core: Switch to LLVM New Pass Manager

This commit is contained in:
David Mak 2023-09-11 13:14:35 +08:00 committed by David Mak
parent 70cb0bd898
commit 5722f3397e
4 changed files with 514 additions and 342 deletions

View File

@ -8,7 +8,7 @@ use std::sync::Arc;
use inkwell::{
memory_buffer::MemoryBuffer,
module::{Linkage, Module},
passes::{PassManager, PassManagerBuilder},
passes::{PassBuilderOptions, PassManager, PassManagerBuilder},
targets::*,
OptimizationLevel,
};
@ -654,12 +654,27 @@ impl Nac3 {
global_option = global.get_next_global();
}
let target_machine = self.llvm_options.target
.create_target_machine(self.llvm_options.opt_level)
.expect("couldn't create target machine");
if self.llvm_options.legacy_pm {
let builder = PassManagerBuilder::create();
builder.set_optimization_level(OptimizationLevel::Aggressive);
let passes = PassManager::create(());
builder.set_inliner_with_threshold(255);
builder.populate_module_pass_manager(&passes);
passes.run_on(&main);
} else {
let pass_options = PassBuilderOptions::create();
pass_options.set_merge_functions(true);
let result = main.run_passes("default<O3>", &target_machine, pass_options);
if let Err(err) = result {
println!("Failed to run optimization for module `main`");
println!("{}", err.to_string());
panic!();
}
}
link_fn(&main)
}
@ -902,7 +917,8 @@ impl Nac3 {
deferred_eval_store: DeferredEvaluationStore::new(),
llvm_options: CodeGenLLVMOptions {
opt_level: OptimizationLevel::Default,
legacy_pm: true,
// FIXME(Derppening): Add a field to device_db.py for modifying this option
legacy_pm: false,
target: Nac3::get_llvm_target_options(isa),
emit_llvm: false,
}

View File

@ -15,7 +15,7 @@ use inkwell::{
builder::Builder,
context::Context,
module::Module,
passes::{PassManager, PassManagerBuilder},
passes::{PassBuilderOptions, PassManager, PassManagerBuilder},
targets::{CodeModel, RelocMode, Target, TargetMachine, TargetTriple},
types::{AnyType, BasicType, BasicTypeEnum},
values::{BasicValueEnum, FunctionValue, PhiValue, PointerValue},
@ -308,7 +308,8 @@ impl WorkerRegistry {
context.i32_type().const_int(4, false),
);
let passes = PassManager::create(&module);
let passes = if self.llvm_options.legacy_pm {
let pm = PassManager::create(&module);
// HACK: This critical section is a work-around for issue
// https://git.m-labs.hk/M-Labs/nac3/issues/275
@ -316,15 +317,24 @@ impl WorkerRegistry {
let _data = PASSES_INIT_LOCK.lock();
let pass_builder = PassManagerBuilder::create();
pass_builder.set_optimization_level(self.llvm_options.opt_level);
pass_builder.populate_function_pass_manager(&passes);
pass_builder.populate_function_pass_manager(&pm);
}
Some(pm)
} else {
None
};
let mut errors = HashSet::new();
while let Some(task) = self.receiver.recv().unwrap() {
match gen_func(&context, generator, self, builder, module, task) {
Ok(result) => {
builder = result.0;
passes.run_on(&result.2);
if let Some(pm) = &passes {
pm.run_on(&result.2);
};
module = result.1;
}
Err((old_builder, e)) => {
@ -348,6 +358,21 @@ impl WorkerRegistry {
panic!()
}
if !self.llvm_options.legacy_pm {
let pass_options = PassBuilderOptions::create();
let target_machine = self.llvm_options.target.create_target_machine(
self.llvm_options.opt_level
).expect(format!("could not create target machine from properties {:?}", self.llvm_options.target).as_str());
let passes = format!("default<O{}>", self.llvm_options.opt_level as u32);
let result = module.run_passes(passes.as_str(), &target_machine, pass_options);
if let Err(err) = result {
println!("Failed to run optimization for module `{}`", module.get_name().to_str().unwrap());
println!("{}", err.to_string());
panic!();
}
}
if self.llvm_options.emit_llvm {
println!("LLVM IR for {}", module.get_name().to_str().unwrap());
println!("{}", module.to_string());

View File

@ -13,7 +13,10 @@ use crate::{
},
};
use indoc::indoc;
use inkwell::OptimizationLevel;
use inkwell::{
targets::{InitializationConfig, Target},
OptimizationLevel,
};
use nac3parser::{
ast::{fold::Fold, StrRef},
parser::parse_program,
@ -21,6 +24,7 @@ use nac3parser::{
use parking_lot::RwLock;
use std::collections::{HashMap, HashSet};
use std::sync::Arc;
use test_case::test_case;
struct Resolver {
id_to_type: HashMap<StrRef, Type>,
@ -77,8 +81,100 @@ impl SymbolResolver for Resolver {
}
}
#[test]
fn test_primitives() {
struct CodeGenTestInput {
expected: String,
legacy_pm: bool
}
#[test_case(
vec![
CodeGenTestInput {
expected: indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone willreturn
define i32 @testing(i32 %0, i32 %1) local_unnamed_addr #0 !dbg !4 {
init:
%add = add i32 %1, %0, !dbg !9
%cmp = icmp eq i32 %add, 1, !dbg !10
%. = select i1 %cmp, i32 %0, i32 0, !dbg !11
ret i32 %., !dbg !12
}
attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone willreturn }
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}
!0 = !{i32 2, !\"Debug Info Version\", i32 3}
!1 = !{i32 2, !\"Dwarf Version\", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: \"unknown\", directory: \"\")
!4 = distinct !DISubprogram(name: \"testing\", linkageName: \"testing\", scope: null, file: !3, line: 1, type: !5, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !8)
!5 = !DISubroutineType(flags: DIFlagPublic, types: !6)
!6 = !{!7}
!7 = !DIBasicType(name: \"_\", flags: DIFlagPublic)
!8 = !{}
!9 = !DILocation(line: 1, column: 9, scope: !4)
!10 = !DILocation(line: 2, column: 15, scope: !4)
!11 = !DILocation(line: 0, scope: !4)
!12 = !DILocation(line: 3, column: 8, scope: !4)
"}.trim().to_string(),
legacy_pm: false,
},
CodeGenTestInput {
expected: indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0, i32 %1) !dbg !4 {
init:
%add = add i32 %0, %1, !dbg !9
%cmp = icmp eq i32 %add, 1, !dbg !10
br i1 %cmp, label %then, label %else, !dbg !10
then: ; preds = %init
br label %cont, !dbg !11
else: ; preds = %init
br label %cont, !dbg !12
cont: ; preds = %else, %then
%if_exp_result.0 = phi i32 [ %0, %then ], [ 0, %else ], !dbg !13
ret i32 %if_exp_result.0, !dbg !14
}
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}
!0 = !{i32 2, !\"Debug Info Version\", i32 3}
!1 = !{i32 2, !\"Dwarf Version\", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: \"unknown\", directory: \"\")
!4 = distinct !DISubprogram(name: \"testing\", linkageName: \"testing\", scope: null, file: !3, line: 1, type: !5, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !8)
!5 = !DISubroutineType(flags: DIFlagPublic, types: !6)
!6 = !{!7}
!7 = !DIBasicType(name: \"_\", flags: DIFlagPublic)
!8 = !{}
!9 = !DILocation(line: 1, column: 9, scope: !4)
!10 = !DILocation(line: 2, column: 15, scope: !4)
!11 = !DILocation(line: 2, column: 5, scope: !4)
!12 = !DILocation(line: 2, column: 22, scope: !4)
!13 = !DILocation(line: 0, scope: !4)
!14 = !DILocation(line: 3, column: 8, scope: !4)
"}.trim().to_string(),
legacy_pm: true,
}
];
"primitives codegen"
)]
fn test_primitives(inputs: Vec<CodeGenTestInput>) {
Target::initialize_all(&InitializationConfig::default());
for input in inputs {
let CodeGenTestInput { expected, legacy_pm } = input;
let source = indoc! { "
c = a + b
d = a if c == 1 else 0
@ -159,7 +255,8 @@ fn test_primitives() {
signature,
id: 0,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
let f = Arc::new(WithCall::new(Box::new(move |module| {
// the following IR is equivalent to
// ```
// ; ModuleID = 'test.ll'
@ -177,54 +274,12 @@ fn test_primitives() {
// attributes #0 = { norecurse nounwind readnone }
// ```
// after O2 optimization
let expected = indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0, i32 %1) !dbg !4 {
init:
%add = add i32 %0, %1, !dbg !9
%cmp = icmp eq i32 %add, 1, !dbg !10
br i1 %cmp, label %then, label %else, !dbg !10
then: ; preds = %init
br label %cont, !dbg !11
else: ; preds = %init
br label %cont, !dbg !12
cont: ; preds = %else, %then
%if_exp_result.0 = phi i32 [ %0, %then ], [ 0, %else ], !dbg !13
ret i32 %if_exp_result.0, !dbg !14
}
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}
!0 = !{i32 2, !\"Debug Info Version\", i32 3}
!1 = !{i32 2, !\"Dwarf Version\", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: \"unknown\", directory: \"\")
!4 = distinct !DISubprogram(name: \"testing\", linkageName: \"testing\", scope: null, file: !3, line: 1, type: !5, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !8)
!5 = !DISubroutineType(flags: DIFlagPublic, types: !6)
!6 = !{!7}
!7 = !DIBasicType(name: \"_\", flags: DIFlagPublic)
!8 = !{}
!9 = !DILocation(line: 1, column: 9, scope: !4)
!10 = !DILocation(line: 2, column: 15, scope: !4)
!11 = !DILocation(line: 2, column: 5, scope: !4)
!12 = !DILocation(line: 2, column: 22, scope: !4)
!13 = !DILocation(line: 0, scope: !4)
!14 = !DILocation(line: 3, column: 8, scope: !4)
"}
.trim();
assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
})));
let llvm_options = CodeGenLLVMOptions {
opt_level: OptimizationLevel::Default,
legacy_pm: true,
legacy_pm,
target: CodeGenTargetMachineOptions::from_host_triple(),
emit_llvm: false,
};
@ -236,10 +291,98 @@ fn test_primitives() {
);
registry.add_task(task);
registry.wait_tasks_complete(handles);
}
}
#[test]
fn test_simple_call() {
#[test_case(
vec![
CodeGenTestInput {
expected: indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone willreturn
define i32 @testing(i32 %0) local_unnamed_addr #0 !dbg !5 {
init:
%add.i = shl i32 %0, 1, !dbg !10
%mul = add i32 %add.i, 2, !dbg !10
ret i32 %mul, !dbg !10
}
; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone willreturn
define i32 @foo.0(i32 %0) local_unnamed_addr #0 !dbg !11 {
init:
%add = add i32 %0, 1, !dbg !12
ret i32 %add, !dbg !12
}
attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone willreturn }
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2, !4}
!0 = !{i32 2, !\"Debug Info Version\", i32 3}
!1 = !{i32 2, !\"Dwarf Version\", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: \"unknown\", directory: \"\")
!4 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!5 = distinct !DISubprogram(name: \"testing\", linkageName: \"testing\", scope: null, file: !3, line: 1, type: !6, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
!6 = !DISubroutineType(flags: DIFlagPublic, types: !7)
!7 = !{!8}
!8 = !DIBasicType(name: \"_\", flags: DIFlagPublic)
!9 = !{}
!10 = !DILocation(line: 2, column: 12, scope: !5)
!11 = distinct !DISubprogram(name: \"foo.0\", linkageName: \"foo.0\", scope: null, file: !3, line: 1, type: !6, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !4, retainedNodes: !9)
!12 = !DILocation(line: 1, column: 12, scope: !11)
"}.trim().to_string(),
legacy_pm: false,
},
CodeGenTestInput {
expected: indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0) !dbg !5 {
init:
%call = call i32 @foo.0(i32 %0), !dbg !10
%mul = mul i32 %call, 2, !dbg !11
ret i32 %mul, !dbg !11
}
define i32 @foo.0(i32 %0) !dbg !12 {
init:
%add = add i32 %0, 1, !dbg !13
ret i32 %add, !dbg !13
}
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2, !4}
!0 = !{i32 2, !\"Debug Info Version\", i32 3}
!1 = !{i32 2, !\"Dwarf Version\", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: \"unknown\", directory: \"\")
!4 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!5 = distinct !DISubprogram(name: \"testing\", linkageName: \"testing\", scope: null, file: !3, line: 1, type: !6, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
!6 = !DISubroutineType(flags: DIFlagPublic, types: !7)
!7 = !{!8}
!8 = !DIBasicType(name: \"_\", flags: DIFlagPublic)
!9 = !{}
!10 = !DILocation(line: 1, column: 9, scope: !5)
!11 = !DILocation(line: 2, column: 12, scope: !5)
!12 = distinct !DISubprogram(name: \"foo.0\", linkageName: \"foo.0\", scope: null, file: !3, line: 1, type: !6, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !4, retainedNodes: !9)
!13 = !DILocation(line: 1, column: 12, scope: !12)
"}.trim().to_string(),
legacy_pm: true,
}
];
"primitives codegen"
)]
fn test_simple_call(inputs: Vec<CodeGenTestInput>) {
Target::initialize_all(&InitializationConfig::default());
for input in inputs {
let CodeGenTestInput { expected, legacy_pm } = input;
let source_1 = indoc! { "
a = foo(a)
return a * 2
@ -369,49 +512,14 @@ fn test_simple_call() {
store,
id: 0,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
let expected = indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0) !dbg !5 {
init:
%call = call i32 @foo.0(i32 %0), !dbg !10
%mul = mul i32 %call, 2, !dbg !11
ret i32 %mul, !dbg !11
}
define i32 @foo.0(i32 %0) !dbg !12 {
init:
%add = add i32 %0, 1, !dbg !13
ret i32 %add, !dbg !13
}
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2, !4}
!0 = !{i32 2, !\"Debug Info Version\", i32 3}
!1 = !{i32 2, !\"Dwarf Version\", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!3 = !DIFile(filename: \"unknown\", directory: \"\")
!4 = distinct !DICompileUnit(language: DW_LANG_Python, file: !3, producer: \"NAC3\", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
!5 = distinct !DISubprogram(name: \"testing\", linkageName: \"testing\", scope: null, file: !3, line: 1, type: !6, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
!6 = !DISubroutineType(flags: DIFlagPublic, types: !7)
!7 = !{!8}
!8 = !DIBasicType(name: \"_\", flags: DIFlagPublic)
!9 = !{}
!10 = !DILocation(line: 1, column: 9, scope: !5)
!11 = !DILocation(line: 2, column: 12, scope: !5)
!12 = distinct !DISubprogram(name: \"foo.0\", linkageName: \"foo.0\", scope: null, file: !3, line: 1, type: !6, scopeLine: 1, flags: DIFlagPublic, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !4, retainedNodes: !9)
!13 = !DILocation(line: 1, column: 12, scope: !12)
"}
.trim();
let f = Arc::new(WithCall::new(Box::new(move |module| {
assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
})));
let llvm_options = CodeGenLLVMOptions {
opt_level: OptimizationLevel::Default,
legacy_pm: true,
legacy_pm,
target: CodeGenTargetMachineOptions::from_host_triple(),
emit_llvm: false,
};
@ -423,4 +531,5 @@ fn test_simple_call() {
);
registry.add_task(task);
registry.wait_tasks_complete(handles);
}
}

View File

@ -1,7 +1,7 @@
use clap::Parser;
use inkwell::{
memory_buffer::MemoryBuffer,
passes::{PassManager, PassManagerBuilder},
passes::{PassBuilderOptions, PassManager, PassManagerBuilder},
targets::*,
OptimizationLevel,
};
@ -49,6 +49,10 @@ struct CommandLineArgs {
/// Whether to emit LLVM IR at the end of every module.
#[arg(long, default_value_t = false)]
emit_llvm: bool,
/// Whether to use LLVM's Legacy Pass Manager for optimizations.
#[arg(long, default_value_t = false)]
legacy_pm: bool,
}
fn handle_typevar_definition(
@ -177,7 +181,13 @@ fn handle_assignment_pattern(
fn main() {
let cli = CommandLineArgs::parse();
let CommandLineArgs { file_name, threads, opt_level, emit_llvm } = cli;
let CommandLineArgs {
file_name,
threads,
opt_level,
emit_llvm,
legacy_pm,
} = cli;
let opt_level = match opt_level {
0 => OptimizationLevel::None,
1 => OptimizationLevel::Less,
@ -272,7 +282,7 @@ fn main() {
let llvm_options = CodeGenLLVMOptions {
opt_level,
legacy_pm: true,
legacy_pm,
target: CodeGenTargetMachineOptions::from_host_triple(),
emit_llvm,
};
@ -326,16 +336,28 @@ fn main() {
function_iter = func.get_next_function();
}
let target_machine = llvm_options.target
.create_target_machine(llvm_options.opt_level)
.expect("couldn't create target machine");
if legacy_pm {
let builder = PassManagerBuilder::create();
builder.set_optimization_level(OptimizationLevel::Aggressive);
let passes = PassManager::create(());
builder.set_inliner_with_threshold(255);
builder.populate_module_pass_manager(&passes);
passes.run_on(&main);
} else {
let pass_options = PassBuilderOptions::create();
pass_options.set_merge_functions(true);
let result = main.run_passes("default<O3>", &target_machine, pass_options);
if let Err(err) = result {
println!("Failed to run optimization for module `main`");
println!("{}", err.to_string());
panic!();
}
}
let target_machine = llvm_options.target
.create_target_machine(llvm_options.opt_level)
.expect("couldn't create target machine");
target_machine
.write_to_file(&main, FileType::Object, Path::new("module.o"))
.expect("couldn't write module to file");