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/vpadd.ll b/test/CodeGen/ARM/vpadd.ll
new file mode 100644
index 0000000..baff492
--- /dev/null
+++ b/test/CodeGen/ARM/vpadd.ll
@@ -0,0 +1,39 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon > %t
+; RUN: grep {vpadd\\.i8} %t | count 1
+; RUN: grep {vpadd\\.i16} %t | count 1
+; RUN: grep {vpadd\\.i32} %t | count 1
+; RUN: grep {vpadd\\.f32} %t | count 1
+
+define <8 x i8> @vpaddi8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
+	%tmp1 = load <8 x i8>* %A
+	%tmp2 = load <8 x i8>* %B
+	%tmp3 = call <8 x i8> @llvm.arm.neon.vpaddi.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
+	ret <8 x i8> %tmp3
+}
+
+define <4 x i16> @vpaddi16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
+	%tmp1 = load <4 x i16>* %A
+	%tmp2 = load <4 x i16>* %B
+	%tmp3 = call <4 x i16> @llvm.arm.neon.vpaddi.v4i16(<4 x i16> %tmp1, <4 x i16> %tmp2)
+	ret <4 x i16> %tmp3
+}
+
+define <2 x i32> @vpaddi32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
+	%tmp1 = load <2 x i32>* %A
+	%tmp2 = load <2 x i32>* %B
+	%tmp3 = call <2 x i32> @llvm.arm.neon.vpaddi.v2i32(<2 x i32> %tmp1, <2 x i32> %tmp2)
+	ret <2 x i32> %tmp3
+}
+
+define <2 x float> @vpaddf32(<2 x float>* %A, <2 x float>* %B) nounwind {
+	%tmp1 = load <2 x float>* %A
+	%tmp2 = load <2 x float>* %B
+	%tmp3 = call <2 x float> @llvm.arm.neon.vpaddf.v2f32(<2 x float> %tmp1, <2 x float> %tmp2)
+	ret <2 x float> %tmp3
+}
+
+declare <8 x i8>  @llvm.arm.neon.vpaddi.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
+declare <4 x i16> @llvm.arm.neon.vpaddi.v4i16(<4 x i16>, <4 x i16>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vpaddi.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
+
+declare <2 x float> @llvm.arm.neon.vpaddf.v2f32(<2 x float>, <2 x float>) nounwind readnone