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-rw-r--r--tools/opt/opt.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index de56080c2c..9d0837c29d 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -48,6 +48,9 @@ static cl::opt<bool>
PrintEachXForm("p", cl::desc("Print module after each transformation"));
static cl::opt<bool>
+NoOutput("no-output", cl::desc("Do not write result bytecode file"), cl::Hidden);
+
+static cl::opt<bool>
Quiet("q", cl::desc("Don't print 'program modified' message"));
static cl::alias
@@ -128,7 +131,8 @@ int main(int argc, char **argv) {
Passes.add(createVerifierPass());
// Write bytecode out to disk or cout as the last step...
- Passes.add(new WriteBytecodePass(Out, Out != &std::cout));
+ if (!NoOutput)
+ Passes.add(new WriteBytecodePass(Out, Out != &std::cout));
// Now that we have all of the passes ready, run them.
if (Passes.run(*M.get()) && !Quiet)