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

1 files changed, 134 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/vdup.ll b/test/CodeGen/ARM/vdup.ll
new file mode 100644
index 00000000000..1c0887a2492
--- /dev/null
+++ b/test/CodeGen/ARM/vdup.ll
@@ -0,0 +1,134 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon > %t
+; RUN: grep vdup.8 %t | count 4
+; RUN: grep vdup.16 %t | count 4
+; RUN: grep vdup.32 %t | count 8
+
+define <8 x i8> @v_dup8(i8 %A) nounwind {
+	%tmp1 = insertelement <8 x i8> zeroinitializer, i8 %A, i32 0
+	%tmp2 = insertelement <8 x i8> %tmp1, i8 %A, i32 1
+	%tmp3 = insertelement <8 x i8> %tmp2, i8 %A, i32 2
+	%tmp4 = insertelement <8 x i8> %tmp3, i8 %A, i32 3
+	%tmp5 = insertelement <8 x i8> %tmp4, i8 %A, i32 4
+	%tmp6 = insertelement <8 x i8> %tmp5, i8 %A, i32 5
+	%tmp7 = insertelement <8 x i8> %tmp6, i8 %A, i32 6
+	%tmp8 = insertelement <8 x i8> %tmp7, i8 %A, i32 7
+	ret <8 x i8> %tmp8
+}
+
+define <4 x i16> @v_dup16(i16 %A) nounwind {
+	%tmp1 = insertelement <4 x i16> zeroinitializer, i16 %A, i32 0
+	%tmp2 = insertelement <4 x i16> %tmp1, i16 %A, i32 1
+	%tmp3 = insertelement <4 x i16> %tmp2, i16 %A, i32 2
+	%tmp4 = insertelement <4 x i16> %tmp3, i16 %A, i32 3
+	ret <4 x i16> %tmp4
+}
+
+define <2 x i32> @v_dup32(i32 %A) nounwind {
+	%tmp1 = insertelement <2 x i32> zeroinitializer, i32 %A, i32 0
+	%tmp2 = insertelement <2 x i32> %tmp1, i32 %A, i32 1
+	ret <2 x i32> %tmp2
+}
+
+define <2 x float> @v_dupfloat(float %A) nounwind {
+	%tmp1 = insertelement <2 x float> zeroinitializer, float %A, i32 0
+	%tmp2 = insertelement <2 x float> %tmp1, float %A, i32 1
+	ret <2 x float> %tmp2
+}
+
+define <16 x i8> @v_dupQ8(i8 %A) nounwind {
+	%tmp1 = insertelement <16 x i8> zeroinitializer, i8 %A, i32 0
+	%tmp2 = insertelement <16 x i8> %tmp1, i8 %A, i32 1
+	%tmp3 = insertelement <16 x i8> %tmp2, i8 %A, i32 2
+	%tmp4 = insertelement <16 x i8> %tmp3, i8 %A, i32 3
+	%tmp5 = insertelement <16 x i8> %tmp4, i8 %A, i32 4
+	%tmp6 = insertelement <16 x i8> %tmp5, i8 %A, i32 5
+	%tmp7 = insertelement <16 x i8> %tmp6, i8 %A, i32 6
+	%tmp8 = insertelement <16 x i8> %tmp7, i8 %A, i32 7
+	%tmp9 = insertelement <16 x i8> %tmp8, i8 %A, i32 8
+	%tmp10 = insertelement <16 x i8> %tmp9, i8 %A, i32 9
+	%tmp11 = insertelement <16 x i8> %tmp10, i8 %A, i32 10
+	%tmp12 = insertelement <16 x i8> %tmp11, i8 %A, i32 11
+	%tmp13 = insertelement <16 x i8> %tmp12, i8 %A, i32 12
+	%tmp14 = insertelement <16 x i8> %tmp13, i8 %A, i32 13
+	%tmp15 = insertelement <16 x i8> %tmp14, i8 %A, i32 14
+	%tmp16 = insertelement <16 x i8> %tmp15, i8 %A, i32 15
+	ret <16 x i8> %tmp16
+}
+
+define <8 x i16> @v_dupQ16(i16 %A) nounwind {
+	%tmp1 = insertelement <8 x i16> zeroinitializer, i16 %A, i32 0
+	%tmp2 = insertelement <8 x i16> %tmp1, i16 %A, i32 1
+	%tmp3 = insertelement <8 x i16> %tmp2, i16 %A, i32 2
+	%tmp4 = insertelement <8 x i16> %tmp3, i16 %A, i32 3
+	%tmp5 = insertelement <8 x i16> %tmp4, i16 %A, i32 4
+	%tmp6 = insertelement <8 x i16> %tmp5, i16 %A, i32 5
+	%tmp7 = insertelement <8 x i16> %tmp6, i16 %A, i32 6
+	%tmp8 = insertelement <8 x i16> %tmp7, i16 %A, i32 7
+	ret <8 x i16> %tmp8
+}
+
+define <4 x i32> @v_dupQ32(i32 %A) nounwind {
+	%tmp1 = insertelement <4 x i32> zeroinitializer, i32 %A, i32 0
+	%tmp2 = insertelement <4 x i32> %tmp1, i32 %A, i32 1
+	%tmp3 = insertelement <4 x i32> %tmp2, i32 %A, i32 2
+	%tmp4 = insertelement <4 x i32> %tmp3, i32 %A, i32 3
+	ret <4 x i32> %tmp4
+}
+
+define <4 x float> @v_dupQfloat(float %A) nounwind {
+	%tmp1 = insertelement <4 x float> zeroinitializer, float %A, i32 0
+	%tmp2 = insertelement <4 x float> %tmp1, float %A, i32 1
+	%tmp3 = insertelement <4 x float> %tmp2, float %A, i32 2
+	%tmp4 = insertelement <4 x float> %tmp3, float %A, i32 3
+	ret <4 x float> %tmp4
+}
+
+; Check to make sure it works with shuffles, too.
+
+define <8 x i8> @v_shuffledup8(i8 %A) nounwind {
+	%tmp1 = insertelement <8 x i8> undef, i8 %A, i32 0
+	%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> zeroinitializer
+	ret <8 x i8> %tmp2
+}
+
+define <4 x i16> @v_shuffledup16(i16 %A) nounwind {
+	%tmp1 = insertelement <4 x i16> undef, i16 %A, i32 0
+	%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> zeroinitializer
+	ret <4 x i16> %tmp2
+}
+
+define <2 x i32> @v_shuffledup32(i32 %A) nounwind {
+	%tmp1 = insertelement <2 x i32> undef, i32 %A, i32 0
+	%tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> zeroinitializer
+	ret <2 x i32> %tmp2
+}
+
+define <2 x float> @v_shuffledupfloat(float %A) nounwind {
+	%tmp1 = insertelement <2 x float> undef, float %A, i32 0
+	%tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> zeroinitializer
+	ret <2 x float> %tmp2
+}
+
+define <16 x i8> @v_shuffledupQ8(i8 %A) nounwind {
+	%tmp1 = insertelement <16 x i8> undef, i8 %A, i32 0
+	%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> zeroinitializer
+	ret <16 x i8> %tmp2
+}
+
+define <8 x i16> @v_shuffledupQ16(i16 %A) nounwind {
+	%tmp1 = insertelement <8 x i16> undef, i16 %A, i32 0
+	%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> zeroinitializer
+	ret <8 x i16> %tmp2
+}
+
+define <4 x i32> @v_shuffledupQ32(i32 %A) nounwind {
+	%tmp1 = insertelement <4 x i32> undef, i32 %A, i32 0
+	%tmp2 = shufflevector <4 x i32> %tmp1, <4 x i32> undef, <4 x i32> zeroinitializer
+	ret <4 x i32> %tmp2
+}
+
+define <4 x float> @v_shuffledupQfloat(float %A) nounwind {
+	%tmp1 = insertelement <4 x float> undef, float %A, i32 0
+	%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> zeroinitializer
+	ret <4 x float> %tmp2
+}