Tests for NEON encoding of vcls, vclz, and vcnt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117466 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/neon-bitcount-encoding.ll b/test/MC/ARM/neon-bitcount-encoding.ll
new file mode 100644 (file)
index 0000000..7f117f1
--- /dev/null
+++ b/test/MC/ARM/neon-bitcount-encoding.ll
@@ -0,0 +1,118 @@
+; RUN: llc -show-mc-encoding -march=arm -mcpu=cortex-a8 -mattr=+neon < %s | FileCheck %s
+
+define <8 x i8> @vcnt8(<8 x i8>* %A) nounwind {
+       %tmp1 = load <8 x i8>* %A
+; CHECK: vcnt.8        d16, d16                @ encoding: [0x20,0x05,0xf0,0xf3]
+       %tmp2 = call <8 x i8> @llvm.arm.neon.vcnt.v8i8(<8 x i8> %tmp1)
+       ret <8 x i8> %tmp2
+}
+
+define <16 x i8> @vcntQ8(<16 x i8>* %A) nounwind {
+       %tmp1 = load <16 x i8>* %A
+; CHECK: vcnt.8        q8, q8                  @ encoding: [0x60,0x05,0xf0,0xf3]
+       %tmp2 = call <16 x i8> @llvm.arm.neon.vcnt.v16i8(<16 x i8> %tmp1)
+       ret <16 x i8> %tmp2
+}
+
+declare <8 x i8>  @llvm.arm.neon.vcnt.v8i8(<8 x i8>) nounwind readnone
+declare <16 x i8> @llvm.arm.neon.vcnt.v16i8(<16 x i8>) nounwind readnone
+
+define <8 x i8> @vclz8(<8 x i8>* %A) nounwind {
+       %tmp1 = load <8 x i8>* %A
+; CHECK: vclz.i8       d16, d16                @ encoding: [0xa0,0x04,0xf0,0xf3]
+       %tmp2 = call <8 x i8> @llvm.arm.neon.vclz.v8i8(<8 x i8> %tmp1)
+       ret <8 x i8> %tmp2
+}
+
+define <4 x i16> @vclz16(<4 x i16>* %A) nounwind {
+       %tmp1 = load <4 x i16>* %A
+; CHECK: vclz.i16      d16, d16        @ encoding: [0xa0,0x04,0xf4,0xf3]
+       %tmp2 = call <4 x i16> @llvm.arm.neon.vclz.v4i16(<4 x i16> %tmp1)
+       ret <4 x i16> %tmp2
+}
+
+define <2 x i32> @vclz32(<2 x i32>* %A) nounwind {
+       %tmp1 = load <2 x i32>* %A
+; CHECK: vclz.i32      d16, d16        @ encoding: [0xa0,0x04,0xf8,0xf3]
+       %tmp2 = call <2 x i32> @llvm.arm.neon.vclz.v2i32(<2 x i32> %tmp1)
+       ret <2 x i32> %tmp2
+}
+
+define <16 x i8> @vclzQ8(<16 x i8>* %A) nounwind {
+       %tmp1 = load <16 x i8>* %A
+; CHECK: vclz.i8       q8, q8                  @ encoding: [0xe0,0x04,0xf0,0xf3]
+       %tmp2 = call <16 x i8> @llvm.arm.neon.vclz.v16i8(<16 x i8> %tmp1)
+       ret <16 x i8> %tmp2
+}
+
+define <8 x i16> @vclzQ16(<8 x i16>* %A) nounwind {
+       %tmp1 = load <8 x i16>* %A
+; CHECK: vclz.i16      q8, q8          @ encoding: [0xe0,0x04,0xf4,0xf3]
+       %tmp2 = call <8 x i16> @llvm.arm.neon.vclz.v8i16(<8 x i16> %tmp1)
+       ret <8 x i16> %tmp2
+}
+
+define <4 x i32> @vclzQ32(<4 x i32>* %A) nounwind {
+       %tmp1 = load <4 x i32>* %A
+; CHECK: vclz.i32      q8, q8          @ encoding: [0xe0,0x04,0xf8,0xf3]
+       %tmp2 = call <4 x i32> @llvm.arm.neon.vclz.v4i32(<4 x i32> %tmp1)
+       ret <4 x i32> %tmp2
+}
+
+declare <8 x i8>  @llvm.arm.neon.vclz.v8i8(<8 x i8>) nounwind readnone
+declare <4 x i16> @llvm.arm.neon.vclz.v4i16(<4 x i16>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vclz.v2i32(<2 x i32>) nounwind readnone
+
+declare <16 x i8> @llvm.arm.neon.vclz.v16i8(<16 x i8>) nounwind readnone
+declare <8 x i16> @llvm.arm.neon.vclz.v8i16(<8 x i16>) nounwind readnone
+declare <4 x i32> @llvm.arm.neon.vclz.v4i32(<4 x i32>) nounwind readnone
+
+define <8 x i8> @vclss8(<8 x i8>* %A) nounwind {
+       %tmp1 = load <8 x i8>* %A
+; CHECK: vcls.s8       d16, d16                @ encoding: [0x20,0x04,0xf0,0xf3]
+       %tmp2 = call <8 x i8> @llvm.arm.neon.vcls.v8i8(<8 x i8> %tmp1)
+       ret <8 x i8> %tmp2
+}
+
+define <4 x i16> @vclss16(<4 x i16>* %A) nounwind {
+       %tmp1 = load <4 x i16>* %A
+; CHECK: vcls.s16      d16, d16        @ encoding: [0x20,0x04,0xf4,0xf3]
+       %tmp2 = call <4 x i16> @llvm.arm.neon.vcls.v4i16(<4 x i16> %tmp1)
+       ret <4 x i16> %tmp2
+}
+
+define <2 x i32> @vclss32(<2 x i32>* %A) nounwind {
+       %tmp1 = load <2 x i32>* %A
+; CHECK: vcls.s32      d16, d16        @ encoding: [0x20,0x04,0xf8,0xf3]
+       %tmp2 = call <2 x i32> @llvm.arm.neon.vcls.v2i32(<2 x i32> %tmp1)
+       ret <2 x i32> %tmp2
+}
+
+define <16 x i8> @vclsQs8(<16 x i8>* %A) nounwind {
+       %tmp1 = load <16 x i8>* %A
+; CHECK: vcls.s8       q8, q8                  @ encoding: [0x60,0x04,0xf0,0xf3]
+       %tmp2 = call <16 x i8> @llvm.arm.neon.vcls.v16i8(<16 x i8> %tmp1)
+       ret <16 x i8> %tmp2
+}
+
+define <8 x i16> @vclsQs16(<8 x i16>* %A) nounwind {
+       %tmp1 = load <8 x i16>* %A
+; CHECK: vcls.s16      q8, q8          @ encoding: [0x60,0x04,0xf4,0xf3]
+       %tmp2 = call <8 x i16> @llvm.arm.neon.vcls.v8i16(<8 x i16> %tmp1)
+       ret <8 x i16> %tmp2
+}
+
+define <4 x i32> @vclsQs32(<4 x i32>* %A) nounwind {
+       %tmp1 = load <4 x i32>* %A
+; CHECK: vcls.s32      q8, q8          @ encoding: [0x60,0x04,0xf8,0xf3]
+       %tmp2 = call <4 x i32> @llvm.arm.neon.vcls.v4i32(<4 x i32> %tmp1)
+       ret <4 x i32> %tmp2
+}
+
+declare <8 x i8>  @llvm.arm.neon.vcls.v8i8(<8 x i8>) nounwind readnone
+declare <4 x i16> @llvm.arm.neon.vcls.v4i16(<4 x i16>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vcls.v2i32(<2 x i32>) nounwind readnone
+
+declare <16 x i8> @llvm.arm.neon.vcls.v16i8(<16 x i8>) nounwind readnone
+declare <8 x i16> @llvm.arm.neon.vcls.v8i16(<8 x i16>) nounwind readnone
+declare <4 x i32> @llvm.arm.neon.vcls.v4i32(<4 x i32>) nounwind readnone