[llvm] r194888 - Implemented aarch64 Neon scalar vmulx_lane intrinsics

Chad Rosier mcrosier at codeaurora.org
Mon Nov 18 09:05:16 PST 2013


Hi Ana,
Do we need to add diagnostics tests (i.e.,
test/MC/AArch64/neon-diagnostics.s) and/or assembler/disassember tests
(i.e., test/MC/Disassembler/AArch64/neon-instructions.txt)?

 Chad

> Author: apazos
> Date: Fri Nov 15 17:32:10 2013
> New Revision: 194888
>
> URL: http://llvm.org/viewvc/llvm-project?rev=194888&view=rev
> Log:
> Implemented aarch64 Neon scalar vmulx_lane intrinsics
> Implemented aarch64 Neon scalar vfma_lane intrinsics
> Implemented aarch64 Neon scalar vfms_lane intrinsics
>
> Implemented legacy vmul_n_f64, vmul_lane_f64, vmul_laneq_f64
> intrinsics (v1f64 parameter type) using Neon scalar instructions.
>
> Implemented legacy vfma_lane_f64, vfms_lane_f64,
> vfma_laneq_f64, vfms_laneq_f64 intrinsics (v1f64 parameter type)
> using Neon scalar instructions.
>
>
> Added:
>     llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-fma.ll
>     llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-mul.ll
> Modified:
>     llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
>     llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td
>     llvm/trunk/test/CodeGen/AArch64/neon-scalar-mul.ll
>
> Modified: llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td?rev=194888&r1=194887&r2=194888&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td (original)
> +++ llvm/trunk/include/llvm/IR/IntrinsicsAArch64.td Fri Nov 15 17:32:10
> 2013
> @@ -67,8 +67,9 @@ def int_aarch64_neon_vpmaxnm : Neon_2Arg
>  // Vector Pairwise minNum (Floating Point)
>  def int_aarch64_neon_vpminnm : Neon_2Arg_Intrinsic;
>
> -// Vector Multiply Extended (Floating Point)
> -def int_aarch64_neon_vmulx : Neon_2Arg_Intrinsic;
> +// Vector Multiply Extended and Scalar Multiply Extended (Floating Point)
> +def int_aarch64_neon_vmulx  :
> +  Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, LLVMMatchType<0>]>;
>
>  class Neon_N2V_Intrinsic
>    : Intrinsic<[llvm_anyvector_ty], [LLVMMatchType<0>, llvm_i32_ty],
>
> Modified: llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td?rev=194888&r1=194887&r2=194888&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td (original)
> +++ llvm/trunk/lib/Target/AArch64/AArch64InstrNEON.td Fri Nov 15 17:32:10
> 2013
> @@ -3653,6 +3653,8 @@ defm ST1WB4V_1D : NeonI_STWB_VList<0, 0b
>  // End of post-index vector load/store multiple N-element structure
>  // (class SIMD lselem-post)
>
> +
> +// Neon Scalar instructions implementation
>  // Scalar Three Same
>
>  class NeonI_Scalar3Same_size<bit u, bits<2> size, bits<5> opcode, string
> asmop,
> @@ -4360,8 +4362,17 @@ defm : Neon_Scalar3Same_SD_size_patterns
>
>  // Patterns to match llvm.aarch64.* intrinsic for
>  // Scalar Floating-point Multiply Extended,
> -defm : Neon_Scalar3Same_SD_size_patterns<int_aarch64_neon_vmulx,
> FMULXsss,
> -                                         FMULXddd>;
> +multiclass Neon_Scalar3Same_MULX_SD_size_patterns<SDPatternOperator
> opnode,
> +                                                  Instruction INSTS,
> +                                                  Instruction INSTD> {
> +  def : Pat<(f32 (opnode (f32 FPR32:$Rn), (f32 FPR32:$Rm))),
> +            (INSTS FPR32:$Rn, FPR32:$Rm)>;
> +  def : Pat<(f64 (opnode (f64 FPR64:$Rn), (f64 FPR64:$Rm))),
> +            (INSTD FPR64:$Rn, FPR64:$Rm)>;
> +}
> +
> +defm : Neon_Scalar3Same_MULX_SD_size_patterns<int_aarch64_neon_vmulx,
> +                                              FMULXsss,FMULXddd>;
>
>  // Scalar Integer Shift Left (Signed, Unsigned)
>  def SSHLddd : NeonI_Scalar3Same_D_size<0b0, 0b01000, "sshl">;
> @@ -4794,6 +4805,51 @@ def FMULXddv_2D : NeonI_ScalarXIndexedEl
>    let Inst{20-16} = MRm;
>  }
>
> +multiclass Neon_ScalarXIndexedElem_MUL_MULX_Patterns<
> +  SDPatternOperator opnode,
> +  Instruction INST,
> +  ValueType ResTy, RegisterClass FPRC, ValueType OpTy, Operand OpImm,
> +  ValueType OpNTy, ValueType ExTy, Operand OpNImm> {
> +
> +  def  : Pat<(ResTy (opnode (ResTy FPRC:$Rn),
> +               (ResTy (vector_extract (OpTy VPR128:$MRm), OpImm:$Imm)))),
> +             (ResTy (INST (ResTy FPRC:$Rn), (OpTy VPR128:$MRm),
> OpImm:$Imm))>;
> +
> +  def  : Pat<(ResTy (opnode (ResTy FPRC:$Rn),
> +               (ResTy (vector_extract (OpNTy VPR64:$MRm),
> OpNImm:$Imm)))),
> +             (ResTy (INST (ResTy FPRC:$Rn),
> +               (ExTy (SUBREG_TO_REG (i64 0), VPR64:$MRm, sub_64)),
> +               OpNImm:$Imm))>;
> +
> +  // swapped operands
> +  def  : Pat<(ResTy (opnode
> +               (ResTy (vector_extract (OpTy VPR128:$MRm), OpImm:$Imm)),
> +               (ResTy FPRC:$Rn))),
> +             (ResTy (INST (ResTy FPRC:$Rn), (OpTy VPR128:$MRm),
> OpImm:$Imm))>;
> +
> +  def  : Pat<(ResTy (opnode
> +               (ResTy (vector_extract (OpNTy VPR64:$MRm), OpNImm:$Imm)),
> +               (ResTy FPRC:$Rn))),
> +             (ResTy (INST (ResTy FPRC:$Rn),
> +               (ExTy (SUBREG_TO_REG (i64 0), VPR64:$MRm, sub_64)),
> +               OpNImm:$Imm))>;
> +}
> +
> +// Patterns for Scalar Floating Point  multiply (scalar, by element)
> +defm : Neon_ScalarXIndexedElem_MUL_MULX_Patterns<fmul, FMULssv_4S,
> +  f32, FPR32, v4f32, neon_uimm2_bare, v2f32, v4f32, neon_uimm1_bare>;
> +defm : Neon_ScalarXIndexedElem_MUL_MULX_Patterns<fmul, FMULddv_2D,
> +  f64, FPR64, v2f64, neon_uimm1_bare, v1f64, v2f64, neon_uimm0_bare>;
> +
> +// Patterns for Scalar Floating Point  multiply extended (scalar, by
> element)
> +defm : Neon_ScalarXIndexedElem_MUL_MULX_Patterns<int_aarch64_neon_vmulx,
> +  FMULXssv_4S, f32, FPR32, v4f32, neon_uimm2_bare,
> +  v2f32, v4f32, neon_uimm1_bare>;
> +defm : Neon_ScalarXIndexedElem_MUL_MULX_Patterns<int_aarch64_neon_vmulx,
> +  FMULXddv_2D, f64, FPR64, v2f64, neon_uimm1_bare,
> +  v1f64, v2f64, neon_uimm0_bare>;
> +
> +
>  // Scalar Floating Point fused multiply-add (scalar, by element)
>  def FMLAssv_4S : NeonI_ScalarXIndexedElemArith_Constraint_Impl<"fmla",
>    0b0001, ".s", 0b0, 0b1, 0b0, FPR32, FPR32, VPR128, neon_uimm2_bare> {
> @@ -4821,6 +4877,83 @@ def FMLSddv_2D : NeonI_ScalarXIndexedEle
>    let Inst{21} = 0b0;    // l
>    let Inst{20-16} = MRm;
>  }
> +// We are allowed to match the fma instruction regardless of compile
> options.
> +multiclass Neon_ScalarXIndexedElem_FMA_Patterns<
> +  Instruction FMLAI, Instruction FMLSI,
> +  ValueType ResTy, RegisterClass FPRC, ValueType OpTy, Operand OpImm,
> +  ValueType OpNTy, ValueType ExTy, Operand OpNImm> {
> +  // fmla
> +  def  : Pat<(ResTy (fma (ResTy FPRC:$Rn),
> +               (ResTy (vector_extract (OpTy VPR128:$MRm), OpImm:$Imm)),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLAI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn), (OpTy VPR128:$MRm), OpImm:$Imm))>;
> +
> +  def  : Pat<(ResTy (fma (ResTy FPRC:$Rn),
> +               (ResTy (vector_extract (OpNTy VPR64:$MRm), OpNImm:$Imm)),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLAI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn),
> +               (ExTy (SUBREG_TO_REG (i64 0), VPR64:$MRm, sub_64)),
> +               OpNImm:$Imm))>;
> +
> +  // swapped fmla operands
> +  def  : Pat<(ResTy (fma
> +               (ResTy (vector_extract (OpTy VPR128:$MRm), OpImm:$Imm)),
> +               (ResTy FPRC:$Rn),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLAI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn), (OpTy VPR128:$MRm), OpImm:$Imm))>;
> +
> +  def  : Pat<(ResTy (fma
> +               (ResTy (vector_extract (OpNTy VPR64:$MRm), OpNImm:$Imm)),
> +               (ResTy FPRC:$Rn),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLAI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn),
> +               (ExTy (SUBREG_TO_REG (i64 0), VPR64:$MRm, sub_64)),
> +               OpNImm:$Imm))>;
> +
> +  // fmls
> +  def  : Pat<(ResTy (fma (ResTy FPRC:$Rn),
> +               (fneg (ResTy (vector_extract (OpTy VPR128:$MRm),
> OpImm:$Imm))),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLSI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn), (OpTy VPR128:$MRm), OpImm:$Imm))>;
> +
> +  def  : Pat<(ResTy (fma (ResTy FPRC:$Rn),
> +               (fneg (ResTy (vector_extract (OpNTy VPR64:$MRm),
> OpNImm:$Imm))),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLSI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn),
> +               (ExTy (SUBREG_TO_REG (i64 0), VPR64:$MRm, sub_64)),
> +               OpNImm:$Imm))>;
> +
> +  // swapped fmls operands
> +  def  : Pat<(ResTy (fma
> +               (fneg (ResTy (vector_extract (OpTy VPR128:$MRm),
> OpImm:$Imm))),
> +               (ResTy FPRC:$Rn),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLSI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn), (OpTy VPR128:$MRm), OpImm:$Imm))>;
> +
> +  def  : Pat<(ResTy (fma
> +               (fneg (ResTy (vector_extract (OpNTy VPR64:$MRm),
> OpNImm:$Imm))),
> +               (ResTy FPRC:$Rn),
> +               (ResTy FPRC:$Ra))),
> +             (ResTy (FMLSI (ResTy FPRC:$Ra),
> +               (ResTy FPRC:$Rn),
> +               (ExTy (SUBREG_TO_REG (i64 0), VPR64:$MRm, sub_64)),
> +               OpNImm:$Imm))>;
> +}
> +
> +// Scalar Floating Point fused multiply-add and multiply-subtract
> (scalar, by element)
> +defm : Neon_ScalarXIndexedElem_FMA_Patterns<FMLAssv_4S, FMLSssv_4S,
> +  f32, FPR32, v4f32, neon_uimm2_bare, v2f32, v4f32, neon_uimm1_bare>;
> +defm : Neon_ScalarXIndexedElem_FMA_Patterns<FMLAddv_2D, FMLSddv_2D,
> +  f64, FPR64, v2f64, neon_uimm1_bare, v1f64, v2f64, neon_uimm0_bare>;
> +defm : Neon_ScalarXIndexedElem_FMA_Patterns<FMLAddv_2D, FMLSddv_2D,
> +  f64, FPR64, v2f64, neon_uimm1_bare, v1f64, v2f64, neon_uimm0_bare>;
>
>  // Scalar Signed saturating doubling multiply-add long (scalar, by
> element)
>  def SQDMLALshv_4H :
> NeonI_ScalarXIndexedElemArith_Constraint_Impl<"sqdmlal",
> @@ -4990,6 +5123,40 @@ def DUPdv_D : NeonI_Scalar_DUP<"dup", "d
>    let Inst{20-16} = {Imm, 0b1, 0b0, 0b0, 0b0};
>  }
>
> +multiclass NeonI_Scalar_DUP_Elt_pattern<Instruction DUPI, ValueType
> ResTy,
> +  ValueType OpTy, Operand OpImm,
> +  ValueType OpNTy, ValueType ExTy, Operand OpNImm> {
> +
> +  def  : Pat<(ResTy (vector_extract (OpTy VPR128:$Rn), OpImm:$Imm)),
> +             (ResTy (DUPI (OpTy VPR128:$Rn), OpImm:$Imm))>;
> +
> +  def : Pat<(ResTy (vector_extract (OpNTy VPR64:$Rn), OpNImm:$Imm)),
> +            (ResTy (DUPI
> +              (ExTy (SUBREG_TO_REG (i64 0), VPR64:$Rn, sub_64)),
> +                OpNImm:$Imm))>;
> +}
> +
> +// Patterns  for vector extract of FP data using scalar DUP instructions
> +defm : NeonI_Scalar_DUP_Elt_pattern<DUPsv_S, f32,
> +  v4f32, neon_uimm2_bare, v2f32, v4f32, neon_uimm1_bare>;
> +defm : NeonI_Scalar_DUP_Elt_pattern<DUPdv_D, f64,
> +  v2f64, neon_uimm1_bare, v1f64, v2f64, neon_uimm0_bare>;
> +
> +multiclass NeonI_Scalar_DUP_alias<string asmop, string asmlane,
> +                                  Instruction DUPI, Operand OpImm,
> +                                  RegisterClass ResRC> {
> +  def : NeonInstAlias<!strconcat(asmop, "$Rd, $Rn." # asmlane #
> "[$Imm]"),
> +          (DUPI ResRC:$Rd, VPR128:$Rn, OpImm:$Imm), 0b0>;
> +}
> +
> +// Aliases for Scalar copy - DUP element (scalar)
> +// FIXME: This is actually the preferred syntax but TableGen can't deal
> with
> +// custom printing of aliases.
> +defm : NeonI_Scalar_DUP_alias<"mov", ".b", DUPbv_B, neon_uimm4_bare,
> FPR8>;
> +defm : NeonI_Scalar_DUP_alias<"mov", ".h", DUPhv_H, neon_uimm3_bare,
> FPR16>;
> +defm : NeonI_Scalar_DUP_alias<"mov", ".s", DUPsv_S, neon_uimm2_bare,
> FPR32>;
> +defm : NeonI_Scalar_DUP_alias<"mov", ".d", DUPdv_D, neon_uimm1_bare,
> FPR64>;
> +
>
>  //===----------------------------------------------------------------------===//
>  // Non-Instruction Patterns
>
> Added: llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-fma.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-fma.ll?rev=194888&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-fma.ll (added)
> +++ llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-fma.ll Fri Nov 15
> 17:32:10 2013
> @@ -0,0 +1,108 @@
> +; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu
> -mattr=+neon -fp-contract=fast | FileCheck %s
> +
> +declare float @llvm.fma.f32(float, float, float)
> +declare double @llvm.fma.f64(double, double, double)
> +
> +define float @test_fmla_ss4S(float %a, float %b, <4 x float> %v) {
> +  ; CHECK: test_fmla_ss4S
> +  ; CHECK: fmla {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = call float @llvm.fma.f32(float %b, float %tmp1, float %a)
> +  ret float %tmp2
> +}
> +
> +define float @test_fmla_ss4S_swap(float %a, float %b, <4 x float> %v) {
> +  ; CHECK: test_fmla_ss4S_swap
> +  ; CHECK: fmla {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = call float @llvm.fma.f32(float %tmp1, float %a, float %a)
> +  ret float %tmp2
> +}
> +
> +define float @test_fmla_ss2S(float %a, float %b, <2 x float> %v) {
> +  ; CHECK: test_fmla_ss2S
> +  ; CHECK: fmla {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-31]+}}.s[1]
> +  %tmp1 = extractelement <2 x float> %v, i32 1
> +  %tmp2 = call float @llvm.fma.f32(float %b, float %tmp1, float %a)
> +  ret float %tmp2
> +}
> +
> +define double @test_fmla_ddD(double %a, double %b, <1 x double> %v) {
> +  ; CHECK: test_fmla_ddD
> +  ; CHECK: fmla {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-31]+}}.d[0]
> +  %tmp1 = extractelement <1 x double> %v, i32 0
> +  %tmp2 = call double @llvm.fma.f64(double %b, double %tmp1, double %a)
> +  ret double %tmp2
> +}
> +
> +define double @test_fmla_dd2D(double %a, double %b, <2 x double> %v) {
> +  ; CHECK: test_fmla_dd2D
> +  ; CHECK: fmla {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = call double @llvm.fma.f64(double %b, double %tmp1, double %a)
> +  ret double %tmp2
> +}
> +
> +define double @test_fmla_dd2D_swap(double %a, double %b, <2 x double> %v)
> {
> +  ; CHECK: test_fmla_dd2D_swap
> +  ; CHECK: fmla {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = call double @llvm.fma.f64(double %tmp1, double %b, double %a)
> +  ret double %tmp2
> +}
> +
> +define float @test_fmls_ss4S(float %a, float %b, <4 x float> %v) {
> +  ; CHECK: test_fmls_ss4S
> +  ; CHECK: fmls {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = fsub float -0.0, %tmp1
> +  %tmp3 = call float @llvm.fma.f32(float %tmp2, float %tmp1, float %a)
> +  ret float %tmp3
> +}
> +
> +define float @test_fmls_ss4S_swap(float %a, float %b, <4 x float> %v) {
> +  ; CHECK: test_fmls_ss4S_swap
> +  ; CHECK: fmls {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = fsub float -0.0, %tmp1
> +  %tmp3 = call float @llvm.fma.f32(float %tmp1, float %tmp2, float %a)
> +  ret float %tmp3
> +}
> +
> +
> +define float @test_fmls_ss2S(float %a, float %b, <2 x float> %v) {
> +  ; CHECK: test_fmls_ss2S
> +  ; CHECK: fmls {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-31]+}}.s[1]
> +  %tmp1 = extractelement <2 x float> %v, i32 1
> +  %tmp2 = fsub float -0.0, %tmp1
> +  %tmp3 = call float @llvm.fma.f32(float %tmp2, float %tmp1, float %a)
> +  ret float %tmp3
> +}
> +
> +define double @test_fmls_ddD(double %a, double %b, <1 x double> %v) {
> +  ; CHECK: test_fmls_ddD
> +  ; CHECK: fmls {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-31]+}}.d[0]
> +  %tmp1 = extractelement <1 x double> %v, i32 0
> +  %tmp2 = fsub double -0.0, %tmp1
> +  %tmp3 = call double @llvm.fma.f64(double %tmp2, double %tmp1, double
> %a)
> +  ret double %tmp3
> +}
> +
> +define double @test_fmls_dd2D(double %a, double %b, <2 x double> %v) {
> +  ; CHECK: test_fmls_dd2D
> +  ; CHECK: fmls {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = fsub double -0.0, %tmp1
> +  %tmp3 = call double @llvm.fma.f64(double %tmp2, double %tmp1, double
> %a)
> +  ret double %tmp3
> +}
> +
> +define double @test_fmls_dd2D_swap(double %a, double %b, <2 x double> %v)
> {
> +  ; CHECK: test_fmls_dd2D_swap
> +  ; CHECK: fmls {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = fsub double -0.0, %tmp1
> +  %tmp3 = call double @llvm.fma.f64(double %tmp1, double %tmp2, double
> %a)
> +  ret double %tmp3
> +}
> +
>
> Added: llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-mul.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-mul.ll?rev=194888&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-mul.ll (added)
> +++ llvm/trunk/test/CodeGen/AArch64/neon-scalar-by-elem-mul.ll Fri Nov 15
> 17:32:10 2013
> @@ -0,0 +1,124 @@
> +; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu
> -mattr=+neon -fp-contract=fast | FileCheck %s
> +
> +define float @test_fmul_lane_ss2S(float %a, <2 x float> %v) {
> +  ; CHECK: test_fmul_lane_ss2S
> +  ; CHECK: fmul {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[1]
> +  %tmp1 = extractelement <2 x float> %v, i32 1
> +  %tmp2 = fmul float %a, %tmp1;
> +  ret float %tmp2;
> +}
> +
> +define float @test_fmul_lane_ss2S_swap(float %a, <2 x float> %v) {
> +  ; CHECK: test_fmul_lane_ss2S_swap
> +  ; CHECK: fmul {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[1]
> +  %tmp1 = extractelement <2 x float> %v, i32 1
> +  %tmp2 = fmul float %tmp1, %a;
> +  ret float %tmp2;
> +}
> +
> +
> +define float @test_fmul_lane_ss4S(float %a, <4 x float> %v) {
> +  ; CHECK: test_fmul_lane_ss4S
> +  ; CHECK: fmul {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = fmul float %a, %tmp1;
> +  ret float %tmp2;
> +}
> +
> +define float @test_fmul_lane_ss4S_swap(float %a, <4 x float> %v) {
> +  ; CHECK: test_fmul_lane_ss4S_swap
> +  ; CHECK: fmul {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = fmul float %tmp1, %a;
> +  ret float %tmp2;
> +}
> +
> +
> +define double @test_fmul_lane_ddD(double %a, <1 x double> %v) {
> +  ; CHECK: test_fmul_lane_ddD
> +  ; CHECK: fmul {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[0]
> +  %tmp1 = extractelement <1 x double> %v, i32 0
> +  %tmp2 = fmul double %a, %tmp1;
> +  ret double %tmp2;
> +}
> +
> +
> +
> +define double @test_fmul_lane_dd2D(double %a, <2 x double> %v) {
> +  ; CHECK: test_fmul_lane_dd2D
> +  ; CHECK: fmul {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = fmul double %a, %tmp1;
> +  ret double %tmp2;
> +}
> +
> +
> +define double @test_fmul_lane_dd2D_swap(double %a, <2 x double> %v) {
> +  ; CHECK: test_fmul_lane_dd2D_swap
> +  ; CHECK: fmul {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = fmul double %tmp1, %a;
> +  ret double %tmp2;
> +}
> +
> +declare float @llvm.aarch64.neon.vmulx.f32(float, float)
> +
> +define float @test_fmulx_lane_f32(float %a, <2 x float> %v) {
> +  ; CHECK: test_fmulx_lane_f32
> +  ; CHECK: fmulx {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[1]
> +  %tmp1 = extractelement <2 x float> %v, i32 1
> +  %tmp2 = call float @llvm.aarch64.neon.vmulx.f32(float %a, float %tmp1)
> +  ret float %tmp2;
> +}
> +
> +define float @test_fmulx_laneq_f32(float %a, <4 x float> %v) {
> +  ; CHECK: test_fmulx_laneq_f32
> +  ; CHECK: fmulx {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = call float @llvm.aarch64.neon.vmulx.f32(float %a, float %tmp1)
> +  ret float %tmp2;
> +}
> +
> +define float @test_fmulx_laneq_f32_swap(float %a, <4 x float> %v) {
> +  ; CHECK: test_fmulx_laneq_f32_swap
> +  ; CHECK: fmulx {{s[0-31]+}}, {{s[0-31]+}}, {{v[0-31]+}}.s[3]
> +  %tmp1 = extractelement <4 x float> %v, i32 3
> +  %tmp2 = call float @llvm.aarch64.neon.vmulx.f32(float %tmp1, float %a)
> +  ret float %tmp2;
> +}
> +
> +declare double @llvm.aarch64.neon.vmulx.f64(double, double)
> +
> +define double @test_fmulx_lane_f64(double %a, <1 x double> %v) {
> +  ; CHECK: test_fmulx_lane_f64
> +  ; CHECK: fmulx {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[0]
> +  %tmp1 = extractelement <1 x double> %v, i32 0
> +  %tmp2 = call double @llvm.aarch64.neon.vmulx.f64(double %a, double
> %tmp1)
> +  ret double %tmp2;
> +}
> +
> +define double @test_fmulx_laneq_f64_0(double %a, <2 x double> %v) {
> +  ; CHECK: test_fmulx_laneq_f64_0
> +  ; CHECK: fmulx {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[0]
> +  %tmp1 = extractelement <2 x double> %v, i32 0
> +  %tmp2 = call double @llvm.aarch64.neon.vmulx.f64(double %a, double
> %tmp1)
> +  ret double %tmp2;
> +}
> +
> +
> +define double @test_fmulx_laneq_f64_1(double %a, <2 x double> %v) {
> +  ; CHECK: test_fmulx_laneq_f64_1
> +  ; CHECK: fmulx {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = call double @llvm.aarch64.neon.vmulx.f64(double %a, double
> %tmp1)
> +  ret double %tmp2;
> +}
> +
> +define double @test_fmulx_laneq_f64_1_swap(double %a, <2 x double> %v) {
> +  ; CHECK: test_fmulx_laneq_f64_1_swap
> +  ; CHECK: fmulx {{d[0-31]+}}, {{d[0-31]+}}, {{v[0-31]+}}.d[1]
> +  %tmp1 = extractelement <2 x double> %v, i32 1
> +  %tmp2 = call double @llvm.aarch64.neon.vmulx.f64(double %tmp1, double
> %a)
> +  ret double %tmp2;
> +}
> +
>
> Modified: llvm/trunk/test/CodeGen/AArch64/neon-scalar-mul.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/neon-scalar-mul.ll?rev=194888&r1=194887&r2=194888&view=diff
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/neon-scalar-mul.ll (original)
> +++ llvm/trunk/test/CodeGen/AArch64/neon-scalar-mul.ll Fri Nov 15 17:32:10
> 2013
> @@ -49,25 +49,19 @@ declare <1 x i32> @llvm.arm.neon.vqrdmul
>  define float @test_vmulxs_f32(float %a, float %b) {
>  ; CHECK: test_vmulxs_f32
>  ; CHECK: fmulx {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
> -  %1 = insertelement <1 x float> undef, float %a, i32 0
> -  %2 = insertelement <1 x float> undef, float %b, i32 0
> -  %3 = call <1 x float> @llvm.aarch64.neon.vmulx.v1f32(<1 x float> %1, <1
> x float> %2)
> -  %4 = extractelement <1 x float> %3, i32 0
> -  ret float %4
> +  %1 = call float @llvm.aarch64.neon.vmulx.f32(float %a, float %b)
> +  ret float %1
>  }
>
>  define double @test_vmulxd_f64(double %a, double %b) {
>  ; CHECK: test_vmulxd_f64
>  ; CHECK: fmulx {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
> -  %1 = insertelement <1 x double> undef, double %a, i32 0
> -  %2 = insertelement <1 x double> undef, double %b, i32 0
> -  %3 = call <1 x double> @llvm.aarch64.neon.vmulx.v1f64(<1 x double> %1,
> <1 x double> %2)
> -  %4 = extractelement <1 x double> %3, i32 0
> -  ret double %4
> +  %1 = call double @llvm.aarch64.neon.vmulx.f64(double %a, double %b)
> +  ret double %1
>  }
>
> -declare <1 x float> @llvm.aarch64.neon.vmulx.v1f32(<1 x float>, <1 x
> float>)
> -declare <1 x double> @llvm.aarch64.neon.vmulx.v1f64(<1 x double>, <1 x
> double>)
> +declare float @llvm.aarch64.neon.vmulx.f32(float, float)
> +declare double @llvm.aarch64.neon.vmulx.f64(double, double)
>
>  define i32 @test_vqdmlalh_s16(i32 %a, i16 %b, i16 %c) {
>  ; CHECK: test_vqdmlalh_s16
>
>
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