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Move LLVM optimization procedures to a separate file to aid with organization

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This commit is contained in:
gingerBill
2021-03-23 18:24:49 +00:00
parent ccd91aee5c
commit 7f6a43f0af
2 changed files with 201 additions and 89 deletions
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src/llvm_backend.cpp
+32 -89
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@@ -1,5 +1,6 @@
#include "llvm_backend.hpp"
#include "llvm_abi.cpp"
#include "llvm_backend_opt.cpp"
gb_global lbAddr lb_global_type_info_data = {};
gb_global lbAddr lb_global_type_info_member_types = {};
@@ -12832,7 +12833,6 @@ void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info da
}
}
void lb_generate_code(lbGenerator *gen) {
#define TIME_SECTION(str) do { if (build_context.show_more_timings) timings_start_section(&global_timings, str_lit(str)); } while (0)
@@ -13160,6 +13160,34 @@ void lb_generate_code(lbGenerator *gen) {
lb_add_entity(m, e, g);
lb_add_member(m, name, g);
if (m->debug_builder) {
String global_name = e->token.string;
if (global_name.len != 0 && global_name != "_") {
LLVMMetadataRef llvm_file = lb_get_llvm_metadata(m, e->file);
LLVMMetadataRef llvm_scope = llvm_file;
LLVMBool local_to_unit = e->flags & EntityFlag_Static;
LLVMMetadataRef llvm_expr = LLVMDIBuilderCreateExpression(m->debug_builder, nullptr, 0);
LLVMMetadataRef llvm_decl = nullptr;
u32 align_in_bits = cast(u32)(8*type_align_of(e->type));
LLVMMetadataRef global_variable_metadata = LLVMDIBuilderCreateGlobalVariableExpression(
m->debug_builder, llvm_scope,
cast(char const *)global_name.text, global_name.len,
"", 0, // linkage
llvm_file, e->token.pos.line,
lb_debug_type(m, e->type),
local_to_unit,
llvm_expr,
llvm_decl,
align_in_bits
);
}
}
}
@@ -13227,85 +13255,14 @@ void lb_generate_code(lbGenerator *gen) {
defer (LLVMDisposePassManager(default_function_pass_manager));
LLVMInitializeFunctionPassManager(default_function_pass_manager);
{
auto dfpm = default_function_pass_manager;
if (build_context.optimization_level == 0) {
LLVMAddMemCpyOptPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddEarlyCSEPass(dfpm);
LLVMAddEarlyCSEMemSSAPass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
// LLVMAddAggressiveDCEPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCFGSimplificationPass(dfpm);
// LLVMAddInstructionCombiningPass(dfpm);
LLVMAddSLPVectorizePass(dfpm);
LLVMAddLoopVectorizePass(dfpm);
LLVMAddScalarizerPass(dfpm);
LLVMAddLoopIdiomPass(dfpm);
} else {
bool do_extra_passes = true;
int repeat_count = cast(int)build_context.optimization_level;
do {
LLVMAddMemCpyOptPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddAlignmentFromAssumptionsPass(dfpm);
LLVMAddEarlyCSEPass(dfpm);
LLVMAddEarlyCSEMemSSAPass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
if (do_extra_passes) {
// LLVMAddAggressiveDCEPass(dfpm);
}
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCFGSimplificationPass(dfpm);
LLVMAddTailCallEliminationPass(dfpm);
if (do_extra_passes) {
LLVMAddSLPVectorizePass(dfpm);
LLVMAddLoopVectorizePass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
LLVMAddScalarizerPass(dfpm);
LLVMAddLoopIdiomPass(dfpm);
// LLVMAddAggressiveInstCombinerPass(dfpm);
LLVMAddLowerExpectIntrinsicPass(dfpm);
LLVMAddDeadStoreEliminationPass(dfpm);
LLVMAddReassociatePass(dfpm);
LLVMAddAddDiscriminatorsPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCorrelatedValuePropagationPass(dfpm);
}
} while (repeat_count --> 0);
}
}
lb_populate_function_pass_manager(default_function_pass_manager, false);
LLVMFinalizeFunctionPassManager(default_function_pass_manager);
LLVMPassManagerRef default_function_pass_manager_without_memcpy = LLVMCreateFunctionPassManagerForModule(mod);
defer (LLVMDisposePassManager(default_function_pass_manager_without_memcpy));
LLVMInitializeFunctionPassManager(default_function_pass_manager_without_memcpy);
{
auto dfpm = default_function_pass_manager_without_memcpy;
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddUnifyFunctionExitNodesPass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
// LLVMAddAggressiveDCEPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCFGSimplificationPass(dfpm);
}
lb_populate_function_pass_manager(default_function_pass_manager_without_memcpy, true);
LLVMFinalizeFunctionPassManager(default_function_pass_manager_without_memcpy);
TIME_SECTION("LLVM Runtime Type Information Creation");
@@ -13630,22 +13587,8 @@ void lb_generate_code(lbGenerator *gen) {
LLVMPassManagerRef module_pass_manager = LLVMCreatePassManager();
defer (LLVMDisposePassManager(module_pass_manager));
LLVMAddAlwaysInlinerPass(module_pass_manager);
LLVMAddStripDeadPrototypesPass(module_pass_manager);
LLVMAddAnalysisPasses(target_machine, module_pass_manager);
if (build_context.optimization_level >= 2) {
LLVMAddArgumentPromotionPass(module_pass_manager);
LLVMAddConstantMergePass(module_pass_manager);
LLVMAddGlobalDCEPass(module_pass_manager);
LLVMAddDeadArgEliminationPass(module_pass_manager);
}
lb_populate_module_pass_manager(target_machine, module_pass_manager);
LLVMPassManagerBuilderRef pass_manager_builder = LLVMPassManagerBuilderCreate();
defer (LLVMPassManagerBuilderDispose(pass_manager_builder));
LLVMPassManagerBuilderSetOptLevel(pass_manager_builder, build_context.optimization_level);
LLVMPassManagerBuilderSetSizeLevel(pass_manager_builder, build_context.optimization_level);
LLVMPassManagerBuilderPopulateLTOPassManager(pass_manager_builder, module_pass_manager, false, false);
LLVMRunPassManager(module_pass_manager, mod);
llvm_error = nullptr;