Rollup merge of #144592 - fee1-dead-contrib:target_spec, r=Noratrieb

generate list of all variants with `target_spec_enum`

This helps us avoid the hardcoded lists elsewhere.

r? ``@Noratrieb``

1 files changed, 3 insertions, 13 deletions

diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs
index 6fb23d09843..13bdb7cb1a2 100644
--- a/compiler/rustc_codegen_llvm/src/lib.rs
+++ b/compiler/rustc_codegen_llvm/src/lib.rs
@@ -45,6 +45,7 @@ use rustc_middle::util::Providers;
 use rustc_session::Session;
 use rustc_session::config::{OptLevel, OutputFilenames, PrintKind, PrintRequest};
 use rustc_span::Symbol;
+use rustc_target::spec::{RelocModel, TlsModel};
 
 mod abi;
 mod allocator;
@@ -244,16 +245,7 @@ impl CodegenBackend for LlvmCodegenBackend {
         match req.kind {
             PrintKind::RelocationModels => {
                 writeln!(out, "Available relocation models:").unwrap();
-                for name in &[
-                    "static",
-                    "pic",
-                    "pie",
-                    "dynamic-no-pic",
-                    "ropi",
-                    "rwpi",
-                    "ropi-rwpi",
-                    "default",
-                ] {
+                for name in RelocModel::ALL.iter().map(RelocModel::desc).chain(["default"]) {
                     writeln!(out, "    {name}").unwrap();
                 }
                 writeln!(out).unwrap();
@@ -267,9 +259,7 @@ impl CodegenBackend for LlvmCodegenBackend {
             }
             PrintKind::TlsModels => {
                 writeln!(out, "Available TLS models:").unwrap();
-                for name in
-                    &["global-dynamic", "local-dynamic", "initial-exec", "local-exec", "emulated"]
-                {
+                for name in TlsModel::ALL.iter().map(TlsModel::desc) {
                     writeln!(out, "    {name}").unwrap();
                 }
                 writeln!(out).unwrap();