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Correct lb_run_function_pass_manager behaviour

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gingerBill
2023-08-10 14:35:09 +01:00
parent 49b2447113
commit 589820639c
1 changed files with 13 additions and 1 deletions
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src/llvm_backend_opt.cpp
+13 -1
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@@ -374,12 +374,24 @@ gb_internal void lb_run_function_pass_manager(LLVMPassManagerRef fpm, lbProcedur
if (p == nullptr) { if (p == nullptr) {
return; return;
} }
LLVMRunFunctionPassManager(fpm, p->value);
// NOTE(bill): LLVMAddDCEPass doesn't seem to be exported in the official DLL's for LLVM // NOTE(bill): LLVMAddDCEPass doesn't seem to be exported in the official DLL's for LLVM
// which means we cannot rely upon it // which means we cannot rely upon it
// This is also useful for read the .ll for debug purposes because a lot of instructions // This is also useful for read the .ll for debug purposes because a lot of instructions
// are not removed // are not removed
lb_run_remove_dead_instruction_pass(p); lb_run_remove_dead_instruction_pass(p);
switch (pass_manager_kind) {
case lbFunctionPassManager_none:
return;
case lbFunctionPassManager_default:
case lbFunctionPassManager_default_without_memcpy:
if (build_context.optimization_level < 0) {
return;
}
break;
}
LLVMRunFunctionPassManager(fpm, p->value);
} }
gb_internal void llvm_delete_function(LLVMValueRef func) { gb_internal void llvm_delete_function(LLVMValueRef func) {