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-rw-r--r--tests/codegen-llvm/target-feature-overrides.rs46
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/codegen-llvm/target-feature-overrides.rs b/tests/codegen-llvm/target-feature-overrides.rs
new file mode 100644
index 00000000000..63a586d388b
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+++ b/tests/codegen-llvm/target-feature-overrides.rs
@@ -0,0 +1,46 @@
+// ignore-tidy-linelength
+//@ add-core-stubs
+//@ revisions: COMPAT INCOMPAT
+//@ needs-llvm-components: x86
+//@ compile-flags: --target=x86_64-unknown-linux-gnu -Copt-level=3
+//@ [COMPAT] compile-flags: -Ctarget-feature=+avx2
+//@ [INCOMPAT] compile-flags: -Ctarget-feature=-avx2,-avx
+
+// See also tests/assembly-llvm/target-feature-multiple.rs
+#![feature(no_core, lang_items)]
+#![crate_type = "lib"]
+#![no_core]
+
+extern crate minicore;
+use minicore::*;
+
+extern "C" {
+    fn peach() -> u32;
+}
+
+#[inline]
+#[target_feature(enable = "avx")]
+#[no_mangle]
+pub unsafe fn apple() -> u32 {
+    // CHECK-LABEL: @apple()
+    // CHECK-SAME: [[APPLEATTRS:#[0-9]+]] {
+    // CHECK: {{.*}}call{{.*}}@peach
+    peach()
+}
+
+// target features same as global
+#[no_mangle]
+pub unsafe fn banana() -> u32 {
+    // CHECK-LABEL: @banana()
+    // CHECK-SAME: [[BANANAATTRS:#[0-9]+]] {
+    // COMPAT: {{.*}}call{{.*}}@peach
+    // INCOMPAT: {{.*}}call{{.*}}@apple
+    apple() // Compatible for inline in COMPAT revision and can't be inlined in INCOMPAT
+}
+
+// CHECK: attributes [[APPLEATTRS]]
+// COMPAT-SAME: "target-features"="+avx,+avx2,{{.*}}"
+// INCOMPAT-SAME: "target-features"="{{(-[^,]+,)*}}-avx2{{(,-[^,]+)*}},-avx{{(,-[^,]+)*}},+avx{{(,\+[^,]+)*}}"
+// CHECK: attributes [[BANANAATTRS]]
+// COMPAT-SAME: "target-features"="+avx,+avx2,{{.*}}"
+// INCOMPAT-SAME: "target-features"="{{(-[^,]+,)*}}-avx2{{(,-[^,]+)*}},-avx{{(,-[^,]+)*}}"