Lower CONCAT_VECTOR during legalization instead of matching it during isel.

Add a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77992 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 36 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/vcombine.ll b/test/CodeGen/ARM/vcombine.ll
new file mode 100644
index 0000000000..2a62ba89e7
--- /dev/null
+++ b/test/CodeGen/ARM/vcombine.ll
@@ -0,0 +1,36 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon
+
+define <16 x i8> @vcombine8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
+	%tmp1 = load <8 x i8>* %A
+	%tmp2 = load <8 x i8>* %B
+	%tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+	ret <16 x i8> %tmp3
+}
+
+define <8 x i16> @vcombine16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
+	%tmp1 = load <4 x i16>* %A
+	%tmp2 = load <4 x i16>* %B
+	%tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+	ret <8 x i16> %tmp3
+}
+
+define <4 x i32> @vcombine32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
+	%tmp1 = load <2 x i32>* %A
+	%tmp2 = load <2 x i32>* %B
+	%tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+	ret <4 x i32> %tmp3
+}
+
+define <4 x float> @vcombinefloat(<2 x float>* %A, <2 x float>* %B) nounwind {
+	%tmp1 = load <2 x float>* %A
+	%tmp2 = load <2 x float>* %B
+	%tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+	ret <4 x float> %tmp3
+}
+
+define <2 x i64> @vcombine64(<1 x i64>* %A, <1 x i64>* %B) nounwind {
+	%tmp1 = load <1 x i64>* %A
+	%tmp2 = load <1 x i64>* %B
+	%tmp3 = shufflevector <1 x i64> %tmp1, <1 x i64> %tmp2, <2 x i32> <i32 0, i32 1>
+	ret <2 x i64> %tmp3
+}