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llvm-profdata: Make "merge" into a subcommand.

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We'll be adding a few more subcommands in the near future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204211 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner
2014-03-19 02:20:46 +00:00
parent fb007bb98c
commit 695043fb48
3 changed files with 65 additions and 30 deletions
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67
tools/llvm-profdata/llvm-profdata.cpp
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@ -22,17 +22,6 @@
using namespace llvm;
static cl::opt<std::string> Filename1(cl::Positional, cl::Required,
cl::desc("file1"));
static cl::opt<std::string> Filename2(cl::Positional, cl::Required,
cl::desc("file2"));
static cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
cl::init("-"),
cl::desc("Output file"));
static cl::alias OutputFilenameA("o", cl::desc("Alias for --output"),
cl::aliasopt(OutputFilename));
static void exitWithError(const std::string &Message,
const std::string &Filename, int64_t Line = -1) {
errs() << "error: " << Filename;
@ -43,11 +32,17 @@ static void exitWithError(const std::string &Message,
}
//===----------------------------------------------------------------------===//
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
int merge_main(int argc, const char *argv[]) {
cl::opt<std::string> Filename1(cl::Positional, cl::Required,
cl::desc("file1"));
cl::opt<std::string> Filename2(cl::Positional, cl::Required,
cl::desc("file2"));
cl::opt<std::string> OutputFilename("output", cl::value_desc("output"),
cl::init("-"),
cl::desc("Output file"));
cl::alias OutputFilenameA("o", cl::desc("Alias for --output"),
cl::aliasopt(OutputFilename));
cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");
@ -127,3 +122,43 @@ int main(int argc, char **argv) {
return 0;
}
int main(int argc, const char *argv[]) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
StringRef ProgName(sys::path::filename(argv[0]));
if (argc > 1) {
int (*func)(int, const char *[]) = 0;
if (strcmp(argv[1], "merge") == 0)
func = merge_main;
if (func) {
std::string Invocation(ProgName.str() + " " + argv[1]);
argv[1] = Invocation.c_str();
return func(argc - 1, argv + 1);
}
if (strcmp(argv[1], "-h") == 0 ||
strcmp(argv[1], "-help") == 0 ||
strcmp(argv[1], "--help") == 0) {
errs() << "OVERVIEW: LLVM profile data tools\n\n"
<< "USAGE: " << ProgName << " <command> [args...]\n"
<< "USAGE: " << ProgName << " <command> -help\n\n"
<< "Available commands: merge\n";
return 0;
}
}
if (argc < 2)
errs() << ProgName << ": No command specified!\n";
else
errs() << ProgName << ": Unknown command!\n";
errs() << "USAGE: " << ProgName << " <merge|show|generate> [args...]\n";
return 1;
}