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Added help messages for opt_* passes

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This commit is contained in:
Clifford Wolf 2013-03-01 08:58:55 +01:00
parent 1bc0f04789
commit 36954471a6
7 changed files with 127 additions and 11 deletions
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25
passes/opt/opt.cc
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@ -26,7 +26,30 @@
bool OPT_DID_SOMETHING;
struct OptPass : public Pass {
OptPass() : Pass("opt") { }
OptPass() : Pass("opt", "perform simple optimizations") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" opt [selection]\n");
log("\n");
log("This pass calls all the other opt_* passes in a useful manner. This performs\n");
log("a series of trivial optimizations and cleanups. This pass executes the other\n");
log("passes in the following order:\n");
log("\n");
log(" opt_const\n");
log(" opt_share -nomux\n");
log("\n");
log(" do\n");
log(" opt_muxtree\n");
log(" opt_reduce\n");
log(" opt_share\n");
log(" opt_rmdff\n");
log(" opt_rmunused\n");
log(" opt_const\n");
log(" while [changed design]\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing OPT pass (performing simple optimizations).\n");