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[NFC] Clarify the syntax of passes flag #136175

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Apr 25, 2025
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[NFC] Clarify the syntax of passes flag #136175

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8 changes: 6 additions & 2 deletions llvm/tools/opt/optdriver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -84,8 +84,12 @@ static cl::opt<bool> EnableLegacyPassManager(
static cl::opt<std::string> PassPipeline(
"passes",
cl::desc(
"A textual description of the pass pipeline. To have analysis passes "
"available before a certain pass, add \"require<foo-analysis>\"."));
"A textual (comma separated) description of the pass pipeline e.g.,"
"-passes=\"foo,bar\", to have analysis passes available before a pass, "
"add \"require<foo-analysis>\". See "
"https://llvm.org/docs/NewPassManager.html#invoking-opt "
"for more details on the pass pipeline syntax. "));

static cl::alias PassPipeline2("p", cl::aliasopt(PassPipeline),
cl::desc("Alias for -passes"));

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