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-rw-r--r--test/CodeGen/AArch64/concat_vector-truncate-combine.ll2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/concat_vector-truncate-combine.ll b/test/CodeGen/AArch64/concat_vector-truncate-combine.ll
index c510e27..ee52786 100644
--- a/test/CodeGen/AArch64/concat_vector-truncate-combine.ll
+++ b/test/CodeGen/AArch64/concat_vector-truncate-combine.ll
@@ -2,6 +2,8 @@
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+; Test the (concat_vectors (trunc), (trunc)) pattern.
+
define <4 x i16> @test_concat_truncate_v2i64_to_v4i16(<2 x i64> %a, <2 x i64> %b) #0 {
entry:
; CHECK-LABEL: test_concat_truncate_v2i64_to_v4i16: