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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
View File
@@ -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;
src/llvm_backend_opt.cpp
+169
View File
@@ -0,0 +1,169 @@
void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcpy_pass) {
if (!ignore_memcpy_pass) {
LLVMAddMemCpyOptPass(fpm);
}
if (build_context.optimization_level == 0) {
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddEarlyCSEPass(fpm);
// LLVMAddEarlyCSEMemSSAPass(fpm);
LLVMAddConstantPropagationPass(fpm);
LLVMAddMergedLoadStoreMotionPass(fpm);
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddCFGSimplificationPass(fpm);
// LLVMAddSLPVectorizePass(fpm);
// LLVMAddLoopVectorizePass(fpm);
// LLVMAddScalarizerPass(fpm);
// LLVMAddLoopIdiomPass(fpm);
return;
}
LLVMAddSCCPPass(fpm);
LLVMAddPromoteMemoryToRegisterPass(fpm);
LLVMAddUnifyFunctionExitNodesPass(fpm);
LLVMAddCFGSimplificationPass(fpm);
LLVMAddScalarReplAggregatesPass(fpm);
LLVMAddEarlyCSEPass(fpm);
LLVMAddLowerExpectIntrinsicPass(fpm);
}
void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm) {
LLVMAddScalarReplAggregatesPass(mpm);
LLVMAddEarlyCSEMemSSAPass(mpm);
LLVMAddGVNPass(mpm);
LLVMAddCFGSimplificationPass(mpm);
LLVMAddJumpThreadingPass(mpm);
if (build_context.optimization_level > 2) {
LLVMAddAggressiveInstCombinerPass(mpm);
}
LLVMAddInstructionCombiningPass(mpm);
LLVMAddSimplifyLibCallsPass(mpm);
LLVMAddTailCallEliminationPass(mpm);
LLVMAddCFGSimplificationPass(mpm);
LLVMAddReassociatePass(mpm);
LLVMAddLoopRotatePass(mpm);
LLVMAddLICMPass(mpm);
LLVMAddLoopUnswitchPass(mpm);
LLVMAddCFGSimplificationPass(mpm);
LLVMAddInstructionCombiningPass(mpm);
LLVMAddIndVarSimplifyPass(mpm);
LLVMAddLoopIdiomPass(mpm);
LLVMAddLoopDeletionPass(mpm);
LLVMAddLoopUnrollPass(mpm);
LLVMAddMergedLoadStoreMotionPass(mpm);
LLVMAddGVNPass(mpm);
LLVMAddMemCpyOptPass(mpm);
LLVMAddSCCPPass(mpm);
LLVMAddBitTrackingDCEPass(mpm);
LLVMAddInstructionCombiningPass(mpm);
LLVMAddJumpThreadingPass(mpm);
LLVMAddCorrelatedValuePropagationPass(mpm);
LLVMAddDeadStoreEliminationPass(mpm);
LLVMAddLICMPass(mpm);
LLVMAddLoopRerollPass(mpm);
LLVMAddAggressiveDCEPass(mpm);
LLVMAddCFGSimplificationPass(mpm);
LLVMAddInstructionCombiningPass(mpm);
}
void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPassManagerRef mpm) {
LLVMPassManagerBuilderRef pmb = LLVMPassManagerBuilderCreate();
LLVMPassManagerBuilderSetOptLevel(pmb, build_context.optimization_level);
LLVMPassManagerBuilderSetSizeLevel(pmb, build_context.optimization_level);
LLVMPassManagerBuilderPopulateLTOPassManager(pmb, mpm, false, true);
LLVMAddAlwaysInlinerPass(mpm);
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
LLVMAddPruneEHPass(mpm);
if (build_context.optimization_level == 0) {
// LLVMAddMergeFunctionsPass(mpm);
return;
}
LLVMAddGlobalDCEPass(mpm);
LLVMAddIPSCCPPass(mpm);
LLVMAddCalledValuePropagationPass(mpm);
LLVMAddGlobalOptimizerPass(mpm);
LLVMAddDeadArgEliminationPass(mpm);
// LLVMAddConstantMergePass(mpm); // ???
LLVMAddInstructionCombiningPass(mpm);
LLVMAddCFGSimplificationPass(mpm);
LLVMAddPruneEHPass(mpm);
LLVMAddFunctionInliningPass(mpm);
if (build_context.optimization_level > 2) {
LLVMAddArgumentPromotionPass(mpm);
}
lb_add_function_simplifcation_passes(mpm);
LLVMAddGlobalOptimizerPass(mpm);
// LLVMAddLowerConstantIntrinsicsPass(mpm);
LLVMAddLoopRotatePass(mpm);
LLVMAddLoopVectorizePass(mpm);
LLVMAddInstructionCombiningPass(mpm);
if (build_context.optimization_level >= 2) {
LLVMAddEarlyCSEPass(mpm);
LLVMAddCorrelatedValuePropagationPass(mpm);
LLVMAddLICMPass(mpm);
LLVMAddLoopUnswitchPass(mpm);
LLVMAddCFGSimplificationPass(mpm);
LLVMAddInstructionCombiningPass(mpm);
}
LLVMAddCFGSimplificationPass(mpm);
LLVMAddSLPVectorizePass(mpm);
LLVMAddLICMPass(mpm);
LLVMAddAlignmentFromAssumptionsPass(mpm);
LLVMAddStripDeadPrototypesPass(mpm);
if (build_context.optimization_level >= 2) {
LLVMAddGlobalDCEPass(mpm);
LLVMAddConstantMergePass(mpm);
}
LLVMAddCFGSimplificationPass(mpm);
#if 0
LLVMAddAlwaysInlinerPass(mpm);
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
if (build_context.optimization_level >= 2) {
LLVMAddArgumentPromotionPass(mpm);
LLVMAddConstantMergePass(mpm);
LLVMAddGlobalDCEPass(mpm);
LLVMAddDeadArgEliminationPass(mpm);
}
#endif
}