Fix embedded linker flag in python exposed iree-opt

compiler/bindings/python/iree/compiler/tools/core.py

@@ -324,6 +324,43 @@ def query_available_targets():
 # Preprocessing for SHARK (for now simply exposes iree-opt)
 
 
+def build_opt_command_line(
+    input_file: str, tfs: TempFileSaver, options: CompilerOptions
+) -> List[str]:
+    """Builds a command line for applying specified patterns.
+
+    Args:
+      input_file: The input file name.
+      tfs: TempFileSaver.
+      options: Compiler options.
+    Returns:
+      List of strings of command line.
+    """
+    iree_opt = find_tool("iree-opt")
+    cl = [
+        iree_opt,
+        input_file,
+    ]
+
+    # Output file.
+    if options.output_file:
+        cl.append(f"-o={options.output_file}")
+
+    # Tool paths.
+    lld_path = find_tool("iree-lld")
+    cl.append(f"--iree-llvmcpu-embedded-linker-path={lld_path}")
+
+    crash_reproducer_path = tfs.alloc_optional(
+        "core-reproducer.mlir", export_as=options.crash_reproducer_path
+    )
+    if crash_reproducer_path:
+        cl.append(f"--mlir-pass-pipeline-crash-reproducer={crash_reproducer_path}")
+
+    cl.extend(options.extra_args)
+    print(cl)
+    return cl
+
+
 def build_opt_command_line(
     input_file: str, tfs: TempFileSaver, options: CompilerOptions
 ) -> List[str]: