Rollup merge of #76379 - petrochenkov:nodegen, r=Mark-Simulacrum

rustbuild: Remove `Mode::Codegen`

It's no longer used.

Author: Dylan-DPC

src/bootstrap/builder.rs

@@ -797,7 +797,7 @@ impl<'a> Builder<'a> {
         if cmd == "doc" || cmd == "rustdoc" {
             let my_out = match mode {
                 // This is the intended out directory for compiler documentation.
-                Mode::Rustc | Mode::ToolRustc | Mode::Codegen => self.compiler_doc_out(target),
+                Mode::Rustc | Mode::ToolRustc => self.compiler_doc_out(target),
                 Mode::Std => out_dir.join(target.triple).join("doc"),
                 _ => panic!("doc mode {:?} not expected", mode),
             };
@@ -875,7 +875,7 @@ impl<'a> Builder<'a> {
 
         match mode {
             Mode::Std | Mode::ToolBootstrap | Mode::ToolStd => {}
-            Mode::Rustc | Mode::Codegen | Mode::ToolRustc => {
+            Mode::Rustc | Mode::ToolRustc => {
                 // Build proc macros both for the host and the target
                 if target != compiler.host && cmd != "check" {
                     cargo.arg("-Zdual-proc-macros");
@@ -1060,7 +1060,7 @@ impl<'a> Builder<'a> {
         }
 
         let debuginfo_level = match mode {
-            Mode::Rustc | Mode::Codegen => self.config.rust_debuginfo_level_rustc,
+            Mode::Rustc => self.config.rust_debuginfo_level_rustc,
             Mode::Std => self.config.rust_debuginfo_level_std,
             Mode::ToolBootstrap | Mode::ToolStd | Mode::ToolRustc => {
                 self.config.rust_debuginfo_level_tools
@@ -1197,7 +1197,7 @@ impl<'a> Builder<'a> {
             rustdocflags.arg("-Winvalid_codeblock_attributes");
         }
 
-        if let Mode::Rustc | Mode::Codegen = mode {
+        if mode == Mode::Rustc {
             rustflags.arg("-Zunstable-options");
             rustflags.arg("-Wrustc::internal");
         }
@@ -1360,7 +1360,7 @@ impl<'a> Builder<'a> {
         // When we build Rust dylibs they're all intended for intermediate
         // usage, so make sure we pass the -Cprefer-dynamic flag instead of
         // linking all deps statically into the dylib.
-        if let Mode::Std | Mode::Rustc | Mode::Codegen = mode {
+        if matches!(mode, Mode::Std | Mode::Rustc) {
             rustflags.arg("-Cprefer-dynamic");
         }
 

src/bootstrap/lib.rs

@@ -298,9 +298,6 @@ pub enum Mode {
     /// Build librustc, and compiler libraries, placing output in the "stageN-rustc" directory.
     Rustc,
 
-    /// Build codegen libraries, placing output in the "stageN-codegen" directory
-    Codegen,
-
     /// Build a tool, placing output in the "stage0-bootstrap-tools"
     /// directory. This is for miscellaneous sets of tools that are built
     /// using the bootstrap stage0 compiler in its entirety (target libraries
@@ -570,7 +567,6 @@ impl Build {
         let suffix = match mode {
             Mode::Std => "-std",
             Mode::Rustc => "-rustc",
-            Mode::Codegen => "-codegen",
             Mode::ToolBootstrap => "-bootstrap-tools",
             Mode::ToolStd | Mode::ToolRustc => "-tools",
         };