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report on LLVM codegen time

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This commit is contained in:
Folkert 2020-12-06 02:30:34 +01:00
parent ac77177932
commit 4fdf8e5fab
2 changed files with 43 additions and 9 deletions
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21
compiler/build/src/program.rs
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@ -7,8 +7,15 @@ use roc_gen::llvm::build::{build_proc, build_proc_header, module_from_builtins,
use roc_load::file::MonomorphizedModule;
use roc_mono::layout::LayoutIds;
use std::path::{Path, PathBuf};
use std::time::{Duration, SystemTime};
use target_lexicon::Triple;
#[derive(Debug, Clone, Copy, Default)]
pub struct CodeGenTiming {
pub code_gen: Duration,
pub emit_o_file: Duration,
}
// TODO how should imported modules factor into this? What if those use builtins too?
// TODO this should probably use more helper functions
// TODO make this polymorphic in the llvm functions so it can be reused for another backend.
@ -21,11 +28,13 @@ pub fn gen_from_mono_module(
app_o_file: &Path,
opt_level: OptLevel,
emit_debug_info: bool,
) {
) -> CodeGenTiming {
use roc_reporting::report::{
can_problem, mono_problem, type_problem, RocDocAllocator, DEFAULT_PALETTE,
};
let code_gen_start = SystemTime::now();
for (home, (module_path, src)) in loaded.sources {
let src_lines: Vec<&str> = src.split('\n').collect();
let palette = DEFAULT_PALETTE;
@ -160,6 +169,9 @@ pub fn gen_from_mono_module(
// Uncomment this to see the module's optimized LLVM instruction output:
// env.module.print_to_stderr();
let code_gen = code_gen_start.elapsed().unwrap();
let emit_o_file_start = SystemTime::now();
// annotate the LLVM IR output with debug info
// so errors are reported with the line number of the LLVM source
if emit_debug_info {
@ -232,6 +244,13 @@ pub fn gen_from_mono_module(
.write_to_file(&env.module, FileType::Object, &app_o_file)
.expect("Writing .o file failed");
}
let emit_o_file = emit_o_file_start.elapsed().unwrap();
CodeGenTiming {
emit_o_file,
code_gen,
}
}
pub struct FunctionIterator<'ctx> {