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Add -o:none optimization mode (useful for -debug builds)

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gingerBill
2023-03-07 15:31:55 +00:00
parent 133af6f826
commit 085db569f1
3 changed files with 25 additions and 14 deletions
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2
src/build_settings.cpp
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@@ -1255,7 +1255,7 @@ gb_internal void init_build_context(TargetMetrics *cross_target) {
gb_exit(1);
}
bc->optimization_level = gb_clamp(bc->optimization_level, 0, 3);
bc->optimization_level = gb_clamp(bc->optimization_level, -1, 2);
// ENFORCE DYNAMIC MAP CALLS
bc->dynamic_map_calls = true;

32
src/llvm_backend_opt.cpp
View File

@@ -55,8 +55,17 @@ gb_internal void lb_populate_function_pass_manager_specific(lbModule *m, LLVMPas
#define LLVM_ADD_CONSTANT_VALUE_PASS(fpm)
#endif
gb_internal bool lb_opt_ignore(i32 optimization_level) {
optimization_level = gb_clamp(optimization_level, -1, 2);
return optimization_level == -1;
}
gb_internal void lb_basic_populate_function_pass_manager(LLVMPassManagerRef fpm, i32 optimization_level) {
if (false && optimization_level == 0 && build_context.ODIN_DEBUG) {
if (lb_opt_ignore(optimization_level)) {
return;
}
if (false && optimization_level <= 0 && build_context.ODIN_DEBUG) {
LLVMAddMergedLoadStoreMotionPass(fpm);
} else {
LLVMAddPromoteMemoryToRegisterPass(fpm);
@@ -69,14 +78,14 @@ gb_internal void lb_basic_populate_function_pass_manager(LLVMPassManagerRef fpm,
}
gb_internal void lb_populate_function_pass_manager(lbModule *m, LLVMPassManagerRef fpm, bool ignore_memcpy_pass, i32 optimization_level) {
// NOTE(bill): Treat -opt:3 as if it was -opt:2
// TODO(bill): Determine which opt definitions should exist in the first place
optimization_level = gb_clamp(optimization_level, 0, 2);
if (lb_opt_ignore(optimization_level)) {
return;
}
if (ignore_memcpy_pass) {
lb_basic_populate_function_pass_manager(fpm, optimization_level);
return;
} else if (optimization_level == 0) {
} else if (optimization_level <= 0) {
LLVMAddMemCpyOptPass(fpm);
lb_basic_populate_function_pass_manager(fpm, optimization_level);
return;
@@ -103,11 +112,11 @@ gb_internal void lb_populate_function_pass_manager(lbModule *m, LLVMPassManagerR
}
gb_internal void lb_populate_function_pass_manager_specific(lbModule *m, LLVMPassManagerRef fpm, i32 optimization_level) {
// NOTE(bill): Treat -opt:3 as if it was -opt:2
// TODO(bill): Determine which opt definitions should exist in the first place
optimization_level = gb_clamp(optimization_level, 0, 2);
if (lb_opt_ignore(optimization_level)) {
return;
}
if (optimization_level == 0) {
if (optimization_level <= 0) {
LLVMAddMemCpyOptPass(fpm);
lb_basic_populate_function_pass_manager(fpm, optimization_level);
return;
@@ -181,8 +190,7 @@ gb_internal void lb_populate_module_pass_manager(LLVMTargetMachineRef target_mac
// NOTE(bill): Treat -opt:3 as if it was -opt:2
// TODO(bill): Determine which opt definitions should exist in the first place
optimization_level = gb_clamp(optimization_level, 0, 2);
if (optimization_level == 0 && build_context.ODIN_DEBUG) {
if (optimization_level <= 0 && build_context.ODIN_DEBUG) {
return;
}
@@ -190,7 +198,7 @@ gb_internal void lb_populate_module_pass_manager(LLVMTargetMachineRef target_mac
LLVMAddStripDeadPrototypesPass(mpm);
LLVMAddAnalysisPasses(target_machine, mpm);
LLVMAddPruneEHPass(mpm);
if (optimization_level == 0) {
if (optimization_level <= 0) {
return;
}

5
src/main.cpp
View File

@@ -1002,7 +1002,9 @@ gb_internal bool parse_build_flags(Array<String> args) {
}
case BuildFlag_OptimizationMode: {
GB_ASSERT(value.kind == ExactValue_String);
if (value.value_string == "minimal") {
if (value.value_string == "none") {
build_context.optimization_level = -1;
} else if (value.value_string == "minimal") {
build_context.optimization_level = 0;
} else if (value.value_string == "size") {
build_context.optimization_level = 1;
@@ -1014,6 +1016,7 @@ gb_internal bool parse_build_flags(Array<String> args) {
gb_printf_err("\tminimal\n");
gb_printf_err("\tsize\n");
gb_printf_err("\tspeed\n");
gb_printf_err("\tnone (useful for -debug builds)\n");
bad_flags = true;
}
break;