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LLVM: speed improvement changes.

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This commit is contained in:
Joshua Huelsman
2020-03-09 03:21:08 -04:00
parent bf0c6f5a30
commit 4468ddf8f8
1 changed files with 31 additions and 29 deletions
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60
src/llvm_backend.cpp
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@@ -10157,6 +10157,33 @@ void lb_generate_code(lbGenerator *gen) {
auto *min_dep_set = &info->minimum_dependency_set;
TIME_SECTION("LLVM Initializtion");
LLVMInitializeAllTargetInfos();
LLVMInitializeAllTargets();
LLVMInitializeAllTargetMCs();
LLVMInitializeAllAsmPrinters();
LLVMInitializeAllAsmParsers();
LLVMInitializeAllDisassemblers();
LLVMInitializeNativeTarget();
char const *target_triple = "x86_64-pc-windows-msvc";
char const *target_data_layout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128";
LLVMSetTarget(mod, target_triple);
LLVMTargetRef target = {};
char *llvm_error = nullptr;
LLVMGetTargetFromTriple(target_triple, &target, &llvm_error);
GB_ASSERT(target != nullptr);
TIME_SECTION("LLVM Create Target Machine");
LLVMTargetMachineRef target_machine = LLVMCreateTargetMachine(target, target_triple, "generic", "", LLVMCodeGenLevelNone, LLVMRelocDefault, LLVMCodeModelDefault);
defer (LLVMDisposeTargetMachine(target_machine));
LLVMSetModuleDataLayout(mod, LLVMCreateTargetDataLayout(target_machine));
{ // Debug Info
for_array(i, info->files.entries) {
AstFile *f = info->files.entries[i].value;
@@ -10467,9 +10494,10 @@ void lb_generate_code(lbGenerator *gen) {
LLVMPassManagerRef function_pass_manager = LLVMCreateFunctionPassManagerForModule(mod);
defer (LLVMDisposePassManager(function_pass_manager));
LLVMAddMemCpyOptPass(function_pass_manager);
LLVMAddPromoteMemoryToRegisterPass(function_pass_manager);
LLVMAddMergedLoadStoreMotionPass(function_pass_manager);
LLVMAddDeadStoreEliminationPass(function_pass_manager);
// LLVMAddDeadStoreEliminationPass(function_pass_manager);
LLVMAddAggressiveInstCombinerPass(function_pass_manager);
LLVMAddConstantPropagationPass(function_pass_manager);
LLVMAddAggressiveDCEPass(function_pass_manager);
@@ -10595,6 +10623,7 @@ void lb_generate_code(lbGenerator *gen) {
defer (LLVMDisposePassManager(module_pass_manager));
LLVMAddAlwaysInlinerPass(module_pass_manager);
LLVMAddStripDeadPrototypesPass(module_pass_manager);
// LLVMAddConstantMergePass(module_pass_manager);
LLVMPassManagerBuilderRef pass_manager_builder = LLVMPassManagerBuilderCreate();
defer (LLVMPassManagerBuilderDispose(pass_manager_builder));
@@ -10604,10 +10633,7 @@ void lb_generate_code(lbGenerator *gen) {
LLVMPassManagerBuilderPopulateLTOPassManager(pass_manager_builder, module_pass_manager, false, false);
LLVMRunPassManager(module_pass_manager, mod);
char *llvm_error = nullptr;
llvm_error = nullptr;
defer (LLVMDisposeMessage(llvm_error));
String filepath_ll = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".ll"));
@@ -10624,30 +10650,6 @@ void lb_generate_code(lbGenerator *gen) {
LLVMVerifyModule(mod, LLVMAbortProcessAction, &llvm_error);
llvm_error = nullptr;
TIME_SECTION("LLVM Initializtion");
LLVMInitializeAllTargetInfos();
LLVMInitializeAllTargets();
LLVMInitializeAllTargetMCs();
LLVMInitializeAllAsmPrinters();
LLVMInitializeAllAsmParsers();
LLVMInitializeAllDisassemblers();
LLVMInitializeNativeTarget();
char const *target_triple = "x86_64-pc-windows-msvc";
char const *target_data_layout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128";
LLVMSetTarget(mod, target_triple);
LLVMTargetRef target = {};
LLVMGetTargetFromTriple(target_triple, &target, &llvm_error);
GB_ASSERT(target != nullptr);
TIME_SECTION("LLVM Create Target Machine");
LLVMTargetMachineRef target_machine = LLVMCreateTargetMachine(target, target_triple, "generic", "", LLVMCodeGenLevelNone, LLVMRelocDefault, LLVMCodeModelDefault);
defer (LLVMDisposeTargetMachine(target_machine));
TIME_SECTION("LLVM Object Generation");
LLVMBool ok = LLVMTargetMachineEmitToFile(target_machine, mod, cast(char *)filepath_obj.text, LLVMObjectFile, &llvm_error);