--- /dev/null
+; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
+
+define i8* @t() nounwind {
+entry:
+; CHECK-LABEL: t:
+; CHECK: mov x0, x29
+ %0 = call i8* @llvm.frameaddress(i32 0)
+ ret i8* %0
+}
+
+define i8* @t2() nounwind {
+entry:
+; CHECK-LABEL: t2:
+; CHECK: ldr x[[reg:[0-9]+]], [x29]
+; CHECK: ldr x[[reg]], [x[[reg]]]
+ %0 = call i8* @llvm.frameaddress(i32 2)
+ ret i8* %0
+}
+
+declare i8* @llvm.frameaddress(i32) nounwind readnone
--- /dev/null
+; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
+
+define i8* @rt0(i32 %x) nounwind readnone {
+entry:
+; CHECK-LABEL: rt0:
+; CHECK: mov x0, x30
+ %0 = tail call i8* @llvm.returnaddress(i32 0)
+ ret i8* %0
+}
+
+define i8* @rt2() nounwind readnone {
+entry:
+; CHECK-LABEL: rt2:
+; CHECK: ldr x[[reg:[0-9]+]], [x29]
+; CHECK: ldr x[[reg]], [x[[reg]]]
+; CHECK: ldr x0, [x[[reg]], #8]
+ %0 = tail call i8* @llvm.returnaddress(i32 2)
+ ret i8* %0
+}
+
+declare i8* @llvm.returnaddress(i32) nounwind readnone