Integrate LLVM at llvm/llvm-project@179d30f8c3fd

Updates LLVM usage to match
[179d30f8c3fd](llvm/llvm-project@179d30f8c3fd)

PiperOrigin-RevId: 748068900

Author: Sair Team

LLVM_VERSION

@@ -1 +1 @@
-98feb05825a179c56f965d936b948a95d2a6b888
+179d30f8c3fddd3c85056fd2b8e877a4a8513158

sair_opt.cc

@@ -58,11 +58,24 @@ int main(int argc, char **argv) {
       llvm::cl::desc("Split marker to use for merging the ouput"),
       llvm::cl::init(kDefaultSplitMarker));
 
-  llvm::cl::opt<bool> verify_diagnostics(
-      "verify-diagnostics",
-      llvm::cl::desc("Check that emitted diagnostics match expected-* lines on "
-                     "the corresponding line"),
-      llvm::cl::init(false));
+  llvm::cl::opt<mlir::SourceMgrDiagnosticVerifierHandler::Level>
+      verify_diagnostics{
+          "verify-diagnostics", llvm::cl::ValueOptional,
+          llvm::cl::desc(
+              "Check that emitted diagnostics match expected-* lines on the "
+              "corresponding line"),
+          llvm::cl::values(
+              clEnumValN(
+                  mlir::SourceMgrDiagnosticVerifierHandler::Level::All, "all",
+                  "Check all diagnostics (expected, unexpected, near-misses)"),
+              // Implicit value: when passed with no arguments, e.g.
+              // `--verify-diagnostics` or `--verify-diagnostics=`.
+              clEnumValN(
+                  mlir::SourceMgrDiagnosticVerifierHandler::Level::All, "",
+                  "Check all diagnostics (expected, unexpected, near-misses)"),
+              clEnumValN(
+                  mlir::SourceMgrDiagnosticVerifierHandler::Level::OnlyExpected,
+                  "only-expected", "Check only expected diagnostics"))};
 
   llvm::cl::opt<bool> allowUnregisteredDialects(
       "allow-unregistered-dialect",