Merge pull request #2525 from rtfeldman/time-dev

Add timing info for dev and wasm backend

cli/src/build.rs

@@ -204,7 +204,11 @@ pub fn build_file<'a>(
     buf.push_str("Code Generation");
     buf.push('\n');
 
-    report_timing(buf, "Generate LLVM IR", code_gen_timing.code_gen);
+    report_timing(
+        buf,
+        "Generate Assembly from Mono IR",
+        code_gen_timing.code_gen,
+    );
     report_timing(buf, "Emit .o file", code_gen_timing.emit_o_file);
 
     let compilation_end = compilation_start.elapsed().unwrap();

compiler/build/src/program.rs

@@ -7,7 +7,7 @@ use roc_module::symbol::{Interns, ModuleId};
 use roc_mono::ir::OptLevel;
 use roc_region::all::LineInfo;
 use std::path::{Path, PathBuf};
-use std::time::Duration;
+use std::time::{Duration, SystemTime};
 
 use roc_collections::all::MutMap;
 #[cfg(feature = "target-wasm32")]
@@ -230,7 +230,6 @@ pub fn gen_from_mono_module_llvm(
     use inkwell::context::Context;
     use inkwell::module::Linkage;
     use inkwell::targets::{CodeModel, FileType, RelocMode};
-    use std::time::SystemTime;
 
     let code_gen_start = SystemTime::now();
 
@@ -486,6 +485,7 @@ fn gen_from_mono_module_dev_wasm32(
     loaded: MonomorphizedModule,
     app_o_file: &Path,
 ) -> CodeGenTiming {
+    let code_gen_start = SystemTime::now();
     let MonomorphizedModule {
         module_id,
         procedures,
@@ -519,9 +519,17 @@ fn gen_from_mono_module_dev_wasm32(
         procedures,
     );
 
+    let code_gen = code_gen_start.elapsed().unwrap();
+    let emit_o_file_start = SystemTime::now();
+
     std::fs::write(&app_o_file, &bytes).expect("failed to write object to file");
 
-    CodeGenTiming::default()
+    let emit_o_file = emit_o_file_start.elapsed().unwrap();
+
+    CodeGenTiming {
+        code_gen,
+        emit_o_file,
+    }
 }
 
 fn gen_from_mono_module_dev_assembly(
@@ -530,6 +538,8 @@ fn gen_from_mono_module_dev_assembly(
     target: &target_lexicon::Triple,
     app_o_file: &Path,
 ) -> CodeGenTiming {
+    let code_gen_start = SystemTime::now();
+
     let lazy_literals = true;
     let generate_allocators = false; // provided by the platform
 
@@ -551,10 +561,18 @@ fn gen_from_mono_module_dev_assembly(
 
     let module_object = roc_gen_dev::build_module(&env, &mut interns, target, procedures);
 
+    let code_gen = code_gen_start.elapsed().unwrap();
+    let emit_o_file_start = SystemTime::now();
+
     let module_out = module_object
         .write()
         .expect("failed to build output object");
     std::fs::write(&app_o_file, module_out).expect("failed to write object to file");
 
-    CodeGenTiming::default()
+    let emit_o_file = emit_o_file_start.elapsed().unwrap();
+
+    CodeGenTiming {
+        code_gen,
+        emit_o_file,
+    }
 }