cache sp, minor refactors

1 files changed, 1 insertions, 1 deletions

diff --git a/ast.hpp b/ast.hpp
index 380a38f..287fd03 100644
--- a/ast.hpp
+++ b/ast.hpp
@@ -66,13 +66,13 @@ struct CallAST : public BaseAST
 struct ThunkAST : public BaseAST
 {
     static int tcount;
-    static int envidx;
 
     std::list<std::unique_ptr<BaseAST>> ast;
     llvm::IRBuilderBase::InsertPoint parent;
     llvm::Function *func;
     llvm::BasicBlock *entry, *body;
     llvm::Value *env;
+    llvm::Value *lastSp;
 
     explicit ThunkAST();
     llvm::Value *codegen(LLVMState& llvmState) const override;