diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index 70d5ad7d660f1..4752cd1bbd95f 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -1560,6 +1560,7 @@ AArch64TargetLowering::AArch64TargetLowering(const TargetMachine &TM, setOperationAction(ISD::VECREDUCE_ADD, VT, Custom); setOperationAction(ISD::VECREDUCE_AND, VT, Custom); setOperationAction(ISD::VECREDUCE_OR, VT, Custom); + setOperationAction(ISD::VECREDUCE_MUL, VT, Custom); setOperationAction(ISD::VECREDUCE_XOR, VT, Custom); setOperationAction(ISD::VECREDUCE_UMIN, VT, Custom); setOperationAction(ISD::VECREDUCE_UMAX, VT, Custom); @@ -1716,6 +1717,7 @@ AArch64TargetLowering::AArch64TargetLowering(const TargetMachine &TM, setOperationAction(ISD::VECREDUCE_FMIN, VT, Custom); setOperationAction(ISD::VECREDUCE_FMAXIMUM, VT, Custom); setOperationAction(ISD::VECREDUCE_FMINIMUM, VT, Custom); + setOperationAction(ISD::VECREDUCE_FMUL, VT, Custom); setOperationAction(ISD::VECTOR_SPLICE, VT, Custom); setOperationAction(ISD::VECTOR_DEINTERLEAVE, VT, Custom); setOperationAction(ISD::VECTOR_INTERLEAVE, VT, Custom); @@ -7774,6 +7776,9 @@ SDValue AArch64TargetLowering::LowerOperation(SDValue Op, case ISD::VECREDUCE_FMAXIMUM: case ISD::VECREDUCE_FMINIMUM: return LowerVECREDUCE(Op, DAG); + case ISD::VECREDUCE_MUL: + case ISD::VECREDUCE_FMUL: + return LowerVECREDUCE_MUL(Op, DAG); case ISD::ATOMIC_LOAD_AND: return LowerATOMIC_LOAD_AND(Op, DAG); case ISD::DYNAMIC_STACKALLOC: @@ -16790,6 +16795,33 @@ SDValue AArch64TargetLowering::LowerVECREDUCE(SDValue Op, } } +SDValue AArch64TargetLowering::LowerVECREDUCE_MUL(SDValue Op, + SelectionDAG &DAG) const { + SDLoc DL(Op); + SDValue Src = Op.getOperand(0); + EVT SrcVT = Src.getValueType(); + assert(SrcVT.isScalableVector() && "Unexpected operand type!"); + + SDVTList SrcVTs = DAG.getVTList(SrcVT, SrcVT); + unsigned BaseOpc = ISD::getVecReduceBaseOpcode(Op.getOpcode()); + SDValue Identity = DAG.getNeutralElement(BaseOpc, DL, SrcVT, Op->getFlags()); + + // Whilst we don't know the size of the vector we do know the maximum size so + // can perform a tree reduction with an identity vector, which means once we + // arrive at the result the remaining stages (when the vector is smaller than + // the maximum) have no affect. + + unsigned Segments = AArch64::SVEMaxBitsPerVector / AArch64::SVEBitsPerBlock; + unsigned Stages = llvm::Log2_32(Segments * SrcVT.getVectorMinNumElements()); + + for (unsigned I = 0; I < Stages; ++I) { + Src = DAG.getNode(ISD::VECTOR_DEINTERLEAVE, DL, SrcVTs, Src, Identity); + Src = DAG.getNode(BaseOpc, DL, SrcVT, Src.getValue(0), Src.getValue(1)); + } + + return DAG.getExtractVectorElt(DL, Op.getValueType(), Src, 0); +} + SDValue AArch64TargetLowering::LowerATOMIC_LOAD_AND(SDValue Op, SelectionDAG &DAG) const { auto &Subtarget = DAG.getSubtarget(); diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.h b/llvm/lib/Target/AArch64/AArch64ISelLowering.h index e472e7d565d9b..bbf7a383602ff 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.h +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.h @@ -753,6 +753,7 @@ class AArch64TargetLowering : public TargetLowering { SDValue LowerVSCALE(SDValue Op, SelectionDAG &DAG) const; SDValue LowerTRUNCATE(SDValue Op, SelectionDAG &DAG) const; SDValue LowerVECREDUCE(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerVECREDUCE_MUL(SDValue Op, SelectionDAG &DAG) const; SDValue LowerATOMIC_LOAD_AND(SDValue Op, SelectionDAG &DAG) const; SDValue LowerWindowsDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const; SDValue LowerInlineDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const; diff --git a/llvm/test/CodeGen/AArch64/sve-fp-reduce.ll b/llvm/test/CodeGen/AArch64/sve-fp-reduce.ll index 15ee6a02a1639..36655f6b781b9 100644 --- a/llvm/test/CodeGen/AArch64/sve-fp-reduce.ll +++ b/llvm/test/CodeGen/AArch64/sve-fp-reduce.ll @@ -359,12 +359,177 @@ define float @fadd_reduct_reassoc_v4v8f32( %a, %a) { +; CHECK-LABEL: fmulv_nxv2f16: +; CHECK: // %bb.0: +; CHECK-NEXT: fmov z2.h, #1.00000000 +; CHECK-NEXT: ptrue p0.d +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: fmul h0, h0, h1 +; CHECK-NEXT: ret + %res = call fast half @llvm.vector.reduce.fmul.nxv2f16(half %init, %a) + ret half %res +} + +define half @fmulv_nxv4f16(half %init, %a) { +; CHECK-LABEL: fmulv_nxv4f16: +; CHECK: // %bb.0: +; CHECK-NEXT: fmov z2.h, #1.00000000 +; CHECK-NEXT: ptrue p0.s +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.h, p0/m, z1.h, z3.h +; CHECK-NEXT: fmul h0, h0, h1 +; CHECK-NEXT: ret + %res = call fast half @llvm.vector.reduce.fmul.nxv4f16(half %init, %a) + ret half %res +} + +define half @fmulv_nxv8f16(half %init, %a) { +; CHECK-LABEL: fmulv_nxv8f16: +; CHECK: // %bb.0: +; CHECK-NEXT: fmov z2.h, #1.00000000 +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: uzp2 z3.h, z1.h, z2.h +; CHECK-NEXT: uzp1 z1.h, z1.h, z2.h +; CHECK-NEXT: fmul z1.h, z1.h, z3.h +; CHECK-NEXT: fmul h0, h0, h1 +; CHECK-NEXT: ret + %res = call fast half @llvm.vector.reduce.fmul.nxv8f16(half %init, %a) + ret half %res +} + +define float @fmulv_nxv2f32(float %init, %a) { +; CHECK-LABEL: fmulv_nxv2f32: +; CHECK: // %bb.0: +; CHECK-NEXT: fmov z2.s, #1.00000000 +; CHECK-NEXT: ptrue p0.d +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.s, p0/m, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.s, p0/m, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.s, p0/m, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.s, p0/m, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.s, p0/m, z1.s, z3.s +; CHECK-NEXT: fmul s0, s0, s1 +; CHECK-NEXT: ret + %res = call fast float @llvm.vector.reduce.fmul.nxv2f32(float %init, %a) + ret float %res +} + +define float @fmulv_nxv4f32(float %init, %a) { +; CHECK-LABEL: fmulv_nxv4f32: +; CHECK: // %bb.0: +; CHECK-NEXT: fmov z2.s, #1.00000000 +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.s, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.s, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.s, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.s, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.s, z1.s, z3.s +; CHECK-NEXT: uzp2 z3.s, z1.s, z2.s +; CHECK-NEXT: uzp1 z1.s, z1.s, z2.s +; CHECK-NEXT: fmul z1.s, z1.s, z3.s +; CHECK-NEXT: fmul s0, s0, s1 +; CHECK-NEXT: ret + %res = call fast float @llvm.vector.reduce.fmul.nxv4f32(float %init, %a) + ret float %res +} + +define double @fmulv_nxv2f64(double %init, %a) { +; CHECK-LABEL: fmulv_nxv2f64: +; CHECK: // %bb.0: +; CHECK-NEXT: fmov z2.d, #1.00000000 +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.d, z1.d, z3.d +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.d, z1.d, z3.d +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.d, z1.d, z3.d +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.d, z1.d, z3.d +; CHECK-NEXT: uzp2 z3.d, z1.d, z2.d +; CHECK-NEXT: uzp1 z1.d, z1.d, z2.d +; CHECK-NEXT: fmul z1.d, z1.d, z3.d +; CHECK-NEXT: fmul d0, d0, d1 +; CHECK-NEXT: ret + %res = call fast double @llvm.vector.reduce.fmul.nxv2f64(double %init, %a) + ret double %res +} + declare half @llvm.vector.reduce.fadd.nxv2f16(half, ) declare half @llvm.vector.reduce.fadd.nxv4f16(half, ) declare half @llvm.vector.reduce.fadd.nxv8f16(half, ) -declare half @llvm.vector.reduce.fadd.nxv6f16(half, ) -declare half @llvm.vector.reduce.fadd.nxv10f16(half, ) -declare half @llvm.vector.reduce.fadd.nxv12f16(half, ) declare float @llvm.vector.reduce.fadd.nxv2f32(float, ) declare float @llvm.vector.reduce.fadd.nxv4f32(float, ) declare float @llvm.vector.reduce.fadd.nxv8f32(float, ) @@ -397,3 +562,10 @@ declare half @llvm.vector.reduce.fminimum.nxv8f16() declare float @llvm.vector.reduce.fminimum.nxv2f32() declare float @llvm.vector.reduce.fminimum.nxv4f32() declare double @llvm.vector.reduce.fminimum.nxv2f64() + +declare half @llvm.vector.reduce.fmul.nxv2f16(half, ) +declare half @llvm.vector.reduce.fmul.nxv4f16(half, ) +declare half @llvm.vector.reduce.fmul.nxv8f16(half, ) +declare float @llvm.vector.reduce.fmul.nxv2f32(float, ) +declare float @llvm.vector.reduce.fmul.nxv4f32(float, ) +declare double @llvm.vector.reduce.fmul.nxv2f64(double, ) diff --git a/llvm/test/CodeGen/AArch64/sve-int-reduce.ll b/llvm/test/CodeGen/AArch64/sve-int-reduce.ll index be936f0fd6d4a..6fb0315e27fb5 100644 --- a/llvm/test/CodeGen/AArch64/sve-int-reduce.ll +++ b/llvm/test/CodeGen/AArch64/sve-int-reduce.ll @@ -369,6 +369,131 @@ define i64 @smax_nxv2i64( %a) { ret i64 %res } +; No MULV instruction so use knowledge about the architectural maximum size of +; an SVE register to "scalarise" the reduction. + +define i8 @mulv_nxv16i8( %a) { +; CHECK-LABEL: mulv_nxv16i8: +; CHECK: // %bb.0: +; CHECK-NEXT: mov z1.b, #1 // =0x1 +; CHECK-NEXT: ptrue p0.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: uzp2 z2.b, z0.b, z1.b +; CHECK-NEXT: uzp1 z0.b, z0.b, z1.b +; CHECK-NEXT: mul z0.b, p0/m, z0.b, z2.b +; CHECK-NEXT: fmov w0, s0 +; CHECK-NEXT: ret + %res = call i8 @llvm.vector.reduce.mul.nxv16i8( %a) + ret i8 %res +} + +define i16 @mulv_nxv8i16( %a) { +; CHECK-LABEL: mulv_nxv8i16: +; CHECK: // %bb.0: +; CHECK-NEXT: mov z1.h, #1 // =0x1 +; CHECK-NEXT: ptrue p0.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: uzp2 z2.h, z0.h, z1.h +; CHECK-NEXT: uzp1 z0.h, z0.h, z1.h +; CHECK-NEXT: mul z0.h, p0/m, z0.h, z2.h +; CHECK-NEXT: fmov w0, s0 +; CHECK-NEXT: ret + %res = call i16 @llvm.vector.reduce.mul.nxv8i16( %a) + ret i16 %res +} + +define i32 @mulv_nxv4i32( %a) { +; CHECK-LABEL: mulv_nxv4i32: +; CHECK: // %bb.0: +; CHECK-NEXT: mov z1.s, #1 // =0x1 +; CHECK-NEXT: ptrue p0.s +; CHECK-NEXT: uzp2 z2.s, z0.s, z1.s +; CHECK-NEXT: uzp1 z0.s, z0.s, z1.s +; CHECK-NEXT: mul z0.s, p0/m, z0.s, z2.s +; CHECK-NEXT: uzp2 z2.s, z0.s, z1.s +; CHECK-NEXT: uzp1 z0.s, z0.s, z1.s +; CHECK-NEXT: mul z0.s, p0/m, z0.s, z2.s +; CHECK-NEXT: uzp2 z2.s, z0.s, z1.s +; CHECK-NEXT: uzp1 z0.s, z0.s, z1.s +; CHECK-NEXT: mul z0.s, p0/m, z0.s, z2.s +; CHECK-NEXT: uzp2 z2.s, z0.s, z1.s +; CHECK-NEXT: uzp1 z0.s, z0.s, z1.s +; CHECK-NEXT: mul z0.s, p0/m, z0.s, z2.s +; CHECK-NEXT: uzp2 z2.s, z0.s, z1.s +; CHECK-NEXT: uzp1 z0.s, z0.s, z1.s +; CHECK-NEXT: mul z0.s, p0/m, z0.s, z2.s +; CHECK-NEXT: uzp2 z2.s, z0.s, z1.s +; CHECK-NEXT: uzp1 z0.s, z0.s, z1.s +; CHECK-NEXT: mul z0.s, p0/m, z0.s, z2.s +; CHECK-NEXT: fmov w0, s0 +; CHECK-NEXT: ret + %res = call i32 @llvm.vector.reduce.mul.nxv4i32( %a) + ret i32 %res +} + +define i64 @mulv_nxv2i64( %a) { +; CHECK-LABEL: mulv_nxv2i64: +; CHECK: // %bb.0: +; CHECK-NEXT: mov z1.d, #1 // =0x1 +; CHECK-NEXT: ptrue p0.d +; CHECK-NEXT: uzp2 z2.d, z0.d, z1.d +; CHECK-NEXT: uzp1 z0.d, z0.d, z1.d +; CHECK-NEXT: mul z0.d, p0/m, z0.d, z2.d +; CHECK-NEXT: uzp2 z2.d, z0.d, z1.d +; CHECK-NEXT: uzp1 z0.d, z0.d, z1.d +; CHECK-NEXT: mul z0.d, p0/m, z0.d, z2.d +; CHECK-NEXT: uzp2 z2.d, z0.d, z1.d +; CHECK-NEXT: uzp1 z0.d, z0.d, z1.d +; CHECK-NEXT: mul z0.d, p0/m, z0.d, z2.d +; CHECK-NEXT: uzp2 z2.d, z0.d, z1.d +; CHECK-NEXT: uzp1 z0.d, z0.d, z1.d +; CHECK-NEXT: mul z0.d, p0/m, z0.d, z2.d +; CHECK-NEXT: uzp2 z2.d, z0.d, z1.d +; CHECK-NEXT: uzp1 z0.d, z0.d, z1.d +; CHECK-NEXT: mul z0.d, p0/m, z0.d, z2.d +; CHECK-NEXT: fmov x0, d0 +; CHECK-NEXT: ret + %res = call i64 @llvm.vector.reduce.mul.nxv2i64( %a) + ret i64 %res +} + ; Test widen vector reduce type declare i8 @llvm.vector.reduce.smin.nxv10i8()