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WIP add llvm optimisation passes

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Luke Boswell 2024-07-31 05:22:40 +10:00
parent 67d7f0a933
commit 4c9610b147
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3 changed files with 50 additions and 1 deletions
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34
crates/compiler/build/src/program.rs
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@ -3,6 +3,10 @@ use crate::link::{
};
use bumpalo::Bump;
use inkwell::memory_buffer::MemoryBuffer;
use inkwell::{
passes::PassBuilderOptions,
targets::{InitializationConfig, TargetMachine},
};
use roc_error_macros::internal_error;
use roc_gen_dev::AssemblyBackendMode;
use roc_gen_llvm::llvm::build::{module_from_builtins, LlvmBackendMode};
@ -259,8 +263,36 @@ fn gen_from_mono_module_llvm<'a>(
// Uncomment this to see the module's optimized LLVM instruction output:
// env.module.print_to_stderr();
//
inkwell::targets::Target::initialize_all(&InitializationConfig::default());
let target_triple = TargetMachine::get_default_triple();
let inkwell_target = inkwell::targets::Target::from_triple(&target_triple).unwrap();
let inkwell_opt_level = match opt_level {
OptLevel::Development | OptLevel::Normal => inkwell::OptimizationLevel::None,
OptLevel::Size => inkwell::OptimizationLevel::Default,
OptLevel::Optimize => inkwell::OptimizationLevel::Aggressive,
};
mpm.run_on(module);
let inkwell_target_machine = inkwell_target
.create_target_machine(
&target_triple,
"generic",
"",
inkwell_opt_level,
inkwell::targets::RelocMode::PIC,
inkwell::targets::CodeModel::Default,
)
.unwrap();
module
.run_passes(
crate::llvm_passes::get_llvm_passes_str(opt_level),
&inkwell_target_machine,
PassBuilderOptions::create(),
)
.expect("valid llvm optimization passes");
// mpm.run_on(module);
// Verify the module
if let Err(errors) = env.module.verify() {