Clang and AArch64 backend patches to support shll/shl and vmovl instructions and ACLE functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188451 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 241 insertions, 0 deletions

diff --git a/test/CodeGen/AArch64/neon-shift-left-long.ll b/test/CodeGen/AArch64/neon-shift-left-long.ll
new file mode 100644
index 0000000000..d45c47685b
--- /dev/null
+++ b/test/CodeGen/AArch64/neon-shift-left-long.ll
@@ -0,0 +1,193 @@
+; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s
+
+define <8 x i16> @test_sshll_v8i8(<8 x i8> %a) {
+; CHECK: test_sshll_v8i8:
+; CHECK: sshll {{v[0-9]+}}.8h, {{v[0-9]+}}.8b, #3
+  %1 = sext <8 x i8> %a to <8 x i16>
+  %tmp = shl <8 x i16> %1, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_sshll_v4i16(<4 x i16> %a) {
+; CHECK: test_sshll_v4i16:
+; CHECK: sshll {{v[0-9]+}}.4s, {{v[0-9]+}}.4h, #9
+  %1 = sext <4 x i16> %a to <4 x i32>
+  %tmp = shl <4 x i32> %1, <i32 9, i32 9, i32 9, i32 9>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_sshll_v2i32(<2 x i32> %a) {
+; CHECK: test_sshll_v2i32:
+; CHECK: sshll {{v[0-9]+}}.2d, {{v[0-9]+}}.2s, #19
+  %1 = sext <2 x i32> %a to <2 x i64>
+  %tmp = shl <2 x i64> %1, <i64 19, i64 19>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_ushll_v8i8(<8 x i8> %a) {
+; CHECK: test_ushll_v8i8:
+; CHECK: ushll {{v[0-9]+}}.8h, {{v[0-9]+}}.8b, #3
+  %1 = zext <8 x i8> %a to <8 x i16>
+  %tmp = shl <8 x i16> %1, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_ushll_v4i16(<4 x i16> %a) {
+; CHECK: test_ushll_v4i16:
+; CHECK: ushll {{v[0-9]+}}.4s, {{v[0-9]+}}.4h, #9
+  %1 = zext <4 x i16> %a to <4 x i32>
+  %tmp = shl <4 x i32> %1, <i32 9, i32 9, i32 9, i32 9>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_ushll_v2i32(<2 x i32> %a) {
+; CHECK: test_ushll_v2i32:
+; CHECK: ushll {{v[0-9]+}}.2d, {{v[0-9]+}}.2s, #19
+  %1 = zext <2 x i32> %a to <2 x i64>
+  %tmp = shl <2 x i64> %1, <i64 19, i64 19>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_sshll2_v16i8(<16 x i8> %a) {
+; CHECK: test_sshll2_v16i8:
+; CHECK: sshll2 {{v[0-9]+}}.8h, {{v[0-9]+}}.16b, #3
+  %1 = shufflevector <16 x i8> %a, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %2 = sext <8 x i8> %1 to <8 x i16>
+  %tmp = shl <8 x i16> %2, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_sshll2_v8i16(<8 x i16> %a) {
+; CHECK: test_sshll2_v8i16:
+; CHECK: sshll2 {{v[0-9]+}}.4s, {{v[0-9]+}}.8h, #9
+  %1 = shufflevector <8 x i16> %a, <8 x i16> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+  %2 = sext <4 x i16> %1 to <4 x i32>
+  %tmp = shl <4 x i32> %2, <i32 9, i32 9, i32 9, i32 9>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_sshll2_v4i32(<4 x i32> %a) {
+; CHECK: test_sshll2_v4i32:
+; CHECK: sshll2 {{v[0-9]+}}.2d, {{v[0-9]+}}.4s, #19
+  %1 = shufflevector <4 x i32> %a, <4 x i32> undef, <2 x i32> <i32 2, i32 3>
+  %2 = sext <2 x i32> %1 to <2 x i64>
+  %tmp = shl <2 x i64> %2, <i64 19, i64 19>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_ushll2_v16i8(<16 x i8> %a) {
+; CHECK: test_ushll2_v16i8:
+; CHECK: ushll2 {{v[0-9]+}}.8h, {{v[0-9]+}}.16b, #3
+  %1 = shufflevector <16 x i8> %a, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %2 = zext <8 x i8> %1 to <8 x i16>
+  %tmp = shl <8 x i16> %2, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_ushll2_v8i16(<8 x i16> %a) {
+; CHECK: test_ushll2_v8i16:
+; CHECK: ushll2 {{v[0-9]+}}.4s, {{v[0-9]+}}.8h, #9
+  %1 = shufflevector <8 x i16> %a, <8 x i16> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+  %2 = zext <4 x i16> %1 to <4 x i32>
+  %tmp = shl <4 x i32> %2, <i32 9, i32 9, i32 9, i32 9>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_ushll2_v4i32(<4 x i32> %a) {
+; CHECK: test_ushll2_v4i32:
+; CHECK: ushll2 {{v[0-9]+}}.2d, {{v[0-9]+}}.4s, #19
+  %1 = shufflevector <4 x i32> %a, <4 x i32> undef, <2 x i32> <i32 2, i32 3>
+  %2 = zext <2 x i32> %1 to <2 x i64>
+  %tmp = shl <2 x i64> %2, <i64 19, i64 19>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_sshll_shl0_v8i8(<8 x i8> %a) {
+; CHECK: test_sshll_shl0_v8i8:
+; CHECK: sshll {{v[0-9]+}}.8h, {{v[0-9]+}}.8b, #0
+  %tmp = sext <8 x i8> %a to <8 x i16>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_sshll_shl0_v4i16(<4 x i16> %a) {
+; CHECK: test_sshll_shl0_v4i16:
+; CHECK: sshll {{v[0-9]+}}.4s, {{v[0-9]+}}.4h, #0
+  %tmp = sext <4 x i16> %a to <4 x i32>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_sshll_shl0_v2i32(<2 x i32> %a) {
+; CHECK: test_sshll_shl0_v2i32:
+; CHECK: sshll {{v[0-9]+}}.2d, {{v[0-9]+}}.2s, #0
+  %tmp = sext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_ushll_shl0_v8i8(<8 x i8> %a) {
+; CHECK: test_ushll_shl0_v8i8:
+; CHECK: ushll {{v[0-9]+}}.8h, {{v[0-9]+}}.8b, #0
+  %tmp = zext <8 x i8> %a to <8 x i16>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_ushll_shl0_v4i16(<4 x i16> %a) {
+; CHECK: test_ushll_shl0_v4i16:
+; CHECK: ushll {{v[0-9]+}}.4s, {{v[0-9]+}}.4h, #0
+  %tmp = zext <4 x i16> %a to <4 x i32>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_ushll_shl0_v2i32(<2 x i32> %a) {
+; CHECK: test_ushll_shl0_v2i32:
+; CHECK: ushll {{v[0-9]+}}.2d, {{v[0-9]+}}.2s, #0
+  %tmp = zext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_sshll2_shl0_v16i8(<16 x i8> %a) {
+; CHECK: test_sshll2_shl0_v16i8:
+; CHECK: sshll2 {{v[0-9]+}}.8h, {{v[0-9]+}}.16b, #0
+  %1 = shufflevector <16 x i8> %a, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %tmp = sext <8 x i8> %1 to <8 x i16>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_sshll2_shl0_v8i16(<8 x i16> %a) {
+; CHECK: test_sshll2_shl0_v8i16:
+; CHECK: sshll2 {{v[0-9]+}}.4s, {{v[0-9]+}}.8h, #0
+  %1 = shufflevector <8 x i16> %a, <8 x i16> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+  %tmp = sext <4 x i16> %1 to <4 x i32>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_sshll2_shl0_v4i32(<4 x i32> %a) {
+; CHECK: test_sshll2_shl0_v4i32:
+; CHECK: sshll2 {{v[0-9]+}}.2d, {{v[0-9]+}}.4s, #0
+  %1 = shufflevector <4 x i32> %a, <4 x i32> undef, <2 x i32> <i32 2, i32 3>
+  %tmp = sext <2 x i32> %1 to <2 x i64>
+  ret <2 x i64> %tmp
+}
+
+define <8 x i16> @test_ushll2_shl0_v16i8(<16 x i8> %a) {
+; CHECK: test_ushll2_shl0_v16i8:
+; CHECK: ushll2 {{v[0-9]+}}.8h, {{v[0-9]+}}.16b, #0
+  %1 = shufflevector <16 x i8> %a, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %tmp = zext <8 x i8> %1 to <8 x i16>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_ushll2_shl0_v8i16(<8 x i16> %a) {
+; CHECK: test_ushll2_shl0_v8i16:
+; CHECK: ushll2 {{v[0-9]+}}.4s, {{v[0-9]+}}.8h, #0
+  %1 = shufflevector <8 x i16> %a, <8 x i16> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+  %tmp = zext <4 x i16> %1 to <4 x i32>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_ushll2_shl0_v4i32(<4 x i32> %a) {
+; CHECK: test_ushll2_shl0_v4i32:
+; CHECK: ushll2 {{v[0-9]+}}.2d, {{v[0-9]+}}.4s, #0
+  %1 = shufflevector <4 x i32> %a, <4 x i32> undef, <2 x i32> <i32 2, i32 3>
+  %tmp = zext <2 x i32> %1 to <2 x i64>
+  ret <2 x i64> %tmp
+}
diff --git a/test/CodeGen/AArch64/neon-shift.ll b/test/CodeGen/AArch64/neon-shift.ll
index 45a2605799..9b11ba858e 100644
--- a/test/CodeGen/AArch64/neon-shift.ll
+++ b/test/CodeGen/AArch64/neon-shift.ll
@@ -137,4 +137,52 @@ define <2 x i64> @test_sshl_v2i64(<2 x i64> %lhs, <2 x i64> %rhs) {
 }
 
 
+define <8 x i8> @test_shl_v8i8(<8 x i8> %a) {
+; CHECK: test_shl_v8i8:
+; CHECK: shl {{v[0-9]+}}.8b, {{v[0-9]+}}.8b, #3
+  %tmp = shl <8 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
+  ret <8 x i8> %tmp
+}
+
+define <4 x i16> @test_shl_v4i16(<4 x i16> %a) {
+; CHECK: test_shl_v4i16:
+; CHECK: shl {{v[0-9]+}}.4h, {{v[0-9]+}}.4h, #3
+  %tmp = shl <4 x i16> %a, <i16 3, i16 3, i16 3, i16 3>
+  ret <4 x i16> %tmp
+}
+
+define <2 x i32> @test_shl_v2i32(<2 x i32> %a) {
+; CHECK: test_shl_v2i32:
+; CHECK: shl {{v[0-9]+}}.2s, {{v[0-9]+}}.2s, #3
+  %tmp = shl <2 x i32> %a, <i32 3, i32 3>
+  ret <2 x i32> %tmp
+}
+
+define <16 x i8> @test_shl_v16i8(<16 x i8> %a) {
+; CHECK: test_shl_v16i8:
+; CHECK: shl {{v[0-9]+}}.16b, {{v[0-9]+}}.16b, #3
+  %tmp = shl <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
+  ret <16 x i8> %tmp
+}
+
+define <8 x i16> @test_shl_v8i16(<8 x i16> %a) {
+; CHECK: test_shl_v8i16:
+; CHECK: shl {{v[0-9]+}}.8h, {{v[0-9]+}}.8h, #3
+  %tmp = shl <8 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
+  ret <8 x i16> %tmp
+}
+
+define <4 x i32> @test_shl_v4i32(<4 x i32> %a) {
+; CHECK: test_shl_v4i32:
+; CHECK: shl {{v[0-9]+}}.4s, {{v[0-9]+}}.4s, #3
+  %tmp = shl <4 x i32> %a, <i32 3, i32 3, i32 3, i32 3>
+  ret <4 x i32> %tmp
+}
+
+define <2 x i64> @test_shl_v2i64(<2 x i64> %a) {
+; CHECK: test_shl_v2i64:
+; CHECK: shl {{v[0-9]+}}.2d, {{v[0-9]+}}.2d, #3
+  %tmp = shl <2 x i64> %a, <i64 3, i64 3>
+  ret <2 x i64> %tmp
+}