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Make LLVM command-line tools overwrite their output files without -f.

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This is conventional command-line tool behavior. -f now just means
"enable binary output on terminals".

Add a -f option to llvm-extract and llvm-link, for consistency.

Remove F_Force from raw_fd_ostream and enable overwriting and
truncating by default. Introduce an F_Excl flag to permit users to
enable a failure when the file already exists. This flag is
currently unused.

Update Makefiles and documentation accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-25 15:34:52 +00:00
parent cf48efcf3d
commit baa26395cc
22 changed files with 48 additions and 72 deletions
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5
tools/lto/LTOCodeGenerator.cpp
View File

@@ -148,7 +148,7 @@ bool LTOCodeGenerator::writeMergedModules(const char *path,
// create output file
std::string ErrInfo;
raw_fd_ostream Out(path, ErrInfo,
raw_fd_ostream::F_Force|raw_fd_ostream::F_Binary);
raw_fd_ostream::F_Binary);
if (!ErrInfo.empty()) {
errMsg = "could not open bitcode file for writing: ";
errMsg += path;
@@ -179,8 +179,7 @@ const void* LTOCodeGenerator::compile(size_t* length, std::string& errMsg)
// generate assembly code
bool genResult = false;
{
raw_fd_ostream asmFD(uniqueAsmPath.c_str(), errMsg,
raw_fd_ostream::F_Force);
raw_fd_ostream asmFD(uniqueAsmPath.c_str(), errMsg);
formatted_raw_ostream asmFile(asmFD);
if (!errMsg.empty())
return NULL;