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Minor change (in preparation for something else) to opt passes

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This commit is contained in:
gingerBill
2021-05-11 12:00:55 +01:00
parent f31b09212a
commit 8ff80dec58
2 changed files with 35 additions and 13 deletions
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32
src/llvm_backend_opt.cpp
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@@ -1,7 +1,25 @@
void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcpy_pass, i32 optimization_level);
void lb_populate_function_pass_manager(lbModule *m, LLVMPassManagerRef fpm, bool ignore_memcpy_pass, i32 optimization_level);
void lb_add_function_simplifcation_passes(LLVMPassManagerRef mpm, i32 optimization_level);
void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPassManagerRef mpm, i32 optimization_level);
void lb_populate_function_pass_manager_specific(LLVMPassManagerRef fpm, i32 optimization_level);
void lb_populate_function_pass_manager_specific(lbModule *m, LLVMPassManagerRef fpm, i32 optimization_level);
LLVMBool lb_must_preserve_predicate_callback(LLVMValueRef value, void *user_data) {
lbModule *m = cast(lbModule *)user_data;
if (m == nullptr) {
return false;
}
if (value == nullptr) {
return false;
}
return LLVMIsAAllocaInst(value) != nullptr;
}
void lb_add_must_preserve_predicate_pass(lbModule *m, LLVMPassManagerRef fpm, i32 optimization_level) {
if (false && optimization_level == 0 && m->debug_builder) {
LLVMAddInternalizePassWithMustPreservePredicate(fpm, m, lb_must_preserve_predicate_callback);
}
}
void lb_basic_populate_function_pass_manager(LLVMPassManagerRef fpm) {
LLVMAddPromoteMemoryToRegisterPass(fpm);
@@ -15,11 +33,13 @@ void lb_basic_populate_function_pass_manager(LLVMPassManagerRef fpm) {
LLVMAddCFGSimplificationPass(fpm);
}
void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcpy_pass, i32 optimization_level) {
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);
lb_add_must_preserve_predicate_pass(m, fpm, optimization_level);
if (ignore_memcpy_pass) {
lb_basic_populate_function_pass_manager(fpm);
return;
@@ -57,11 +77,13 @@ void lb_populate_function_pass_manager(LLVMPassManagerRef fpm, bool ignore_memcp
#endif
}
void lb_populate_function_pass_manager_specific(LLVMPassManagerRef fpm, i32 optimization_level) {
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);
lb_add_must_preserve_predicate_pass(m, fpm, optimization_level);
if (optimization_level == 0) {
LLVMAddMemCpyOptPass(fpm);
lb_basic_populate_function_pass_manager(fpm);
@@ -194,7 +216,7 @@ void lb_populate_module_pass_manager(LLVMTargetMachineRef target_machine, LLVMPa
LLVMAddGlobalDCEPass(mpm);
LLVMAddGlobalOptimizerPass(mpm);
// LLVMAddLowerConstantIntrinsicsPass(mpm);
LLVMAddLowerConstantIntrinsicsPass(mpm);
LLVMAddLoopRotatePass(mpm);