[llvm] febeaf9 - [llvm][SVE] IR intrinsic for LD1RO.

Francesco Petrogalli via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 3 06:58:05 PDT 2020


Author: Francesco Petrogalli
Date: 2020-06-03T13:57:16Z
New Revision: febeaf94a806e53baa0f2e72fb0b386871b5089c

URL: https://github.com/llvm/llvm-project/commit/febeaf94a806e53baa0f2e72fb0b386871b5089c
DIFF: https://github.com/llvm/llvm-project/commit/febeaf94a806e53baa0f2e72fb0b386871b5089c.diff

LOG: [llvm][SVE] IR intrinsic for LD1RO.

Reviewers: sdesmalen, efriedma

Subscribers: tschuett, hiraditya, rkruppe, psnobl, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D80738

Added: 
    llvm/test/CodeGen/AArch64/sve-intrinsics-ld1ro.ll

Modified: 
    llvm/include/llvm/IR/IntrinsicsAArch64.td
    llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    llvm/lib/Target/AArch64/AArch64ISelLowering.h
    llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    llvm/lib/Target/AArch64/SVEInstrFormats.td

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/IR/IntrinsicsAArch64.td b/llvm/include/llvm/IR/IntrinsicsAArch64.td
index d00456123f51..6065a8c36c24 100644
--- a/llvm/include/llvm/IR/IntrinsicsAArch64.td
+++ b/llvm/include/llvm/IR/IntrinsicsAArch64.td
@@ -1311,6 +1311,7 @@ def int_aarch64_sve_ldnf1 : AdvSIMD_1Vec_PredLoad_Intrinsic;
 def int_aarch64_sve_ldff1 : AdvSIMD_1Vec_PredLoad_Intrinsic;
 
 def int_aarch64_sve_ld1rq : AdvSIMD_1Vec_PredLoad_Intrinsic;
+def int_aarch64_sve_ld1ro : AdvSIMD_1Vec_PredLoad_Intrinsic;
 
 //
 // Stores

diff  --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index e9698c0b4f3f..0c2effa1eb76 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -1463,6 +1463,7 @@ const char *AArch64TargetLowering::getTargetNodeName(unsigned Opcode) const {
   case AArch64ISD::LDFF1:             return "AArch64ISD::LDFF1";
   case AArch64ISD::LDFF1S:            return "AArch64ISD::LDFF1S";
   case AArch64ISD::LD1RQ:             return "AArch64ISD::LD1RQ";
+  case AArch64ISD::LD1RO:             return "AArch64ISD::LD1RO";
   case AArch64ISD::GLD1:              return "AArch64ISD::GLD1";
   case AArch64ISD::GLD1_SCALED:       return "AArch64ISD::GLD1_SCALED";
   case AArch64ISD::GLD1_SXTW:         return "AArch64ISD::GLD1_SXTW";
@@ -11885,7 +11886,10 @@ static SDValue performLDNT1Combine(SDNode *N, SelectionDAG &DAG) {
   return L;
 }
 
-static SDValue performLD1RQCombine(SDNode *N, SelectionDAG &DAG) {
+template <unsigned Opcode>
+static SDValue performLD1ReplicateCombine(SDNode *N, SelectionDAG &DAG) {
+  static_assert(Opcode == AArch64ISD::LD1RQ || Opcode == AArch64ISD::LD1RO,
+                "Unsupported opcode.");
   SDLoc DL(N);
   EVT VT = N->getValueType(0);
 
@@ -11894,13 +11898,13 @@ static SDValue performLD1RQCombine(SDNode *N, SelectionDAG &DAG) {
     LoadVT = VT.changeTypeToInteger();
 
   SDValue Ops[] = {N->getOperand(0), N->getOperand(2), N->getOperand(3)};
-  SDValue Load = DAG.getNode(AArch64ISD::LD1RQ, DL, {LoadVT, MVT::Other}, Ops);
+  SDValue Load = DAG.getNode(Opcode, DL, {LoadVT, MVT::Other}, Ops);
   SDValue LoadChain = SDValue(Load.getNode(), 1);
 
   if (VT.isFloatingPoint())
     Load = DAG.getNode(ISD::BITCAST, DL, VT, Load.getValue(0));
 
-  return DAG.getMergeValues({ Load, LoadChain }, DL);
+  return DAG.getMergeValues({Load, LoadChain}, DL);
 }
 
 static SDValue performST1Combine(SDNode *N, SelectionDAG &DAG) {
@@ -13493,7 +13497,9 @@ SDValue AArch64TargetLowering::PerformDAGCombine(SDNode *N,
     case Intrinsic::aarch64_sve_ldnt1:
       return performLDNT1Combine(N, DAG);
     case Intrinsic::aarch64_sve_ld1rq:
-      return performLD1RQCombine(N, DAG);
+      return performLD1ReplicateCombine<AArch64ISD::LD1RQ>(N, DAG);
+    case Intrinsic::aarch64_sve_ld1ro:
+      return performLD1ReplicateCombine<AArch64ISD::LD1RO>(N, DAG);
     case Intrinsic::aarch64_sve_ldnt1_gather_scalar_offset:
       return performGatherLoadCombine(N, DAG, AArch64ISD::GLDNT1);
     case Intrinsic::aarch64_sve_ldnt1_gather:

diff  --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.h b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
index 2ae86b665761..81af7e2235a2 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
@@ -253,6 +253,7 @@ enum NodeType : unsigned {
   LDFF1,
   LDFF1S,
   LD1RQ,
+  LD1RO,
 
   // Unsigned gather loads.
   GLD1,

diff  --git a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
index f5b983ac757f..c33a4b4fc0fe 100644
--- a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
+++ b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
@@ -31,12 +31,13 @@ def AArch64ldff1s : SDNode<"AArch64ISD::LDFF1S", SDT_AArch64_LD1, [SDNPHasChain,
 // Contiguous load and replicate - node definitions
 //
 
-def SDT_AArch64_LD1RQ : SDTypeProfile<1, 2, [
+def SDT_AArch64_LD1Replicate : SDTypeProfile<1, 2, [
   SDTCisVec<0>, SDTCisVec<1>, SDTCisPtrTy<2>,
   SDTCVecEltisVT<1,i1>, SDTCisSameNumEltsAs<0,1>
 ]>;
 
-def AArch64ld1rq  : SDNode<"AArch64ISD::LD1RQ",  SDT_AArch64_LD1RQ, [SDNPHasChain, SDNPMayLoad]>;
+def AArch64ld1rq : SDNode<"AArch64ISD::LD1RQ",  SDT_AArch64_LD1Replicate, [SDNPHasChain, SDNPMayLoad]>;
+def AArch64ld1ro : SDNode<"AArch64ISD::LD1RO",  SDT_AArch64_LD1Replicate, [SDNPHasChain, SDNPMayLoad]>;
 
 // Gather loads - node definitions
 //
@@ -1434,6 +1435,7 @@ multiclass sve_prefetch<SDPatternOperator prefetch, ValueType PredTy, Instructio
 
     def : Pat<(nxv8f16 (bitconvert (nxv16i8 ZPR:$src))), (nxv8f16 ZPR:$src)>;
     def : Pat<(nxv8f16 (bitconvert (nxv8i16 ZPR:$src))), (nxv8f16 ZPR:$src)>;
+    def : Pat<(nxv8bf16 (bitconvert (nxv8i16 ZPR:$src))), (nxv8bf16 ZPR:$src)>;
     def : Pat<(nxv8f16 (bitconvert (nxv4i32 ZPR:$src))), (nxv8f16 ZPR:$src)>;
     def : Pat<(nxv8f16 (bitconvert (nxv2i64 ZPR:$src))), (nxv8f16 ZPR:$src)>;
     def : Pat<(nxv8f16 (bitconvert (nxv4f32 ZPR:$src))), (nxv8f16 ZPR:$src)>;
@@ -1954,10 +1956,10 @@ let Predicates = [HasSVE, HasMatMulFP32] in {
 
 let Predicates = [HasSVE, HasMatMulFP64] in {
   defm FMMLA_ZZZ_D : sve_fp_matrix_mla<1, "fmmla", ZPR64, int_aarch64_sve_fmmla, nxv2f64>;
-  defm LD1RO_B_IMM  : sve_mem_ldor_si<0b00, "ld1rob", Z_b, ZPR8>;
-  defm LD1RO_H_IMM  : sve_mem_ldor_si<0b01, "ld1roh", Z_h, ZPR16>;
-  defm LD1RO_W_IMM  : sve_mem_ldor_si<0b10, "ld1row", Z_s, ZPR32>;
-  defm LD1RO_D_IMM  : sve_mem_ldor_si<0b11, "ld1rod", Z_d, ZPR64>;
+  defm LD1RO_B_IMM  : sve_mem_ldor_si<0b00, "ld1rob", Z_b, ZPR8,  nxv16i8, nxv16i1, AArch64ld1ro>;
+  defm LD1RO_H_IMM  : sve_mem_ldor_si<0b01, "ld1roh", Z_h, ZPR16, nxv8i16, nxv8i1,  AArch64ld1ro>;
+  defm LD1RO_W_IMM  : sve_mem_ldor_si<0b10, "ld1row", Z_s, ZPR32, nxv4i32, nxv4i1,  AArch64ld1ro>;
+  defm LD1RO_D_IMM  : sve_mem_ldor_si<0b11, "ld1rod", Z_d, ZPR64, nxv2i64, nxv2i1,  AArch64ld1ro>;
   defm LD1RO_B      : sve_mem_ldor_ss<0b00, "ld1rob", Z_b, ZPR8,  GPR64NoXZRshifted8>;
   defm LD1RO_H      : sve_mem_ldor_ss<0b01, "ld1roh", Z_h, ZPR16, GPR64NoXZRshifted16>;
   defm LD1RO_W      : sve_mem_ldor_ss<0b10, "ld1row", Z_s, ZPR32, GPR64NoXZRshifted32>;

diff  --git a/llvm/lib/Target/AArch64/SVEInstrFormats.td b/llvm/lib/Target/AArch64/SVEInstrFormats.td
index 25702e15ab5a..6c8d49f1f1a0 100644
--- a/llvm/lib/Target/AArch64/SVEInstrFormats.td
+++ b/llvm/lib/Target/AArch64/SVEInstrFormats.td
@@ -7663,7 +7663,7 @@ class sve_mem_ldor_si<bits<2> sz, string asm, RegisterOperand VecList>
 }
 
 multiclass sve_mem_ldor_si<bits<2> sz, string asm, RegisterOperand listty,
-                           ZPRRegOp zprty> {
+                           ZPRRegOp zprty, ValueType Ty, ValueType PredTy, SDNode Ld1ro> {
   def NAME : sve_mem_ldor_si<sz, asm, listty>;
   def : InstAlias<asm # "\t$Zt, $Pg/z, [$Rn]",
                   (!cast<Instruction>(NAME) listty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, 0), 1>;
@@ -7671,6 +7671,11 @@ multiclass sve_mem_ldor_si<bits<2> sz, string asm, RegisterOperand listty,
                   (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, 0), 0>;
   def : InstAlias<asm # "\t$Zt, $Pg/z, [$Rn, $imm4]",
                   (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, simm4s32:$imm4), 0>;
+
+  // Base addressing mode
+  def : Pat<(Ty (Ld1ro (PredTy PPR3bAny:$gp), GPR64sp:$base)),
+            (!cast<Instruction>(NAME) PPR3bAny:$gp, GPR64sp:$base, (i64 0))>;
+
 }
 
 class sve_mem_ldor_ss<bits<2> sz, string asm, RegisterOperand VecList,

diff  --git a/llvm/test/CodeGen/AArch64/sve-intrinsics-ld1ro.ll b/llvm/test/CodeGen/AArch64/sve-intrinsics-ld1ro.ll
new file mode 100644
index 000000000000..50b7c003f4d7
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-intrinsics-ld1ro.ll
@@ -0,0 +1,84 @@
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve,+f64mm -asm-verbose=0 < %s | FileCheck %s
+
+;
+; LD1ROB
+;
+
+define <vscale x 16 x i8> @ld1rob_i8(<vscale x 16 x i1> %pred, i8* %addr) nounwind {
+; CHECK-LABEL: ld1rob_i8:
+; CHECK-NEXT:  ld1rob { z0.b }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 16 x i8> @llvm.aarch64.sve.ld1ro.nxv16i8(<vscale x 16 x i1> %pred, i8* %addr)
+  ret <vscale x 16 x i8> %res
+}
+
+;
+; LD1ROH
+;
+
+define <vscale x 8 x i16> @ld1roh_i16(<vscale x 8 x i1> %pred, i16* %addr) nounwind {
+; CHECK-LABEL: ld1roh_i16:
+; CHECK-NEXT:  ld1roh { z0.h }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 8 x i16> @llvm.aarch64.sve.ld1ro.nxv8i16(<vscale x 8 x i1> %pred, i16* %addr)
+  ret <vscale x 8 x i16> %res
+}
+
+define <vscale x 8 x half> @ld1roh_half(<vscale x 8 x i1> %pred, half* %addr) nounwind {
+; CHECK-LABEL: ld1roh_half:
+; CHECK-NEXT:  ld1roh { z0.h }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 8 x half> @llvm.aarch64.sve.ld1ro.nxv8f16(<vscale x 8 x i1> %pred, half* %addr)
+  ret <vscale x 8 x half> %res
+}
+
+;
+; LD1ROW
+;
+
+define <vscale x 4 x i32> @ld1row_i32(<vscale x 4 x i1> %pred, i32* %addr) nounwind {
+; CHECK-LABEL: ld1row_i32:
+; CHECK-NEXT:  ld1row { z0.s }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 4 x i32> @llvm.aarch64.sve.ld1ro.nxv4i32(<vscale x 4 x i1> %pred, i32* %addr)
+  ret <vscale x 4 x i32> %res
+}
+
+define <vscale x 4 x float> @ld1row_float(<vscale x 4 x i1> %pred, float* %addr) nounwind {
+; CHECK-LABEL: ld1row_float:
+; CHECK-NEXT:  ld1row { z0.s }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 4 x float> @llvm.aarch64.sve.ld1ro.nxv4f32(<vscale x 4 x i1> %pred, float* %addr)
+  ret <vscale x 4 x float> %res
+}
+
+;
+; LD1ROD
+;
+
+define <vscale x 2 x i64> @ld1rod_i64(<vscale x 2 x i1> %pred, i64* %addr) nounwind {
+; CHECK-LABEL: ld1rod_i64:
+; CHECK-NEXT:  ld1rod { z0.d }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 2 x i64> @llvm.aarch64.sve.ld1ro.nxv2i64(<vscale x 2 x i1> %pred, i64* %addr)
+  ret <vscale x 2 x i64> %res
+}
+
+define <vscale x 2 x double> @ld1rod_double(<vscale x 2 x i1> %pred, double* %addr) nounwind {
+; CHECK-LABEL: ld1rod_double:
+; CHECK-NEXT:  ld1rod { z0.d }, p0/z, [x0]
+; CHECK-NEXT:  ret
+  %res = call <vscale x 2 x double> @llvm.aarch64.sve.ld1ro.nxv2f64(<vscale x 2 x i1> %pred, double* %addr)
+  ret <vscale x 2 x double> %res
+}
+
+declare <vscale x 16 x i8> @llvm.aarch64.sve.ld1ro.nxv16i8(<vscale x 16 x i1>, i8*)
+
+declare <vscale x 8 x i16> @llvm.aarch64.sve.ld1ro.nxv8i16(<vscale x 8 x i1>, i16*)
+declare <vscale x 8 x half> @llvm.aarch64.sve.ld1ro.nxv8f16(<vscale x 8 x i1>, half*)
+
+declare <vscale x 4 x i32> @llvm.aarch64.sve.ld1ro.nxv4i32(<vscale x 4 x i1>, i32*)
+declare <vscale x 4 x float> @llvm.aarch64.sve.ld1ro.nxv4f32(<vscale x 4 x i1>, float*)
+
+declare <vscale x 2 x i64> @llvm.aarch64.sve.ld1ro.nxv2i64(<vscale x 2 x i1>, i64*)
+declare <vscale x 2 x double> @llvm.aarch64.sve.ld1ro.nxv2f64(<vscale x 2 x i1>, double*)


        


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