[clang] [llvm] [OptBisect][IR] Adding a new OptPassGate for disabling passes via name (PR #145059)

[Cristian Assaiante via llvm-commits]

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@@ -55,4 +55,48 @@ bool OptBisect::shouldRunPass(StringRef PassName,
   return ShouldRun;
 }
 
-OptPassGate &llvm::getGlobalPassGate() { return getOptBisector(); }
+const int OptBisect::Disabled;
+
+static OptDisable &getOptDisabler() {
+  static OptDisable OptDisabler;
+  return OptDisabler;
+}
+
+static cl::list<std::string> OptDisablePasses(
+    "opt-disable", cl::Hidden, cl::CommaSeparated, cl::Optional,
+    cl::cb<void, std::string>([](std::string Pass) {
+      getOptDisabler().setDisabled(Pass);
+    }),
+    cl::desc("Optimization pass(es) to disable (comma-separated list)"));
+
+static cl::opt<bool>
+    OptDisableVerbose("opt-disable-enable-verbosity",
+                      cl::desc("Show verbose output when opt-disable is set"),
+                      cl::Hidden, cl::init(false), cl::Optional);
+
+static void printDisablePassMessage(const StringRef &Name, StringRef TargetDesc,
+                                    bool Running) {
+  StringRef Status = Running ? "" : "NOT ";
+  errs() << "DISABLE: " << Status << "running pass " << Name << " on "
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cristianassaiante wrote:

Makes sense. After this maybe we should also change it for the bisect print.

https://github.com/llvm/llvm-project/pull/145059