Merge branch 'master' into issue-30961

[rust.git] / src / librustc_driver / lib.rs

diff --git a/src/librustc_driver/lib.rs b/src/librustc_driver/lib.rs
index 772c59b34dd02725897eca4d397c6d5bac309aa8..d92ecfaec32865c7ab1b739ebf73a06631fb437a 100644 (file)
--- a/src/librustc_driver/lib.rs
+++ b/src/librustc_driver/lib.rs
@@ -68,6 +68,7 @@
 use rustc_resolve as resolve;
 use rustc_save_analysis as save;
 use rustc_trans::back::link;
+use rustc_trans::back::write::{create_target_machine, RELOC_MODEL_ARGS, CODE_GEN_MODEL_ARGS};
 use rustc::dep_graph::DepGraph;
 use rustc::session::{self, config, Session, build_session, CompileResult};
 use rustc::session::config::{Input, PrintRequest, OutputType, ErrorOutputType};
@@ -660,6 +661,28 @@ fn print_crate_info(sess: &Session,
                         }
                     }
                 }
+                PrintRequest::TargetCPUs => {
+                    let tm = create_target_machine(sess);
+                    unsafe { llvm::LLVMRustPrintTargetCPUs(tm); }
+                }
+                PrintRequest::TargetFeatures => {
+                    let tm = create_target_machine(sess);
+                    unsafe { llvm::LLVMRustPrintTargetFeatures(tm); }
+                }
+                PrintRequest::RelocationModels => {
+                    println!("Available relocation models:");
+                    for &(name, _) in RELOC_MODEL_ARGS.iter() {
+                        println!("    {}", name);
+                    }
+                    println!("");
+                }
+                PrintRequest::CodeModels => {
+                    println!("Available code models:");
+                    for &(name, _) in CODE_GEN_MODEL_ARGS.iter(){
+                        println!("    {}", name);
+                    }
+                    println!("");
+                }
             }
         }
         return Compilation::Stop;