Recognize increment/decrement operators as modifying the target variable

[libs/gl.git] / source / glsl / spirv.cpp

diff --git a/source/glsl/spirv.cpp b/source/glsl/spirv.cpp
index 39aa9a0672a72159ec7952cc668c004e9714bd5b..2dcc285c624a2806dab80d3a6e487783138f732f 100644 (file)
--- a/source/glsl/spirv.cpp
+++ b/source/glsl/spirv.cpp
@@ -1817,6 +1817,7 @@ void SpirVGenerator::visit(FunctionDeclaration &func)
                variable_load_ids[func.parameters[i].get()] = param_id;
        }
 
+       reachable = true;
        writer.begin_function_body(next_id++);
        SetForScope<FunctionDeclaration *> set_func(current_function, &func);
        func.body.visit(*this);
@@ -1872,8 +1873,9 @@ void SpirVGenerator::visit(Iteration &iter)
        if(iter.init_statement)
                iter.init_statement->visit(*this);
 
-       for(VariableDeclaration *v: AssignmentCollector().apply(iter))
-               variable_load_ids.erase(v);
+       for(Node *n: AssignmentCollector().apply(iter))
+               if(VariableDeclaration *var = dynamic_cast<VariableDeclaration *>(n))
+                       variable_load_ids.erase(var);
 
        Id header_id = next_id++;
        Id continue_id = next_id++;