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Integrate linker code with the new LLVM API backend

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This commit is contained in:
gingerBill
2020-03-08 17:44:08 +00:00
parent 28502ba53b
commit dae817e5ab
4 changed files with 338 additions and 8 deletions
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21
src/llvm_backend.cpp
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@@ -9384,6 +9384,8 @@ bool lb_init_generator(lbGenerator *gen, Checker *c) {
}
}
gbAllocator ha = heap_allocator();
array_init(&gen->output_object_paths, ha);
gen->output_base = path_to_full_path(ha, gen->output_base);
gbString output_file_path = gb_string_make_length(ha, gen->output_base.text, gen->output_base.len);
@@ -9394,6 +9396,7 @@ bool lb_init_generator(lbGenerator *gen, Checker *c) {
lb_init_module(&gen->module, c);
return true;
}
@@ -10362,6 +10365,7 @@ void lb_generate_code(lbGenerator *gen) {
LLVMAddPromoteMemoryToRegisterPass(function_pass_manager);
LLVMAddMergedLoadStoreMotionPass(function_pass_manager);
LLVMAddDeadStoreEliminationPass(function_pass_manager);
LLVMAddAggressiveInstCombinerPass(function_pass_manager);
LLVMAddConstantPropagationPass(function_pass_manager);
LLVMAddAggressiveDCEPass(function_pass_manager);
@@ -10376,6 +10380,7 @@ void lb_generate_code(lbGenerator *gen) {
}
}
TIME_SECTION("LLVM Runtime Creation");
lbProcedure *startup_runtime = nullptr;
{ // Startup Runtime
@@ -10502,12 +10507,15 @@ void lb_generate_code(lbGenerator *gen) {
defer (LLVMDisposeMessage(llvm_error));
String filepath_ll = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".ll"));
String filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".obj"));
defer (gb_free(heap_allocator(), filepath_ll.text));
defer (gb_free(heap_allocator(), filepath_obj.text));
String filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".obj"));
LLVMBool failure = LLVMPrintModuleToFile(mod, cast(char const *)filepath_ll.text, &llvm_error);
if (build_context.keep_temp_files) {
TIME_SECTION("LLVM Print Module to File");
LLVMPrintModuleToFile(mod, cast(char const *)filepath_ll.text, &llvm_error);
}
LLVMDIBuilderFinalize(m->debug_builder);
LLVMVerifyModule(mod, LLVMAbortProcessAction, &llvm_error);
llvm_error = nullptr;
@@ -10522,7 +10530,6 @@ void lb_generate_code(lbGenerator *gen) {
LLVMInitializeAllDisassemblers();
LLVMInitializeNativeTarget();
timings_start_section(&global_timings, str_lit("LLVM Object Generation"));
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";
@@ -10532,9 +10539,13 @@ void lb_generate_code(lbGenerator *gen) {
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);
if (ok) {
gb_printf_err("LLVM Error: %s\n", llvm_error);
@@ -10542,5 +10553,7 @@ void lb_generate_code(lbGenerator *gen) {
return;
}
array_add(&gen->output_object_paths, filepath_obj);
#undef TIME_SECTION
}