From: Tim Northover <tnorthover@apple.com>
Date: Tue, 22 Apr 2014 10:10:18 +0000 (+0000)
Subject: AArch64/ARM64: add patterns for scalar_to_vector/extract pairs
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=0e277d18bb4cb2432feaf42f6dc2980272b6e7df;p=oota-llvm.git

AArch64/ARM64: add patterns for scalar_to_vector/extract pairs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206876 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM64/ARM64InstrFormats.td b/lib/Target/ARM64/ARM64InstrFormats.td
index 76fe443e2f5..696b15fbf3f 100644
--- a/lib/Target/ARM64/ARM64InstrFormats.td
+++ b/lib/Target/ARM64/ARM64InstrFormats.td
@@ -5801,6 +5801,10 @@ multiclass SIMDScalarCPY<string asm> {
     let Inst{19-16} = 0b1000;
   }
 
+  def : Pat<(v1i64 (scalar_to_vector (i64 (vector_extract (v2i64 V128:$src),
+                                                          VectorIndexD:$idx)))),
+            (!cast<Instruction>(NAME # i64) V128:$src, VectorIndexD:$idx)>;
+
   // 'DUP' mnemonic aliases.
   def : SIMDScalarCPYAlias<"dup", ".b",
                            !cast<Instruction>(NAME#"i8"),
diff --git a/test/CodeGen/AArch64/neon-scalar-copy.ll b/test/CodeGen/AArch64/neon-scalar-copy.ll
index fadd73484e7..a505dafa3e7 100644
--- a/test/CodeGen/AArch64/neon-scalar-copy.ll
+++ b/test/CodeGen/AArch64/neon-scalar-copy.ll
@@ -1,103 +1,112 @@
-; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck %s
+; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+neon < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-AARCH64
+; RUN: llc -mtriple=arm64-none-linux-gnu -mattr=+neon < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ARM64
+
 
 define float @test_dup_sv2S(<2 x float> %v) {
- ;CHECK: test_dup_sv2S
- ;CHECK: dup {{s[0-9]+}}, {{v[0-9]+}}.s[1]
+ ; CHECK-LABEL: test_dup_sv2S
+ ; CHECK-AARCH64: dup {{s[0-9]+}}, {{v[0-9]+}}.s[1]
+ ; CHECK-ARM64: ins {{v[0-9]+}}.s[0], {{v[0-9]+}}.s[1]
  %tmp1 = extractelement <2 x float> %v, i32 1
  ret float  %tmp1
 }
 
 define float @test_dup_sv2S_0(<2 x float> %v) {
- ;CHECK-LABEL: test_dup_sv2S_0
- ;CHECK-NOT: dup {{s[0-9]+}}, {{v[0-9]+}}.s[0]
- ;CHECK: ret
+ ; CHECK-LABEL: test_dup_sv2S_0
+ ; CHECK-NOT: dup {{[vsd][0-9]+}}
+ ; CHECK-NOT: ins {{[vsd][0-9]+}}
+ ; CHECK: ret
  %tmp1 = extractelement <2 x float> %v, i32 0
  ret float  %tmp1
 }
 
 define float @test_dup_sv4S(<4 x float> %v) {
- ;CHECK-LABEL: test_dup_sv4S
- ;CHECK-NOT: dup {{s[0-9]+}}, {{v[0-9]+}}.s[0]
- ;CHECK: ret
+ ; CHECK-LABEL: test_dup_sv4S
+ ; CHECK-NOT: dup {{[vsd][0-9]+}}
+ ; CHECK-NOT: ins {{[vsd][0-9]+}}
+ ; CHECK: ret
  %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[0-9]+}}, {{v[0-9]+}}.d[0]
- ;CHECK: ret
+ ; CHECK-LABEL: test_dup_dvD
+ ; CHECK-NOT: dup {{[vsd][0-9]+}}
+ ; CHECK-NOT: ins {{[vsd][0-9]+}}
+ ; 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[0-9]+}}, {{v[0-9]+}}.d[1]
+ ; CHECK-LABEL: test_dup_dv2D
+ ; CHECK-AARCH64: dup {{d[0-9]+}}, {{v[0-9]+}}.d[1]
+ ; CHECK-ARM64: ins {{v[0-9]+}}.d[0], {{v[0-9]+}}.d[1]
  %tmp1 = extractelement <2 x double> %v, i32 1
  ret double  %tmp1
 }
 
 define double @test_dup_dv2D_0(<2 x double> %v) {
- ;CHECK: test_dup_dv2D_0
- ;CHECK-NOT: dup {{d[0-9]+}}, {{v[0-9]+}}.d[0]
- ;CHECK: ret
+ ; CHECK-LABEL: test_dup_dv2D_0
+ ; CHECK-AARCH64: dup {{d[0-9]+}}, {{v[0-9]+}}.d[1]
+ ; CHECK-ARM64: ins {{v[0-9]+}}.d[0], {{v[0-9]+}}.d[1]
+ ; CHECK: ret
  %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[0-9]+}}, {{v[0-9]+}}.b[14]
+ ; CHECK-LABEL: test_vector_dup_bv16B
+ ; CHECK-AARCH64: dup {{b[0-9]+}}, {{v[0-9]+}}.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[0-9]+}}, {{v[0-9]+}}.b[7]
+ ; CHECK-LABEL: test_vector_dup_bv8B
+ ; CHECK-AARCH64: dup {{b[0-9]+}}, {{v[0-9]+}}.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[0-9]+}}, {{v[0-9]+}}.h[7]
+ ; CHECK-LABEL: test_vector_dup_hv8H
+ ; CHECK-AARCH64: dup {{h[0-9]+}}, {{v[0-9]+}}.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[0-9]+}}, {{v[0-9]+}}.h[3]
+ ; CHECK-LABEL: test_vector_dup_hv4H
+ ; CHECK-AARCH64: dup {{h[0-9]+}}, {{v[0-9]+}}.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[0-9]+}}, {{v[0-9]+}}.s[3]
+ ; CHECK-LABEL: test_vector_dup_sv4S
+ ; CHECK-AARCH64: dup {{s[0-9]+}}, {{v[0-9]+}}.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[0-9]+}}, {{v[0-9]+}}.s[1]
+ ; CHECK-LABEL: test_vector_dup_sv2S
+ ; CHECK-AARCH64: dup {{s[0-9]+}}, {{v[0-9]+}}.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[0-9]+}}, {{v[0-9]+}}.d[1]
+ ; CHECK-LABEL: test_vector_dup_dv2D
+ ; CHECK-AARCH64: dup {{d[0-9]+}}, {{v[0-9]+}}.d[1]
+ ; CHECK-ARM64: ext {{v[0-9]+}}.16b, {{v[0-9]+}}.16b, {{v[0-9]+}}.16b, #8
  %shuffle.i = shufflevector <2 x i64> %v1, <2 x i64> undef, <1 x i32> <i32 1> 
  ret <1 x i64> %shuffle.i
 }
 
 define <1 x i64> @test_vector_copy_dup_dv2D(<1 x i64> %a, <2 x i64> %c) {
-  ;CHECK: test_vector_copy_dup_dv2D
-  ;CHECK: dup {{d[0-9]+}}, {{v[0-9]+}}.d[1]
+  ; CHECK-LABEL: test_vector_copy_dup_dv2D
+  ; CHECK: {{dup|mov}} {{d[0-9]+}}, {{v[0-9]+}}.d[1]
   %vget_lane = extractelement <2 x i64> %c, i32 1
   %vset_lane = insertelement <1 x i64> undef, i64 %vget_lane, i32 0
   ret <1 x i64> %vset_lane