Show files produced by --emit foo in json artifact notifications

compiler/rustc_codegen_gcc/src/back/write.rs

@@ -79,13 +79,19 @@ pub(crate) unsafe fn codegen(
  if config.emit_ir {
  let out = cgcx.output_filenames.temp_path(OutputType::LlvmAssembly, module_name);
  std::fs::write(out, "").expect("write file");
+ if config.json_artifact_notifications {
+ dcx.emit_artifact_notification(&out, "llvm_ir");
+ }
  }
 
  if config.emit_asm {
  let _timer =
  cgcx.prof.generic_activity_with_arg("GCC_module_codegen_emit_asm", &*module.name);
  let path = cgcx.output_filenames.temp_path(OutputType::Assembly, module_name);
  context.compile_to_file(OutputKind::Assembler, path.to_str().expect("path to str"));
+ if config.json_artifact_notifications {
+ dcx.emit_artifact_notification(path, "asm");
+ }
  }
 
  match config.emit_obj {

compiler/rustc_codegen_llvm/src/back/write.rs

@@ -781,6 +781,10 @@ pub(crate) unsafe fn codegen(
  }
 
  result.into_result().map_err(|()| llvm_err(dcx, LlvmError::WriteIr { path: &out }))?;
+
+ if config.json_artifact_notifications {
+ dcx.emit_artifact_notification(&out, "llvm_ir");
+ }
  }
 
  if config.emit_asm {
@@ -809,6 +813,10 @@ pub(crate) unsafe fn codegen(
  &cgcx.prof,
  )
  })?;
+
+ if config.json_artifact_notifications {
+ dcx.emit_artifact_notification(&path, "asm");
+ }
  }
 
  match config.emit_obj {

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -106,6 +106,7 @@ pub struct ModuleConfig {
  pub emit_asm: bool,
  pub emit_obj: EmitObj,
  pub emit_thin_lto: bool,
+ pub json_artifact_notifications: bool,
  pub bc_cmdline: String,
 
  // Miscellaneous flags. These are mostly copied from command-line
@@ -276,6 +277,7 @@ impl ModuleConfig {
  inline_threshold: sess.opts.cg.inline_threshold,
  emit_lifetime_markers: sess.emit_lifetime_markers(),
  llvm_plugins: if_regular!(sess.opts.unstable_opts.llvm_plugins.clone(), vec![]),
+ json_artifact_notifications: sess.opts.json_artifact_notifications,
  }
  }
 

src/doc/rustc/src/json.md

@@ -229,6 +229,8 @@ flag][option-emit] documentation.
  - "link": The generated crate as specified by the crate-type.
  - "dep-info": The `.d` file with dependency information in a Makefile-like syntax.
  - "metadata": The Rust `.rmeta` file containing metadata about the crate.
+ - "asm": The `.s` file with generated assembly
+ - "llvm_ir": The `.ll` file with generated textual LLVM IR
  */
  "emit": "link"
 }