diff --git a/Cargo.lock b/Cargo.lock
index c3cf75ae4..f06c9e940 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1273,6 +1273,7 @@ version = "0.1.2"
 dependencies = [
  "wabt 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasmer-clif-backend 0.1.2",
+ "wasmer-llvm-backend 0.1.0",
  "wasmer-runtime-core 0.1.2",
 ]
 
diff --git a/lib/runtime-core/src/types.rs b/lib/runtime-core/src/types.rs
index 618f24004..9ee5270dd 100644
--- a/lib/runtime-core/src/types.rs
+++ b/lib/runtime-core/src/types.rs
@@ -1,9 +1,4 @@
-use crate::{
-    memory::MemoryType,
-    module::ModuleInfo,
-    structures::TypedIndex,
-    units::Pages,
-};
+use crate::{memory::MemoryType, module::ModuleInfo, structures::TypedIndex, units::Pages};
 use std::{borrow::Cow, mem};
 
 /// Represents a WebAssembly type.
diff --git a/lib/spectests/Cargo.toml b/lib/spectests/Cargo.toml
index f69782b40..49f052d77 100644
--- a/lib/spectests/Cargo.toml
+++ b/lib/spectests/Cargo.toml
@@ -16,6 +16,7 @@ wabt = "0.7.2"
 
 [dev-dependencies]
 wasmer-clif-backend = { path = "../clif-backend", version = "0.1.2" }
+wasmer-llvm-backend = { path = "../llvm-backend", version = "0.1.0" }
 wabt = "0.7.2"
 
 [features]
diff --git a/lib/spectests/build/spectests.rs b/lib/spectests/build/spectests.rs
index 54d9404d6..25b3b63b8 100644
--- a/lib/spectests/build/spectests.rs
+++ b/lib/spectests/build/spectests.rs
@@ -78,6 +78,7 @@ static COMMON: &'static str = r##"
 use std::{{f32, f64}};
 use wabt::wat2wasm;
 use wasmer_clif_backend::CraneliftCompiler;
+use wasmer_llvm_backend::LLVMCompiler;
 use wasmer_runtime_core::import::ImportObject;
 use wasmer_runtime_core::types::Value;
 use wasmer_runtime_core::{{Instance, module::Module}};
@@ -97,7 +98,7 @@ static IMPORT_MODULE: &str = r#"
 
 pub fn generate_imports() -> ImportObject {
     let wasm_binary = wat2wasm(IMPORT_MODULE.as_bytes()).expect("WAST not valid or malformed");
-    let module = wasmer_runtime_core::compile_with(&wasm_binary[..], &CraneliftCompiler::new())
+    let module = wasmer_runtime_core::compile_with(&wasm_binary[..], &LLVMCompiler::new())
         .expect("WASM can't be compiled");
     let instance = module
         .instantiate(&ImportObject::new())
@@ -358,7 +359,7 @@ fn test_module_{}() {{
     let module_str = \"{}\";
     println!(\"{{}}\", module_str);
     let wasm_binary = wat2wasm(module_str.as_bytes()).expect(\"WAST not valid or malformed\");
-    let module = wasmer_runtime_core::compile_with(&wasm_binary[..], &CraneliftCompiler::new()).expect(\"WASM can't be compiled\");
+    let module = wasmer_runtime_core::compile_with(&wasm_binary[..], &LLVMCompiler::new()).expect(\"WASM can't be compiled\");
     module.instantiate(&generate_imports()).expect(\"WASM can't be instantiated\")
 }}\n",
                 self.last_module,
@@ -381,7 +382,7 @@ fn test_module_{}() {{
                 "#[test]
 fn {}_assert_invalid() {{
     let wasm_binary = {:?};
-    let module = wasmer_runtime_core::compile_with(&wasm_binary, &CraneliftCompiler::new());
+    let module = wasmer_runtime_core::compile_with(&wasm_binary, &LLVMCompiler::new());
     assert!(module.is_err(), \"WASM should not compile as is invalid\");
 }}\n",
                 command_name,
@@ -512,7 +513,7 @@ fn {}_assert_invalid() {{
                 "#[test]
 fn {}_assert_malformed() {{
     let wasm_binary = {:?};
-    let compilation = wasmer_runtime_core::compile_with(&wasm_binary, &CraneliftCompiler::new());
+    let compilation = wasmer_runtime_core::compile_with(&wasm_binary, &LLVMCompiler::new());
     assert!(compilation.is_err(), \"WASM should not compile as is malformed\");
 }}\n",
                 command_name,