From 4cca3a677b9a857cfbda996b27bc2355e9a1af29 Mon Sep 17 00:00:00 2001
From: Daniel Xu <dxu@dxuuu.xyz>
Date: Wed, 26 Jun 2024 11:27:18 -0600
Subject: [PATCH] Remove unused member variables

Nix build is reporting two warnings about unused variables. They are
indeed unused, so remove.
---
 src/ast/passes/codegen_llvm.h | 1 -
 src/config.cpp                | 2 +-
 src/config.h                  | 3 +--
 src/main.cpp                  | 2 +-
 4 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/ast/passes/codegen_llvm.h b/src/ast/passes/codegen_llvm.h
index aa17f099..bbdbb3fa 100644
--- a/src/ast/passes/codegen_llvm.h
+++ b/src/ast/passes/codegen_llvm.h
@@ -276,7 +276,6 @@ class CodegenLLVM : public Visitor {
   // Used if there are duplicate USDT entries
   int current_usdt_location_index_{ 0 };
   bool inside_subprog_ = false;
-  bool need_recursion_check_ = false;
 
   std::map<std::string, AllocaInst *> variables_;
 
diff --git a/src/config.cpp b/src/config.cpp
index 550ca900..27344a7d 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -8,7 +8,7 @@
 
 namespace bpftrace {
 
-Config::Config(bool has_cmd, bool bt_verbose) : bt_verbose_(bt_verbose)
+Config::Config(bool has_cmd)
 {
   config_map_ = {
     { ConfigKeyBool::cpp_demangle, { .value = true } },
diff --git a/src/config.h b/src/config.h
index 7c097f2d..497cda6e 100644
--- a/src/config.h
+++ b/src/config.h
@@ -108,7 +108,7 @@ struct ConfigValue {
 
 class Config {
 public:
-  explicit Config(bool has_cmd = false, bool bt_verbose = false);
+  explicit Config(bool has_cmd = false);
 
   bool get(ConfigKeyBool key) const
   {
@@ -181,7 +181,6 @@ class Config {
 private:
   bool can_set(ConfigSource prevSource, ConfigSource);
   bool is_aslr_enabled();
-  bool bt_verbose_ = false;
 
   std::map<ConfigKey, ConfigValue> config_map_;
 };
diff --git a/src/main.cpp b/src/main.cpp
index 897f44c9..b0202412 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -724,7 +724,7 @@ int main(int argc, char* argv[])
 
   libbpf_set_print(libbpf_print);
 
-  Config config = Config(!args.cmd_str.empty(), bt_verbose);
+  Config config = Config(!args.cmd_str.empty());
   BPFtrace bpftrace(std::move(output), args.no_feature, config);
 
   if (!args.cmd_str.empty())