[AArch64] Implemented vcopy_lane patterns using scalar DUP instruction.

[oota-llvm.git] / test / CodeGen / AArch64 / neon-scalar-copy.ll

diff --git a/test/CodeGen/AArch64/neon-scalar-copy.ll b/test/CodeGen/AArch64/neon-scalar-copy.ll
index 59f62374d4f4743f6a2e676903546f4ad57f8b31..d433ff595d1c683220b1fc211502a5fb1187f56b 100644 (file)
--- a/test/CodeGen/AArch64/neon-scalar-copy.ll
+++ b/test/CodeGen/AArch64/neon-scalar-copy.ll
@@ -78,3 +78,11 @@ define <1 x i64> @test_vector_dup_dv2D(<2 x i64> %v1) {
  ret <1 x i64> %shuffle.i
 }
 
+define <1 x i64> @test_vector_copy_dup_dv2D(<1 x i64> %a, <2 x i64> %c) {
+  ;CHECK: test_vector_copy_dup_dv2D
+  ;CHECK: dup {{d[0-31]+}}, {{v[0-31]+}}.d[1]
+  %vget_lane = extractelement <2 x i64> %c, i32 1
+  %vset_lane = insertelement <1 x i64> undef, i64 %vget_lane, i32 0
+  ret <1 x i64> %vset_lane
+}
+