Eliminate some unnessary Path::exists() calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104888 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index eaa2c53..7808de5 100644
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -365,8 +365,7 @@
   PI.push_back(getPI(createBlockExtractorPass(EmptyBBs)));
   Module *Ret = runPassesOn(M, PI, false, 1, &ExtraArg);
 
-  if (uniqueFilename.exists())
-    uniqueFilename.eraseFromDisk(); // Free disk space
+  uniqueFilename.eraseFromDisk(); // Free disk space
 
   if (Ret == 0) {
     outs() << "*** Basic Block extraction failed, please report a bug!\n";
diff --git a/tools/llvm-link/llvm-link.cpp b/tools/llvm-link/llvm-link.cpp
index c60e56a..f7dad3d 100644
--- a/tools/llvm-link/llvm-link.cpp
+++ b/tools/llvm-link/llvm-link.cpp
@@ -62,20 +62,14 @@
   }
 
   SMDiagnostic Err;
-  if (Filename.exists()) {
-    if (Verbose) errs() << "Loading '" << Filename.c_str() << "'\n";
-    Module* Result = 0;
-    
-    const std::string &FNStr = Filename.str();
-    Result = ParseIRFile(FNStr, Err, Context);
-    if (Result) return std::auto_ptr<Module>(Result);   // Load successful!
+  if (Verbose) errs() << "Loading '" << Filename.c_str() << "'\n";
+  Module* Result = 0;
+  
+  const std::string &FNStr = Filename.str();
+  Result = ParseIRFile(FNStr, Err, Context);
+  if (Result) return std::auto_ptr<Module>(Result);   // Load successful!
 
-    if (Verbose)
-      Err.Print(argv0, errs());
-  } else {
-    errs() << "Bitcode file: '" << Filename.c_str() << "' does not exist.\n";
-  }
-
+  Err.Print(argv0, errs());
   return std::auto_ptr<Module>();
 }
 
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index c4d7e8a..911fddf 100644
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -183,16 +183,14 @@
       genResult = this->generateAssemblyCode(asmFile, errMsg);
     }
     if ( genResult ) {
-        if ( uniqueAsmPath.exists() )
-            uniqueAsmPath.eraseFromDisk();
+        uniqueAsmPath.eraseFromDisk();
         return NULL;
     }
     
     // make unique temp .o file to put generated object file
     sys::PathWithStatus uniqueObjPath("lto-llvm.o");
     if ( uniqueObjPath.createTemporaryFileOnDisk(true, &errMsg) ) {
-        if ( uniqueAsmPath.exists() )
-            uniqueAsmPath.eraseFromDisk();
+        uniqueAsmPath.eraseFromDisk();
         return NULL;
     }
     sys::RemoveFileOnSignal(uniqueObjPath);