diff --git a/ptx/src/pass/convert_to_typed.rs b/ptx/src/pass/convert_to_typed.rs
index 7ff5290..2342ad5 100644
--- a/ptx/src/pass/convert_to_typed.rs
+++ b/ptx/src/pass/convert_to_typed.rs
@@ -19,7 +19,7 @@ pub(crate) fn run(
                         },
                 } if fn_defs.fns.contains_key(&src_reg) => {
                     if data.typ != ast::Type::Scalar(ast::ScalarType::U64) {
-                        return Err(TranslateError::MismatchedType);
+                        return Err(error_mismatched_type());
                     }
                     result.push(TypedStatement::FunctionPointer(FunctionPointerDetails {
                         dst: dst_reg,
@@ -68,7 +68,7 @@ impl<'a, 'b> VectorRepackVisitor<'a, 'b> {
         // mov.u32 foobar, {a,b};
         let scalar_t = match typ {
             ast::Type::Vector(scalar_t, _) => *scalar_t,
-            _ => return Err(TranslateError::MismatchedType),
+            _ => return Err(error_mismatched_type()),
         };
         let temp_vec = self
             .id_def
@@ -115,7 +115,7 @@ impl<'a, 'b> ast::VisitorMap<ast::ParsedOperand<SpirvWord>, TypedOperand, Transl
             ast::ParsedOperand::Imm(x) => TypedOperand::Imm(x),
             ast::ParsedOperand::VecMember(vec, idx) => TypedOperand::VecMember(vec, idx),
             ast::ParsedOperand::VecPack(vec) => {
-                let (type_, space) = type_space.ok_or(TranslateError::MismatchedType)?;
+                let (type_, space) = type_space.ok_or(error_mismatched_type())?;
                 TypedOperand::Reg(self.convert_vector(
                     is_dst,
                     relaxed_type_check,
diff --git a/ptx/src/pass/emit_spirv.rs b/ptx/src/pass/emit_spirv.rs
index 9dff12e..e2e6a3b 100644
--- a/ptx/src/pass/emit_spirv.rs
+++ b/ptx/src/pass/emit_spirv.rs
@@ -17,7 +17,7 @@ pub(super) fn run<'input>(
         HashMap<u8, (spirv::FPDenormMode, isize)>,
     >,
     directives: Vec<Directive<'input>>,
-) -> Result<(), TranslateError> {
+) -> Result<(dr::Module, HashMap<String, KernelInfo>, CString), TranslateError> {
     builder.set_version(1, 3);
     emit_capabilities(&mut builder);
     emit_extensions(&mut builder);
@@ -39,7 +39,8 @@ pub(super) fn run<'input>(
         globals_use_map,
         directives,
         &mut kernel_info,
-    )
+    )?;
+    Ok((builder.module(), kernel_info, build_options))
 }
 
 fn emit_capabilities(builder: &mut dr::Builder) {
@@ -942,7 +943,7 @@ fn emit_function_body_ops<'input>(
                             builder.constant_true(bool_type, Some(cnst.dst.0));
                         }
                     }
-                    _ => return Err(TranslateError::MismatchedType),
+                    _ => return Err(error_mismatched_type()),
                 }
             }
             Statement::Conversion(cv) => emit_implicit_conversion(builder, map, cv)?,
@@ -2646,7 +2647,7 @@ fn emit_load_var(
         Some((index, Some(width))) => {
             let vector_type = match details.typ {
                 ast::Type::Scalar(scalar_t) => ast::Type::Vector(scalar_t, width),
-                _ => return Err(TranslateError::MismatchedType),
+                _ => return Err(error_mismatched_type()),
             };
             let vector_type_spirv = map.get_or_add(builder, SpirvType::new(vector_type));
             let vector_temp = builder.load(
diff --git a/ptx/src/pass/expand_arguments.rs b/ptx/src/pass/expand_arguments.rs
index eb03866..3680005 100644
--- a/ptx/src/pass/expand_arguments.rs
+++ b/ptx/src/pass/expand_arguments.rs
@@ -66,11 +66,11 @@ impl<'a, 'b> FlattenArguments<'a, 'b> {
         if state_space != ast::StateSpace::Reg && state_space != ast::StateSpace::Sreg {
             let (reg_type, reg_space) = self.id_def.get_typed(reg)?;
             if !state_is_compatible(reg_space, ast::StateSpace::Reg) {
-                return Err(TranslateError::MismatchedType);
+                return Err(error_mismatched_type());
             }
             let reg_scalar_type = match reg_type {
                 ast::Type::Scalar(underlying_type) => underlying_type,
-                _ => return Err(TranslateError::MismatchedType),
+                _ => return Err(error_mismatched_type()),
             };
             let id_constant_stmt = self
                 .id_def
diff --git a/ptx/src/pass/fix_special_registers.rs b/ptx/src/pass/fix_special_registers.rs
index 304bc61..c029016 100644
--- a/ptx/src/pass/fix_special_registers.rs
+++ b/ptx/src/pass/fix_special_registers.rs
@@ -58,7 +58,7 @@ impl<'a, 'b, 'input> SpecialRegisterResolver<'a, 'b, 'input> {
     ) -> Result<SpirvWord, TranslateError> {
         if let Some(sreg) = self.numeric_id_defs.special_registers.get(name) {
             if is_dst {
-                return Err(TranslateError::MismatchedType);
+                return Err(error_mismatched_type());
             }
             let input_arguments = match (vector_index, sreg.get_function_input_type()) {
                 (Some(idx), Some(inp_type)) => {
@@ -81,7 +81,7 @@ impl<'a, 'b, 'input> SpecialRegisterResolver<'a, 'b, 'input> {
                     )]
                 }
                 (None, None) => Vec::new(),
-                _ => return Err(TranslateError::MismatchedType),
+                _ => return Err(error_mismatched_type()),
             };
             let ocl_fn_name = [ZLUDA_PTX_PREFIX, sreg.get_unprefixed_function_name()].concat();
             let return_type = sreg.get_function_return_type();
diff --git a/ptx/src/pass/insert_implicit_conversions.rs b/ptx/src/pass/insert_implicit_conversions.rs
index 4a0dc8e..baf3453 100644
--- a/ptx/src/pass/insert_implicit_conversions.rs
+++ b/ptx/src/pass/insert_implicit_conversions.rs
@@ -168,7 +168,7 @@ fn default_implicit_conversion_space(
                 | ast::StateSpace::Const
                 | ast::StateSpace::Local
                 | ast::StateSpace::Shared => Ok(Some(ConversionKind::BitToPtr)),
-                _ => Err(TranslateError::MismatchedType),
+                _ => Err(error_mismatched_type()),
             },
             ast::Type::Scalar(ast::ScalarType::B32)
             | ast::Type::Scalar(ast::ScalarType::U32)
@@ -176,9 +176,9 @@ fn default_implicit_conversion_space(
                 ast::StateSpace::Const | ast::StateSpace::Local | ast::StateSpace::Shared => {
                     Ok(Some(ConversionKind::BitToPtr))
                 }
-                _ => Err(TranslateError::MismatchedType),
+                _ => Err(error_mismatched_type()),
             },
-            _ => Err(TranslateError::MismatchedType),
+            _ => Err(error_mismatched_type()),
         }
     } else if state_is_compatible(instruction_space, ast::StateSpace::Reg) {
         match instruction_type {
@@ -191,10 +191,10 @@ fn default_implicit_conversion_space(
                     Ok(None)
                 }
             }
-            _ => Err(TranslateError::MismatchedType),
+            _ => Err(error_mismatched_type()),
         }
     } else {
-        Err(TranslateError::MismatchedType)
+        Err(error_mismatched_type())
     }
 }
 
@@ -208,7 +208,7 @@ fn default_implicit_conversion_type(
         if should_bitcast(instruction_type, operand_type) {
             Ok(Some(ConversionKind::Default))
         } else {
-            Err(TranslateError::MismatchedType)
+            Err(error_mismatched_type())
         }
     } else {
         Ok(Some(ConversionKind::PtrToPtr))
@@ -265,14 +265,14 @@ fn should_convert_relaxed_dst_wrapper(
     (instruction_space, instruction_type): (ast::StateSpace, &ast::Type),
 ) -> Result<Option<ConversionKind>, TranslateError> {
     if !state_is_compatible(operand_space, instruction_space) {
-        return Err(TranslateError::MismatchedType);
+        return Err(error_mismatched_type());
     }
     if operand_type == instruction_type {
         return Ok(None);
     }
     match should_convert_relaxed_dst(operand_type, instruction_type) {
         conv @ Some(_) => Ok(conv),
-        None => Err(TranslateError::MismatchedType),
+        None => Err(error_mismatched_type()),
     }
 }
 
@@ -342,14 +342,14 @@ fn should_convert_relaxed_src_wrapper(
     (instruction_space, instruction_type): (ast::StateSpace, &ast::Type),
 ) -> Result<Option<ConversionKind>, TranslateError> {
     if !state_is_compatible(operand_space, instruction_space) {
-        return Err(TranslateError::MismatchedType);
+        return Err(error_mismatched_type());
     }
     if operand_type == instruction_type {
         return Ok(None);
     }
     match should_convert_relaxed_src(operand_type, instruction_type) {
         conv @ Some(_) => Ok(conv),
-        None => Err(TranslateError::MismatchedType),
+        None => Err(error_mismatched_type()),
     }
 }
 
diff --git a/ptx/src/pass/insert_mem_ssa_statements.rs b/ptx/src/pass/insert_mem_ssa_statements.rs
index 6ab19bd..7369cdb 100644
--- a/ptx/src/pass/insert_mem_ssa_statements.rs
+++ b/ptx/src/pass/insert_mem_ssa_statements.rs
@@ -199,7 +199,7 @@ impl<'a, 'input> InsertMemSSAVisitor<'a, 'input> {
                         var_type = ast::Type::Scalar(scalar_t);
                         width
                     }
-                    _ => return Err(TranslateError::MismatchedType),
+                    _ => return Err(error_mismatched_type()),
                 };
                 Some((
                     idx,
diff --git a/ptx/src/pass/mod.rs b/ptx/src/pass/mod.rs
index 8923718..2825017 100644
--- a/ptx/src/pass/mod.rs
+++ b/ptx/src/pass/mod.rs
@@ -55,26 +55,7 @@ pub fn to_spirv_module<'input>(ast: ast::Module<'input>) -> Result<Module, Trans
         })?;
     normalize_variable_decls(&mut directives);
     let denorm_information = compute_denorm_information(&directives);
-    emit_spirv::run(builder, &id_defs, call_map, denorm_information, directives);
-    // https://www.khronos.org/registry/spir-v/specs/unified1/SPIRV.html#_a_id_logicallayout_a_logical_layout_of_a_module
-
-    todo!()
-    /*
-    let (build_options, should_flush_denorms) =
-        emit_denorm_build_string(&call_map, &denorm_information);
-    let (directives, globals_use_map) = get_globals_use_map(directives);
-    emit_directives(
-        &mut builder,
-        &mut map,
-        &id_defs,
-        opencl_id,
-        should_flush_denorms,
-        &call_map,
-        globals_use_map,
-        directives,
-        &mut kernel_info,
-    )?;
-    let spirv = builder.module();
+    let (spirv, kernel_info, build_options) = emit_spirv::run(builder, &id_defs, call_map, denorm_information, directives)?;
     Ok(Module {
         spirv,
         kernel_info,
@@ -85,7 +66,6 @@ pub fn to_spirv_module<'input>(ast: ast::Module<'input>) -> Result<Module, Trans
         },
         build_options,
     })
-     */
 }
 
 fn translate_directive<'input, 'a>(
@@ -629,10 +609,24 @@ fn error_unreachable() -> TranslateError {
     TranslateError::Unreachable
 }
 
+fn error_unknown_symbol() -> TranslateError {
+    panic!()
+}
+
+#[cfg(not(debug_assertions))]
 fn error_unknown_symbol() -> TranslateError {
     TranslateError::UnknownSymbol
 }
 
+fn error_mismatched_type() -> TranslateError {
+    panic!()
+}
+
+#[cfg(not(debug_assertions))]
+fn error_mismatched_type() -> TranslateError {
+    TranslateError::MismatchedType
+}
+
 pub struct GlobalFnDeclResolver<'input, 'a> {
     fns: &'a HashMap<SpirvWord, FnSigMapper<'input>>,
 }
diff --git a/ptx/src/test/spirv_run/mod.rs b/ptx/src/test/spirv_run/mod.rs
index f5dfa64..62dba04 100644
--- a/ptx/src/test/spirv_run/mod.rs
+++ b/ptx/src/test/spirv_run/mod.rs
@@ -1,3 +1,4 @@
+use crate::pass;
 use crate::ptx;
 use crate::translate;
 use hip_runtime_sys::hipError_t;
@@ -385,10 +386,8 @@ fn test_spvtxt_assert<'a>(
     spirv_txt: &'a [u8],
     spirv_file_name: &'a str,
 ) -> Result<(), Box<dyn error::Error + 'a>> {
-    let mut errors = Vec::new();
-    let ast = ptx::ModuleParser::new().parse(&mut errors, ptx_txt)?;
-    assert!(errors.len() == 0);
-    let spirv_module = translate::to_spirv_module(ast)?;
+    let ast = ptx_parser::parse_module_unchecked(ptx_txt).unwrap();
+    let spirv_module = pass::to_spirv_module(ast)?;
     let spv_context =
         unsafe { spirv_tools::spvContextCreate(spv_target_env::SPV_ENV_UNIVERSAL_1_3) };
     assert!(spv_context != ptr::null_mut());