Add support for ARM's Advanced SIMD (NEON) instruction set.
This is still a work in progress but most of the NEON instruction set
is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/vdup_lane.ll b/test/CodeGen/ARM/vdup_lane.ll
new file mode 100644
index 0000000..adadc9f
--- /dev/null
+++ b/test/CodeGen/ARM/vdup_lane.ll
@@ -0,0 +1,52 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon > %t
+; RUN: grep vdup.8 %t | count 2
+; RUN: grep vdup.16 %t | count 2
+; RUN: grep vdup.32 %t | count 4
+
+define <8 x i8> @vduplane8(<8 x i8>* %A) nounwind {
+	%tmp1 = load <8 x i8>* %A
+	%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
+	ret <8 x i8> %tmp2
+}
+
+define <4 x i16> @vduplane16(<4 x i16>* %A) nounwind {
+	%tmp1 = load <4 x i16>* %A
+	%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 >
+	ret <4 x i16> %tmp2
+}
+
+define <2 x i32> @vduplane32(<2 x i32>* %A) nounwind {
+	%tmp1 = load <2 x i32>* %A
+	%tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> < i32 1, i32 1 >
+	ret <2 x i32> %tmp2
+}
+
+define <2 x float> @vduplanefloat(<2 x float>* %A) nounwind {
+	%tmp1 = load <2 x float>* %A
+	%tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> < i32 1, i32 1 >
+	ret <2 x float> %tmp2
+}
+
+define <16 x i8> @vduplaneQ8(<8 x i8>* %A) nounwind {
+	%tmp1 = load <8 x i8>* %A
+	%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <16 x i32> < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
+	ret <16 x i8> %tmp2
+}
+
+define <8 x i16> @vduplaneQ16(<4 x i16>* %A) nounwind {
+	%tmp1 = load <4 x i16>* %A
+	%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <8 x i32> < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
+	ret <8 x i16> %tmp2
+}
+
+define <4 x i32> @vduplaneQ32(<2 x i32>* %A) nounwind {
+	%tmp1 = load <2 x i32>* %A
+	%tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 >
+	ret <4 x i32> %tmp2
+}
+
+define <4 x float> @vduplaneQfloat(<2 x float>* %A) nounwind {
+	%tmp1 = load <2 x float>* %A
+	%tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <4 x i32> < i32 1, i32 1, i32 1, i32 1 >
+	ret <4 x float> %tmp2
+}