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fix instrumentation in debug mode

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This commit is contained in:
Laytan
2024-02-08 22:29:45 +01:00
parent 7128bc4b34
commit 0e6dd56ac1
2 changed files with 17 additions and 4 deletions
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2
src/llvm_backend.hpp
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@@ -567,6 +567,8 @@ gb_internal LLVMTypeRef lb_type_internal_for_procedures_raw(lbModule *m, Type *t
gb_internal lbValue lb_emit_source_code_location_as_global_ptr(lbProcedure *p, String const &procedure, TokenPos const &pos);
gb_internal LLVMMetadataRef lb_debug_location_from_token_pos(lbProcedure *p, TokenPos pos);
gb_internal LLVMTypeRef llvm_array_type(LLVMTypeRef ElementType, uint64_t ElementCount) {
#if LB_USE_NEW_PASS_SYSTEM
return LLVMArrayType2(ElementType, ElementCount);

19
src/llvm_backend_opt.cpp
View File

@@ -380,9 +380,19 @@ gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) {
}
}
gb_internal LLVMValueRef lb_run_instrumentation_pass_insert_call(lbProcedure *p, Entity *entity, LLVMBuilderRef dummy_builder) {
gb_internal LLVMValueRef lb_run_instrumentation_pass_insert_call(lbProcedure *p, Entity *entity, LLVMBuilderRef dummy_builder, bool is_enter) {
lbModule *m = p->module;
if (p->debug_info != nullptr) {
TokenPos pos = {};
if (is_enter) {
pos = ast_token(p->body).pos;
} else {
pos = ast_end_token(p->body).pos;
}
LLVMSetCurrentDebugLocation2(dummy_builder, lb_debug_location_from_token_pos(p, pos));
}
lbValue cc = lb_find_procedure_value_from_entity(m, entity);
LLVMValueRef args[3] = {};
@@ -430,7 +440,7 @@ gb_internal void lb_run_instrumentation_pass(lbProcedure *p) {
LLVMBasicBlockRef entry_bb = p->entry_block->block;
LLVMPositionBuilder(dummy_builder, entry_bb, LLVMGetFirstInstruction(entry_bb));
lb_run_instrumentation_pass_insert_call(p, enter, dummy_builder);
lb_run_instrumentation_pass_insert_call(p, enter, dummy_builder, true);
LLVMRemoveStringAttributeAtIndex(p->value, LLVMAttributeIndex_FunctionIndex, LLVM_V_NAME("instrument-function-entry"));
unsigned bb_count = LLVMCountBasicBlocks(p->value);
@@ -451,7 +461,7 @@ gb_internal void lb_run_instrumentation_pass(lbProcedure *p) {
LLVMPositionBuilderBefore(dummy_builder, terminator);
lb_run_instrumentation_pass_insert_call(p, exit, dummy_builder);
lb_run_instrumentation_pass_insert_call(p, exit, dummy_builder, false);
}
LLVMRemoveStringAttributeAtIndex(p->value, LLVMAttributeIndex_FunctionIndex, LLVM_V_NAME("instrument-function-exit"));
@@ -471,6 +481,8 @@ gb_internal void lb_run_function_pass_manager(LLVMPassManagerRef fpm, lbProcedur
// are not removed
lb_run_remove_dead_instruction_pass(p);
lb_run_instrumentation_pass(p);
switch (pass_manager_kind) {
case lbFunctionPassManager_none:
return;
@@ -481,7 +493,6 @@ gb_internal void lb_run_function_pass_manager(LLVMPassManagerRef fpm, lbProcedur
}
break;
}
lb_run_instrumentation_pass(p);
LLVMRunFunctionPassManager(fpm, p->value);
}