Tests for NEON encoding of vpadd and vpaddl.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117377 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/neon-pairwise-encoding.ll b/test/MC/ARM/neon-pairwise-encoding.ll
new file mode 100644 (file)
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+++ b/test/MC/ARM/neon-pairwise-encoding.ll
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+; RUN: llc -show-mc-encoding -march=arm -mcpu=cortex-a8 -mattr=+neon < %s | FileCheck %s
+
+declare <8 x i8>  @llvm.arm.neon.vpadd.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
+declare <4 x i16> @llvm.arm.neon.vpadd.v4i16(<4 x i16>, <4 x i16>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vpadd.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
+
+; CHECK: vpadd_8xi8
+define <8 x i8> @vpadd_8xi8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
+       %tmp1 = load <8 x i8>* %A
+       %tmp2 = load <8 x i8>* %B
+; CHECK: vpadd.i8      d16, d17, d16   @ encoding: [0xb0,0x0b,0x41,0xf2]
+       %tmp3 = call <8 x i8> @llvm.arm.neon.vpadd.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
+       ret <8 x i8> %tmp3
+}
+
+; CHECK: vpadd_4xi16
+define <4 x i16> @vpadd_4xi16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
+       %tmp1 = load <4 x i16>* %A
+       %tmp2 = load <4 x i16>* %B
+; CHECK: vpadd.i16     d16, d17, d16   @ encoding: [0xb0,0x0b,0x51,0xf2]
+       %tmp3 = call <4 x i16> @llvm.arm.neon.vpadd.v4i16(<4 x i16> %tmp1, <4 x i16> %tmp2)
+       ret <4 x i16> %tmp3
+}
+
+; CHECK: vpadd_2xi32
+define <2 x i32> @vpadd_2xi32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
+       %tmp1 = load <2 x i32>* %A
+       %tmp2 = load <2 x i32>* %B
+; CHECK: vpadd.i32     d16, d17, d16   @ encoding: [0xb0,0x0b,0x61,0xf2]
+       %tmp3 = call <2 x i32> @llvm.arm.neon.vpadd.v2i32(<2 x i32> %tmp1, <2 x i32> %tmp2)
+       ret <2 x i32> %tmp3
+}
+
+declare <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float>, <2 x float>) nounwind readnone
+
+; CHECK: vpadd_2xfloat
+define <2 x float> @vpadd_2xfloat(<2 x float>* %A, <2 x float>* %B) nounwind {
+       %tmp1 = load <2 x float>* %A
+       %tmp2 = load <2 x float>* %B
+; CHECK: vpadd.f32     d16, d16, d17   @ encoding: [0xa1,0x0d,0x40,0xf3]
+       %tmp3 = call <2 x float> @llvm.arm.neon.vpadd.v2f32(<2 x float> %tmp1, <2 x float> %tmp2)
+       ret <2 x float> %tmp3
+}
+
+declare <4 x i16> @llvm.arm.neon.vpaddls.v4i16.v8i8(<8 x i8>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vpaddls.v2i32.v4i16(<4 x i16>) nounwind readnone
+declare <1 x i64> @llvm.arm.neon.vpaddls.v1i64.v2i32(<2 x i32>) nounwind readnone
+
+; CHECK: vpaddls_8xi8
+define <4 x i16> @vpaddls_8xi8(<8 x i8>* %A) nounwind {
+       %tmp1 = load <8 x i8>* %A
+; CHECK: vpaddl.s8     d16, d16        @ encoding: [0x20,0x02,0xf0,0xf3]
+       %tmp2 = call <4 x i16> @llvm.arm.neon.vpaddls.v4i16.v8i8(<8 x i8> %tmp1)
+       ret <4 x i16> %tmp2
+}
+
+; CHECK: vpaddls_4xi16
+define <2 x i32> @vpaddls_4xi16(<4 x i16>* %A) nounwind {
+       %tmp1 = load <4 x i16>* %A
+; CHECK: vpaddl.s16    d16, d16        @ encoding: [0x20,0x02,0xf4,0xf3]
+       %tmp2 = call <2 x i32> @llvm.arm.neon.vpaddls.v2i32.v4i16(<4 x i16> %tmp1)
+       ret <2 x i32> %tmp2
+}
+
+; CHECK: vpaddls_2xi32
+define <1 x i64> @vpaddls_2xi32(<2 x i32>* %A) nounwind {
+       %tmp1 = load <2 x i32>* %A
+; CHECK: vpaddl.s32    d16, d16        @ encoding: [0x20,0x02,0xf8,0xf3]
+       %tmp2 = call <1 x i64> @llvm.arm.neon.vpaddls.v1i64.v2i32(<2 x i32> %tmp1)
+       ret <1 x i64> %tmp2
+}
+
+declare <4 x i16> @llvm.arm.neon.vpaddlu.v4i16.v8i8(<8 x i8>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vpaddlu.v2i32.v4i16(<4 x i16>) nounwind readnone
+declare <1 x i64> @llvm.arm.neon.vpaddlu.v1i64.v2i32(<2 x i32>) nounwind readnone
+
+; CHECK: vpaddlu_8xi8
+define <4 x i16> @vpaddlu_8xi8(<8 x i8>* %A) nounwind {
+       %tmp1 = load <8 x i8>* %A
+; CHECK: vpaddl.u8     d16, d16        @ encoding: [0xa0,0x02,0xf0,0xf3]
+       %tmp2 = call <4 x i16> @llvm.arm.neon.vpaddlu.v4i16.v8i8(<8 x i8> %tmp1)
+       ret <4 x i16> %tmp2
+}
+
+; CHECK: vpaddlu_4xi16
+define <2 x i32> @vpaddlu_4xi16(<4 x i16>* %A) nounwind {
+       %tmp1 = load <4 x i16>* %A
+; CHECK: vpaddl.u16    d16, d16        @ encoding: [0xa0,0x02,0xf4,0xf3]
+       %tmp2 = call <2 x i32> @llvm.arm.neon.vpaddlu.v2i32.v4i16(<4 x i16> %tmp1)
+       ret <2 x i32> %tmp2
+}
+
+; CHECK: vpaddlu_2xi32
+define <1 x i64> @vpaddlu_2xi32(<2 x i32>* %A) nounwind {
+       %tmp1 = load <2 x i32>* %A
+; CHECK: vpaddl.u32    d16, d16        @ encoding: [0xa0,0x02,0xf8,0xf3]
+       %tmp2 = call <1 x i64> @llvm.arm.neon.vpaddlu.v1i64.v2i32(<2 x i32> %tmp1)
+       ret <1 x i64> %tmp2
+}
+
+declare <8 x i16> @llvm.arm.neon.vpaddls.v8i16.v16i8(<16 x i8>) nounwind readnone
+declare <4 x i32> @llvm.arm.neon.vpaddls.v4i32.v8i16(<8 x i16>) nounwind readnone
+declare <2 x i64> @llvm.arm.neon.vpaddls.v2i64.v4i32(<4 x i32>) nounwind readnone
+
+; CHECK: vpaddls_16xi8
+define <8 x i16> @vpaddls_16xi8(<16 x i8>* %A) nounwind {
+       %tmp1 = load <16 x i8>* %A
+; CHECK: vpaddl.s8     q8, q8          @ encoding: [0x60,0x02,0xf0,0xf3]
+       %tmp2 = call <8 x i16> @llvm.arm.neon.vpaddls.v8i16.v16i8(<16 x i8> %tmp1)
+       ret <8 x i16> %tmp2
+}
+
+; CHECK: vpaddls_8xi16
+define <4 x i32> @vpaddls_8xi16(<8 x i16>* %A) nounwind {
+       %tmp1 = load <8 x i16>* %A
+; CHECK: vpaddl.s16    q8, q8          @ encoding: [0x60,0x02,0xf4,0xf3]
+       %tmp2 = call <4 x i32> @llvm.arm.neon.vpaddls.v4i32.v8i16(<8 x i16> %tmp1)
+       ret <4 x i32> %tmp2
+}
+
+; CHECK: vpaddls_4xi32
+define <2 x i64> @vpaddls_4xi32(<4 x i32>* %A) nounwind {
+       %tmp1 = load <4 x i32>* %A
+; CHECK: vpaddl.s32    q8, q8          @ encoding: [0x60,0x02,0xf8,0xf3]
+       %tmp2 = call <2 x i64> @llvm.arm.neon.vpaddls.v2i64.v4i32(<4 x i32> %tmp1)
+       ret <2 x i64> %tmp2
+}
+
+declare <8 x i16> @llvm.arm.neon.vpaddlu.v8i16.v16i8(<16 x i8>) nounwind readnone
+declare <4 x i32> @llvm.arm.neon.vpaddlu.v4i32.v8i16(<8 x i16>) nounwind readnone
+declare <2 x i64> @llvm.arm.neon.vpaddlu.v2i64.v4i32(<4 x i32>) nounwind readnone
+
+; CHECK: vpaddlu_16xi8
+define <8 x i16> @vpaddlu_16xi8(<16 x i8>* %A) nounwind {
+       %tmp1 = load <16 x i8>* %A
+; CHECK: vpaddl.u8     q8, q8          @ encoding: [0xe0,0x02,0xf0,0xf3]
+       %tmp2 = call <8 x i16> @llvm.arm.neon.vpaddlu.v8i16.v16i8(<16 x i8> %tmp1)
+       ret <8 x i16> %tmp2
+}
+
+; CHECK: vpaddlu_8xi16
+define <4 x i32> @vpaddlu_8xi16(<8 x i16>* %A) nounwind {
+       %tmp1 = load <8 x i16>* %A
+; CHECK: vpaddl.u16    q8, q8          @ encoding: [0xe0,0x02,0xf4,0xf3]
+       %tmp2 = call <4 x i32> @llvm.arm.neon.vpaddlu.v4i32.v8i16(<8 x i16> %tmp1)
+       ret <4 x i32> %tmp2
+}
+
+; CHECK: vpaddlu_4xi32
+define <2 x i64> @vpaddlu_4xi32(<4 x i32>* %A) nounwind {
+       %tmp1 = load <4 x i32>* %A
+; CHECK: vpaddl.u32    q8, q8          @ encoding: [0xe0,0x02,0xf8,0xf3]
+       %tmp2 = call <2 x i64> @llvm.arm.neon.vpaddlu.v2i64.v4i32(<4 x i32> %tmp1)
+       ret <2 x i64> %tmp2
+}