cpp
index 54b55d0..19f5bba 100644
--- a/lib/CompilerDriver/Action.cpp
+++ b/lib/CompilerDriver/Action.cpp
@@ -57,7 +57,8 @@ namespace {
     sys::Path prog(name);
 
     if (!prog.isAbsolute()) {
-      prog = FindExecutable(name, ProgramName, (void *)(intptr_t)&Main);
+      prog = PrependMainExecutablePath(name, ProgramName,
+                                       (void *)(intptr_t)&Main);
 
       if (!prog.canExecute()) {
         prog = sys::Program::FindProgramByName(name);
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index ff07663..9646d75 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -32,13 +32,14 @@ bool llvm::CheckBitcodeOutputToConsole(raw_ostream &stream_to_check,
   return false;
 }
 
-/// FindExecutable - Find a named executable, given the value of argv[0] of the
-/// program being executed and the address of main itself. This allows us to
-/// find another LLVM tool if it is built in the same directory. An empty string
-/// is returned on error.
-#undef FindExecutable   // needed on windows :(
-sys::Path llvm::FindExecutable(const std::string &ExeName,
-                               const char *Argv0, void *MainAddr) {
+/// PrependMainExecutablePath - Prepend the path to the program being executed
+/// to \p ExeName, given the value of argv[0] and the address of main()
+/// itself. This allows us to find another LLVM tool if it is built in the same
+/// directory. An empty string is returned on error; note that this function
+/// just mainpulates the path and doesn't check for executability.
+/// @brief Find a named executable.
+sys::Path llvm::PrependMainExecutablePath(const std::string &ExeName,
+                                          const char *Argv0, void *MainAddr) {
   // Check the directory that the calling program is in.  We can do
   // this if ProgramPath contains at least one / character, indicating that it
   // is a relative path to the executable itself.
diff --git a/tools/bugpoint/OptimizerDriver.cpp b/tools/bugpoint/OptimizerDriver.cpp
index d28ce79..e8c1ab5 100644
--- a/tools/bugpoint/OptimizerDriver.cpp
+++ b/tools/bugpoint/OptimizerDriver.cpp
@@ -144,7 +144,8 @@ bool BugDriver::runPasses(Module *Program,
     return 1;
   }
 
-  sys::Path tool = FindExecutable("opt", getToolName(), (void*)"opt");
+  sys::Path tool = PrependMainExecutablePath("opt", getToolName(),
+                                             (void*)"opt");
   if (tool.empty()) {
     errs() << "Cannot find `opt' in executable directory!\n";
     return 1;
diff --git a/tools/bugpoint/ToolRunner.cpp b/tools/bugpoint/ToolRunner.cpp
index 83b358b..ea82a6c 100644
--- a/tools/bugpoint/ToolRunner.cpp
+++ b/tools/bugpoint/ToolRunner.cpp
@@ -238,7 +238,7 @@ AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0,
                                                     std::string &Message,
                                      const std::vector<std::string> *ToolArgs) {
   std::string LLIPath =
-    FindExecutable("lli", Argv0, (void *)(intptr_t)&createLLI).str();
+    PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t)&createLLI).str();
   if (!LLIPath.empty()) {
     Message = "Found lli: " + LLIPath + "\n";
     return new LLI(LLIPath, ToolArgs);
@@ -438,7 +438,7 @@ LLC *AbstractInterpreter::createLLC(const char *Argv0,
                                     const std::vector<std::string> *GCCArgs,
                                     bool UseIntegratedAssembler) {
   std::string LLCPath =
-    FindExecutable("llc", Argv0, (void *)(intptr_t)&createLLC).str();
+    PrependMainExecutablePath("llc", Argv0, (void *)(intptr_t)&createLLC).str();
   if (LLCPath.empty()) {
     Message = "Cannot find `llc' in executable directory!\n";
     return 0;
@@ -526,7 +526,7 @@ int JIT::ExecuteProgram(const std::string &Bitcode,
 AbstractInterpreter *AbstractInterpreter::createJIT(const char *Argv0,
                    std::string &Message, const std::vector<std::string> *Args) {
   std::string LLIPath =
-    FindExecutable("lli", Argv0, (void *)(intptr_t)&createJIT).str();
+    PrependMainExecutablePath("lli", Argv0, (void *)(intptr_t)&createJIT).str();
   if (!LLIPath.empty()) {
     Message = "Found lli: " + LLIPath + "\n";
     return new JIT(LLIPath, Args);
@@ -604,11 +604,11 @@ int CBE::ExecuteProgram(const std::string &Bitcode,
 ///
 CBE *AbstractInterpreter::createCBE(const char *Argv0,
                                     std::string &Message,
-                                    const std::string &GCCBinary, 
+                                    const std::string &GCCBinary,
                                     const std::vector<std::string> *Args,
                                     const std::vector<std::string> *GCCArgs) {
   sys::Path LLCPath =
-    FindExecutable("llc", Argv0, (void *)(intptr_t)&createCBE);
+    PrependMainExecutablePath("llc", Argv0, (void *)(intptr_t)&createCBE);
   if (LLCPath.isEmpty()) {
     Message =
       "Cannot find `llc' in executable directory!\n";
diff --git a/tools/llvm-ld/llvm-ld.cpp b/tools/llvm-ld/llvm-ld.cpp
index a28592b..9bf1081 100644
--- a/tools/llvm-ld/llvm-ld.cpp
+++ b/tools/llvm-ld/llvm-ld.cpp
@@ -415,8 +415,8 @@ static void EmitShellScript(char **argv, Module *M) {
   // support windows systems, we copy the llvm-stub.exe executable from the
   // build tree to the destination file.
   std::string ErrMsg;
-  sys::Path llvmstub = FindExecutable("llvm-stub.exe", argv[0],
-                                      (void *)(intptr_t)&Optimize);
+  sys::Path llvmstub = PrependMainExecutablePath("llvm-stub", argv[0],
+                                                 (void *)(intptr_t)&Optimize);
   if (llvmstub.isEmpty())
     PrintAndExit("Could not find llvm-stub.exe executable!", M);
 
@@ -664,8 +664,8 @@ int main(int argc, char **argv, char **envp) {
       sys::RemoveFileOnSignal(AssemblyFile);
 
       // Determine the locations of the llc and gcc programs.
-      sys::Path llc = FindExecutable("llc", argv[0],
-                                     (void *)(intptr_t)&Optimize);
+      sys::Path llc = PrependMainExecutablePath("llc", argv[0],
+                                                (void *)(intptr_t)&Optimize);
       if (llc.isEmpty())
         PrintAndExit("Failed to find llc", Composite.get());
 
@@ -691,8 +691,8 @@ int main(int argc, char **argv, char **envp) {
       sys::RemoveFileOnSignal(CFile);
 
       // Determine the locations of the llc and gcc programs.
-      sys::Path llc = FindExecutable("llc", argv[0],
-                                     (void *)(intptr_t)&Optimize);
+      sys::Path llc = PrependMainExecutablePath("llc", argv[0],
+                                                (void *)(intptr_t)&Optimize);
       if (llc.isEmpty())
         PrintAndExit("Failed to find llc", Composite.get());