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Change how parameter and variables are given debug values

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This commit is contained in:
gingerBill
2022-02-16 13:25:31 +00:00
parent 2213722776
commit 0738822dda
3 changed files with 10 additions and 13 deletions
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18
src/llvm_backend_debug.cpp
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@@ -958,11 +958,11 @@ void lb_add_debug_local_variable(lbProcedure *p, LLVMValueRef ptr, Type *type, T
);
LLVMValueRef storage = ptr;
LLVMValueRef instr = ptr;
LLVMBasicBlockRef block = p->decl_block->block;
LLVMMetadataRef llvm_debug_loc = lb_debug_location_from_token_pos(p, token.pos);
LLVMMetadataRef llvm_expr = LLVMDIBuilderCreateExpression(m->debug_builder, nullptr, 0);
lb_set_llvm_metadata(m, ptr, llvm_expr);
LLVMDIBuilderInsertDbgValueBefore(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, instr);
LLVMDIBuilderInsertDbgValueAtEnd(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, block);
}
@@ -1020,19 +1020,15 @@ void lb_add_debug_param_variable(lbProcedure *p, LLVMValueRef ptr, Type *type, T
);
LLVMValueRef storage = ptr;
LLVMValueRef instr = ptr;
LLVMBasicBlockRef block = p->decl_block->block;
LLVMMetadataRef llvm_debug_loc = lb_debug_location_from_token_pos(p, token.pos);
LLVMMetadataRef llvm_expr = LLVMDIBuilderCreateExpression(m->debug_builder, nullptr, 0);
lb_set_llvm_metadata(m, ptr, llvm_expr);
if (LLVMIsAAllocaInst(instr)) {
LLVMDIBuilderInsertDbgValueBefore(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, instr);
} else {
// NOTE(bill, 2022-02-01): For parameter values, you must insert them at the end of the decl block
// The reason is that if the parameter is at index 0 and a pointer, there is not such things as an
// instruction "before" it.
LLVMDIBuilderInsertDbgValueAtEnd(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, block);
}
// NOTE(bill, 2022-02-01): For parameter values, you must insert them at the end of the decl block
// The reason is that if the parameter is at index 0 and a pointer, there is not such things as an
// instruction "before" it.
LLVMDIBuilderInsertDbgValueAtEnd(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, block);
}