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-rw-r--r--src/test/codegen/target-cpu-on-functions.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/codegen/target-cpu-on-functions.rs b/src/test/codegen/target-cpu-on-functions.rs
new file mode 100644
index 000000000..c043eceb5
--- /dev/null
+++ b/src/test/codegen/target-cpu-on-functions.rs
@@ -0,0 +1,21 @@
+// This test makes sure that functions get annotated with the proper
+// "target-cpu" attribute in LLVM.
+
+// no-prefer-dynamic
+//
+// compile-flags: -C no-prepopulate-passes -C panic=abort -C linker-plugin-lto -Cpasses=name-anon-globals
+
+#![crate_type = "staticlib"]
+
+// CHECK-LABEL: define {{.*}} @exported() {{.*}} #0
+#[no_mangle]
+pub extern "C" fn exported() {
+ not_exported();
+}
+
+// CHECK-LABEL: ; target_cpu_on_functions::not_exported
+// CHECK-NEXT: ; Function Attrs:
+// CHECK-NEXT: define {{.*}}() {{.*}} #0
+fn not_exported() {}
+
+// CHECK: attributes #0 = {{.*}} "target-cpu"="{{.*}}"