[llvm] [SelectionDAG] Virtualize isTargetStrictFPOpcode / isTargetMemoryOpcode (PR #119969)

Sergei Barannikov via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 16 08:04:36 PST 2024


https://github.com/s-barannikov updated https://github.com/llvm/llvm-project/pull/119969

>From c51459abeaa0e340e2169dcd428741cc0192279c Mon Sep 17 00:00:00 2001
From: Sergei Barannikov <barannikov88 at gmail.com>
Date: Wed, 13 Nov 2024 21:26:38 +0300
Subject: [PATCH] [CodeGen] Virtualize isTargetStrictFPOpcode /
 isTargetMemoryOpcode

---
 llvm/include/llvm/CodeGen/ISDOpcodes.h        | 11 ------
 llvm/include/llvm/CodeGen/SelectionDAG.h      |  4 +-
 llvm/include/llvm/CodeGen/SelectionDAGNodes.h | 29 ++-------------
 .../llvm/CodeGen/SelectionDAGTargetInfo.h     | 13 +++++++
 .../lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 12 +++---
 .../CodeGen/SelectionDAG/SelectionDAGISel.cpp |  7 +++-
 .../SelectionDAG/SelectionDAGTargetInfo.cpp   |  6 +++
 llvm/lib/Target/AArch64/AArch64ISelLowering.h |  6 ++-
 .../AArch64/AArch64SelectionDAGInfo.cpp       | 17 +++++++++
 .../Target/AArch64/AArch64SelectionDAGInfo.h  |  4 ++
 llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp |  1 -
 llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h   |  6 ++-
 .../Target/AMDGPU/AMDGPUSelectionDAGInfo.cpp  |  6 +++
 .../Target/AMDGPU/AMDGPUSelectionDAGInfo.h    |  2 +
 llvm/lib/Target/ARM/ARMISelLowering.h         |  6 ++-
 llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp   |  5 +++
 llvm/lib/Target/ARM/ARMSelectionDAGInfo.h     |  2 +
 llvm/lib/Target/Mips/MipsISelLowering.h       |  2 +-
 llvm/lib/Target/Mips/MipsSelectionDAGInfo.cpp | 17 +++++++++
 llvm/lib/Target/Mips/MipsSelectionDAGInfo.h   |  2 +
 llvm/lib/Target/NVPTX/NVPTXISelLowering.h     |  6 ++-
 .../Target/NVPTX/NVPTXSelectionDAGInfo.cpp    |  6 +++
 llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.h |  2 +
 llvm/lib/Target/PowerPC/PPCISelLowering.h     | 21 +++++------
 .../Target/PowerPC/PPCSelectionDAGInfo.cpp    | 23 ++++++++++++
 llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h |  4 ++
 llvm/lib/Target/RISCV/RISCVISelLowering.cpp   | 37 +++++++++----------
 llvm/lib/Target/RISCV/RISCVISelLowering.h     | 11 ++----
 .../Target/RISCV/RISCVSelectionDAGInfo.cpp    | 19 ++++++++++
 llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.h |  4 ++
 llvm/lib/Target/SystemZ/SystemZISelLowering.h |  8 ++--
 .../SystemZ/SystemZSelectionDAGInfo.cpp       | 23 ++++++++++++
 .../Target/SystemZ/SystemZSelectionDAGInfo.h  |  4 ++
 .../lib/Target/WebAssembly/WebAssemblyISD.def |  8 ++--
 .../WebAssembly/WebAssemblyISelLowering.cpp   |  3 --
 .../WebAssembly/WebAssemblyISelLowering.h     |  8 ----
 .../WebAssemblySelectionDAGInfo.cpp           | 12 ++++++
 .../WebAssembly/WebAssemblySelectionDAGInfo.h |  3 ++
 llvm/lib/Target/X86/X86ISelLowering.cpp       |  8 +++-
 llvm/lib/Target/X86/X86ISelLowering.h         | 15 +++-----
 llvm/lib/Target/X86/X86SelectionDAGInfo.cpp   | 10 +++++
 llvm/lib/Target/X86/X86SelectionDAGInfo.h     |  4 ++
 42 files changed, 275 insertions(+), 122 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/ISDOpcodes.h b/llvm/include/llvm/CodeGen/ISDOpcodes.h
index 0b6d155b6d161e..69820aed2137b5 100644
--- a/llvm/include/llvm/CodeGen/ISDOpcodes.h
+++ b/llvm/include/llvm/CodeGen/ISDOpcodes.h
@@ -1490,17 +1490,6 @@ enum NodeType {
   BUILTIN_OP_END
 };
 
-/// FIRST_TARGET_STRICTFP_OPCODE - Target-specific pre-isel operations
-/// which cannot raise FP exceptions should be less than this value.
-/// Those that do must not be less than this value.
-static const int FIRST_TARGET_STRICTFP_OPCODE = BUILTIN_OP_END + 400;
-
-/// FIRST_TARGET_MEMORY_OPCODE - Target-specific pre-isel operations
-/// which do not reference a specific memory location should be less than
-/// this value. Those that do must not be less than this value, and can
-/// be used with SelectionDAG::getMemIntrinsicNode.
-static const int FIRST_TARGET_MEMORY_OPCODE = BUILTIN_OP_END + 500;
-
 /// Whether this is bitwise logic opcode.
 inline bool isBitwiseLogicOp(unsigned Opcode) {
   return Opcode == ISD::AND || Opcode == ISD::OR || Opcode == ISD::XOR;
diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
index e97e01839f73b4..27cc1a2f963519 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -1327,8 +1327,8 @@ class SelectionDAG {
 
   /// Creates a MemIntrinsicNode that may produce a
   /// result and takes a list of operands. Opcode may be INTRINSIC_VOID,
-  /// INTRINSIC_W_CHAIN, or a target-specific opcode with a value not
-  /// less than FIRST_TARGET_MEMORY_OPCODE.
+  /// INTRINSIC_W_CHAIN, or a target-specific memory-referencing opcode
+  // (see `SelectionDAGTargetInfo::isTargetMemoryOpcode`).
   SDValue getMemIntrinsicNode(
       unsigned Opcode, const SDLoc &dl, SDVTList VTList, ArrayRef<SDValue> Ops,
       EVT MemVT, MachinePointerInfo PtrInfo, Align Alignment,
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index 61f3c6329efce8..46d8ae442bf2a2 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -210,7 +210,6 @@ class SDValue {
   inline const SDValue &getOperand(unsigned i) const;
   inline uint64_t getConstantOperandVal(unsigned i) const;
   inline const APInt &getConstantOperandAPInt(unsigned i) const;
-  inline bool isTargetMemoryOpcode() const;
   inline bool isTargetOpcode() const;
   inline bool isMachineOpcode() const;
   inline bool isUndef() const;
@@ -688,22 +687,6 @@ END_TWO_BYTE_PACK()
   /// \<target\>ISD namespace).
   bool isTargetOpcode() const { return NodeType >= ISD::BUILTIN_OP_END; }
 
-  /// Test if this node has a target-specific opcode that may raise
-  /// FP exceptions (in the \<target\>ISD namespace and greater than
-  /// FIRST_TARGET_STRICTFP_OPCODE).  Note that all target memory
-  /// opcode are currently automatically considered to possibly raise
-  /// FP exceptions as well.
-  bool isTargetStrictFPOpcode() const {
-    return NodeType >= ISD::FIRST_TARGET_STRICTFP_OPCODE;
-  }
-
-  /// Test if this node has a target-specific
-  /// memory-referencing opcode (in the \<target\>ISD namespace and
-  /// greater than FIRST_TARGET_MEMORY_OPCODE).
-  bool isTargetMemoryOpcode() const {
-    return NodeType >= ISD::FIRST_TARGET_MEMORY_OPCODE;
-  }
-
   /// Return true if the type of the node type undefined.
   bool isUndef() const { return NodeType == ISD::UNDEF; }
 
@@ -1214,10 +1197,6 @@ inline bool SDValue::isTargetOpcode() const {
   return Node->isTargetOpcode();
 }
 
-inline bool SDValue::isTargetMemoryOpcode() const {
-  return Node->isTargetMemoryOpcode();
-}
-
 inline bool SDValue::isMachineOpcode() const {
   return Node->isMachineOpcode();
 }
@@ -1571,10 +1550,10 @@ class AtomicSDNode : public MemSDNode {
   }
 };
 
-/// This SDNode is used for target intrinsics that touch
-/// memory and need an associated MachineMemOperand. Its opcode may be
-/// INTRINSIC_VOID, INTRINSIC_W_CHAIN, PREFETCH, or a target-specific opcode
-/// with a value not less than FIRST_TARGET_MEMORY_OPCODE.
+/// This SDNode is used for target intrinsics that touch memory and need
+/// an associated MachineMemOperand. Its opcode may be INTRINSIC_VOID,
+/// INTRINSIC_W_CHAIN, PREFETCH, or a target-specific memory-referencing
+/// opcode (see `SelectionDAGTargetInfo::isTargetMemoryOpcode`).
 class MemIntrinsicSDNode : public MemSDNode {
 public:
   MemIntrinsicSDNode(unsigned Opc, unsigned Order, const DebugLoc &dl,
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGTargetInfo.h b/llvm/include/llvm/CodeGen/SelectionDAGTargetInfo.h
index 720c9463867c34..ef5ae5dba58de4 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGTargetInfo.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGTargetInfo.h
@@ -35,6 +35,19 @@ class SelectionDAGTargetInfo {
   SelectionDAGTargetInfo &operator=(const SelectionDAGTargetInfo &) = delete;
   virtual ~SelectionDAGTargetInfo();
 
+  /// Returns true if a node with the given target-specific opcode has
+  /// a memory operand. Nodes with such opcodes can only be created with
+  /// `SelectionDAG::getMemIntrinsicNode`.
+  virtual bool isTargetMemoryOpcode(unsigned Opcode) const { return false; }
+
+  /// Returns true if a node with the given target-specific opcode has
+  /// strict floating-point semantics.
+  virtual bool isTargetStrictFPOpcode(unsigned Opcode) const { return false; }
+
+  /// Returns true if a node with the given target-specific opcode
+  /// may raise a floating-point exception.
+  virtual bool mayRaiseFPException(unsigned Opcode) const;
+
   /// Emit target-specific code that performs a memcpy.
   /// This can be used by targets to provide code sequences for cases
   /// that don't fit the target's parameters for simple loads/stores and can be
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 34214550f3a12b..9d6430e697f241 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -8978,12 +8978,12 @@ SDValue SelectionDAG::getMemIntrinsicNode(unsigned Opcode, const SDLoc &dl,
                                           SDVTList VTList,
                                           ArrayRef<SDValue> Ops, EVT MemVT,
                                           MachineMemOperand *MMO) {
-  assert((Opcode == ISD::INTRINSIC_VOID ||
-          Opcode == ISD::INTRINSIC_W_CHAIN ||
-          Opcode == ISD::PREFETCH ||
-          (Opcode <= (unsigned)std::numeric_limits<int>::max() &&
-           (int)Opcode >= ISD::FIRST_TARGET_MEMORY_OPCODE)) &&
-         "Opcode is not a memory-accessing opcode!");
+  assert(
+      (Opcode == ISD::INTRINSIC_VOID || Opcode == ISD::INTRINSIC_W_CHAIN ||
+       Opcode == ISD::PREFETCH ||
+       (Opcode <= (unsigned)std::numeric_limits<int>::max() &&
+        Opcode >= ISD::BUILTIN_OP_END && TSI->isTargetMemoryOpcode(Opcode))) &&
+      "Opcode is not a memory-accessing opcode!");
 
   // Memoize the node unless it returns a glue result.
   MemIntrinsicSDNode *N;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 35aa7b87bc3b7f..527e851681b349 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -51,6 +51,7 @@
 #include "llvm/CodeGen/SchedulerRegistry.h"
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
 #include "llvm/CodeGen/StackMaps.h"
 #include "llvm/CodeGen/StackProtector.h"
 #include "llvm/CodeGen/SwiftErrorValueTracking.h"
@@ -4395,8 +4396,10 @@ bool SelectionDAGISel::mayRaiseFPException(SDNode *N) const {
 
   // For ISD opcodes, only StrictFP opcodes may raise an FP
   // exception.
-  if (N->isTargetOpcode())
-    return N->isTargetStrictFPOpcode();
+  if (N->isTargetOpcode()) {
+    const SelectionDAGTargetInfo &TSI = CurDAG->getSelectionDAGInfo();
+    return TSI.mayRaiseFPException(N->getOpcode());
+  }
   return N->isStrictFPOpcode();
 }
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGTargetInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGTargetInfo.cpp
index 3a2df6f60593a9..0f3b36658f10ad 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGTargetInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGTargetInfo.cpp
@@ -15,3 +15,9 @@
 using namespace llvm;
 
 SelectionDAGTargetInfo::~SelectionDAGTargetInfo() = default;
+
+bool SelectionDAGTargetInfo::mayRaiseFPException(unsigned Opcode) const {
+  // FIXME: All target memory opcodes are currently automatically considered
+  //  to possibly raise FP exceptions. See rev. 63336795.
+  return isTargetStrictFPOpcode(Opcode) || isTargetMemoryOpcode(Opcode);
+}
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.h b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
index d51b36f7e49946..835c9381834724 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
@@ -477,7 +477,7 @@ enum NodeType : unsigned {
   MSRR,
 
   // Strict (exception-raising) floating point comparison
-  STRICT_FCMP = ISD::FIRST_TARGET_STRICTFP_OPCODE,
+  STRICT_FCMP,
   STRICT_FCMPE,
 
   // SME ZA loads and stores
@@ -485,7 +485,8 @@ enum NodeType : unsigned {
   SME_ZA_STR,
 
   // NEON Load/Store with post-increment base updates
-  LD2post = ISD::FIRST_TARGET_MEMORY_OPCODE,
+  FIRST_MEMORY_OPCODE,
+  LD2post = FIRST_MEMORY_OPCODE,
   LD3post,
   LD4post,
   ST2post,
@@ -520,6 +521,7 @@ enum NodeType : unsigned {
   STP,
   STILP,
   STNP,
+  LAST_MEMORY_OPCODE = STNP,
 };
 
 } // end namespace AArch64ISD
diff --git a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
index c4d60a0cb4a118..9b946682b66228 100644
--- a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
@@ -23,6 +23,23 @@ static cl::opt<bool>
                                 "to lower to librt functions"),
                        cl::init(true));
 
+bool AArch64SelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= AArch64ISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= AArch64ISD::LAST_MEMORY_OPCODE;
+}
+
+bool AArch64SelectionDAGInfo::isTargetStrictFPOpcode(unsigned Opcode) const {
+  switch (static_cast<AArch64ISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case AArch64ISD::STRICT_FCMP:
+  case AArch64ISD::STRICT_FCMPE:
+  case AArch64ISD::SME_ZA_LDR:
+  case AArch64ISD::SME_ZA_STR:
+    return true;
+  }
+}
+
 SDValue AArch64SelectionDAGInfo::EmitMOPS(unsigned Opcode, SelectionDAG &DAG,
                                           const SDLoc &DL, SDValue Chain,
                                           SDValue Dst, SDValue SrcOrValue,
diff --git a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.h b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.h
index 9d1f2e9cba846a..7efe49c7206555 100644
--- a/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.h
@@ -19,6 +19,10 @@ namespace llvm {
 
 class AArch64SelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
+  bool isTargetStrictFPOpcode(unsigned Opcode) const override;
+
   SDValue EmitMOPS(unsigned Opcode, SelectionDAG &DAG, const SDLoc &DL,
                    SDValue Chain, SDValue Dst, SDValue SrcOrValue, SDValue Size,
                    Align Alignment, bool isVolatile,
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
index 48e9af9fe507fb..f76acfe12e2953 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -5555,7 +5555,6 @@ const char* AMDGPUTargetLowering::getTargetNodeName(unsigned Opcode) const {
   NODE_NAME_CASE(PC_ADD_REL_OFFSET)
   NODE_NAME_CASE(LDS)
   NODE_NAME_CASE(DUMMY_CHAIN)
-  case AMDGPUISD::FIRST_MEM_OPCODE_NUMBER: break;
   NODE_NAME_CASE(LOAD_D16_HI)
   NODE_NAME_CASE(LOAD_D16_LO)
   NODE_NAME_CASE(LOAD_D16_HI_I8)
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
index 33991239a41209..c74dc7942f52c0 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
@@ -546,8 +546,9 @@ enum NodeType : unsigned {
   LDS,
 
   DUMMY_CHAIN,
-  FIRST_MEM_OPCODE_NUMBER = ISD::FIRST_TARGET_MEMORY_OPCODE,
-  LOAD_D16_HI,
+
+  FIRST_MEMORY_OPCODE,
+  LOAD_D16_HI = FIRST_MEMORY_OPCODE,
   LOAD_D16_LO,
   LOAD_D16_HI_I8,
   LOAD_D16_HI_U8,
@@ -603,6 +604,7 @@ enum NodeType : unsigned {
   BUFFER_ATOMIC_FMIN,
   BUFFER_ATOMIC_FMAX,
   BUFFER_ATOMIC_COND_SUB_U32,
+  LAST_MEMORY_OPCODE = BUFFER_ATOMIC_COND_SUB_U32,
 };
 
 } // End namespace AMDGPUISD
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.cpp
index 7bc651504e36d4..2941a48c78d941 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.cpp
@@ -7,7 +7,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPUSelectionDAGInfo.h"
+#include "AMDGPUISelLowering.h"
 
 using namespace llvm;
 
 AMDGPUSelectionDAGInfo::~AMDGPUSelectionDAGInfo() = default;
+
+bool AMDGPUSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= AMDGPUISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= AMDGPUISD::LAST_MEMORY_OPCODE;
+}
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.h b/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.h
index bb11a56da52596..3280be73b2fdf1 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUSelectionDAGInfo.h
@@ -16,6 +16,8 @@ namespace llvm {
 class AMDGPUSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   ~AMDGPUSelectionDAGInfo() override;
+
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
 };
 
 } // namespace llvm
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h
index 4fa600e0cfcc40..cd663cebeab01f 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.h
+++ b/llvm/lib/Target/ARM/ARMISelLowering.h
@@ -321,7 +321,8 @@ class VectorType;
     CSINC, // Conditional select increment.
 
     // Vector load N-element structure to all lanes:
-    VLD1DUP = ISD::FIRST_TARGET_MEMORY_OPCODE,
+    FIRST_MEMORY_OPCODE,
+    VLD1DUP = FIRST_MEMORY_OPCODE,
     VLD2DUP,
     VLD3DUP,
     VLD4DUP,
@@ -356,7 +357,8 @@ class VectorType;
 
     // Load/Store of dual registers
     LDRD,
-    STRD
+    STRD,
+    LAST_MEMORY_OPCODE = STRD,
   };
 
   } // end namespace ARMISD
diff --git a/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp b/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp
index e7ea10ff971a0c..a39487c318f8e0 100644
--- a/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMSelectionDAGInfo.cpp
@@ -30,6 +30,11 @@ cl::opt<TPLoop::MemTransfer> EnableMemtransferTPLoop(
                           "Allow (may be subject to certain conditions) "
                           "conversion of memcpy to TP loop.")));
 
+bool ARMSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= ARMISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= ARMISD::LAST_MEMORY_OPCODE;
+}
+
 // Emit, if possible, a specialized version of the given Libcall. Typically this
 // means selecting the appropriately aligned version, but we also convert memset
 // of 0 into memclr.
diff --git a/llvm/lib/Target/ARM/ARMSelectionDAGInfo.h b/llvm/lib/Target/ARM/ARMSelectionDAGInfo.h
index 275b1c0f8dc017..d68150e66567ce 100644
--- a/llvm/lib/Target/ARM/ARMSelectionDAGInfo.h
+++ b/llvm/lib/Target/ARM/ARMSelectionDAGInfo.h
@@ -37,6 +37,8 @@ namespace ARM_AM {
 
 class ARMSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
                                   SDValue Chain, SDValue Dst, SDValue Src,
                                   SDValue Size, Align Alignment,
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.h b/llvm/lib/Target/Mips/MipsISelLowering.h
index e245c056de6491..ae56bf7c8a2e72 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.h
+++ b/llvm/lib/Target/Mips/MipsISelLowering.h
@@ -247,7 +247,7 @@ class TargetRegisterClass;
       DOUBLE_SELECT_I64,
 
       // Load/Store Left/Right nodes.
-      LWL = ISD::FIRST_TARGET_MEMORY_OPCODE,
+      LWL,
       LWR,
       SWL,
       SWR,
diff --git a/llvm/lib/Target/Mips/MipsSelectionDAGInfo.cpp b/llvm/lib/Target/Mips/MipsSelectionDAGInfo.cpp
index c24107bf639434..f6aea76b6fb0e4 100644
--- a/llvm/lib/Target/Mips/MipsSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsSelectionDAGInfo.cpp
@@ -7,7 +7,24 @@
 //===----------------------------------------------------------------------===//
 
 #include "MipsSelectionDAGInfo.h"
+#include "MipsISelLowering.h"
 
 using namespace llvm;
 
 MipsSelectionDAGInfo::~MipsSelectionDAGInfo() = default;
+
+bool MipsSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  switch (static_cast<MipsISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case MipsISD::LWL:
+  case MipsISD::LWR:
+  case MipsISD::SWL:
+  case MipsISD::SWR:
+  case MipsISD::LDL:
+  case MipsISD::LDR:
+  case MipsISD::SDL:
+  case MipsISD::SDR:
+    return true;
+  }
+}
diff --git a/llvm/lib/Target/Mips/MipsSelectionDAGInfo.h b/llvm/lib/Target/Mips/MipsSelectionDAGInfo.h
index bccd924a30e711..934cd2e056595d 100644
--- a/llvm/lib/Target/Mips/MipsSelectionDAGInfo.h
+++ b/llvm/lib/Target/Mips/MipsSelectionDAGInfo.h
@@ -16,6 +16,8 @@ namespace llvm {
 class MipsSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   ~MipsSelectionDAGInfo() override;
+
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
 };
 
 } // namespace llvm
diff --git a/llvm/lib/Target/NVPTX/NVPTXISelLowering.h b/llvm/lib/Target/NVPTX/NVPTXISelLowering.h
index c8b589ae39413e..f7c59973f8d1a5 100644
--- a/llvm/lib/Target/NVPTX/NVPTXISelLowering.h
+++ b/llvm/lib/Target/NVPTX/NVPTXISelLowering.h
@@ -70,7 +70,8 @@ enum NodeType : unsigned {
   BrxEnd,
   Dummy,
 
-  LoadV2 = ISD::FIRST_TARGET_MEMORY_OPCODE,
+  FIRST_MEMORY_OPCODE,
+  LoadV2 = FIRST_MEMORY_OPCODE,
   LoadV4,
   LDUV2, // LDU.v2
   LDUV4, // LDU.v4
@@ -443,7 +444,8 @@ enum NodeType : unsigned {
   Suld3DV2I64Zero,
   Suld3DV4I8Zero,
   Suld3DV4I16Zero,
-  Suld3DV4I32Zero
+  Suld3DV4I32Zero,
+  LAST_MEMORY_OPCODE = Suld3DV4I32Zero,
 };
 }
 
diff --git a/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.cpp b/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.cpp
index 9c26f310bbf653..d2035c6f8166f2 100644
--- a/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.cpp
@@ -7,7 +7,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "NVPTXSelectionDAGInfo.h"
+#include "NVPTXISelLowering.h"
 
 using namespace llvm;
 
 NVPTXSelectionDAGInfo::~NVPTXSelectionDAGInfo() = default;
+
+bool NVPTXSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= NVPTXISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= NVPTXISD::LAST_MEMORY_OPCODE;
+}
diff --git a/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.h b/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.h
index 6b04d78ca96878..9d69f48026c790 100644
--- a/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.h
+++ b/llvm/lib/Target/NVPTX/NVPTXSelectionDAGInfo.h
@@ -16,6 +16,8 @@ namespace llvm {
 class NVPTXSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   ~NVPTXSelectionDAGInfo() override;
+
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
 };
 
 } // namespace llvm
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index 8f41fc107a6918..7ee1b9bbbce511 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -36,14 +36,11 @@ namespace llvm {
 
   namespace PPCISD {
 
-    // When adding a NEW PPCISD node please add it to the correct position in
-    // the enum. The order of elements in this enum matters!
-    // Values that are added after this entry:
-    //     STBRX = ISD::FIRST_TARGET_MEMORY_OPCODE
-    // are considered memory opcodes and are treated differently than entries
-    // that come before it. For example, ADD or MUL should be placed before
-    // the ISD::FIRST_TARGET_MEMORY_OPCODE while a LOAD or STORE should come
-    // after it.
+  // When adding a NEW PPCISD node please add it to the correct position in
+  // the enum. The order of elements in this enum matters!
+  // Values that are added between FIRST_MEMORY_OPCODE and LAST_MEMORY_OPCODE
+  // are considered memory opcodes and are treated differently than other
+  // entries.
   enum NodeType : unsigned {
     // Start the numbering where the builtin ops and target ops leave off.
     FIRST_NUMBER = ISD::BUILTIN_OP_END,
@@ -487,7 +484,7 @@ namespace llvm {
     XXMFACC,
 
     // Constrained conversion from floating point to int
-    STRICT_FCTIDZ = ISD::FIRST_TARGET_STRICTFP_OPCODE,
+    STRICT_FCTIDZ,
     STRICT_FCTIWZ,
     STRICT_FCTIDUZ,
     STRICT_FCTIWUZ,
@@ -516,7 +513,8 @@ namespace llvm {
     /// byte-swapping store instruction.  It byte-swaps the low "Type" bits of
     /// the GPRC input, then stores it through Ptr.  Type can be either i16 or
     /// i32.
-    STBRX = ISD::FIRST_TARGET_MEMORY_OPCODE,
+    FIRST_MEMORY_OPCODE,
+    STBRX = FIRST_MEMORY_OPCODE,
 
     /// GPRC, CHAIN = LBRX CHAIN, Ptr, Type - This is a
     /// byte-swapping load instruction.  It loads "Type" bits, byte swaps it,
@@ -607,7 +605,8 @@ namespace llvm {
     /// GPRC = TOC_ENTRY GA, TOC
     /// Loads the entry for GA from the TOC, where the TOC base is given by
     /// the last operand.
-    TOC_ENTRY
+    TOC_ENTRY,
+    LAST_MEMORY_OPCODE = TOC_ENTRY,
   };
 
   } // end namespace PPCISD
diff --git a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp b/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp
index 211aaff3cfa0ea..f01a90274602dd 100644
--- a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.cpp
@@ -7,7 +7,30 @@
 //===----------------------------------------------------------------------===//
 
 #include "PPCSelectionDAGInfo.h"
+#include "PPCISelLowering.h"
 
 using namespace llvm;
 
 PPCSelectionDAGInfo::~PPCSelectionDAGInfo() = default;
+
+bool PPCSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= PPCISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= PPCISD::LAST_MEMORY_OPCODE;
+}
+
+bool PPCSelectionDAGInfo::isTargetStrictFPOpcode(unsigned Opcode) const {
+  switch (static_cast<PPCISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case PPCISD::STRICT_FCTIDZ:
+  case PPCISD::STRICT_FCTIWZ:
+  case PPCISD::STRICT_FCTIDUZ:
+  case PPCISD::STRICT_FCTIWUZ:
+  case PPCISD::STRICT_FCFID:
+  case PPCISD::STRICT_FCFIDU:
+  case PPCISD::STRICT_FCFIDS:
+  case PPCISD::STRICT_FCFIDUS:
+  case PPCISD::STRICT_FADDRTZ:
+    return true;
+  }
+}
diff --git a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h b/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h
index cc14e9b0a69043..08e2ddbf1c4ca7 100644
--- a/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h
+++ b/llvm/lib/Target/PowerPC/PPCSelectionDAGInfo.h
@@ -16,6 +16,10 @@ namespace llvm {
 class PPCSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   ~PPCSelectionDAGInfo() override;
+
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
+  bool isTargetStrictFPOpcode(unsigned Opcode) const override;
 };
 
 } // namespace llvm
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 096b9fa79173fe..3b38737a4e48a5 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -17,6 +17,7 @@
 #include "RISCVConstantPoolValue.h"
 #include "RISCVMachineFunctionInfo.h"
 #include "RISCVRegisterInfo.h"
+#include "RISCVSelectionDAGInfo.h"
 #include "RISCVSubtarget.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/Statistic.h"
@@ -6392,14 +6393,12 @@ static unsigned getRISCVVLOp(SDValue Op) {
 /// Return true if a RISC-V target specified op has a passthru operand.
 static bool hasPassthruOp(unsigned Opcode) {
   assert(Opcode > RISCVISD::FIRST_NUMBER &&
-         Opcode <= RISCVISD::LAST_RISCV_STRICTFP_OPCODE &&
+         Opcode <= RISCVISD::LAST_STRICTFP_OPCODE &&
          "not a RISC-V target specific op");
-  static_assert(RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP ==
-                    127 &&
-                RISCVISD::LAST_RISCV_STRICTFP_OPCODE -
-                        ISD::FIRST_TARGET_STRICTFP_OPCODE ==
-                    21 &&
-                "adding target specific op should update this function");
+  static_assert(
+      RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP == 127 &&
+      RISCVISD::LAST_STRICTFP_OPCODE - RISCVISD::FIRST_STRICTFP_OPCODE == 21 &&
+      "adding target specific op should update this function");
   if (Opcode >= RISCVISD::ADD_VL && Opcode <= RISCVISD::VFMAX_VL)
     return true;
   if (Opcode == RISCVISD::FCOPYSIGN_VL)
@@ -6418,14 +6417,12 @@ static bool hasPassthruOp(unsigned Opcode) {
 /// Return true if a RISC-V target specified op has a mask operand.
 static bool hasMaskOp(unsigned Opcode) {
   assert(Opcode > RISCVISD::FIRST_NUMBER &&
-         Opcode <= RISCVISD::LAST_RISCV_STRICTFP_OPCODE &&
+         Opcode <= RISCVISD::LAST_STRICTFP_OPCODE &&
          "not a RISC-V target specific op");
-  static_assert(RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP ==
-                    127 &&
-                RISCVISD::LAST_RISCV_STRICTFP_OPCODE -
-                        ISD::FIRST_TARGET_STRICTFP_OPCODE ==
-                    21 &&
-                "adding target specific op should update this function");
+  static_assert(
+      RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP == 127 &&
+      RISCVISD::LAST_STRICTFP_OPCODE - RISCVISD::FIRST_STRICTFP_OPCODE == 21 &&
+      "adding target specific op should update this function");
   if (Opcode >= RISCVISD::TRUNCATE_VECTOR_VL && Opcode <= RISCVISD::SETCC_VL)
     return true;
   if (Opcode >= RISCVISD::VRGATHER_VX_VL && Opcode <= RISCVISD::VFIRST_VL)
@@ -15920,7 +15917,7 @@ static SDValue performFP_TO_INTCombine(SDNode *N,
   SDValue Src = N->getOperand(0);
 
   // Don't do this for strict-fp Src.
-  if (Src->isStrictFPOpcode() || Src->isTargetStrictFPOpcode())
+  if (Src->isStrictFPOpcode())
     return SDValue();
 
   // Ensure the FP type is legal.
@@ -16025,7 +16022,7 @@ static SDValue performFP_TO_INT_SATCombine(SDNode *N,
   SDValue Src = N->getOperand(0);
 
   // Don't do this for strict-fp Src.
-  if (Src->isStrictFPOpcode() || Src->isTargetStrictFPOpcode())
+  if (Src->isStrictFPOpcode())
     return SDValue();
 
   // Ensure the FP type is also legal.
@@ -16133,7 +16130,9 @@ static unsigned negateFMAOpcode(unsigned Opcode, bool NegMul, bool NegAcc) {
 static SDValue combineVFMADD_VLWithVFNEG_VL(SDNode *N, SelectionDAG &DAG) {
   // Fold FNEG_VL into FMA opcodes.
   // The first operand of strict-fp is chain.
-  unsigned Offset = N->isTargetStrictFPOpcode();
+  bool IsStrict =
+      DAG.getSelectionDAGInfo().isTargetStrictFPOpcode(N->getOpcode());
+  unsigned Offset = IsStrict ? 1 : 0;
   SDValue A = N->getOperand(0 + Offset);
   SDValue B = N->getOperand(1 + Offset);
   SDValue C = N->getOperand(2 + Offset);
@@ -16160,7 +16159,7 @@ static SDValue combineVFMADD_VLWithVFNEG_VL(SDNode *N, SelectionDAG &DAG) {
     return SDValue();
 
   unsigned NewOpcode = negateFMAOpcode(N->getOpcode(), NegA != NegB, NegC);
-  if (N->isTargetStrictFPOpcode())
+  if (IsStrict)
     return DAG.getNode(NewOpcode, SDLoc(N), N->getVTList(),
                        {N->getOperand(0), A, B, C, Mask, VL});
   return DAG.getNode(NewOpcode, SDLoc(N), N->getValueType(0), A, B, C, Mask,
@@ -16176,7 +16175,7 @@ static SDValue performVFMADD_VLCombine(SDNode *N,
     return V;
 
   // FIXME: Ignore strict opcodes for now.
-  if (N->isTargetStrictFPOpcode())
+  if (DAG.getSelectionDAGInfo().isTargetStrictFPOpcode(N->getOpcode()))
     return SDValue();
 
   return combineOp_VLToVWOp_VL(N, DCI, Subtarget);
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.h b/llvm/lib/Target/RISCV/RISCVISelLowering.h
index 778e38a1a834ee..3e9e2ca67f645b 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.h
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.h
@@ -467,7 +467,8 @@ enum NodeType : unsigned {
 
   // FP to 32 bit int conversions for RV64. These are used to keep track of the
   // result being sign extended to 64 bit. These saturate out of range inputs.
-  STRICT_FCVT_W_RV64 = ISD::FIRST_TARGET_STRICTFP_OPCODE,
+  FIRST_STRICTFP_OPCODE,
+  STRICT_FCVT_W_RV64 = FIRST_STRICTFP_OPCODE,
   STRICT_FCVT_WU_RV64,
   STRICT_FADD_VL,
   STRICT_FSUB_VL,
@@ -489,13 +490,9 @@ enum NodeType : unsigned {
   STRICT_FSETCC_VL,
   STRICT_FSETCCS_VL,
   STRICT_VFROUND_NOEXCEPT_VL,
-  LAST_RISCV_STRICTFP_OPCODE = STRICT_VFROUND_NOEXCEPT_VL,
+  LAST_STRICTFP_OPCODE = STRICT_VFROUND_NOEXCEPT_VL,
 
-  // WARNING: Do not add anything in the end unless you want the node to
-  // have memop! In fact, starting from FIRST_TARGET_MEMORY_OPCODE all
-  // opcodes will be thought as target memory ops!
-
-  TH_LWD = ISD::FIRST_TARGET_MEMORY_OPCODE,
+  TH_LWD,
   TH_LWUD,
   TH_LDD,
   TH_SWD,
diff --git a/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.cpp b/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.cpp
index 19d6138609a2ba..0b4774a1a21c1d 100644
--- a/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.cpp
@@ -7,7 +7,26 @@
 //===----------------------------------------------------------------------===//
 
 #include "RISCVSelectionDAGInfo.h"
+#include "RISCVISelLowering.h"
 
 using namespace llvm;
 
 RISCVSelectionDAGInfo::~RISCVSelectionDAGInfo() = default;
+
+bool RISCVSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  switch (static_cast<RISCVISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case RISCVISD::TH_LWD:
+  case RISCVISD::TH_LWUD:
+  case RISCVISD::TH_LDD:
+  case RISCVISD::TH_SWD:
+  case RISCVISD::TH_SDD:
+    return true;
+  }
+}
+
+bool RISCVSelectionDAGInfo::isTargetStrictFPOpcode(unsigned Opcode) const {
+  return Opcode >= RISCVISD::FIRST_STRICTFP_OPCODE &&
+         Opcode <= RISCVISD::LAST_STRICTFP_OPCODE;
+}
diff --git a/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.h b/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.h
index 7543d8b493cebf..6977d8507a9605 100644
--- a/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.h
+++ b/llvm/lib/Target/RISCV/RISCVSelectionDAGInfo.h
@@ -16,6 +16,10 @@ namespace llvm {
 class RISCVSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   ~RISCVSelectionDAGInfo() override;
+
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
+  bool isTargetStrictFPOpcode(unsigned Opcode) const override;
 };
 
 } // namespace llvm
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.h b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
index 0a899e861c73bf..4f418eceef8bbe 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
@@ -307,7 +307,7 @@ enum NodeType : unsigned {
 
   // Strict variants of scalar floating-point comparisons.
   // Quiet and signaling versions.
-  STRICT_FCMP = ISD::FIRST_TARGET_STRICTFP_OPCODE,
+  STRICT_FCMP,
   STRICT_FCMPS,
 
   // Strict variants of vector floating-point comparisons.
@@ -333,7 +333,8 @@ enum NodeType : unsigned {
   //            operand into the high bits
   // Operand 3: the negative of operand 2, for rotating the other way
   // Operand 4: the width of the field in bits (8 or 16)
-  ATOMIC_SWAPW = ISD::FIRST_TARGET_MEMORY_OPCODE,
+  FIRST_MEMORY_OPCODE,
+  ATOMIC_SWAPW = FIRST_MEMORY_OPCODE,
   ATOMIC_LOADW_ADD,
   ATOMIC_LOADW_SUB,
   ATOMIC_LOADW_AND,
@@ -384,7 +385,8 @@ enum NodeType : unsigned {
   // Prefetch from the second operand using the 4-bit control code in
   // the first operand.  The code is 1 for a load prefetch and 2 for
   // a store prefetch.
-  PREFETCH
+  PREFETCH,
+  LAST_MEMORY_OPCODE = PREFETCH,
 };
 
 // Return true if OPCODE is some kind of PC-relative address.
diff --git a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp
index c182c9890509fb..2f639d14a363a2 100644
--- a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.cpp
@@ -17,6 +17,29 @@ using namespace llvm;
 
 #define DEBUG_TYPE "systemz-selectiondag-info"
 
+bool SystemZSelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= SystemZISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= SystemZISD::LAST_MEMORY_OPCODE;
+}
+
+bool SystemZSelectionDAGInfo::isTargetStrictFPOpcode(unsigned Opcode) const {
+  switch (static_cast<SystemZISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case SystemZISD::STRICT_FCMP:
+  case SystemZISD::STRICT_FCMPS:
+  case SystemZISD::STRICT_VFCMPE:
+  case SystemZISD::STRICT_VFCMPH:
+  case SystemZISD::STRICT_VFCMPHE:
+  case SystemZISD::STRICT_VFCMPES:
+  case SystemZISD::STRICT_VFCMPHS:
+  case SystemZISD::STRICT_VFCMPHES:
+  case SystemZISD::STRICT_VEXTEND:
+  case SystemZISD::STRICT_VROUND:
+    return true;
+  }
+}
+
 static unsigned getMemMemLenAdj(unsigned Op) {
   return Op == SystemZISD::MEMSET_MVC ? 2 : 1;
 }
diff --git a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
index 6ac5bf8c6c1a37..c928f343e57103 100644
--- a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
@@ -21,6 +21,10 @@ class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   explicit SystemZSelectionDAGInfo() = default;
 
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
+  bool isTargetStrictFPOpcode(unsigned Opcode) const override;
+
   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
                                   SDValue Chain, SDValue Dst, SDValue Src,
                                   SDValue Size, Align Alignment,
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISD.def b/llvm/lib/Target/WebAssembly/WebAssemblyISD.def
index 3502c47016c6b6..1cf0d13df1ff6b 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISD.def
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISD.def
@@ -48,10 +48,10 @@ HANDLE_NODETYPE(I64_MUL_WIDE_S)
 HANDLE_NODETYPE(I64_MUL_WIDE_U)
 
 // Memory intrinsics
-HANDLE_MEM_NODETYPE(GLOBAL_GET)
-HANDLE_MEM_NODETYPE(GLOBAL_SET)
-HANDLE_MEM_NODETYPE(TABLE_GET)
-HANDLE_MEM_NODETYPE(TABLE_SET)
+HANDLE_NODETYPE(GLOBAL_GET)
+HANDLE_NODETYPE(GLOBAL_SET)
+HANDLE_NODETYPE(TABLE_GET)
+HANDLE_NODETYPE(TABLE_SET)
 
 // Bulk memory instructions. These follow LLVM's expected semantics of
 // supporting out-of-bounds pointers if the length is zero, by inserting
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 7712570869ff6c..084aed6eed46d3 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -871,14 +871,11 @@ const char *
 WebAssemblyTargetLowering::getTargetNodeName(unsigned Opcode) const {
   switch (static_cast<WebAssemblyISD::NodeType>(Opcode)) {
   case WebAssemblyISD::FIRST_NUMBER:
-  case WebAssemblyISD::FIRST_MEM_OPCODE:
     break;
 #define HANDLE_NODETYPE(NODE)                                                  \
   case WebAssemblyISD::NODE:                                                   \
     return "WebAssemblyISD::" #NODE;
-#define HANDLE_MEM_NODETYPE(NODE) HANDLE_NODETYPE(NODE)
 #include "WebAssemblyISD.def"
-#undef HANDLE_MEM_NODETYPE
 #undef HANDLE_NODETYPE
   }
   return nullptr;
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
index 82b33b6d1933d2..454432728ca871 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.h
@@ -24,16 +24,8 @@ namespace WebAssemblyISD {
 enum NodeType : unsigned {
   FIRST_NUMBER = ISD::BUILTIN_OP_END,
 #define HANDLE_NODETYPE(NODE) NODE,
-#define HANDLE_MEM_NODETYPE(NODE)
 #include "WebAssemblyISD.def"
-  FIRST_MEM_OPCODE = ISD::FIRST_TARGET_MEMORY_OPCODE,
 #undef HANDLE_NODETYPE
-#undef HANDLE_MEM_NODETYPE
-#define HANDLE_NODETYPE(NODE)
-#define HANDLE_MEM_NODETYPE(NODE) NODE,
-#include "WebAssemblyISD.def"
-#undef HANDLE_NODETYPE
-#undef HANDLE_MEM_NODETYPE
 };
 
 } // end namespace WebAssemblyISD
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp
index 6f37dab4095349..2673c81eae40ba 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp
@@ -18,6 +18,18 @@ using namespace llvm;
 
 WebAssemblySelectionDAGInfo::~WebAssemblySelectionDAGInfo() = default; // anchor
 
+bool WebAssemblySelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  switch (static_cast<WebAssemblyISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case WebAssemblyISD::GLOBAL_GET:
+  case WebAssemblyISD::GLOBAL_SET:
+  case WebAssemblyISD::TABLE_GET:
+  case WebAssemblyISD::TABLE_SET:
+    return true;
+  }
+}
+
 SDValue WebAssemblySelectionDAGInfo::EmitTargetCodeForMemcpy(
     SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dst, SDValue Src,
     SDValue Size, Align Alignment, bool IsVolatile, bool AlwaysInline,
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
index fd517b238715b5..69c9af09663081 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
@@ -22,6 +22,9 @@ namespace llvm {
 class WebAssemblySelectionDAGInfo final : public SelectionDAGTargetInfo {
 public:
   ~WebAssemblySelectionDAGInfo() override;
+
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
                                   SDValue Chain, SDValue Op1, SDValue Op2,
                                   SDValue Op3, Align Alignment, bool isVolatile,
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 7d23176c493a23..4003241e8a525a 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -54494,7 +54494,8 @@ static SDValue combineX86INT_TO_FP(SDNode *N, SelectionDAG &DAG,
 
 static SDValue combineCVTP2I_CVTTP2I(SDNode *N, SelectionDAG &DAG,
                                      TargetLowering::DAGCombinerInfo &DCI) {
-  bool IsStrict = N->isTargetStrictFPOpcode();
+  const SelectionDAGTargetInfo &TSI = DAG.getSelectionDAGInfo();
+  bool IsStrict = TSI.isTargetStrictFPOpcode(N->getOpcode());
   EVT VT = N->getValueType(0);
 
   // Convert a full vector load into vzload when not all bits are needed.
@@ -55114,7 +55115,10 @@ static SDValue combineFMA(SDNode *N, SelectionDAG &DAG,
                           const X86Subtarget &Subtarget) {
   SDLoc dl(N);
   EVT VT = N->getValueType(0);
-  bool IsStrict = N->isStrictFPOpcode() || N->isTargetStrictFPOpcode();
+  const SelectionDAGTargetInfo &TSI = DAG.getSelectionDAGInfo();
+  bool IsStrict = N->isTargetOpcode()
+                      ? TSI.isTargetStrictFPOpcode(N->getOpcode())
+                      : N->isStrictFPOpcode();
 
   // Let legalize expand this if it isn't a legal type yet.
   const TargetLowering &TLI = DAG.getTargetLoweringInfo();
diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h
index d154ee9745b978..2b7a8eaf249d83 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.h
+++ b/llvm/lib/Target/X86/X86ISelLowering.h
@@ -809,7 +809,8 @@ namespace llvm {
     CTEST,
 
     /// X86 strict FP compare instructions.
-    STRICT_FCMP = ISD::FIRST_TARGET_STRICTFP_OPCODE,
+    FIRST_STRICTFP_OPCODE,
+    STRICT_FCMP = FIRST_STRICTFP_OPCODE,
     STRICT_FCMPS,
 
     // Vector packed double/float comparison.
@@ -853,12 +854,11 @@ namespace llvm {
     /// Floating point max and min.
     STRICT_FMAX,
     STRICT_FMIN,
-
-    // WARNING: Only add nodes here if they are strict FP nodes. Non-memory and
-    // non-strict FP nodes should be above FIRST_TARGET_STRICTFP_OPCODE.
+    LAST_STRICTFP_OPCODE = STRICT_FMIN,
 
     // Compare and swap.
-    LCMPXCHG_DAG = ISD::FIRST_TARGET_MEMORY_OPCODE,
+    FIRST_MEMORY_OPCODE,
+    LCMPXCHG_DAG = FIRST_MEMORY_OPCODE,
     LCMPXCHG8_DAG,
     LCMPXCHG16_DAG,
     LCMPXCHG16_SAVE_RBX_DAG,
@@ -979,10 +979,7 @@ namespace llvm {
     // Conditional load/store instructions
     CLOAD,
     CSTORE,
-
-    // WARNING: Do not add anything in the end unless you want the node to
-    // have memop! In fact, starting from FIRST_TARGET_MEMORY_OPCODE all
-    // opcodes will be thought as target memory ops!
+    LAST_MEMORY_OPCODE = CSTORE,
   };
   } // end namespace X86ISD
 
diff --git a/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp b/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
index 3f88bcf9ce5ec5..aba62c36546f92 100644
--- a/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
+++ b/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
@@ -27,6 +27,16 @@ static cl::opt<bool>
     UseFSRMForMemcpy("x86-use-fsrm-for-memcpy", cl::Hidden, cl::init(false),
                      cl::desc("Use fast short rep mov in memcpy lowering"));
 
+bool X86SelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= X86ISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= X86ISD::LAST_MEMORY_OPCODE;
+}
+
+bool X86SelectionDAGInfo::isTargetStrictFPOpcode(unsigned Opcode) const {
+  return Opcode >= X86ISD::FIRST_STRICTFP_OPCODE &&
+         Opcode <= X86ISD::LAST_STRICTFP_OPCODE;
+}
+
 /// Returns the best type to use with repmovs/repstos depending on alignment.
 static MVT getOptimalRepType(const X86Subtarget &Subtarget, Align Alignment) {
   uint64_t Align = Alignment.value();
diff --git a/llvm/lib/Target/X86/X86SelectionDAGInfo.h b/llvm/lib/Target/X86/X86SelectionDAGInfo.h
index 19136ca4f6f586..e77e16bab830d5 100644
--- a/llvm/lib/Target/X86/X86SelectionDAGInfo.h
+++ b/llvm/lib/Target/X86/X86SelectionDAGInfo.h
@@ -26,6 +26,10 @@ class X86SelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   explicit X86SelectionDAGInfo() = default;
 
+  bool isTargetMemoryOpcode(unsigned Opcode) const override;
+
+  bool isTargetStrictFPOpcode(unsigned Opcode) const override;
+
   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl,
                                   SDValue Chain, SDValue Dst, SDValue Src,
                                   SDValue Size, Align Alignment,



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