1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/function-subtarget-features.ll b/test/CodeGen/AArch64/function-subtarget-features.ll
new file mode 100644
index 0000000..fca6c93
--- /dev/null
+++ b/test/CodeGen/AArch64/function-subtarget-features.ll
@@ -0,0 +1,21 @@
+; RUN: llc < %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64--linux-gnu"
+
+; This test verifies that we can enable subtarget features via
+; the function attributes and generate appropriate code (or,
+; in this case, select the instruction at all).
+
+; Function Attrs: nounwind
+define <16 x i8> @foo(<16 x i8> %data, <16 x i8> %key) #0 {
+  %vaeseq_v.i = call <16 x i8> @llvm.aarch64.crypto.aese(<16 x i8> %data, <16 x i8> %key)
+  ret <16 x i8> %vaeseq_v.i
+}
+
+; CHECK: foo
+; CHECK: aese
+
+; Function Attrs: nounwind readnone
+declare <16 x i8> @llvm.aarch64.crypto.aese(<16 x i8>, <16 x i8>)
+
+attributes #0 = { nounwind "target-features"="+neon,+crc,+crypto" }