diff --git a/lib/Target/AMDGPU/AMDGPU.td b/lib/Target/AMDGPU/AMDGPU.td
index 6a4cfe0..b6a58d7 100644
--- a/lib/Target/AMDGPU/AMDGPU.td
+++ b/lib/Target/AMDGPU/AMDGPU.td
@@ -784,7 +784,6 @@
 include "SISchedule.td"
 include "GCNProcessors.td"
 include "AMDGPUInstrInfo.td"
-include "SIIntrinsics.td"
 include "AMDGPURegisterInfo.td"
 include "AMDGPURegisterBanks.td"
 include "AMDGPUInstructions.td"
diff --git a/lib/Target/AMDGPU/AMDGPUAnnotateUniformValues.cpp b/lib/Target/AMDGPU/AMDGPUAnnotateUniformValues.cpp
index f88e3b0..b6c1c2b 100644
--- a/lib/Target/AMDGPU/AMDGPUAnnotateUniformValues.cpp
+++ b/lib/Target/AMDGPU/AMDGPUAnnotateUniformValues.cpp
@@ -14,7 +14,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPU.h"
-#include "AMDGPUIntrinsicInfo.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/Analysis/LegacyDivergenceAnalysis.h"
 #include "llvm/Analysis/LoopInfo.h"
diff --git a/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
index 8d36511..a366f7d 100644
--- a/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -21,7 +21,6 @@
 #include "AMDGPU.h"
 #include "AMDGPUCallLowering.h"
 #include "AMDGPUFrameLowering.h"
-#include "AMDGPUIntrinsicInfo.h"
 #include "AMDGPURegisterInfo.h"
 #include "AMDGPUSubtarget.h"
 #include "AMDGPUTargetMachine.h"
diff --git a/lib/Target/AMDGPU/AMDGPUIntrinsicInfo.cpp b/lib/Target/AMDGPU/AMDGPUIntrinsicInfo.cpp
deleted file mode 100644
index 02108ca..0000000
--- a/lib/Target/AMDGPU/AMDGPUIntrinsicInfo.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-//===- AMDGPUIntrinsicInfo.cpp - AMDGPU Intrinsic Information ---*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//==-----------------------------------------------------------------------===//
-//
-/// \file
-/// AMDGPU Implementation of the IntrinsicInfo class.
-//
-//===-----------------------------------------------------------------------===//
-
-#include "AMDGPUIntrinsicInfo.h"
-#include "AMDGPUSubtarget.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Intrinsics.h"
-#include "llvm/IR/Module.h"
-
-using namespace llvm;
-
-AMDGPUIntrinsicInfo::AMDGPUIntrinsicInfo()
-    : TargetIntrinsicInfo() {}
-
-static const char *const IntrinsicNameTable[] = {
-#define GET_INTRINSIC_NAME_TABLE
-#include "AMDGPUGenIntrinsicImpl.inc"
-#undef GET_INTRINSIC_NAME_TABLE
-};
-
-namespace {
-#define GET_INTRINSIC_ATTRIBUTES
-#include "AMDGPUGenIntrinsicImpl.inc"
-#undef GET_INTRINSIC_ATTRIBUTES
-}
-
-StringRef AMDGPUIntrinsicInfo::getName(unsigned IntrID,
-                                       ArrayRef<Type *> Tys) const {
-  if (IntrID < Intrinsic::num_intrinsics)
-    return StringRef();
-
-  assert(IntrID < SIIntrinsic::num_AMDGPU_intrinsics &&
-         "Invalid intrinsic ID");
-
-  return IntrinsicNameTable[IntrID - Intrinsic::num_intrinsics];
-}
-
-std::string AMDGPUIntrinsicInfo::getName(unsigned IntrID, Type **Tys,
-                                         unsigned NumTys) const {
-  return getName(IntrID, makeArrayRef(Tys, NumTys)).str();
-}
-
-FunctionType *AMDGPUIntrinsicInfo::getType(LLVMContext &Context, unsigned ID,
-                                           ArrayRef<Type*> Tys) const {
-  // FIXME: Re-use Intrinsic::getType machinery
-  llvm_unreachable("unhandled intrinsic");
-}
-
-unsigned AMDGPUIntrinsicInfo::lookupName(const char *NameData,
-                                         unsigned Len) const {
-  StringRef Name(NameData, Len);
-  if (!Name.startswith("llvm."))
-    return 0; // All intrinsics start with 'llvm.'
-
-  // Look for a name match in our table.  If the intrinsic is not overloaded,
-  // require an exact match. If it is overloaded, require a prefix match. The
-  // AMDGPU enum enum starts at Intrinsic::num_intrinsics.
-  int Idx = Intrinsic::lookupLLVMIntrinsicByName(IntrinsicNameTable, Name);
-  if (Idx >= 0) {
-    bool IsPrefixMatch = Name.size() > strlen(IntrinsicNameTable[Idx]);
-    return IsPrefixMatch == isOverloaded(Idx + 1)
-               ? Intrinsic::num_intrinsics + Idx
-               : 0;
-  }
-
-  return 0;
-}
-
-bool AMDGPUIntrinsicInfo::isOverloaded(unsigned id) const {
-// Overload Table
-#define GET_INTRINSIC_OVERLOAD_TABLE
-#include "AMDGPUGenIntrinsicImpl.inc"
-#undef GET_INTRINSIC_OVERLOAD_TABLE
-}
-
-Function *AMDGPUIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
-                                              ArrayRef<Type *> Tys) const {
-  FunctionType *FTy = getType(M->getContext(), IntrID, Tys);
-  Function *F
-    = cast<Function>(M->getOrInsertFunction(getName(IntrID, Tys), FTy));
-
-  AttributeList AS =
-      getAttributes(M->getContext(), static_cast<SIIntrinsic::ID>(IntrID));
-  F->setAttributes(AS);
-  return F;
-}
-
-Function *AMDGPUIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
-                                              Type **Tys,
-                                              unsigned NumTys) const {
-  return getDeclaration(M, IntrID, makeArrayRef(Tys, NumTys));
-}
diff --git a/lib/Target/AMDGPU/AMDGPUIntrinsicInfo.h b/lib/Target/AMDGPU/AMDGPUIntrinsicInfo.h
deleted file mode 100644
index a1a094d..0000000
--- a/lib/Target/AMDGPU/AMDGPUIntrinsicInfo.h
+++ /dev/null
@@ -1,58 +0,0 @@
-//===- AMDGPUIntrinsicInfo.h - AMDGPU Intrinsic Information ------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//==-----------------------------------------------------------------------===//
-//
-/// \file
-/// Interface for the AMDGPU Implementation of the Intrinsic Info class.
-//
-//===-----------------------------------------------------------------------===//
-#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUINTRINSICINFO_H
-#define LLVM_LIB_TARGET_AMDGPU_AMDGPUINTRINSICINFO_H
-
-#include "llvm/IR/Intrinsics.h"
-#include "llvm/Target/TargetIntrinsicInfo.h"
-
-namespace llvm {
-class TargetMachine;
-
-namespace SIIntrinsic {
-enum ID {
-  last_non_AMDGPU_intrinsic = Intrinsic::num_intrinsics - 1,
-#define GET_INTRINSIC_ENUM_VALUES
-#include "AMDGPUGenIntrinsicEnums.inc"
-#undef GET_INTRINSIC_ENUM_VALUES
-      , num_AMDGPU_intrinsics
-};
-
-} // end namespace AMDGPUIntrinsic
-
-class AMDGPUIntrinsicInfo final : public TargetIntrinsicInfo {
-public:
-  AMDGPUIntrinsicInfo();
-
-  StringRef getName(unsigned IntrId, ArrayRef<Type *> Tys = None) const;
-
-  std::string getName(unsigned IntrId, Type **Tys = nullptr,
-                      unsigned NumTys = 0) const override;
-
-  unsigned lookupName(const char *Name, unsigned Len) const override;
-  bool isOverloaded(unsigned IID) const override;
-  Function *getDeclaration(Module *M, unsigned ID,
-                           Type **Tys = nullptr,
-                           unsigned NumTys = 0) const override;
-
-  Function *getDeclaration(Module *M, unsigned ID,
-                           ArrayRef<Type *> = None) const;
-
-  FunctionType *getType(LLVMContext &Context, unsigned ID,
-                        ArrayRef<Type*> Tys = None) const;
-};
-
-} // end namespace llvm
-
-#endif
diff --git a/lib/Target/AMDGPU/AMDGPUTargetMachine.h b/lib/Target/AMDGPU/AMDGPUTargetMachine.h
index 62fbe71..fe1d03e 100644
--- a/lib/Target/AMDGPU/AMDGPUTargetMachine.h
+++ b/lib/Target/AMDGPU/AMDGPUTargetMachine.h
@@ -15,7 +15,6 @@
 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
 
-#include "AMDGPUIntrinsicInfo.h"
 #include "AMDGPUSubtarget.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringMap.h"
@@ -95,7 +94,6 @@
 
 class GCNTargetMachine final : public AMDGPUTargetMachine {
 private:
-  AMDGPUIntrinsicInfo IntrinsicInfo;
   mutable StringMap<std::unique_ptr<GCNSubtarget>> SubtargetMap;
 
 public:
@@ -110,10 +108,6 @@
 
   TargetTransformInfo getTargetTransformInfo(const Function &F) override;
 
-  const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
-    return &IntrinsicInfo;
-  }
-
   bool useIPRA() const override {
     return true;
   }
diff --git a/lib/Target/AMDGPU/CMakeLists.txt b/lib/Target/AMDGPU/CMakeLists.txt
index 3933117..66f677f 100644
--- a/lib/Target/AMDGPU/CMakeLists.txt
+++ b/lib/Target/AMDGPU/CMakeLists.txt
@@ -45,7 +45,6 @@
   AMDGPUHSAMetadataStreamer.cpp
   AMDGPUInstrInfo.cpp
   AMDGPUInstructionSelector.cpp
-  AMDGPUIntrinsicInfo.cpp
   AMDGPUISelDAGToDAG.cpp
   AMDGPUISelLowering.cpp
   AMDGPULegalizerInfo.cpp
diff --git a/lib/Target/AMDGPU/SIISelLowering.cpp b/lib/Target/AMDGPU/SIISelLowering.cpp
index a6af495..9ba4e17 100644
--- a/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -19,7 +19,6 @@
 
 #include "SIISelLowering.h"
 #include "AMDGPU.h"
-#include "AMDGPUIntrinsicInfo.h"
 #include "AMDGPUSubtarget.h"
 #include "AMDGPUTargetMachine.h"
 #include "SIDefines.h"
@@ -5267,12 +5266,6 @@
     return loadInputValue(DAG, &AMDGPU::VGPR_32RegClass, MVT::i32,
                           SDLoc(DAG.getEntryNode()),
                           MFI->getArgInfo().WorkItemIDZ);
-  case SIIntrinsic::SI_load_const: {
-    SDValue Load =
-        lowerSBuffer(MVT::i32, DL, Op.getOperand(1), Op.getOperand(2),
-                     DAG.getTargetConstant(0, DL, MVT::i1), DAG);
-    return DAG.getNode(ISD::BITCAST, DL, MVT::f32, Load);
-  }
   case Intrinsic::amdgcn_s_buffer_load: {
     unsigned Cache = cast<ConstantSDNode>(Op.getOperand(3))->getZExtValue();
     return lowerSBuffer(VT, DL, Op.getOperand(1), Op.getOperand(2),
diff --git a/lib/Target/AMDGPU/SIInstrInfo.cpp b/lib/Target/AMDGPU/SIInstrInfo.cpp
index 7f7f180..c6beb9e 100644
--- a/lib/Target/AMDGPU/SIInstrInfo.cpp
+++ b/lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -14,7 +14,6 @@
 
 #include "SIInstrInfo.h"
 #include "AMDGPU.h"
-#include "AMDGPUIntrinsicInfo.h"
 #include "AMDGPUSubtarget.h"
 #include "GCNHazardRecognizer.h"
 #include "SIDefines.h"
diff --git a/lib/Target/AMDGPU/SIIntrinsics.td b/lib/Target/AMDGPU/SIIntrinsics.td
deleted file mode 100644
index e51ff4b..0000000
--- a/lib/Target/AMDGPU/SIIntrinsics.td
+++ /dev/null
@@ -1,19 +0,0 @@
-//===-- SIIntrinsics.td - SI Intrinsic defs ----------------*- tablegen -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Backend internal SI Intrinsic Definitions. User code should not
-// directly use these.
-//
-//===----------------------------------------------------------------------===//
-
-
-let TargetPrefix = "SI", isTarget = 1 in {
-  def int_SI_load_const : Intrinsic <[llvm_float_ty], [llvm_anyint_ty, llvm_i32_ty], [IntrNoMem]>;
-
-} // End TargetPrefix = "SI", isTarget = 1