Add a createUniqueFile function and switch llvm's users of unique_file.

This function is complementary to createTemporaryFile. It handles the case were
the unique file is *not* temporary: we will rename it in the end. Since we
will rename it, the file has to be in the same filesystem as the final
destination and we don't prepend the system temporary directory.

This has a small semantic difference from unique_file: the default mode is 0666.
This matches the behavior of most unix tools. For example, with this change
lld now produces files with the same permissions as ld. I will add a test
of this change when I port clang over to createUniqueFile (next commit).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185726 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index d50f49b2db2..2098928b5c4 100644
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -365,8 +365,8 @@ Module *BugDriver::ExtractMappedBlocksFromModule(const
                                                  Module *M) {
   SmallString<128> Filename;
   int FD;
-  error_code EC = sys::fs::unique_file(OutputPrefix + "-extractblocks%%%%%%%",
-                                       FD, Filename);
+  error_code EC = sys::fs::createUniqueFile(
+      OutputPrefix + "-extractblocks%%%%%%%", FD, Filename);
   if (EC) {
     outs() << "*** Basic Block extraction failed!\n";
     errs() << "Error creating temporary file: " << EC.message() << "\n";