Implemented Neon scalar vdup_lane intrinsics.

Fixed scalar dup alias and added test case.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195330 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 80 insertions, 0 deletions

diff --git a/test/CodeGen/AArch64/neon-scalar-copy.ll b/test/CodeGen/AArch64/neon-scalar-copy.ll
new file mode 100644
index 0000000000..59f62374d4
--- /dev/null
+++ b/test/CodeGen/AArch64/neon-scalar-copy.ll
@@ -0,0 +1,80 @@
+; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck %s
+
+define float @test_dup_sv2S(<2 x float> %v) {
+ ;CHECK: test_dup_sv2S
+ ;CHECK: dup {{s[0-31]+}}, {{v[0-31]+}}.s[1]
+ %tmp1 = extractelement <2 x float> %v, i32 1
+ ret float  %tmp1
+}
+
+define float @test_dup_sv4S(<4 x float> %v) {
+ ;CHECK: test_dup_sv4S
+ ;CHECK: dup {{s[0-31]+}}, {{v[0-31]+}}.s[0]
+ %tmp1 = extractelement <4 x float> %v, i32 0
+ ret float  %tmp1
+}
+
+define double @test_dup_dvD(<1 x double> %v) {
+ ;CHECK: test_dup_dvD
+ ;CHECK-NOT: dup {{d[0-31]+}}, {{v[0-31]+}}.d[0]
+ ;CHECK: ret
+ %tmp1 = extractelement <1 x double> %v, i32 0
+ ret double  %tmp1
+}
+
+define double @test_dup_dv2D(<2 x double> %v) {
+ ;CHECK: test_dup_dv2D
+ ;CHECK: dup {{d[0-31]+}}, {{v[0-31]+}}.d[1]
+ %tmp1 = extractelement <2 x double> %v, i32 1
+ ret double  %tmp1
+}
+
+define <1 x i8> @test_vector_dup_bv16B(<16 x i8> %v1) {
+ ;CHECK: test_vector_dup_bv16B
+ ;CHECK: dup {{b[0-31]+}}, {{v[0-31]+}}.b[14]
+ %shuffle.i = shufflevector <16 x i8> %v1, <16 x i8> undef, <1 x i32> <i32 14> 
+ ret <1 x i8> %shuffle.i
+}
+
+define <1 x i8> @test_vector_dup_bv8B(<8 x i8> %v1) {
+ ;CHECK: test_vector_dup_bv8B
+ ;CHECK: dup {{b[0-31]+}}, {{v[0-31]+}}.b[7]
+ %shuffle.i = shufflevector <8 x i8> %v1, <8 x i8> undef, <1 x i32> <i32 7> 
+ ret <1 x i8> %shuffle.i
+}
+
+define <1 x i16> @test_vector_dup_hv8H(<8 x i16> %v1) {
+ ;CHECK: test_vector_dup_hv8H
+ ;CHECK: dup {{h[0-31]+}}, {{v[0-31]+}}.h[7]
+ %shuffle.i = shufflevector <8 x i16> %v1, <8 x i16> undef, <1 x i32> <i32 7> 
+ ret <1 x i16> %shuffle.i
+}
+
+define <1 x i16> @test_vector_dup_hv4H(<4 x i16> %v1) {
+ ;CHECK: test_vector_dup_hv4H
+ ;CHECK: dup {{h[0-31]+}}, {{v[0-31]+}}.h[3]
+ %shuffle.i = shufflevector <4 x i16> %v1, <4 x i16> undef, <1 x i32> <i32 3> 
+ ret <1 x i16> %shuffle.i
+}
+
+define <1 x i32> @test_vector_dup_sv4S(<4 x i32> %v1) {
+ ;CHECK: test_vector_dup_sv4S
+ ;CHECK: dup {{s[0-31]+}}, {{v[0-31]+}}.s[3]
+ %shuffle = shufflevector <4 x i32> %v1, <4 x i32> undef, <1 x i32> <i32 3> 
+ ret <1 x i32> %shuffle
+}
+
+define <1 x i32> @test_vector_dup_sv2S(<2 x i32> %v1) {
+ ;CHECK: test_vector_dup_sv2S
+ ;CHECK: dup {{s[0-31]+}}, {{v[0-31]+}}.s[1]
+ %shuffle = shufflevector <2 x i32> %v1, <2 x i32> undef, <1 x i32> <i32 1> 
+ ret <1 x i32> %shuffle
+}
+
+define <1 x i64> @test_vector_dup_dv2D(<2 x i64> %v1) {
+ ;CHECK: test_vector_dup_dv2D
+ ;CHECK: dup {{d[0-31]+}}, {{v[0-31]+}}.d[1]
+ %shuffle.i = shufflevector <2 x i64> %v1, <2 x i64> undef, <1 x i32> <i32 1> 
+ ret <1 x i64> %shuffle.i
+}
+