diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
index aafbf68d1b7..682a6f74126 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -78,6 +78,7 @@ pub struct Config {
     pub channel: String,
     pub musl_root: Option<PathBuf>,
     pub prefix: Option<String>,
+    pub codegen_tests: bool,
 }
 
 /// Per-target configuration stored in the global configuration structure.
@@ -169,6 +170,7 @@ impl Config {
         config.rust_codegen_units = 1;
         config.build = build.to_string();
         config.channel = "dev".to_string();
+        config.codegen_tests = true;
 
         let toml = file.map(|file| {
             let mut f = t!(File::open(&file));
@@ -322,6 +324,7 @@ impl Config {
                 ("DEBUGINFO_TESTS", self.rust_debuginfo_tests),
                 ("LOCAL_REBUILD", self.local_rebuild),
                 ("NINJA", self.ninja),
+                ("CODEGEN_TESTS", self.codegen_tests),
             }
 
             match key {
diff --git a/src/bootstrap/sanity.rs b/src/bootstrap/sanity.rs
index d6ac3ef6c9c..c0d303c0ea9 100644
--- a/src/bootstrap/sanity.rs
+++ b/src/bootstrap/sanity.rs
@@ -89,7 +89,7 @@ pub fn check(build: &mut Build) {
 
     // Externally configured LLVM requires FileCheck to exist
     let filecheck = build.llvm_filecheck(&build.config.build);
-    if !filecheck.starts_with(&build.out) && !filecheck.exists() {
+    if !filecheck.starts_with(&build.out) && !filecheck.exists() && build.config.codegen_tests {
         panic!("filecheck executable {:?} does not exist", filecheck);
     }