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add an option for timing bc file reading.

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llvm-svn: 33977
This commit is contained in:
Chris Lattner 2007-02-07 04:39:35 +00:00
parent b5bffb4290
commit e11a44eff1
1 changed files with 12 additions and 5 deletions
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17
tools/llvm-dis/llvm-dis.cpp
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@ -39,6 +39,9 @@ OutputFilename("o", cl::desc("Override output filename"),
static cl::opt<bool>
Force("f", cl::desc("Overwrite output files"));
static cl::opt<bool>
DontPrint("disable-output", cl::desc("Don't output the .ll file"), cl::Hidden);
int main(int argc, char **argv) {
llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
try {
@ -58,7 +61,9 @@ int main(int argc, char **argv) {
return 1;
}
if (OutputFilename != "") { // Specified an output filename?
if (DontPrint) {
// Just use stdout. We won't actually print anything on it.
} else if (OutputFilename != "") { // Specified an output filename?
if (OutputFilename != "-") { // Not stdout?
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
@ -102,10 +107,12 @@ int main(int argc, char **argv) {
}
// All that llvm-dis does is write the assembly to a file.
PassManager Passes;
OStream L(*Out);
Passes.add(new PrintModulePass(&L));
Passes.run(*M.get());
if (!DontPrint) {
PassManager Passes;
OStream L(*Out);
Passes.add(new PrintModulePass(&L));
Passes.run(*M.get());
}
if (Out != &std::cout) {
((std::ofstream*)Out)->close();