1 files changed, 41 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-unaligned_ldst.ll b/test/CodeGen/AArch64/arm64-unaligned_ldst.ll
new file mode 100644
index 0000000..20b80c0
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-unaligned_ldst.ll
@@ -0,0 +1,41 @@
+; RUN: llc < %s -march=arm64 | FileCheck %s
+; rdar://r11231896
+
+define void @t1(i8* nocapture %a, i8* nocapture %b) nounwind {
+entry:
+; CHECK-LABEL: t1:
+; CHECK-NOT: orr
+; CHECK: ldr [[X0:x[0-9]+]], [x1]
+; CHECK: str [[X0]], [x0]
+  %tmp1 = bitcast i8* %b to i64*
+  %tmp2 = bitcast i8* %a to i64*
+  %tmp3 = load i64* %tmp1, align 1
+  store i64 %tmp3, i64* %tmp2, align 1
+  ret void
+}
+
+define void @t2(i8* nocapture %a, i8* nocapture %b) nounwind {
+entry:
+; CHECK-LABEL: t2:
+; CHECK-NOT: orr
+; CHECK: ldr [[W0:w[0-9]+]], [x1]
+; CHECK: str [[W0]], [x0]
+  %tmp1 = bitcast i8* %b to i32*
+  %tmp2 = bitcast i8* %a to i32*
+  %tmp3 = load i32* %tmp1, align 1
+  store i32 %tmp3, i32* %tmp2, align 1
+  ret void
+}
+
+define void @t3(i8* nocapture %a, i8* nocapture %b) nounwind {
+entry:
+; CHECK-LABEL: t3:
+; CHECK-NOT: orr
+; CHECK: ldrh [[W0:w[0-9]+]], [x1]
+; CHECK: strh [[W0]], [x0]
+  %tmp1 = bitcast i8* %b to i16*
+  %tmp2 = bitcast i8* %a to i16*
+  %tmp3 = load i16* %tmp1, align 1
+  store i16 %tmp3, i16* %tmp2, align 1
+  ret void
+}