[clang] [llvm] [llvm][opt][Transforms][SPIR-V] Enable `InferAddressSpaces` for SPIR-V (PR #110897)

Alex Voicu via cfe-commits cfe-commits at lists.llvm.org
Wed Nov 27 18:39:53 PST 2024


https://github.com/AlexVlx updated https://github.com/llvm/llvm-project/pull/110897

>From 9f3cac44dde7d0adcf6cd090c0b91f57cb1c4dca Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Wed, 2 Oct 2024 11:18:36 +0100
Subject: [PATCH 1/8] Enable `InferAddressSpaces` for SPIR-V.

---
 .../amdgpu-kernel-arg-pointer-type.cu         |  62 ++---
 llvm/lib/Target/SPIRV/CMakeLists.txt          |   2 +
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp  |  92 +++++++
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.h    |   7 +
 .../Target/SPIRV/SPIRVTargetTransformInfo.h   |   4 +
 .../SPIRV/assumed-addrspace.ll                |  31 +++
 .../InferAddressSpaces/SPIRV/basic.ll         | 236 ++++++++++++++++++
 .../SPIRV/infer-address-space.ll              | 211 ++++++++++++++++
 .../SPIRV/infer-addrspacecast.ll              |  65 +++++
 .../SPIRV/infer-getelementptr.ll              | 108 ++++++++
 .../SPIRV/insert-pos-assert.ll                | 158 ++++++++++++
 .../InferAddressSpaces/SPIRV/is.constant.ll   |  57 +++++
 .../InferAddressSpaces/SPIRV/lit.local.cfg    |   2 +
 .../SPIRV/mem-intrinsics.ll                   | 145 +++++++++++
 .../SPIRV/multiple-uses-of-val.ll             |  70 ++++++
 .../InferAddressSpaces/SPIRV/prefetch.ll      |  60 +++++
 .../preserving-debugloc-addrspacecast.ll      |  48 ++++
 .../SPIRV/redundant-addrspacecast.ll          |  28 +++
 .../InferAddressSpaces/SPIRV/self-phi.ll      |  29 +++
 .../InferAddressSpaces/SPIRV/volatile.ll      | 187 ++++++++++++++
 20 files changed, 1567 insertions(+), 35 deletions(-)
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/basic.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-address-space.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/lit.local.cfg
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll
 create mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll

diff --git a/clang/test/CodeGenCUDA/amdgpu-kernel-arg-pointer-type.cu b/clang/test/CodeGenCUDA/amdgpu-kernel-arg-pointer-type.cu
index b295bbbdaaf955..15c8b46d278ea1 100644
--- a/clang/test/CodeGenCUDA/amdgpu-kernel-arg-pointer-type.cu
+++ b/clang/test/CodeGenCUDA/amdgpu-kernel-arg-pointer-type.cu
@@ -58,13 +58,11 @@
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel1Pi(
-// OPT-SPIRV-SAME: ptr addrspace(1) noundef [[X_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0:[0-9]+]] {
+// OPT-SPIRV-SAME: ptr addrspace(1) nocapture noundef [[X_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0:[0-9]+]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
-// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = ptrtoint ptr addrspace(1) [[X_COERCE]] to i64
-// OPT-SPIRV-NEXT:    [[TMP1:%.*]] = inttoptr i64 [[TMP0]] to ptr addrspace(4)
-// OPT-SPIRV-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[TMP1]], align 4
-// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP2]], 1
-// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(4) [[TMP1]], align 4
+// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(1) [[X_COERCE]], align 4
+// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP0]], 1
+// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(1) [[X_COERCE]], align 4
 // OPT-SPIRV-NEXT:    ret void
 //
 // HOST-LABEL: define dso_local void @_Z22__device_stub__kernel1Pi(
@@ -126,13 +124,11 @@ __global__ void kernel1(int *x) {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel2Ri(
-// OPT-SPIRV-SAME: ptr addrspace(1) noundef align 4 dereferenceable(4) [[X_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
+// OPT-SPIRV-SAME: ptr addrspace(1) nocapture noundef align 4 dereferenceable(4) [[X_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
-// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = ptrtoint ptr addrspace(1) [[X_COERCE]] to i64
-// OPT-SPIRV-NEXT:    [[TMP1:%.*]] = inttoptr i64 [[TMP0]] to ptr addrspace(4)
-// OPT-SPIRV-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[TMP1]], align 4
-// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP2]], 1
-// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(4) [[TMP1]], align 4
+// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(1) [[X_COERCE]], align 4
+// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP0]], 1
+// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(1) [[X_COERCE]], align 4
 // OPT-SPIRV-NEXT:    ret void
 //
 // HOST-LABEL: define dso_local void @_Z22__device_stub__kernel2Ri(
@@ -195,7 +191,7 @@ __global__ void kernel2(int &x) {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel3PU3AS2iPU3AS1i(
-// OPT-SPIRV-SAME: ptr addrspace(2) nocapture noundef readonly [[X:%.*]], ptr addrspace(1) nocapture noundef writeonly [[Y:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR1:[0-9]+]] {
+// OPT-SPIRV-SAME: ptr addrspace(2) nocapture noundef readonly [[X:%.*]], ptr addrspace(1) nocapture noundef writeonly [[Y:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
 // OPT-SPIRV-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(2) [[X]], align 4
 // OPT-SPIRV-NEXT:    store i32 [[TMP0]], ptr addrspace(1) [[Y]], align 4
@@ -261,7 +257,7 @@ __global__ void kernel3(__attribute__((address_space(2))) int *x,
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_func void @_Z4funcPi(
-// OPT-SPIRV-SAME: ptr addrspace(4) nocapture noundef [[X:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR2:[0-9]+]] {
+// OPT-SPIRV-SAME: ptr addrspace(4) nocapture noundef [[X:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR1:[0-9]+]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
 // OPT-SPIRV-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(4) [[X]], align 4
 // OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP0]], 1
@@ -343,7 +339,7 @@ struct S {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel41S(
-// OPT-SPIRV-SAME: [[STRUCT_S:%.*]] [[S_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
+// OPT-SPIRV-SAME: [[STRUCT_S:%.*]] [[S_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR2:[0-9]+]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
 // OPT-SPIRV-NEXT:    [[TMP0:%.*]] = extractvalue [[STRUCT_S]] [[S_COERCE]], 0
 // OPT-SPIRV-NEXT:    [[TMP1:%.*]] = extractvalue [[STRUCT_S]] [[S_COERCE]], 1
@@ -446,19 +442,17 @@ __global__ void kernel4(struct S s) {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel5P1S(
-// OPT-SPIRV-SAME: ptr addrspace(1) noundef [[S_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
+// OPT-SPIRV-SAME: ptr addrspace(1) nocapture noundef readonly [[S_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR2]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
-// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = ptrtoint ptr addrspace(1) [[S_COERCE]] to i64
-// OPT-SPIRV-NEXT:    [[TMP1:%.*]] = inttoptr i64 [[TMP0]] to ptr addrspace(4)
-// OPT-SPIRV-NEXT:    [[TMP2:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[TMP1]], align 8
-// OPT-SPIRV-NEXT:    [[TMP3:%.*]] = load i32, ptr addrspace(4) [[TMP2]], align 4
-// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP3]], 1
-// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(4) [[TMP2]], align 4
-// OPT-SPIRV-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw i8, ptr addrspace(4) [[TMP1]], i64 8
-// OPT-SPIRV-NEXT:    [[TMP4:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[Y]], align 8
-// OPT-SPIRV-NEXT:    [[TMP5:%.*]] = load float, ptr addrspace(4) [[TMP4]], align 4
-// OPT-SPIRV-NEXT:    [[ADD:%.*]] = fadd contract float [[TMP5]], 1.000000e+00
-// OPT-SPIRV-NEXT:    store float [[ADD]], ptr addrspace(4) [[TMP4]], align 4
+// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = load ptr addrspace(4), ptr addrspace(1) [[S_COERCE]], align 8
+// OPT-SPIRV-NEXT:    [[TMP1:%.*]] = load i32, ptr addrspace(4) [[TMP0]], align 4
+// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP1]], 1
+// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(4) [[TMP0]], align 4
+// OPT-SPIRV-NEXT:    [[Y:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[S_COERCE]], i64 8
+// OPT-SPIRV-NEXT:    [[TMP2:%.*]] = load ptr addrspace(4), ptr addrspace(1) [[Y]], align 8
+// OPT-SPIRV-NEXT:    [[TMP3:%.*]] = load float, ptr addrspace(4) [[TMP2]], align 4
+// OPT-SPIRV-NEXT:    [[ADD:%.*]] = fadd contract float [[TMP3]], 1.000000e+00
+// OPT-SPIRV-NEXT:    store float [[ADD]], ptr addrspace(4) [[TMP2]], align 4
 // OPT-SPIRV-NEXT:    ret void
 //
 // HOST-LABEL: define dso_local void @_Z22__device_stub__kernel5P1S(
@@ -551,7 +545,7 @@ struct T {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel61T(
-// OPT-SPIRV-SAME: [[STRUCT_T:%.*]] [[T_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
+// OPT-SPIRV-SAME: [[STRUCT_T:%.*]] [[T_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR2]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
 // OPT-SPIRV-NEXT:    [[TMP0:%.*]] = extractvalue [[STRUCT_T]] [[T_COERCE]], 0
 // OPT-SPIRV-NEXT:    [[DOTFCA_0_EXTRACT:%.*]] = extractvalue [2 x ptr addrspace(4)] [[TMP0]], 0
@@ -631,13 +625,11 @@ __global__ void kernel6(struct T t) {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel7Pi(
-// OPT-SPIRV-SAME: ptr addrspace(1) noalias noundef [[X_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
+// OPT-SPIRV-SAME: ptr addrspace(1) noalias nocapture noundef [[X_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
-// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = ptrtoint ptr addrspace(1) [[X_COERCE]] to i64
-// OPT-SPIRV-NEXT:    [[TMP1:%.*]] = inttoptr i64 [[TMP0]] to ptr addrspace(4)
-// OPT-SPIRV-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[TMP1]], align 4
-// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP2]], 1
-// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(4) [[TMP1]], align 4
+// OPT-SPIRV-NEXT:    [[TMP0:%.*]] = load i32, ptr addrspace(1) [[X_COERCE]], align 4
+// OPT-SPIRV-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP0]], 1
+// OPT-SPIRV-NEXT:    store i32 [[INC]], ptr addrspace(1) [[X_COERCE]], align 4
 // OPT-SPIRV-NEXT:    ret void
 //
 // HOST-LABEL: define dso_local void @_Z22__device_stub__kernel7Pi(
@@ -700,7 +692,7 @@ struct SS {
 // OPT-NEXT:    ret void
 //
 // OPT-SPIRV-LABEL: define spir_kernel void @_Z7kernel82SS(
-// OPT-SPIRV-SAME: [[STRUCT_SS:%.*]] [[A_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR0]] {
+// OPT-SPIRV-SAME: [[STRUCT_SS:%.*]] [[A_COERCE:%.*]]) local_unnamed_addr addrspace(4) #[[ATTR2]] {
 // OPT-SPIRV-NEXT:  [[ENTRY:.*:]]
 // OPT-SPIRV-NEXT:    [[TMP0:%.*]] = extractvalue [[STRUCT_SS]] [[A_COERCE]], 0
 // OPT-SPIRV-NEXT:    [[TMP1:%.*]] = load float, ptr addrspace(4) [[TMP0]], align 4
diff --git a/llvm/lib/Target/SPIRV/CMakeLists.txt b/llvm/lib/Target/SPIRV/CMakeLists.txt
index 326343ae278148..0ae292498e4636 100644
--- a/llvm/lib/Target/SPIRV/CMakeLists.txt
+++ b/llvm/lib/Target/SPIRV/CMakeLists.txt
@@ -52,6 +52,8 @@ add_llvm_target(SPIRVCodeGen
   Core
   Demangle
   GlobalISel
+  Passes
+  Scalar
   SPIRVAnalysis
   MC
   SPIRVDesc
diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index e5384b2eb2c2c1..91bcd68813fc55 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -26,9 +26,15 @@
 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/InitializePasses.h"
+#include "llvm/IR/IntrinsicsAMDGPU.h"
+#include "llvm/IR/PatternMatch.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Pass.h"
+#include "llvm/Passes/OptimizationLevel.h"
+#include "llvm/Passes/PassBuilder.h"
 #include "llvm/Target/TargetOptions.h"
+#include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/Scalar/InferAddressSpaces.h"
 #include "llvm/Transforms/Utils.h"
 #include <optional>
 
@@ -91,6 +97,89 @@ SPIRVTargetMachine::SPIRVTargetMachine(const Target &T, const Triple &TT,
   setRequiresStructuredCFG(false);
 }
 
+namespace {
+  enum AddressSpace {
+    Function = storageClassToAddressSpace(SPIRV::StorageClass::Function),
+    CrossWorkgroup =
+        storageClassToAddressSpace(SPIRV::StorageClass::CrossWorkgroup),
+    UniformConstant =
+        storageClassToAddressSpace(SPIRV::StorageClass::UniformConstant),
+    Workgroup = storageClassToAddressSpace(SPIRV::StorageClass::Workgroup),
+    Generic = storageClassToAddressSpace(SPIRV::StorageClass::Generic)
+  };
+}
+
+unsigned SPIRVTargetMachine::getAssumedAddrSpace(const Value *V) const {
+  const auto *LD = dyn_cast<LoadInst>(V);
+  if (!LD)
+    return UINT32_MAX;
+
+  // It must be a load from a pointer to Generic.
+  assert(V->getType()->isPointerTy() &&
+         V->getType()->getPointerAddressSpace() == AddressSpace::Generic);
+
+  const auto *Ptr = LD->getPointerOperand();
+  if (Ptr->getType()->getPointerAddressSpace() != AddressSpace::UniformConstant)
+    return UINT32_MAX;
+  // For a loaded from a pointer to UniformConstant, we can infer CrossWorkgroup
+  // storage, as this could only have been legally initialised with a
+  // CrossWorkgroup (aka device) constant pointer.
+  return AddressSpace::CrossWorkgroup;
+}
+
+std::pair<const Value *, unsigned>
+SPIRVTargetMachine::getPredicatedAddrSpace(const Value *V) const {
+  using namespace PatternMatch;
+
+  if (auto *II = dyn_cast<IntrinsicInst>(V)) {
+    switch (II->getIntrinsicID()) {
+    case Intrinsic::amdgcn_is_shared:
+      return std::pair(II->getArgOperand(0), AddressSpace::Workgroup);
+    case Intrinsic::amdgcn_is_private:
+      return std::pair(II->getArgOperand(0), AddressSpace::Function);
+    default:
+      break;
+    }
+    return std::pair(nullptr, UINT32_MAX);
+  }
+  // Check the global pointer predication based on
+  // (!is_share(p) && !is_private(p)). Note that logic 'and' is commutative and
+  // the order of 'is_shared' and 'is_private' is not significant.
+  Value *Ptr;
+  if (getTargetTriple().getVendor() == Triple::VendorType::AMD &&
+      match(
+        const_cast<Value *>(V),
+        m_c_And(m_Not(m_Intrinsic<Intrinsic::amdgcn_is_shared>(m_Value(Ptr))),
+                m_Not(m_Intrinsic<Intrinsic::amdgcn_is_private>(m_Deferred(Ptr))))))
+    return std::pair(Ptr, AddressSpace::CrossWorkgroup);
+
+  return std::pair(nullptr, UINT32_MAX);
+}
+
+bool SPIRVTargetMachine::isNoopAddrSpaceCast(unsigned SrcAS,
+                                             unsigned DestAS) const {
+  if (SrcAS != AddressSpace::Generic && SrcAS != AddressSpace::CrossWorkgroup)
+    return false;
+  return DestAS == AddressSpace::Generic ||
+         DestAS == AddressSpace::CrossWorkgroup;
+}
+
+void SPIRVTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
+  PB.registerCGSCCOptimizerLateEPCallback([](CGSCCPassManager &PM,
+                                             OptimizationLevel Level) {
+    if (Level == OptimizationLevel::O0)
+      return;
+
+    FunctionPassManager FPM;
+
+    // Add infer address spaces pass to the opt pipeline after inlining
+    // but before SROA to increase SROA opportunities.
+    FPM.addPass(InferAddressSpacesPass(AddressSpace::Generic));
+
+    PM.addPass(createCGSCCToFunctionPassAdaptor(std::move(FPM)));
+  });
+}
+
 namespace {
 // SPIR-V Code Generator Pass Configuration Options.
 class SPIRVPassConfig : public TargetPassConfig {
@@ -178,6 +267,9 @@ void SPIRVPassConfig::addIRPasses() {
     addPass(createSPIRVStructurizerPass());
   }
 
+  if (TM.getOptLevel() > CodeGenOptLevel::None)
+    addPass(createInferAddressSpacesPass(AddressSpace::Generic));
+
   addPass(createSPIRVRegularizerPass());
   addPass(createSPIRVPrepareFunctionsPass(TM));
   addPass(createSPIRVStripConvergenceIntrinsicsPass());
diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h
index a1a9f26846153b..24b09febb9d184 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h
@@ -43,6 +43,13 @@ class SPIRVTargetMachine : public LLVMTargetMachine {
   TargetLoweringObjectFile *getObjFileLowering() const override {
     return TLOF.get();
   }
+
+  unsigned getAssumedAddrSpace(const Value *V) const override;
+  std::pair<const Value *, unsigned>
+  getPredicatedAddrSpace(const Value *V) const override;
+  bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DstAS) const override;
+
+  void registerPassBuilderCallbacks(PassBuilder &PB) override;
 };
 } // namespace llvm
 
diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h b/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h
index 24047f31fab290..295c0ceeade839 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h
@@ -39,6 +39,10 @@ class SPIRVTTIImpl : public BasicTTIImplBase<SPIRVTTIImpl> {
       : BaseT(TM, F.getDataLayout()), ST(TM->getSubtargetImpl(F)),
         TLI(ST->getTargetLowering()) {}
 
+  unsigned getFlatAddressSpace() const {
+    return storageClassToAddressSpace(SPIRV::StorageClass::Generic);
+  }
+
   TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth) {
     // SPIR-V natively supports OpBitcount, per 3.53.14 in the spec, as such it
     // is reasonable to assume the Op is fast / preferable to the expanded loop.
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll
new file mode 100644
index 00000000000000..9b65ff44f288f2
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll
@@ -0,0 +1,31 @@
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces -o - %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces -o - %s | FileCheck %s
+
+ at c0 = addrspace(2) global ptr undef
+
+; CHECK-LABEL: @generic_ptr_from_constant
+; CHECK: addrspacecast ptr addrspace(4) %p to ptr addrspace(1)
+; CHECK-NEXT: load float, ptr addrspace(1)
+define spir_func float @generic_ptr_from_constant() {
+  %p = load ptr addrspace(4), ptr addrspace(2) @c0
+  %v = load float, ptr addrspace(4) %p
+  ret float %v
+}
+
+%struct.S = type { ptr addrspace(4), ptr addrspace(4) }
+
+; CHECK-LABEL: @generic_ptr_from_aggregate_argument
+; CHECK: addrspacecast ptr addrspace(4) %p0 to ptr addrspace(1)
+; CHECK: addrspacecast ptr addrspace(4) %p1 to ptr addrspace(1)
+; CHECK: load i32, ptr addrspace(1)
+; CHECK: store float %v1, ptr addrspace(1)
+; CHECK: ret
+define spir_kernel void @generic_ptr_from_aggregate_argument(ptr addrspace(2) byval(%struct.S) align 8 %0) {
+  %p0 = load ptr addrspace(4), ptr addrspace(2) %0
+  %f1 = getelementptr inbounds %struct.S, ptr addrspace(2) %0, i64 0, i32 1
+  %p1 = load ptr addrspace(4), ptr addrspace(2) %f1
+  %v0 = load i32, ptr addrspace(4) %p0
+  %v1 = sitofp i32 %v0 to float
+  store float %v1, ptr addrspace(4) %p1
+  ret void
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/basic.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/basic.ll
new file mode 100644
index 00000000000000..75b23aa30349af
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/basic.ll
@@ -0,0 +1,236 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+; Trivial optimization of generic addressing
+
+define float @load_global_from_flat(ptr addrspace(4) %generic_scalar) #0 {
+; CHECK-LABEL: define float @load_global_from_flat(
+; CHECK-SAME: ptr addrspace(4) [[GENERIC_SCALAR:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[GENERIC_SCALAR]] to ptr addrspace(1)
+; CHECK-NEXT:    [[TMP1:%.*]] = load float, ptr addrspace(1) [[TMP0]], align 4
+; CHECK-NEXT:    ret float [[TMP1]]
+;
+  %tmp0 = addrspacecast ptr addrspace(4) %generic_scalar to ptr addrspace(1)
+  %tmp1 = load float, ptr addrspace(1) %tmp0
+  ret float %tmp1
+}
+
+define float @load_group_from_flat(ptr addrspace(4) %generic_scalar) #0 {
+; CHECK-LABEL: define float @load_group_from_flat(
+; CHECK-SAME: ptr addrspace(4) [[GENERIC_SCALAR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[GENERIC_SCALAR]] to ptr addrspace(3)
+; CHECK-NEXT:    [[TMP1:%.*]] = load float, ptr addrspace(3) [[TMP0]], align 4
+; CHECK-NEXT:    ret float [[TMP1]]
+;
+  %tmp0 = addrspacecast ptr addrspace(4) %generic_scalar to ptr addrspace(3)
+  %tmp1 = load float, ptr addrspace(3) %tmp0
+  ret float %tmp1
+}
+
+define float @load_private_from_flat(ptr addrspace(4) %generic_scalar) #0 {
+; CHECK-LABEL: define float @load_private_from_flat(
+; CHECK-SAME: ptr addrspace(4) [[GENERIC_SCALAR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[GENERIC_SCALAR]] to ptr
+; CHECK-NEXT:    [[TMP1:%.*]] = load float, ptr [[TMP0]], align 4
+; CHECK-NEXT:    ret float [[TMP1]]
+;
+  %tmp0 = addrspacecast ptr addrspace(4) %generic_scalar to ptr
+  %tmp1 = load float, ptr %tmp0
+  ret float %tmp1
+}
+
+define spir_kernel void @store_global_from_flat(ptr addrspace(4) %generic_scalar) #0 {
+; CHECK-LABEL: define spir_kernel void @store_global_from_flat(
+; CHECK-SAME: ptr addrspace(4) [[GENERIC_SCALAR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[GENERIC_SCALAR]] to ptr addrspace(1)
+; CHECK-NEXT:    store float 0.000000e+00, ptr addrspace(1) [[TMP0]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(4) %generic_scalar to ptr addrspace(1)
+  store float 0.0, ptr addrspace(1) %tmp0
+  ret void
+}
+
+define spir_kernel void @store_group_from_flat(ptr addrspace(4) %generic_scalar) #0 {
+; CHECK-LABEL: define spir_kernel void @store_group_from_flat(
+; CHECK-SAME: ptr addrspace(4) [[GENERIC_SCALAR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[GENERIC_SCALAR]] to ptr addrspace(3)
+; CHECK-NEXT:    store float 0.000000e+00, ptr addrspace(3) [[TMP0]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(4) %generic_scalar to ptr addrspace(3)
+  store float 0.0, ptr addrspace(3) %tmp0
+  ret void
+}
+
+define spir_kernel void @store_private_from_flat(ptr addrspace(4) %generic_scalar) #0 {
+; CHECK-LABEL: define spir_kernel void @store_private_from_flat(
+; CHECK-SAME: ptr addrspace(4) [[GENERIC_SCALAR:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[GENERIC_SCALAR]] to ptr
+; CHECK-NEXT:    store float 0.000000e+00, ptr [[TMP0]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(4) %generic_scalar to ptr
+  store float 0.0, ptr %tmp0
+  ret void
+}
+
+define spir_kernel void @load_store_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @load_store_global(
+; CHECK-SAME: ptr addrspace(1) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(1) [[INPUT]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(1) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
+  %val = load i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @load_store_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @load_store_group(
+; CHECK-SAME: ptr addrspace(3) nocapture [[INPUT:%.*]], ptr addrspace(3) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(3) [[INPUT]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(3) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(3) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(3) %output to ptr addrspace(4)
+  %val = load i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @load_store_private(ptr nocapture %input, ptr nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @load_store_private(
+; CHECK-SAME: ptr nocapture [[INPUT:%.*]], ptr nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr [[INPUT]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr %output to ptr addrspace(4)
+  %val = load i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @load_store_flat(ptr addrspace(4) nocapture %input, ptr addrspace(4) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @load_store_flat(
+; CHECK-SAME: ptr addrspace(4) nocapture [[INPUT:%.*]], ptr addrspace(4) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(4) [[INPUT]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(4) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %val = load i32, ptr addrspace(4) %input, align 4
+  store i32 %val, ptr addrspace(4) %output, align 4
+  ret void
+}
+
+define spir_kernel void @store_addrspacecast_ptr_value(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @store_addrspacecast_ptr_value(
+; CHECK-SAME: ptr addrspace(1) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[INPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    store ptr addrspace(4) [[CAST]], ptr addrspace(1) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
+  store ptr addrspace(4) %cast, ptr addrspace(1) %output, align 4
+  ret void
+}
+
+define i32 @atomicrmw_add_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
+; CHECK-LABEL: define i32 @atomicrmw_add_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[RET:%.*]] = atomicrmw add ptr addrspace(1) [[GLOBAL_PTR]], i32 [[Y]] seq_cst, align 4
+; CHECK-NEXT:    ret i32 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  %ret = atomicrmw add ptr addrspace(4) %cast, i32 %y seq_cst
+  ret i32 %ret
+}
+
+define i32 @atomicrmw_add_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
+; CHECK-LABEL: define i32 @atomicrmw_add_group_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[RET:%.*]] = atomicrmw add ptr addrspace(3) [[GROUP_PTR]], i32 [[Y]] seq_cst, align 4
+; CHECK-NEXT:    ret i32 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  %ret = atomicrmw add ptr addrspace(4) %cast, i32 %y seq_cst
+  ret i32 %ret
+}
+
+define { i32, i1 } @cmpxchg_global_to_flat(ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val) #0 {
+; CHECK-LABEL: define { i32, i1 } @cmpxchg_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[CMP:%.*]], i32 [[VAL:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[RET:%.*]] = cmpxchg ptr addrspace(1) [[GLOBAL_PTR]], i32 [[CMP]], i32 [[VAL]] seq_cst monotonic, align 4
+; CHECK-NEXT:    ret { i32, i1 } [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  %ret = cmpxchg ptr addrspace(4) %cast, i32 %cmp, i32 %val seq_cst monotonic
+  ret { i32, i1 } %ret
+}
+
+define { i32, i1 } @cmpxchg_group_to_flat(ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val) #0 {
+; CHECK-LABEL: define { i32, i1 } @cmpxchg_group_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[CMP:%.*]], i32 [[VAL:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[RET:%.*]] = cmpxchg ptr addrspace(3) [[GROUP_PTR]], i32 [[CMP]], i32 [[VAL]] seq_cst monotonic, align 4
+; CHECK-NEXT:    ret { i32, i1 } [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  %ret = cmpxchg ptr addrspace(4) %cast, i32 %cmp, i32 %val seq_cst monotonic
+  ret { i32, i1 } %ret
+}
+
+define { ptr addrspace(4), i1 } @cmpxchg_group_to_flat_wrong_operand(ptr addrspace(3) %cas.ptr, ptr addrspace(3) %cmp.ptr, ptr addrspace(4) %val) #0 {
+  %cast.cmp = addrspacecast ptr addrspace(3) %cmp.ptr to ptr addrspace(4)
+  %ret = cmpxchg ptr addrspace(3) %cas.ptr, ptr addrspace(4) %cast.cmp, ptr addrspace(4) %val seq_cst monotonic
+  ret { ptr addrspace(4), i1 } %ret
+}
+
+define void @local_nullptr(ptr addrspace(1) nocapture %results, ptr addrspace(3) %a) {
+; CHECK-LABEL: define void @local_nullptr(
+; CHECK-SAME: ptr addrspace(1) nocapture [[RESULTS:%.*]], ptr addrspace(3) [[A:%.*]]) {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp ne ptr addrspace(3) [[A]], addrspacecast (ptr null to ptr addrspace(3))
+; CHECK-NEXT:    [[CONV:%.*]] = zext i1 [[TOBOOL]] to i32
+; CHECK-NEXT:    store i32 [[CONV]], ptr addrspace(1) [[RESULTS]], align 4
+; CHECK-NEXT:    ret void
+;
+entry:
+  %tobool = icmp ne ptr addrspace(3) %a, addrspacecast (ptr null to ptr addrspace(3))
+  %conv = zext i1 %tobool to i32
+  store i32 %conv, ptr addrspace(1) %results, align 4
+  ret void
+}
+
+define i32 @atomicrmw_add_global_to_flat_preserve_amdgpu_md(ptr addrspace(1) %global.ptr, i32 %y) #0 {
+; CHECK-LABEL: define i32 @atomicrmw_add_global_to_flat_preserve_amdgpu_md(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[RET:%.*]] = atomicrmw add ptr addrspace(1) [[GLOBAL_PTR]], i32 [[Y]] seq_cst, align 4, !amdgpu.no.fine.grained.memory [[META0:![0-9]+]], !amdgpu.no.remote.memory [[META0]]
+; CHECK-NEXT:    ret i32 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  %ret = atomicrmw add ptr addrspace(4) %cast, i32 %y seq_cst, align 4, !amdgpu.no.fine.grained.memory !0, !amdgpu.no.remote.memory !0
+  ret i32 %ret
+}
+
+define ptr addrspace(4) @try_infer_getelementptr_constant_null() {
+; CHECK-LABEL: define ptr addrspace(4) @try_infer_getelementptr_constant_null() {
+; CHECK-NEXT:    [[CE:%.*]] = getelementptr i8, ptr addrspace(4) getelementptr inbounds (i8, ptr addrspace(4) null, i64 8), i64 0
+; CHECK-NEXT:    ret ptr addrspace(4) [[CE]]
+;
+  %ce = getelementptr i8, ptr addrspace(4) getelementptr inbounds (i8, ptr addrspace(4) null, i64 8), i64 0
+  ret ptr addrspace(4) %ce
+}
+
+attributes #0 = { nounwind }
+
+!0 = !{}
+;.
+; CHECK: [[META0]] = !{}
+;.
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-address-space.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-address-space.ll
new file mode 100644
index 00000000000000..7de9557a9ee902
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-address-space.ll
@@ -0,0 +1,211 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv64-amd-amdhsa -passes=infer-address-spaces %s | FileCheck %s
+; Ports of most of test/CodeGen/NVPTX/access-non-generic.ll
+
+ at scalar = internal addrspace(3) global float 0.0, align 4
+ at array = internal addrspace(3) global [10 x float] zeroinitializer, align 4
+
+define spir_kernel void @load_store_lds_f32(i32 %i, float %v) #0 {
+; CHECK-LABEL: define spir_kernel void @load_store_lds_f32(
+; CHECK-SAME: i32 [[I:%.*]], float [[V:%.*]]) addrspace(4) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:  [[BB:.*:]]
+; CHECK-NEXT:    [[TMP:%.*]] = load float, ptr addrspace(3) @scalar, align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[TMP]])
+; CHECK-NEXT:    store float [[V]], ptr addrspace(3) @scalar, align 4
+; CHECK-NEXT:    call addrspace(4) void @llvm.amdgcn.s.barrier()
+; CHECK-NEXT:    [[TMP2:%.*]] = load float, ptr addrspace(3) @scalar, align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[TMP2]])
+; CHECK-NEXT:    store float [[V]], ptr addrspace(3) @scalar, align 4
+; CHECK-NEXT:    call addrspace(4) void @llvm.amdgcn.s.barrier()
+; CHECK-NEXT:    [[TMP3:%.*]] = load float, ptr addrspace(3) getelementptr inbounds ([10 x float], ptr addrspace(3) @array, i32 0, i32 5), align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[TMP3]])
+; CHECK-NEXT:    store float [[V]], ptr addrspace(3) getelementptr inbounds ([10 x float], ptr addrspace(3) @array, i32 0, i32 5), align 4
+; CHECK-NEXT:    call addrspace(4) void @llvm.amdgcn.s.barrier()
+; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds [10 x float], ptr addrspace(3) @array, i32 0, i32 5
+; CHECK-NEXT:    [[TMP5:%.*]] = load float, ptr addrspace(3) [[TMP4]], align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[TMP5]])
+; CHECK-NEXT:    store float [[V]], ptr addrspace(3) [[TMP4]], align 4
+; CHECK-NEXT:    call addrspace(4) void @llvm.amdgcn.s.barrier()
+; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds [10 x float], ptr addrspace(3) @array, i32 0, i32 [[I]]
+; CHECK-NEXT:    [[TMP8:%.*]] = load float, ptr addrspace(3) [[TMP7]], align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[TMP8]])
+; CHECK-NEXT:    store float [[V]], ptr addrspace(3) [[TMP7]], align 4
+; CHECK-NEXT:    call addrspace(4) void @llvm.amdgcn.s.barrier()
+; CHECK-NEXT:    ret void
+;
+bb:
+  %tmp = load float, ptr addrspace(4) addrspacecast (ptr addrspace(3) @scalar to ptr addrspace(4)), align 4
+  call void @use(float %tmp)
+  store float %v, ptr addrspace(4) addrspacecast (ptr addrspace(3) @scalar to ptr addrspace(4)), align 4
+  call void @llvm.amdgcn.s.barrier()
+  %tmp1 = addrspacecast ptr addrspace(3) @scalar to ptr addrspace(4)
+  %tmp2 = load float, ptr addrspace(4) %tmp1, align 4
+  call void @use(float %tmp2)
+  store float %v, ptr addrspace(4) %tmp1, align 4
+  call void @llvm.amdgcn.s.barrier()
+  %tmp3 = load float, ptr addrspace(4) getelementptr inbounds ([10 x float], ptr addrspace(4) addrspacecast (ptr addrspace(3) @array to ptr addrspace(4)), i32 0, i32 5), align 4
+  call void @use(float %tmp3)
+  store float %v, ptr addrspace(4) getelementptr inbounds ([10 x float], ptr addrspace(4) addrspacecast (ptr addrspace(3) @array to ptr addrspace(4)), i32 0, i32 5), align 4
+  call void @llvm.amdgcn.s.barrier()
+  %tmp4 = getelementptr inbounds [10 x float], ptr addrspace(4) addrspacecast (ptr addrspace(3) @array to ptr addrspace(4)), i32 0, i32 5
+  %tmp5 = load float, ptr addrspace(4) %tmp4, align 4
+  call void @use(float %tmp5)
+  store float %v, ptr addrspace(4) %tmp4, align 4
+  call void @llvm.amdgcn.s.barrier()
+  %tmp6 = addrspacecast ptr addrspace(3) @array to ptr addrspace(4)
+  %tmp7 = getelementptr inbounds [10 x float], ptr addrspace(4) %tmp6, i32 0, i32 %i
+  %tmp8 = load float, ptr addrspace(4) %tmp7, align 4
+  call void @use(float %tmp8)
+  store float %v, ptr addrspace(4) %tmp7, align 4
+  call void @llvm.amdgcn.s.barrier()
+  ret void
+}
+
+define i32 @constexpr_load_int_from_float_lds() #0 {
+; CHECK-LABEL: define i32 @constexpr_load_int_from_float_lds(
+; CHECK-SAME: ) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:  [[BB:.*:]]
+; CHECK-NEXT:    [[TMP:%.*]] = load i32, ptr addrspace(3) @scalar, align 4
+; CHECK-NEXT:    ret i32 [[TMP]]
+;
+bb:
+  %tmp = load i32, ptr addrspace(4) addrspacecast (ptr addrspace(3) @scalar to ptr addrspace(4)), align 4
+  ret i32 %tmp
+}
+
+define i32 @load_int_from_global_float(ptr addrspace(1) %input, i32 %i, i32 %j) #0 {
+; CHECK-LABEL: define i32 @load_int_from_global_float(
+; CHECK-SAME: ptr addrspace(1) [[INPUT:%.*]], i32 [[I:%.*]], i32 [[J:%.*]]) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:  [[BB:.*:]]
+; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr float, ptr addrspace(1) [[INPUT]], i32 [[I]]
+; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr float, ptr addrspace(1) [[TMP1]], i32 [[J]]
+; CHECK-NEXT:    [[TMP4:%.*]] = load i32, ptr addrspace(1) [[TMP2]], align 4
+; CHECK-NEXT:    ret i32 [[TMP4]]
+;
+bb:
+  %tmp = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
+  %tmp1 = getelementptr float, ptr addrspace(4) %tmp, i32 %i
+  %tmp2 = getelementptr float, ptr addrspace(4) %tmp1, i32 %j
+  %tmp4 = load i32, ptr addrspace(4) %tmp2
+  ret i32 %tmp4
+}
+
+define spir_kernel void @nested_const_expr() #0 {
+; CHECK-LABEL: define spir_kernel void @nested_const_expr(
+; CHECK-SAME: ) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:    store i32 1, ptr addrspace(3) getelementptr ([10 x float], ptr addrspace(3) @array, i64 0, i64 1), align 4
+; CHECK-NEXT:    ret void
+;
+  store i32 1, ptr addrspace(4) bitcast (ptr addrspace(4) getelementptr ([10 x float], ptr addrspace(4) addrspacecast (ptr addrspace(3) @array to ptr addrspace(4)), i64 0, i64 1) to ptr addrspace(4)), align 4
+
+  ret void
+}
+
+define spir_kernel void @rauw(ptr addrspace(1) %input) #0 {
+; CHECK-LABEL: define spir_kernel void @rauw(
+; CHECK-SAME: ptr addrspace(1) [[INPUT:%.*]]) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:  [[BB:.*:]]
+; CHECK-NEXT:    [[ADDR:%.*]] = getelementptr float, ptr addrspace(1) [[INPUT]], i64 10
+; CHECK-NEXT:    [[V:%.*]] = load float, ptr addrspace(1) [[ADDR]], align 4
+; CHECK-NEXT:    store float [[V]], ptr addrspace(1) [[ADDR]], align 4
+; CHECK-NEXT:    ret void
+;
+bb:
+  %generic_input = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
+  %addr = getelementptr float, ptr addrspace(4) %generic_input, i64 10
+  %v = load float, ptr addrspace(4) %addr
+  store float %v, ptr addrspace(4) %addr
+  ret void
+}
+
+; FIXME: Should be able to eliminate the cast inside the loop
+define spir_kernel void @loop() #0 {
+; CHECK-LABEL: define spir_kernel void @loop(
+; CHECK-SAME: ) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:  [[ENTRY:.*]]:
+; CHECK-NEXT:    [[END:%.*]] = getelementptr float, ptr addrspace(3) @array, i64 10
+; CHECK-NEXT:    br label %[[LOOP:.*]]
+; CHECK:       [[LOOP]]:
+; CHECK-NEXT:    [[I:%.*]] = phi ptr addrspace(3) [ @array, %[[ENTRY]] ], [ [[I2:%.*]], %[[LOOP]] ]
+; CHECK-NEXT:    [[V:%.*]] = load float, ptr addrspace(3) [[I]], align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[V]])
+; CHECK-NEXT:    [[I2]] = getelementptr float, ptr addrspace(3) [[I]], i64 1
+; CHECK-NEXT:    [[EXIT_COND:%.*]] = icmp eq ptr addrspace(3) [[I2]], [[END]]
+; CHECK-NEXT:    br i1 [[EXIT_COND]], label %[[EXIT:.*]], label %[[LOOP]]
+; CHECK:       [[EXIT]]:
+; CHECK-NEXT:    ret void
+;
+entry:
+  %p = addrspacecast ptr addrspace(3) @array to ptr addrspace(4)
+  %end = getelementptr float, ptr addrspace(4) %p, i64 10
+  br label %loop
+
+loop:                                             ; preds = %loop, %entry
+  %i = phi ptr addrspace(4) [ %p, %entry ], [ %i2, %loop ]
+  %v = load float, ptr addrspace(4) %i
+  call void @use(float %v)
+  %i2 = getelementptr float, ptr addrspace(4) %i, i64 1
+  %exit_cond = icmp eq ptr addrspace(4) %i2, %end
+  br i1 %exit_cond, label %exit, label %loop
+
+exit:                                             ; preds = %loop
+  ret void
+}
+
+ at generic_end = external addrspace(1) global ptr addrspace(4)
+
+define spir_kernel void @loop_with_generic_bound() #0 {
+; CHECK-LABEL: define spir_kernel void @loop_with_generic_bound(
+; CHECK-SAME: ) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:  [[ENTRY:.*]]:
+; CHECK-NEXT:    [[END:%.*]] = load ptr addrspace(4), ptr addrspace(1) @generic_end, align 8
+; CHECK-NEXT:    br label %[[LOOP:.*]]
+; CHECK:       [[LOOP]]:
+; CHECK-NEXT:    [[I:%.*]] = phi ptr addrspace(3) [ @array, %[[ENTRY]] ], [ [[I2:%.*]], %[[LOOP]] ]
+; CHECK-NEXT:    [[V:%.*]] = load float, ptr addrspace(3) [[I]], align 4
+; CHECK-NEXT:    call addrspace(4) void @use(float [[V]])
+; CHECK-NEXT:    [[I2]] = getelementptr float, ptr addrspace(3) [[I]], i64 1
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(3) [[I2]] to ptr addrspace(4)
+; CHECK-NEXT:    [[EXIT_COND:%.*]] = icmp eq ptr addrspace(4) [[TMP0]], [[END]]
+; CHECK-NEXT:    br i1 [[EXIT_COND]], label %[[EXIT:.*]], label %[[LOOP]]
+; CHECK:       [[EXIT]]:
+; CHECK-NEXT:    ret void
+;
+entry:
+  %p = addrspacecast ptr addrspace(3) @array to ptr addrspace(4)
+  %end = load ptr addrspace(4), ptr addrspace(1) @generic_end
+  br label %loop
+
+loop:                                             ; preds = %loop, %entry
+  %i = phi ptr addrspace(4) [ %p, %entry ], [ %i2, %loop ]
+  %v = load float, ptr addrspace(4) %i
+  call void @use(float %v)
+  %i2 = getelementptr float, ptr addrspace(4) %i, i64 1
+  %exit_cond = icmp eq ptr addrspace(4) %i2, %end
+  br i1 %exit_cond, label %exit, label %loop
+
+exit:                                             ; preds = %loop
+  ret void
+}
+
+define void @select_bug() #0 {
+; CHECK-LABEL: define void @select_bug(
+; CHECK-SAME: ) addrspace(4) #[[ATTR0]] {
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ne ptr addrspace(4) inttoptr (i64 4873 to ptr addrspace(4)), null
+; CHECK-NEXT:    [[SEL:%.*]] = select i1 [[CMP]], i64 73, i64 93
+; CHECK-NEXT:    [[ADD_PTR157:%.*]] = getelementptr inbounds i64, ptr addrspace(4) undef, i64 [[SEL]]
+; CHECK-NEXT:    [[CMP169:%.*]] = icmp uge ptr addrspace(4) undef, [[ADD_PTR157]]
+; CHECK-NEXT:    unreachable
+;
+  %cmp = icmp ne ptr addrspace(4) inttoptr (i64 4873 to ptr addrspace(4)), null
+  %sel = select i1 %cmp, i64 73, i64 93
+  %add.ptr157 = getelementptr inbounds i64, ptr addrspace(4) undef, i64 %sel
+  %cmp169 = icmp uge ptr addrspace(4) undef, %add.ptr157
+  unreachable
+}
+
+declare void @llvm.amdgcn.s.barrier() #1
+declare void @use(float) #0
+
+attributes #0 = { nounwind }
+attributes #1 = { convergent nounwind }
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll
new file mode 100644
index 00000000000000..4e64ec7174017d
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll
@@ -0,0 +1,65 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+; Test that pure addrspacecast instructions not directly connected to
+; a memory operation are inferred.
+
+define void @addrspacecast_gep_addrspacecast(ptr addrspace(3) %ptr) {
+; CHECK-LABEL: define void @addrspacecast_gep_addrspacecast(
+; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
+; CHECK-NEXT:    store i32 8, ptr addrspace(3) [[GEP0]], align 8
+; CHECK-NEXT:    ret void
+;
+  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
+  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
+  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store i32 8, ptr addrspace(3) %asc1, align 8
+  ret void
+}
+
+define void @addrspacecast_different_pointee_type(ptr addrspace(3) %ptr) {
+; CHECK-LABEL: define void @addrspacecast_different_pointee_type(
+; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
+; CHECK-NEXT:    store i8 8, ptr addrspace(3) [[GEP0]], align 8
+; CHECK-NEXT:    ret void
+;
+  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
+  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
+  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store i8 8, ptr addrspace(3) %asc1, align 8
+  ret void
+}
+
+define void @addrspacecast_to_memory(ptr addrspace(3) %ptr) {
+; CHECK-LABEL: define void @addrspacecast_to_memory(
+; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
+; CHECK-NEXT:    store volatile ptr addrspace(3) [[GEP0]], ptr addrspace(1) undef, align
+; CHECK-NEXT:    ret void
+;
+  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
+  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
+  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store volatile ptr addrspace(3) %asc1, ptr addrspace(1) undef
+  ret void
+}
+
+define void @multiuse_addrspacecast_gep_addrspacecast(ptr addrspace(3) %ptr) {
+; CHECK-LABEL: define void @multiuse_addrspacecast_gep_addrspacecast(
+; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
+; CHECK-NEXT:    [[ASC0:%.*]] = addrspacecast ptr addrspace(3) [[PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    store volatile ptr addrspace(4) [[ASC0]], ptr addrspace(1) undef, align
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
+; CHECK-NEXT:    store i32 8, ptr addrspace(3) [[GEP0]], align 8
+; CHECK-NEXT:    ret void
+;
+  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
+  store volatile ptr addrspace(4) %asc0, ptr addrspace(1) undef
+  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
+  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store i32 8, ptr addrspace(3) %asc1, align 8
+  ret void
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll
new file mode 100644
index 00000000000000..56412e50ed5d2c
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll
@@ -0,0 +1,108 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+; Test that pure GetElementPtr instructions not directly connected to
+; a memory operation are inferred.
+
+ at lds = internal unnamed_addr addrspace(3) global [648 x double] undef, align 8
+
+define void @simplified_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
+; CHECK-LABEL: @simplified_constexpr_gep_addrspacecast(
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr inbounds ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
+; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP0]], align 8
+; CHECK-NEXT:    ret void
+;
+  %gep0 = getelementptr inbounds double, ptr addrspace(4) addrspacecast (ptr addrspace(3) getelementptr inbounds ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384) to ptr addrspace(4)), i64 %idx0
+  %asc = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store double 1.000000e+00, ptr addrspace(3) %asc, align 8
+  ret void
+}
+
+define void @constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
+; CHECK-LABEL: @constexpr_gep_addrspacecast(
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
+; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP0]], align 8
+; CHECK-NEXT:    ret void
+;
+  %gep0 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx0
+  %asc = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store double 1.0, ptr addrspace(3) %asc, align 8
+  ret void
+}
+
+define void @constexpr_gep_gep_addrspacecast(i64 %idx0, i64 %idx1) {
+; CHECK-LABEL: @constexpr_gep_gep_addrspacecast(
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
+; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds double, ptr addrspace(3) [[GEP0]], i64 [[IDX1:%.*]]
+; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP1]], align 8
+; CHECK-NEXT:    ret void
+;
+  %gep0 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx0
+  %gep1 = getelementptr inbounds double, ptr addrspace(4) %gep0, i64 %idx1
+  %asc = addrspacecast ptr addrspace(4) %gep1 to ptr addrspace(3)
+  store double 1.0, ptr addrspace(3) %asc, align 8
+  ret void
+}
+
+; Don't crash
+define spir_kernel void @vector_gep(<4 x ptr addrspace(3)> %array) nounwind {
+; CHECK-LABEL: @vector_gep(
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast <4 x ptr addrspace(3)> [[ARRAY:%.*]] to <4 x ptr addrspace(4)>
+; CHECK-NEXT:    [[P:%.*]] = getelementptr [1024 x i32], <4 x ptr addrspace(4)> [[CAST]], <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
+; CHECK-NEXT:    [[P0:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 0
+; CHECK-NEXT:    [[P1:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 1
+; CHECK-NEXT:    [[P2:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 2
+; CHECK-NEXT:    [[P3:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 3
+; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P0]], align 4
+; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P1]], align 4
+; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P2]], align 4
+; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P3]], align 4
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast <4 x ptr addrspace(3)> %array to <4 x ptr addrspace(4)>
+  %p = getelementptr [1024 x i32], <4 x ptr addrspace(4)> %cast, <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
+  %p0 = extractelement <4 x ptr addrspace(4)> %p, i32 0
+  %p1 = extractelement <4 x ptr addrspace(4)> %p, i32 1
+  %p2 = extractelement <4 x ptr addrspace(4)> %p, i32 2
+  %p3 = extractelement <4 x ptr addrspace(4)> %p, i32 3
+  store i32 99, ptr addrspace(4) %p0
+  store i32 99, ptr addrspace(4) %p1
+  store i32 99, ptr addrspace(4) %p2
+  store i32 99, ptr addrspace(4) %p3
+  ret void
+}
+
+define void @repeated_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
+; CHECK-LABEL: @repeated_constexpr_gep_addrspacecast(
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
+; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP0]], align 8
+; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX1:%.*]]
+; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP1]], align 8
+; CHECK-NEXT:    ret void
+;
+  %gep0 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx0
+  %asc0 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
+  store double 1.0, ptr addrspace(3) %asc0, align 8
+
+  %gep1 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx1
+  %asc1 = addrspacecast ptr addrspace(4) %gep1 to ptr addrspace(3)
+  store double 1.0, ptr addrspace(3) %asc1, align 8
+
+  ret void
+}
+
+define void @unorder_constexpr_gep_bitcast() {
+; CHECK-LABEL: @unorder_constexpr_gep_bitcast(
+; CHECK-NEXT:    [[X0:%.*]] = load i32, ptr addrspace(3) @lds, align 4
+; CHECK-NEXT:    [[X1:%.*]] = load i32, ptr addrspace(3) getelementptr (i32, ptr addrspace(3) @lds, i32 1), align 4
+; CHECK-NEXT:    call void @use(i32 [[X0]], i32 [[X1]])
+; CHECK-NEXT:    ret void
+;
+  %x0 = load i32, ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), align 4
+  %x1 = load i32, ptr addrspace(4) getelementptr (i32, ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i32 1), align 4
+  call void @use(i32 %x0, i32 %x1)
+  ret void
+}
+
+declare void @use(i32, i32)
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll
new file mode 100644
index 00000000000000..f736579c1765fe
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll
@@ -0,0 +1,158 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s --check-prefix=SPIRV32
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s --check-prefix=SPIRV64
+
+; Addrspacecasts or bitcasts must be inserted after the instructions that define their uses.
+
+%struct.s0 = type { ptr addrspace(4), i32 }
+%struct.s1 = type { %struct.s0 }
+
+ at global0 = protected addrspace(2) externally_initialized global %struct.s1 zeroinitializer
+
+declare i32 @func(ptr %arg)
+
+define i32 @addrspacecast_insert_pos_assert() {
+; CHECK-LABEL: @addrspacecast_insert_pos_assert(
+; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4
+; CHECK-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(2) @global0, align 4
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[LOAD0]] to ptr addrspace(1)
+; CHECK-NEXT:    [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[TMP1]] to ptr addrspace(4)
+; CHECK-NEXT:    [[LOAD1:%.*]] = load i32, ptr [[ALLOCA]], align 4
+; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[LOAD1]] to i64
+; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[TMP2]], i64 [[SEXT]]
+; CHECK-NEXT:    [[CALL:%.*]] = call i32 @func(ptr addrspace(4) [[GEP]])
+; CHECK-NEXT:    ret i32 [[CALL]]
+;
+; SPIRV32-LABEL: @addrspacecast_insert_pos_assert(
+; SPIRV32-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4
+; SPIRV32-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(2) @global0, align 4
+; SPIRV32-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[LOAD0]] to ptr addrspace(1)
+; SPIRV32-NEXT:    [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[TMP1]] to ptr addrspace(4)
+; SPIRV32-NEXT:    [[LOAD1:%.*]] = load i32, ptr [[ALLOCA]], align 4
+; SPIRV32-NEXT:    [[SEXT:%.*]] = sext i32 [[LOAD1]] to i64
+; SPIRV32-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[TMP2]], i64 [[SEXT]]
+; SPIRV32-NEXT:    [[CALL:%.*]] = call i32 @func(ptr addrspace(4) [[GEP]])
+; SPIRV32-NEXT:    ret i32 [[CALL]]
+;
+; SPIRV64-LABEL: @addrspacecast_insert_pos_assert(
+; SPIRV64-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4
+; SPIRV64-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(2) @global0, align 8
+; SPIRV64-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[LOAD0]] to ptr addrspace(1)
+; SPIRV64-NEXT:    [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[TMP1]] to ptr addrspace(4)
+; SPIRV64-NEXT:    [[LOAD1:%.*]] = load i32, ptr [[ALLOCA]], align 4
+; SPIRV64-NEXT:    [[SEXT:%.*]] = sext i32 [[LOAD1]] to i64
+; SPIRV64-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[TMP2]], i64 [[SEXT]]
+; SPIRV64-NEXT:    [[CALL:%.*]] = call i32 @func(ptr addrspace(4) [[GEP]])
+; SPIRV64-NEXT:    ret i32 [[CALL]]
+;
+  %alloca = alloca i32, align 4
+  %cast = addrspacecast ptr %alloca to ptr addrspace(4)
+  %load0 = load ptr addrspace(4), ptr addrspace(2) @global0
+  %load1 = load i32, ptr addrspace(4) %cast
+  %sext = sext i32 %load1 to i64
+  %gep = getelementptr inbounds i32, ptr addrspace(4) %load0, i64 %sext
+  %call = call i32 @func(ptr addrspace(4) %gep)
+  ret i32 %call
+}
+
+define void @bitcast_insert_pos_assert_1() {
+; CHECK-LABEL: @bitcast_insert_pos_assert_1(
+; CHECK-NEXT:  bb.0:
+; CHECK-NEXT:    [[ASC0:%.*]] = addrspacecast ptr undef to ptr addrspace(4)
+; CHECK-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; CHECK-NEXT:    br label [[BB_1:%.*]]
+; CHECK:       bb.1:
+; CHECK-NEXT:    br i1 undef, label [[BB_2:%.*]], label [[BB_3:%.*]]
+; CHECK:       bb.2:
+; CHECK-NEXT:    [[PTI1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; CHECK-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI1]] to ptr addrspace(4)
+; CHECK-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[ITP0]], align 8
+; CHECK-NEXT:    br label [[BB_3]]
+; CHECK:       bb.3:
+; CHECK-NEXT:    ret void
+;
+; SPIRV32-LABEL: @bitcast_insert_pos_assert_1(
+; SPIRV32-NEXT:  bb.0:
+; SPIRV32-NEXT:    [[ASC0:%.*]] = addrspacecast ptr undef to ptr addrspace(4)
+; SPIRV32-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; SPIRV32-NEXT:    br label [[BB_1:%.*]]
+; SPIRV32:       bb.1:
+; SPIRV32-NEXT:    br i1 undef, label [[BB_2:%.*]], label [[BB_3:%.*]]
+; SPIRV32:       bb.2:
+; SPIRV32-NEXT:    [[PTI1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; SPIRV32-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI1]] to ptr addrspace(4)
+; SPIRV32-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[ITP0]], align 8
+; SPIRV32-NEXT:    br label [[BB_3]]
+; SPIRV32:       bb.3:
+; SPIRV32-NEXT:    ret void
+;
+; SPIRV64-LABEL: @bitcast_insert_pos_assert_1(
+; SPIRV64-NEXT:  bb.0:
+; SPIRV64-NEXT:    [[ASC0:%.*]] = addrspacecast ptr undef to ptr addrspace(4)
+; SPIRV64-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; SPIRV64-NEXT:    br label [[BB_1:%.*]]
+; SPIRV64:       bb.1:
+; SPIRV64-NEXT:    br i1 undef, label [[BB_2:%.*]], label [[BB_3:%.*]]
+; SPIRV64:       bb.2:
+; SPIRV64-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr undef, align 8
+; SPIRV64-NEXT:    br label [[BB_3]]
+; SPIRV64:       bb.3:
+; SPIRV64-NEXT:    ret void
+;
+bb.0:
+  %asc0 = addrspacecast ptr undef to ptr addrspace(4)
+  %pti0 = ptrtoint ptr addrspace(4) %asc0 to i64
+  br label %bb.1
+
+bb.1:
+  br i1 undef, label %bb.2, label %bb.3
+
+bb.2:
+  %pti1 = ptrtoint ptr addrspace(4) %asc0 to i64
+  %itp0 = inttoptr i64 %pti1 to ptr addrspace(4)
+  %load0 = load ptr addrspace(4), ptr addrspace(4) %itp0, align 8
+  br label %bb.3
+
+bb.3:
+  ret void
+}
+
+define void @bitcast_insert_pos_assert_2() {
+; CHECK-LABEL: @bitcast_insert_pos_assert_2(
+; CHECK-NEXT:    [[ALLOCA0:%.*]] = alloca [[STRUCT_S1:%.*]], align 16
+; CHECK-NEXT:    [[ASC0:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
+; CHECK-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; CHECK-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI0]] to ptr addrspace(4)
+; CHECK-NEXT:    [[ITP1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; CHECK-NEXT:    [[ITP2:%.*]] = inttoptr i64 [[ITP1]] to ptr addrspace(4)
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i64, ptr addrspace(4) [[ITP2]], i64 1
+; CHECK-NEXT:    ret void
+;
+; SPIRV32-LABEL: @bitcast_insert_pos_assert_2(
+; SPIRV32-NEXT:    [[ALLOCA0:%.*]] = alloca [[STRUCT_S1:%.*]], align 16
+; SPIRV32-NEXT:    [[ASC0:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
+; SPIRV32-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; SPIRV32-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI0]] to ptr addrspace(4)
+; SPIRV32-NEXT:    [[ITP1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; SPIRV32-NEXT:    [[ITP2:%.*]] = inttoptr i64 [[ITP1]] to ptr addrspace(4)
+; SPIRV32-NEXT:    [[GEP0:%.*]] = getelementptr i64, ptr addrspace(4) [[ITP2]], i64 1
+; SPIRV32-NEXT:    ret void
+;
+; SPIRV64-LABEL: @bitcast_insert_pos_assert_2(
+; SPIRV64-NEXT:    [[ALLOCA0:%.*]] = alloca [[STRUCT_S1:%.*]], align 16
+; SPIRV64-NEXT:    [[ASC0:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
+; SPIRV64-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
+; SPIRV64-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI0]] to ptr addrspace(4)
+; SPIRV64-NEXT:    [[TMP1:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
+; SPIRV64-NEXT:    [[GEP0:%.*]] = getelementptr i64, ptr addrspace(4) [[TMP1]], i64 1
+; SPIRV64-NEXT:    ret void
+;
+  %alloca0 = alloca %struct.s1, align 16
+  %asc0 = addrspacecast ptr %alloca0 to ptr addrspace(4)
+  %pti0 = ptrtoint ptr addrspace(4) %asc0 to i64
+  %itp0 = inttoptr i64 %pti0 to ptr addrspace(4)
+  %itp1 = ptrtoint ptr addrspace(4) %asc0 to i64
+  %itp2 = inttoptr i64 %itp1 to ptr addrspace(4)
+  %gep0 = getelementptr i64, ptr addrspace(4) %itp2, i64 1
+  ret void
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll
new file mode 100644
index 00000000000000..d6a58d2fccde06
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll
@@ -0,0 +1,57 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+define i1 @is_constant_global_to_flat(ptr addrspace(1) %ptr) {
+; CHECK-LABEL: define i1 @is_constant_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[PTR:%.*]]) {
+; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.p1(ptr addrspace(1) [[PTR]])
+; CHECK-NEXT:    ret i1 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(1) %ptr to ptr addrspace(4)
+  %ret = call i1 @llvm.is.constant.p4(ptr addrspace(4) %cast)
+  ret i1 %ret
+}
+
+define i1 @is_constant_local_to_flat(ptr addrspace(3) %ptr) {
+; CHECK-LABEL: define i1 @is_constant_local_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
+; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.p3(ptr addrspace(3) [[PTR]])
+; CHECK-NEXT:    ret i1 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
+  %ret = call i1 @llvm.is.constant.p4(ptr addrspace(4) %cast)
+  ret i1 %ret
+}
+
+define i1 @is_constant_private_to_flat(ptr %ptr) {
+; CHECK-LABEL: define i1 @is_constant_private_to_flat(
+; CHECK-SAME: ptr [[PTR:%.*]]) {
+; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.p0(ptr [[PTR]])
+; CHECK-NEXT:    ret i1 [[RET]]
+;
+  %cast = addrspacecast ptr %ptr to ptr addrspace(4)
+  %ret = call i1 @llvm.is.constant.p4(ptr addrspace(4) %cast)
+  ret i1 %ret
+}
+
+define i1 @is_constant_private_to_flat_v2(<2 x ptr> %ptr) {
+; CHECK-LABEL: define i1 @is_constant_private_to_flat_v2(
+; CHECK-SAME: <2 x ptr> [[PTR:%.*]]) {
+; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.v2p0(<2 x ptr> [[PTR]])
+; CHECK-NEXT:    ret i1 [[RET]]
+;
+  %cast = addrspacecast <2 x ptr> %ptr to <2 x ptr addrspace(4)>
+  %ret = call i1 @llvm.is.constant.v2p4(<2 x ptr addrspace(4)> %cast)
+  ret i1 %ret
+}
+
+define i1 @is_constant_i32(i32 %val) {
+; CHECK-LABEL: define i1 @is_constant_i32(
+; CHECK-SAME: i32 [[VAL:%.*]]) {
+; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.i32(i32 [[VAL]])
+; CHECK-NEXT:    ret i1 [[RET]]
+;
+  %ret = call i1 @llvm.is.constant.i32(i32 %val)
+  ret i1 %ret
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/lit.local.cfg b/llvm/test/Transforms/InferAddressSpaces/SPIRV/lit.local.cfg
new file mode 100644
index 00000000000000..78dd74cd6dc634
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/lit.local.cfg
@@ -0,0 +1,2 @@
+if not "SPIRV" in config.root.targets:
+    config.unsupported = True
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll
new file mode 100644
index 00000000000000..fd60c307a35fca
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll
@@ -0,0 +1,145 @@
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+; CHECK-LABEL: @memset_group_to_flat(
+; CHECK: call void @llvm.memset.p3.i64(ptr addrspace(3) align 4 %group.ptr, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memset_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memset_global_to_flat(
+; CHECK: call void @llvm.memset.p1.i64(ptr addrspace(1) align 4 %global.ptr, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memset_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memset_group_to_flat_no_md(
+; CHECK: call void @llvm.memset.p3.i64(ptr addrspace(3) align 4 %group.ptr, i8 4, i64 %size, i1 false){{$}}
+define spir_kernel void @memset_group_to_flat_no_md(ptr addrspace(3) %group.ptr, i64 %size) #0 {
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 %size, i1 false)
+  ret void
+}
+
+; CHECK-LABEL: @memset_global_to_flat_no_md(
+; CHECK: call void @llvm.memset.p1.i64(ptr addrspace(1) align 4 %global.ptr, i8 4, i64 %size, i1 false){{$}}
+define spir_kernel void @memset_global_to_flat_no_md(ptr addrspace(1) %global.ptr, i64 %size) #0 {
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 %size, i1 false)
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_flat_to_flat_replace_src_with_group(
+; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_flat_to_flat_replace_src_with_group(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_inline_flat_to_flat_replace_src_with_group(
+; CHECK: call void @llvm.memcpy.inline.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 42, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_inline_flat_to_flat_replace_src_with_group(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.inline.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 42, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_flat_to_flat_replace_dest_with_group(
+; CHECK: call void @llvm.memcpy.p3.p4.i64(ptr addrspace(3) align 4 %dest.group.ptr, ptr addrspace(4) align 4 %src.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_flat_to_flat_replace_dest_with_group(ptr addrspace(3) %dest.group.ptr, ptr addrspace(4) %src.ptr, i64 %size) #0 {
+  %cast.dest = addrspacecast ptr addrspace(3) %dest.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(4) align 4 %src.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_flat_to_flat_replace_dest_src_with_group(
+; CHECK: call void @llvm.memcpy.p3.p3.i64(ptr addrspace(3) align 4 %src.group.ptr, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_flat_to_flat_replace_dest_src_with_group(ptr addrspace(3) %dest.group.ptr, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  %cast.dest = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_flat_to_flat_replace_dest_group_src_global(
+; CHECK: call void @llvm.memcpy.p3.p1.i64(ptr addrspace(3) align 4 %dest.group.ptr, ptr addrspace(1) align 4 %src.global.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_flat_to_flat_replace_dest_group_src_global(ptr addrspace(3) %dest.group.ptr, ptr addrspace(1) %src.global.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(1) %src.global.ptr to ptr addrspace(4)
+  %cast.dest = addrspacecast ptr addrspace(3) %dest.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_group_to_flat_replace_dest_global(
+; CHECK: call void @llvm.memcpy.p1.p3.i32(ptr addrspace(1) align 4 %dest.global.ptr, ptr addrspace(3) align 4 %src.group.ptr, i32 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_group_to_flat_replace_dest_global(ptr addrspace(1) %dest.global.ptr, ptr addrspace(3) %src.group.ptr, i32 %size) #0 {
+  %cast.dest = addrspacecast ptr addrspace(1) %dest.global.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p3.i32(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(3) align 4 %src.group.ptr, i32 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_flat_to_flat_replace_src_with_group_tbaa_struct(
+; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa.struct !8
+define spir_kernel void @memcpy_flat_to_flat_replace_src_with_group_tbaa_struct(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa.struct !8
+  ret void
+}
+
+; CHECK-LABEL: @memcpy_flat_to_flat_replace_src_with_group_no_md(
+; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false){{$}}
+define spir_kernel void @memcpy_flat_to_flat_replace_src_with_group_no_md(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false)
+  ret void
+}
+
+; CHECK-LABEL: @multiple_memcpy_flat_to_flat_replace_src_with_group_no_md(
+; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest0, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false){{$}}
+; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest1, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false){{$}}
+define spir_kernel void @multiple_memcpy_flat_to_flat_replace_src_with_group_no_md(ptr addrspace(4) %dest0, ptr addrspace(4) %dest1, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest0, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest1, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false)
+  ret void
+}
+
+; Check for iterator problems if the pointer has 2 uses in the same call
+; CHECK-LABEL: @memcpy_group_flat_to_flat_self(
+; CHECK: call void @llvm.memcpy.p3.p3.i64(ptr addrspace(3) align 4 %group.ptr, ptr addrspace(3) align 4 %group.ptr, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memcpy_group_flat_to_flat_self(ptr addrspace(3) %group.ptr) #0 {
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast, ptr addrspace(4) align 4 %cast, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+; CHECK-LABEL: @memmove_flat_to_flat_replace_src_with_group(
+; CHECK: call void @llvm.memmove.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+define spir_kernel void @memmove_flat_to_flat_replace_src_with_group(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
+  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
+  call void @llvm.memmove.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
+  ret void
+}
+
+declare void @llvm.memset.p4.i64(ptr addrspace(4) nocapture writeonly, i8, i64, i1) #1
+declare void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1) #1
+declare void @llvm.memcpy.inline.p4.p4.i64(ptr addrspace(4) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1) #1
+declare void @llvm.memcpy.p4.p3.i32(ptr addrspace(4) nocapture writeonly, ptr addrspace(3) nocapture readonly, i32, i1) #1
+declare void @llvm.memmove.p4.p4.i64(ptr addrspace(4) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1) #1
+
+attributes #0 = { nounwind }
+attributes #1 = { argmemonly nounwind }
+
+!0 = !{!1, !1, i64 0}
+!1 = !{!"A", !2}
+!2 = !{!"tbaa root"}
+!3 = !{!4}
+!4 = distinct !{!4, !5, !"some scope 1"}
+!5 = distinct !{!5, !"some domain"}
+!6 = !{!7}
+!7 = distinct !{!7, !5, !"some scope 2"}
+!8 = !{i64 0, i64 8, null}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll
new file mode 100644
index 00000000000000..83725d22df3124
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll
@@ -0,0 +1,70 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -mtriple=spirv32-- -S -passes=infer-address-spaces --verify-each %s | FileCheck %s
+; RUN: opt -mtriple=spirv64-- -S -passes=infer-address-spaces --verify-each %s | FileCheck %s
+
+; Inst can use a value multiple time. When we're inserting an addrspacecast to flat,
+; it's important all the identical uses use an indentical replacement, especially
+; for PHIs.
+
+define spir_kernel void @test_phi() {
+; CHECK-LABEL: @test_phi(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[LOADED_PTR:%.*]] = load ptr addrspace(4), ptr addrspace(2) null, align 8
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[LOADED_PTR]] to ptr addrspace(1)
+; CHECK-NEXT:    br label [[BB0:%.*]]
+; CHECK:       bb0:
+; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i64, ptr addrspace(1) [[TMP0]], i64 3
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[GEP]] to ptr addrspace(4)
+; CHECK-NEXT:    switch i32 0, label [[END:%.*]] [
+; CHECK-NEXT:      i32 1, label [[END]]
+; CHECK-NEXT:      i32 4, label [[END]]
+; CHECK-NEXT:      i32 5, label [[BB1:%.*]]
+; CHECK-NEXT:    ]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[TMP2:%.*]] = load double, ptr addrspace(1) [[GEP]], align 16
+; CHECK-NEXT:    br label [[END]]
+; CHECK:       end:
+; CHECK-NEXT:    [[RETVAL_SROA_0_0_I569_PH:%.*]] = phi ptr addrspace(4) [ null, [[BB1]] ], [ [[TMP1]], [[BB0]] ], [ [[TMP1]], [[BB0]] ], [ [[TMP1]], [[BB0]] ]
+; CHECK-NEXT:    ret void
+;
+entry:
+  %loaded.ptr = load ptr addrspace(4), ptr addrspace(2) null, align 8
+  br label %bb0
+
+bb0:
+  %gep = getelementptr i64, ptr addrspace(4) %loaded.ptr, i64 3
+  switch i32 0, label %end [
+  i32 1, label %end
+  i32 4, label %end
+  i32 5, label %bb1
+  ]
+
+bb1:
+  %0 = load double, ptr addrspace(4) %gep, align 16
+  br label %end
+
+end:
+  %retval.sroa.0.0.i569.ph = phi ptr addrspace(4) [ null, %bb1 ], [ %gep, %bb0 ], [ %gep, %bb0 ], [ %gep, %bb0 ]
+  ret void
+}
+
+declare void @uses_ptrs(ptr addrspace(4), ptr addrspace(4), ptr addrspace(4))
+
+; We shouldn't treat PHIs differently, even other users should have the same treatment.
+; All occurences of %gep are replaced with an identical value.
+define spir_kernel void @test_other() {
+; CHECK-LABEL: @test_other(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[LOADED_PTR:%.*]] = load ptr addrspace(4), ptr addrspace(2) null, align 8
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[LOADED_PTR]] to ptr addrspace(1)
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[TMP0]] to ptr addrspace(4)
+; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i64, ptr addrspace(4) [[TMP1]], i64 3
+; CHECK-NEXT:    call void @uses_ptrs(ptr addrspace(4) [[GEP]], ptr addrspace(4) [[GEP]], ptr addrspace(4) [[GEP]])
+; CHECK-NEXT:    ret void
+;
+entry:
+  %loaded.ptr = load ptr addrspace(4), ptr addrspace(2) null, align 8
+  %gep = getelementptr i64, ptr addrspace(4) %loaded.ptr, i64 3
+  call void @uses_ptrs(ptr addrspace(4) %gep, ptr addrspace(4) %gep, ptr addrspace(4) %gep)
+  ret void
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll
new file mode 100644
index 00000000000000..b7c773e92cb2f5
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll
@@ -0,0 +1,60 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+define void @prefetch_shared_to_flat(ptr addrspace(3) %group.ptr) {
+; CHECK-LABEL: define void @prefetch_shared_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]]) {
+; CHECK-NEXT:    tail call void @llvm.prefetch.p3(ptr addrspace(3) [[GROUP_PTR]], i32 0, i32 0, i32 1)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  tail call void @llvm.prefetch.p4(ptr addrspace(4) %cast, i32 0, i32 0, i32 1)
+  ret void
+}
+
+define void @prefetch_global_to_flat(ptr addrspace(1) %global.ptr) {
+; CHECK-LABEL: define void @prefetch_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]]) {
+; CHECK-NEXT:    tail call void @llvm.prefetch.p1(ptr addrspace(1) [[GLOBAL_PTR]], i32 0, i32 0, i32 1)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  tail call void @llvm.prefetch.p4(ptr addrspace(4) %cast, i32 0, i32 0, i32 1)
+  ret void
+}
+
+define void @prefetch_constant_to_flat(ptr addrspace(2) %const.ptr) {
+; CHECK-LABEL: define void @prefetch_constant_to_flat(
+; CHECK-SAME: ptr addrspace(2) [[CONST_PTR:%.*]]) {
+; CHECK-NEXT:    tail call void @llvm.prefetch.p2(ptr addrspace(2) [[CONST_PTR]], i32 0, i32 0, i32 1)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(2) %const.ptr to ptr addrspace(4)
+  tail call void @llvm.prefetch.p4(ptr addrspace(4) %cast, i32 0, i32 0, i32 1)
+  ret void
+}
+
+define void @prefetch_flat_to_shared(ptr addrspace(4) %flat.ptr) {
+; CHECK-LABEL: define void @prefetch_flat_to_shared(
+; CHECK-SAME: ptr addrspace(4) [[FLAT_PTR:%.*]]) {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(4) [[FLAT_PTR]] to ptr addrspace(3)
+; CHECK-NEXT:    tail call void @llvm.prefetch.p3(ptr addrspace(3) [[CAST]], i32 0, i32 0, i32 1)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(4) %flat.ptr to ptr addrspace(3)
+  tail call void @llvm.prefetch.p3(ptr addrspace(3) %cast, i32 0, i32 0, i32 1)
+  ret void
+}
+
+define void @prefetch_flat_to_global(ptr addrspace(4) %flat.ptr) {
+; CHECK-LABEL: define void @prefetch_flat_to_global(
+; CHECK-SAME: ptr addrspace(4) [[FLAT_PTR:%.*]]) {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(4) [[FLAT_PTR]] to ptr addrspace(1)
+; CHECK-NEXT:    tail call void @llvm.prefetch.p1(ptr addrspace(1) [[CAST]], i32 0, i32 0, i32 1)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(4) %flat.ptr to ptr addrspace(1)
+  tail call void @llvm.prefetch.p1(ptr addrspace(1) %cast, i32 0, i32 0, i32 1)
+  ret void
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll
new file mode 100644
index 00000000000000..296e3af86647e2
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll
@@ -0,0 +1,48 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces -o - %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces -o - %s | FileCheck %s
+
+; Check that InferAddressSpaces's cloneInstructionWithNewAddressSpace() propagates
+; the debug location to new addrspacecast instruction which casts `%p` in the following test.
+
+ at c0 = addrspace(2) global ptr poison
+
+define float @generic_ptr_from_constant() !dbg !5 {
+; CHECK-LABEL: define float @generic_ptr_from_constant(
+; CHECK-SAME: ) !dbg [[DBG5:![0-9]+]] {
+; CHECK-NEXT:    [[P:%.*]] = load ptr addrspace(4), ptr addrspace(2) @c0, align 8, !dbg [[DBG8:![0-9]+]]
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[P]] to ptr addrspace(1), !dbg [[DBG8]]
+; CHECK-NEXT:    [[V:%.*]] = load float, ptr addrspace(1) [[TMP1]], align 4, !dbg [[DBG9:![0-9]+]]
+; CHECK-NEXT:    ret float [[V]], !dbg [[DBG10:![0-9]+]]
+;
+  %p = load ptr addrspace(4), ptr addrspace(2) @c0, align 8, !dbg !8
+  %v = load float, ptr addrspace(4) %p, align 4, !dbg !9
+  ret float %v, !dbg !10
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.debugify = !{!2, !3}
+!llvm.module.flags = !{!4}
+
+;
+!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
+!1 = !DIFile(filename: "temp.ll", directory: "/")
+!2 = !{i32 3}
+!3 = !{i32 0}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = distinct !DISubprogram(name: "generic_ptr_from_constant", linkageName: "generic_ptr_from_constant", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
+!6 = !DISubroutineType(types: !7)
+!7 = !{}
+!8 = !DILocation(line: 1, column: 1, scope: !5)
+!9 = !DILocation(line: 2, column: 1, scope: !5)
+!10 = !DILocation(line: 3, column: 1, scope: !5)
+;.
+; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C, file: [[META1:![0-9]+]], producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
+; CHECK: [[META1]] = !DIFile(filename: "temp.ll", directory: {{.*}})
+; CHECK: [[DBG5]] = distinct !DISubprogram(name: "generic_ptr_from_constant", linkageName: "generic_ptr_from_constant", scope: null, file: [[META1]], line: 1, type: [[META6:![0-9]+]], scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]])
+; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
+; CHECK: [[META7]] = !{}
+; CHECK: [[DBG8]] = !DILocation(line: 1, column: 1, scope: [[DBG5]])
+; CHECK: [[DBG9]] = !DILocation(line: 2, column: 1, scope: [[DBG5]])
+; CHECK: [[DBG10]] = !DILocation(line: 3, column: 1, scope: [[DBG5]])
+;.
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll
new file mode 100644
index 00000000000000..3b5d4b7adc3a7d
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll
@@ -0,0 +1,28 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+%0 = type { i8, i8, i8 }
+
+; Make sure there is only one addrspacecast. The original cast should
+; not be cloned to satisfy the second user.
+define void @bar(ptr addrspace(1) %orig.ptr) {
+; CHECK-LABEL: @bar(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    [[ORIG_CAST:%.*]] = addrspacecast ptr addrspace(1) [[ORIG_PTR:%.*]] to ptr addrspace(4)
+; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds [[TMP0:%.*]], ptr addrspace(4) [[ORIG_CAST]], i64 0, i32 1
+; CHECK-NEXT:    call void @foo(ptr addrspace(4) [[GEP0]])
+; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds [[TMP0]], ptr addrspace(4) [[ORIG_CAST]], i64 0, i32 2
+; CHECK-NEXT:    call void @foo(ptr addrspace(4) [[GEP1]])
+; CHECK-NEXT:    ret void
+;
+bb:
+  %orig.cast = addrspacecast ptr addrspace(1) %orig.ptr to ptr addrspace(4)
+  %gep0 = getelementptr inbounds %0, ptr addrspace(4) %orig.cast, i64 0, i32 1
+  call void @foo(ptr addrspace(4) %gep0)
+  %gep1 = getelementptr inbounds %0, ptr addrspace(4) %orig.cast, i64 0, i32 2
+  call void @foo(ptr addrspace(4) %gep1)
+  ret void
+}
+
+declare void @foo(ptr addrspace(4))
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll
new file mode 100644
index 00000000000000..ec5c31f32d513b
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll
@@ -0,0 +1,29 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -mtriple=spirv32-- -S -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -mtriple=spirv64-- -S -passes=infer-address-spaces %s | FileCheck %s
+
+define spir_kernel void @phi_self(ptr addrspace(1) %arg) {
+; CHECK-LABEL: @phi_self(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    br label [[LOOP:%.*]]
+; CHECK:       loop:
+; CHECK-NEXT:    [[I:%.*]] = phi ptr addrspace(1) [ [[I]], [[LOOP]] ], [ [[ARG:%.*]], [[ENTRY:%.*]] ]
+; CHECK-NEXT:    [[I1:%.*]] = load i8, ptr addrspace(1) [[I]], align 1
+; CHECK-NEXT:    [[I2:%.*]] = icmp eq i8 [[I1]], 0
+; CHECK-NEXT:    br i1 [[I2]], label [[LOOP]], label [[RET:%.*]]
+; CHECK:       ret:
+; CHECK-NEXT:    ret void
+;
+entry:
+  %cast = addrspacecast ptr addrspace(1) %arg to ptr addrspace(4)
+  br label %loop
+
+loop:
+  %i = phi ptr addrspace(4) [%i, %loop], [%cast, %entry]
+  %i1 = load i8, ptr addrspace(4) %i, align 1
+  %i2 = icmp eq i8 %i1, 0
+  br i1 %i2, label %loop, label %ret
+
+ret:
+  ret void
+}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll
new file mode 100644
index 00000000000000..b835a008a91e0e
--- /dev/null
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll
@@ -0,0 +1,187 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
+
+; Check that volatile users of addrspacecast are not replaced.
+
+define spir_kernel void @volatile_load_flat_from_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_global(
+; CHECK-SAME: ptr addrspace(1) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(1) [[INPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(1) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
+  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @volatile_load_flat_from_constant(ptr addrspace(2) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_constant(
+; CHECK-SAME: ptr addrspace(2) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(2) [[INPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(1) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(2) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
+  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @volatile_load_flat_from_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_group(
+; CHECK-SAME: ptr addrspace(3) nocapture [[INPUT:%.*]], ptr addrspace(3) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(3) [[INPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(3) [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(3) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(3) %output to ptr addrspace(4)
+  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @volatile_load_flat_from_private(ptr nocapture %input, ptr nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_private(
+; CHECK-SAME: ptr nocapture [[INPUT:%.*]], ptr nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr [[INPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
+; CHECK-NEXT:    store i32 [[VAL]], ptr [[OUTPUT]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr %output to ptr addrspace(4)
+  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
+  store i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @volatile_store_flat_to_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_store_flat_to_global(
+; CHECK-SAME: ptr addrspace(1) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[OUTPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(1) [[INPUT]], align 4
+; CHECK-NEXT:    store volatile i32 [[VAL]], ptr addrspace(4) [[TMP1]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
+  %val = load i32, ptr addrspace(4) %tmp0, align 4
+  store volatile i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @volatile_store_flat_to_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_store_flat_to_group(
+; CHECK-SAME: ptr addrspace(3) nocapture [[INPUT:%.*]], ptr addrspace(3) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(3) [[OUTPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(3) [[INPUT]], align 4
+; CHECK-NEXT:    store volatile i32 [[VAL]], ptr addrspace(4) [[TMP1]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr addrspace(3) %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr addrspace(3) %output to ptr addrspace(4)
+  %val = load i32, ptr addrspace(4) %tmp0, align 4
+  store volatile i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define spir_kernel void @volatile_store_flat_to_private(ptr nocapture %input, ptr nocapture %output) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_store_flat_to_private(
+; CHECK-SAME: ptr nocapture [[INPUT:%.*]], ptr nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr [[OUTPUT]] to ptr addrspace(4)
+; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr [[INPUT]], align 4
+; CHECK-NEXT:    store volatile i32 [[VAL]], ptr addrspace(4) [[TMP1]], align 4
+; CHECK-NEXT:    ret void
+;
+  %tmp0 = addrspacecast ptr %input to ptr addrspace(4)
+  %tmp1 = addrspacecast ptr %output to ptr addrspace(4)
+  %val = load i32, ptr addrspace(4) %tmp0, align 4
+  store volatile i32 %val, ptr addrspace(4) %tmp1, align 4
+  ret void
+}
+
+define i32 @volatile_atomicrmw_add_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
+; CHECK-LABEL: define i32 @volatile_atomicrmw_add_group_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(3) [[GROUP_PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    [[RET:%.*]] = atomicrmw volatile add ptr addrspace(4) [[CAST]], i32 [[Y]] seq_cst, align 4
+; CHECK-NEXT:    ret i32 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  %ret = atomicrmw volatile add ptr addrspace(4) %cast, i32 %y seq_cst
+  ret i32 %ret
+}
+
+define i32 @volatile_atomicrmw_add_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
+; CHECK-LABEL: define i32 @volatile_atomicrmw_add_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[GLOBAL_PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    [[RET:%.*]] = atomicrmw volatile add ptr addrspace(4) [[CAST]], i32 [[Y]] seq_cst, align 4
+; CHECK-NEXT:    ret i32 [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  %ret = atomicrmw volatile add ptr addrspace(4) %cast, i32 %y seq_cst
+  ret i32 %ret
+}
+
+define { i32, i1 } @volatile_cmpxchg_global_to_flat(ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val) #0 {
+; CHECK-LABEL: define { i32, i1 } @volatile_cmpxchg_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[CMP:%.*]], i32 [[VAL:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[GLOBAL_PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    [[RET:%.*]] = cmpxchg volatile ptr addrspace(4) [[CAST]], i32 [[CMP]], i32 [[VAL]] seq_cst monotonic, align 4
+; CHECK-NEXT:    ret { i32, i1 } [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  %ret = cmpxchg volatile ptr addrspace(4) %cast, i32 %cmp, i32 %val seq_cst monotonic
+  ret { i32, i1 } %ret
+}
+
+define { i32, i1 } @volatile_cmpxchg_group_to_flat(ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val) #0 {
+; CHECK-LABEL: define { i32, i1 } @volatile_cmpxchg_group_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[CMP:%.*]], i32 [[VAL:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(3) [[GROUP_PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    [[RET:%.*]] = cmpxchg volatile ptr addrspace(4) [[CAST]], i32 [[CMP]], i32 [[VAL]] seq_cst monotonic, align 4
+; CHECK-NEXT:    ret { i32, i1 } [[RET]]
+;
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  %ret = cmpxchg volatile ptr addrspace(4) %cast, i32 %cmp, i32 %val seq_cst monotonic
+  ret { i32, i1 } %ret
+}
+
+define spir_kernel void @volatile_memset_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_memset_group_to_flat(
+; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(3) [[GROUP_PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 [[CAST]], i8 4, i64 32, i1 true)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
+  call void @llvm.memset.p0.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 true)
+  ret void
+}
+
+define spir_kernel void @volatile_memset_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
+; CHECK-LABEL: define spir_kernel void @volatile_memset_global_to_flat(
+; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[GLOBAL_PTR]] to ptr addrspace(4)
+; CHECK-NEXT:    call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 [[CAST]], i8 4, i64 32, i1 true)
+; CHECK-NEXT:    ret void
+;
+  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
+  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 true)
+  ret void
+}
+
+declare void @llvm.memset.p4.i64(ptr addrspace(4) nocapture writeonly, i8, i64, i1) #1
+
+attributes #0 = { nounwind }
+attributes #1 = { argmemonly nounwind }

>From dc1a5f5d2e18b408fae3e04091dd653394695368 Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Wed, 2 Oct 2024 18:27:24 +0100
Subject: [PATCH 2/8] Fix formatting.

---
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp | 47 ++++++++++----------
 1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index 91bcd68813fc55..3caf000f171177 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -97,17 +97,15 @@ SPIRVTargetMachine::SPIRVTargetMachine(const Target &T, const Triple &TT,
   setRequiresStructuredCFG(false);
 }
 
-namespace {
-  enum AddressSpace {
-    Function = storageClassToAddressSpace(SPIRV::StorageClass::Function),
-    CrossWorkgroup =
-        storageClassToAddressSpace(SPIRV::StorageClass::CrossWorkgroup),
-    UniformConstant =
-        storageClassToAddressSpace(SPIRV::StorageClass::UniformConstant),
-    Workgroup = storageClassToAddressSpace(SPIRV::StorageClass::Workgroup),
-    Generic = storageClassToAddressSpace(SPIRV::StorageClass::Generic)
-  };
-}
+enum AddressSpace {
+  Function = storageClassToAddressSpace(SPIRV::StorageClass::Function),
+  CrossWorkgroup =
+      storageClassToAddressSpace(SPIRV::StorageClass::CrossWorkgroup),
+  UniformConstant =
+      storageClassToAddressSpace(SPIRV::StorageClass::UniformConstant),
+  Workgroup = storageClassToAddressSpace(SPIRV::StorageClass::Workgroup),
+  Generic = storageClassToAddressSpace(SPIRV::StorageClass::Generic)
+};
 
 unsigned SPIRVTargetMachine::getAssumedAddrSpace(const Value *V) const {
   const auto *LD = dyn_cast<LoadInst>(V);
@@ -148,9 +146,10 @@ SPIRVTargetMachine::getPredicatedAddrSpace(const Value *V) const {
   Value *Ptr;
   if (getTargetTriple().getVendor() == Triple::VendorType::AMD &&
       match(
-        const_cast<Value *>(V),
-        m_c_And(m_Not(m_Intrinsic<Intrinsic::amdgcn_is_shared>(m_Value(Ptr))),
-                m_Not(m_Intrinsic<Intrinsic::amdgcn_is_private>(m_Deferred(Ptr))))))
+          const_cast<Value *>(V),
+          m_c_And(m_Not(m_Intrinsic<Intrinsic::amdgcn_is_shared>(m_Value(Ptr))),
+                m_Not(m_Intrinsic<Intrinsic::amdgcn_is_private>(
+                    m_Deferred(Ptr))))))
     return std::pair(Ptr, AddressSpace::CrossWorkgroup);
 
   return std::pair(nullptr, UINT32_MAX);
@@ -165,19 +164,19 @@ bool SPIRVTargetMachine::isNoopAddrSpaceCast(unsigned SrcAS,
 }
 
 void SPIRVTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
-  PB.registerCGSCCOptimizerLateEPCallback([](CGSCCPassManager &PM,
-                                             OptimizationLevel Level) {
-    if (Level == OptimizationLevel::O0)
-      return;
+  PB.registerCGSCCOptimizerLateEPCallback(
+      [](CGSCCPassManager &PM, OptimizationLevel Level) {
+        if (Level == OptimizationLevel::O0)
+          return;
 
-    FunctionPassManager FPM;
+        FunctionPassManager FPM;
 
-    // Add infer address spaces pass to the opt pipeline after inlining
-    // but before SROA to increase SROA opportunities.
-    FPM.addPass(InferAddressSpacesPass(AddressSpace::Generic));
+        // Add infer address spaces pass to the opt pipeline after inlining
+        // but before SROA to increase SROA opportunities.
+        FPM.addPass(InferAddressSpacesPass(AddressSpace::Generic));
 
-    PM.addPass(createCGSCCToFunctionPassAdaptor(std::move(FPM)));
-  });
+        PM.addPass(createCGSCCToFunctionPassAdaptor(std::move(FPM)));
+      });
 }
 
 namespace {

>From 31a5ebe2248059c496043f234d994073f9066eb4 Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Sat, 12 Oct 2024 02:54:58 +0300
Subject: [PATCH 3/8] Reduce set of tests.

---
 .../SPIRV/infer-addrspacecast.ll              |  65 ------
 .../SPIRV/infer-getelementptr.ll              | 108 ----------
 .../SPIRV/insert-pos-assert.ll                | 158 ---------------
 .../InferAddressSpaces/SPIRV/is.constant.ll   |  57 ------
 .../SPIRV/mem-intrinsics.ll                   | 145 --------------
 .../SPIRV/multiple-uses-of-val.ll             |  70 -------
 .../InferAddressSpaces/SPIRV/prefetch.ll      |  60 ------
 .../preserving-debugloc-addrspacecast.ll      |  48 -----
 .../SPIRV/redundant-addrspacecast.ll          |  28 ---
 .../InferAddressSpaces/SPIRV/self-phi.ll      |  29 ---
 .../InferAddressSpaces/SPIRV/volatile.ll      | 187 ------------------
 11 files changed, 955 deletions(-)
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll
 delete mode 100644 llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll

diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll
deleted file mode 100644
index 4e64ec7174017d..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-addrspacecast.ll
+++ /dev/null
@@ -1,65 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-; Test that pure addrspacecast instructions not directly connected to
-; a memory operation are inferred.
-
-define void @addrspacecast_gep_addrspacecast(ptr addrspace(3) %ptr) {
-; CHECK-LABEL: define void @addrspacecast_gep_addrspacecast(
-; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
-; CHECK-NEXT:    store i32 8, ptr addrspace(3) [[GEP0]], align 8
-; CHECK-NEXT:    ret void
-;
-  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
-  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
-  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store i32 8, ptr addrspace(3) %asc1, align 8
-  ret void
-}
-
-define void @addrspacecast_different_pointee_type(ptr addrspace(3) %ptr) {
-; CHECK-LABEL: define void @addrspacecast_different_pointee_type(
-; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
-; CHECK-NEXT:    store i8 8, ptr addrspace(3) [[GEP0]], align 8
-; CHECK-NEXT:    ret void
-;
-  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
-  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
-  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store i8 8, ptr addrspace(3) %asc1, align 8
-  ret void
-}
-
-define void @addrspacecast_to_memory(ptr addrspace(3) %ptr) {
-; CHECK-LABEL: define void @addrspacecast_to_memory(
-; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
-; CHECK-NEXT:    store volatile ptr addrspace(3) [[GEP0]], ptr addrspace(1) undef, align
-; CHECK-NEXT:    ret void
-;
-  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
-  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
-  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store volatile ptr addrspace(3) %asc1, ptr addrspace(1) undef
-  ret void
-}
-
-define void @multiuse_addrspacecast_gep_addrspacecast(ptr addrspace(3) %ptr) {
-; CHECK-LABEL: define void @multiuse_addrspacecast_gep_addrspacecast(
-; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
-; CHECK-NEXT:    [[ASC0:%.*]] = addrspacecast ptr addrspace(3) [[PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    store volatile ptr addrspace(4) [[ASC0]], ptr addrspace(1) undef, align
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i32, ptr addrspace(3) [[PTR]], i64 9
-; CHECK-NEXT:    store i32 8, ptr addrspace(3) [[GEP0]], align 8
-; CHECK-NEXT:    ret void
-;
-  %asc0 = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
-  store volatile ptr addrspace(4) %asc0, ptr addrspace(1) undef
-  %gep0 = getelementptr i32, ptr addrspace(4) %asc0, i64 9
-  %asc1 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store i32 8, ptr addrspace(3) %asc1, align 8
-  ret void
-}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll
deleted file mode 100644
index 56412e50ed5d2c..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/infer-getelementptr.ll
+++ /dev/null
@@ -1,108 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-; Test that pure GetElementPtr instructions not directly connected to
-; a memory operation are inferred.
-
- at lds = internal unnamed_addr addrspace(3) global [648 x double] undef, align 8
-
-define void @simplified_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
-; CHECK-LABEL: @simplified_constexpr_gep_addrspacecast(
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr inbounds ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
-; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP0]], align 8
-; CHECK-NEXT:    ret void
-;
-  %gep0 = getelementptr inbounds double, ptr addrspace(4) addrspacecast (ptr addrspace(3) getelementptr inbounds ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384) to ptr addrspace(4)), i64 %idx0
-  %asc = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store double 1.000000e+00, ptr addrspace(3) %asc, align 8
-  ret void
-}
-
-define void @constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
-; CHECK-LABEL: @constexpr_gep_addrspacecast(
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
-; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP0]], align 8
-; CHECK-NEXT:    ret void
-;
-  %gep0 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx0
-  %asc = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store double 1.0, ptr addrspace(3) %asc, align 8
-  ret void
-}
-
-define void @constexpr_gep_gep_addrspacecast(i64 %idx0, i64 %idx1) {
-; CHECK-LABEL: @constexpr_gep_gep_addrspacecast(
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
-; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds double, ptr addrspace(3) [[GEP0]], i64 [[IDX1:%.*]]
-; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP1]], align 8
-; CHECK-NEXT:    ret void
-;
-  %gep0 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx0
-  %gep1 = getelementptr inbounds double, ptr addrspace(4) %gep0, i64 %idx1
-  %asc = addrspacecast ptr addrspace(4) %gep1 to ptr addrspace(3)
-  store double 1.0, ptr addrspace(3) %asc, align 8
-  ret void
-}
-
-; Don't crash
-define spir_kernel void @vector_gep(<4 x ptr addrspace(3)> %array) nounwind {
-; CHECK-LABEL: @vector_gep(
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast <4 x ptr addrspace(3)> [[ARRAY:%.*]] to <4 x ptr addrspace(4)>
-; CHECK-NEXT:    [[P:%.*]] = getelementptr [1024 x i32], <4 x ptr addrspace(4)> [[CAST]], <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
-; CHECK-NEXT:    [[P0:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 0
-; CHECK-NEXT:    [[P1:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 1
-; CHECK-NEXT:    [[P2:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 2
-; CHECK-NEXT:    [[P3:%.*]] = extractelement <4 x ptr addrspace(4)> [[P]], i32 3
-; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P0]], align 4
-; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P1]], align 4
-; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P2]], align 4
-; CHECK-NEXT:    store i32 99, ptr addrspace(4) [[P3]], align 4
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast <4 x ptr addrspace(3)> %array to <4 x ptr addrspace(4)>
-  %p = getelementptr [1024 x i32], <4 x ptr addrspace(4)> %cast, <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
-  %p0 = extractelement <4 x ptr addrspace(4)> %p, i32 0
-  %p1 = extractelement <4 x ptr addrspace(4)> %p, i32 1
-  %p2 = extractelement <4 x ptr addrspace(4)> %p, i32 2
-  %p3 = extractelement <4 x ptr addrspace(4)> %p, i32 3
-  store i32 99, ptr addrspace(4) %p0
-  store i32 99, ptr addrspace(4) %p1
-  store i32 99, ptr addrspace(4) %p2
-  store i32 99, ptr addrspace(4) %p3
-  ret void
-}
-
-define void @repeated_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
-; CHECK-LABEL: @repeated_constexpr_gep_addrspacecast(
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX0:%.*]]
-; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP0]], align 8
-; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds double, ptr addrspace(3) getelementptr ([648 x double], ptr addrspace(3) @lds, i64 0, i64 384), i64 [[IDX1:%.*]]
-; CHECK-NEXT:    store double 1.000000e+00, ptr addrspace(3) [[GEP1]], align 8
-; CHECK-NEXT:    ret void
-;
-  %gep0 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx0
-  %asc0 = addrspacecast ptr addrspace(4) %gep0 to ptr addrspace(3)
-  store double 1.0, ptr addrspace(3) %asc0, align 8
-
-  %gep1 = getelementptr inbounds double, ptr addrspace(4) getelementptr ([648 x double], ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i64 0, i64 384), i64 %idx1
-  %asc1 = addrspacecast ptr addrspace(4) %gep1 to ptr addrspace(3)
-  store double 1.0, ptr addrspace(3) %asc1, align 8
-
-  ret void
-}
-
-define void @unorder_constexpr_gep_bitcast() {
-; CHECK-LABEL: @unorder_constexpr_gep_bitcast(
-; CHECK-NEXT:    [[X0:%.*]] = load i32, ptr addrspace(3) @lds, align 4
-; CHECK-NEXT:    [[X1:%.*]] = load i32, ptr addrspace(3) getelementptr (i32, ptr addrspace(3) @lds, i32 1), align 4
-; CHECK-NEXT:    call void @use(i32 [[X0]], i32 [[X1]])
-; CHECK-NEXT:    ret void
-;
-  %x0 = load i32, ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), align 4
-  %x1 = load i32, ptr addrspace(4) getelementptr (i32, ptr addrspace(4) addrspacecast (ptr addrspace(3) @lds to ptr addrspace(4)), i32 1), align 4
-  call void @use(i32 %x0, i32 %x1)
-  ret void
-}
-
-declare void @use(i32, i32)
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll
deleted file mode 100644
index f736579c1765fe..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/insert-pos-assert.ll
+++ /dev/null
@@ -1,158 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s --check-prefix=SPIRV32
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s --check-prefix=SPIRV64
-
-; Addrspacecasts or bitcasts must be inserted after the instructions that define their uses.
-
-%struct.s0 = type { ptr addrspace(4), i32 }
-%struct.s1 = type { %struct.s0 }
-
- at global0 = protected addrspace(2) externally_initialized global %struct.s1 zeroinitializer
-
-declare i32 @func(ptr %arg)
-
-define i32 @addrspacecast_insert_pos_assert() {
-; CHECK-LABEL: @addrspacecast_insert_pos_assert(
-; CHECK-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4
-; CHECK-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(2) @global0, align 4
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[LOAD0]] to ptr addrspace(1)
-; CHECK-NEXT:    [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[TMP1]] to ptr addrspace(4)
-; CHECK-NEXT:    [[LOAD1:%.*]] = load i32, ptr [[ALLOCA]], align 4
-; CHECK-NEXT:    [[SEXT:%.*]] = sext i32 [[LOAD1]] to i64
-; CHECK-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[TMP2]], i64 [[SEXT]]
-; CHECK-NEXT:    [[CALL:%.*]] = call i32 @func(ptr addrspace(4) [[GEP]])
-; CHECK-NEXT:    ret i32 [[CALL]]
-;
-; SPIRV32-LABEL: @addrspacecast_insert_pos_assert(
-; SPIRV32-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4
-; SPIRV32-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(2) @global0, align 4
-; SPIRV32-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[LOAD0]] to ptr addrspace(1)
-; SPIRV32-NEXT:    [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[TMP1]] to ptr addrspace(4)
-; SPIRV32-NEXT:    [[LOAD1:%.*]] = load i32, ptr [[ALLOCA]], align 4
-; SPIRV32-NEXT:    [[SEXT:%.*]] = sext i32 [[LOAD1]] to i64
-; SPIRV32-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[TMP2]], i64 [[SEXT]]
-; SPIRV32-NEXT:    [[CALL:%.*]] = call i32 @func(ptr addrspace(4) [[GEP]])
-; SPIRV32-NEXT:    ret i32 [[CALL]]
-;
-; SPIRV64-LABEL: @addrspacecast_insert_pos_assert(
-; SPIRV64-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4
-; SPIRV64-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(2) @global0, align 8
-; SPIRV64-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[LOAD0]] to ptr addrspace(1)
-; SPIRV64-NEXT:    [[TMP2:%.*]] = addrspacecast ptr addrspace(1) [[TMP1]] to ptr addrspace(4)
-; SPIRV64-NEXT:    [[LOAD1:%.*]] = load i32, ptr [[ALLOCA]], align 4
-; SPIRV64-NEXT:    [[SEXT:%.*]] = sext i32 [[LOAD1]] to i64
-; SPIRV64-NEXT:    [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(4) [[TMP2]], i64 [[SEXT]]
-; SPIRV64-NEXT:    [[CALL:%.*]] = call i32 @func(ptr addrspace(4) [[GEP]])
-; SPIRV64-NEXT:    ret i32 [[CALL]]
-;
-  %alloca = alloca i32, align 4
-  %cast = addrspacecast ptr %alloca to ptr addrspace(4)
-  %load0 = load ptr addrspace(4), ptr addrspace(2) @global0
-  %load1 = load i32, ptr addrspace(4) %cast
-  %sext = sext i32 %load1 to i64
-  %gep = getelementptr inbounds i32, ptr addrspace(4) %load0, i64 %sext
-  %call = call i32 @func(ptr addrspace(4) %gep)
-  ret i32 %call
-}
-
-define void @bitcast_insert_pos_assert_1() {
-; CHECK-LABEL: @bitcast_insert_pos_assert_1(
-; CHECK-NEXT:  bb.0:
-; CHECK-NEXT:    [[ASC0:%.*]] = addrspacecast ptr undef to ptr addrspace(4)
-; CHECK-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; CHECK-NEXT:    br label [[BB_1:%.*]]
-; CHECK:       bb.1:
-; CHECK-NEXT:    br i1 undef, label [[BB_2:%.*]], label [[BB_3:%.*]]
-; CHECK:       bb.2:
-; CHECK-NEXT:    [[PTI1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; CHECK-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI1]] to ptr addrspace(4)
-; CHECK-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[ITP0]], align 8
-; CHECK-NEXT:    br label [[BB_3]]
-; CHECK:       bb.3:
-; CHECK-NEXT:    ret void
-;
-; SPIRV32-LABEL: @bitcast_insert_pos_assert_1(
-; SPIRV32-NEXT:  bb.0:
-; SPIRV32-NEXT:    [[ASC0:%.*]] = addrspacecast ptr undef to ptr addrspace(4)
-; SPIRV32-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; SPIRV32-NEXT:    br label [[BB_1:%.*]]
-; SPIRV32:       bb.1:
-; SPIRV32-NEXT:    br i1 undef, label [[BB_2:%.*]], label [[BB_3:%.*]]
-; SPIRV32:       bb.2:
-; SPIRV32-NEXT:    [[PTI1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; SPIRV32-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI1]] to ptr addrspace(4)
-; SPIRV32-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr addrspace(4) [[ITP0]], align 8
-; SPIRV32-NEXT:    br label [[BB_3]]
-; SPIRV32:       bb.3:
-; SPIRV32-NEXT:    ret void
-;
-; SPIRV64-LABEL: @bitcast_insert_pos_assert_1(
-; SPIRV64-NEXT:  bb.0:
-; SPIRV64-NEXT:    [[ASC0:%.*]] = addrspacecast ptr undef to ptr addrspace(4)
-; SPIRV64-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; SPIRV64-NEXT:    br label [[BB_1:%.*]]
-; SPIRV64:       bb.1:
-; SPIRV64-NEXT:    br i1 undef, label [[BB_2:%.*]], label [[BB_3:%.*]]
-; SPIRV64:       bb.2:
-; SPIRV64-NEXT:    [[LOAD0:%.*]] = load ptr addrspace(4), ptr undef, align 8
-; SPIRV64-NEXT:    br label [[BB_3]]
-; SPIRV64:       bb.3:
-; SPIRV64-NEXT:    ret void
-;
-bb.0:
-  %asc0 = addrspacecast ptr undef to ptr addrspace(4)
-  %pti0 = ptrtoint ptr addrspace(4) %asc0 to i64
-  br label %bb.1
-
-bb.1:
-  br i1 undef, label %bb.2, label %bb.3
-
-bb.2:
-  %pti1 = ptrtoint ptr addrspace(4) %asc0 to i64
-  %itp0 = inttoptr i64 %pti1 to ptr addrspace(4)
-  %load0 = load ptr addrspace(4), ptr addrspace(4) %itp0, align 8
-  br label %bb.3
-
-bb.3:
-  ret void
-}
-
-define void @bitcast_insert_pos_assert_2() {
-; CHECK-LABEL: @bitcast_insert_pos_assert_2(
-; CHECK-NEXT:    [[ALLOCA0:%.*]] = alloca [[STRUCT_S1:%.*]], align 16
-; CHECK-NEXT:    [[ASC0:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
-; CHECK-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; CHECK-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI0]] to ptr addrspace(4)
-; CHECK-NEXT:    [[ITP1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; CHECK-NEXT:    [[ITP2:%.*]] = inttoptr i64 [[ITP1]] to ptr addrspace(4)
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr i64, ptr addrspace(4) [[ITP2]], i64 1
-; CHECK-NEXT:    ret void
-;
-; SPIRV32-LABEL: @bitcast_insert_pos_assert_2(
-; SPIRV32-NEXT:    [[ALLOCA0:%.*]] = alloca [[STRUCT_S1:%.*]], align 16
-; SPIRV32-NEXT:    [[ASC0:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
-; SPIRV32-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; SPIRV32-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI0]] to ptr addrspace(4)
-; SPIRV32-NEXT:    [[ITP1:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; SPIRV32-NEXT:    [[ITP2:%.*]] = inttoptr i64 [[ITP1]] to ptr addrspace(4)
-; SPIRV32-NEXT:    [[GEP0:%.*]] = getelementptr i64, ptr addrspace(4) [[ITP2]], i64 1
-; SPIRV32-NEXT:    ret void
-;
-; SPIRV64-LABEL: @bitcast_insert_pos_assert_2(
-; SPIRV64-NEXT:    [[ALLOCA0:%.*]] = alloca [[STRUCT_S1:%.*]], align 16
-; SPIRV64-NEXT:    [[ASC0:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
-; SPIRV64-NEXT:    [[PTI0:%.*]] = ptrtoint ptr addrspace(4) [[ASC0]] to i64
-; SPIRV64-NEXT:    [[ITP0:%.*]] = inttoptr i64 [[PTI0]] to ptr addrspace(4)
-; SPIRV64-NEXT:    [[TMP1:%.*]] = addrspacecast ptr [[ALLOCA0]] to ptr addrspace(4)
-; SPIRV64-NEXT:    [[GEP0:%.*]] = getelementptr i64, ptr addrspace(4) [[TMP1]], i64 1
-; SPIRV64-NEXT:    ret void
-;
-  %alloca0 = alloca %struct.s1, align 16
-  %asc0 = addrspacecast ptr %alloca0 to ptr addrspace(4)
-  %pti0 = ptrtoint ptr addrspace(4) %asc0 to i64
-  %itp0 = inttoptr i64 %pti0 to ptr addrspace(4)
-  %itp1 = ptrtoint ptr addrspace(4) %asc0 to i64
-  %itp2 = inttoptr i64 %itp1 to ptr addrspace(4)
-  %gep0 = getelementptr i64, ptr addrspace(4) %itp2, i64 1
-  ret void
-}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll
deleted file mode 100644
index d6a58d2fccde06..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/is.constant.ll
+++ /dev/null
@@ -1,57 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-define i1 @is_constant_global_to_flat(ptr addrspace(1) %ptr) {
-; CHECK-LABEL: define i1 @is_constant_global_to_flat(
-; CHECK-SAME: ptr addrspace(1) [[PTR:%.*]]) {
-; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.p1(ptr addrspace(1) [[PTR]])
-; CHECK-NEXT:    ret i1 [[RET]]
-;
-  %cast = addrspacecast ptr addrspace(1) %ptr to ptr addrspace(4)
-  %ret = call i1 @llvm.is.constant.p4(ptr addrspace(4) %cast)
-  ret i1 %ret
-}
-
-define i1 @is_constant_local_to_flat(ptr addrspace(3) %ptr) {
-; CHECK-LABEL: define i1 @is_constant_local_to_flat(
-; CHECK-SAME: ptr addrspace(3) [[PTR:%.*]]) {
-; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.p3(ptr addrspace(3) [[PTR]])
-; CHECK-NEXT:    ret i1 [[RET]]
-;
-  %cast = addrspacecast ptr addrspace(3) %ptr to ptr addrspace(4)
-  %ret = call i1 @llvm.is.constant.p4(ptr addrspace(4) %cast)
-  ret i1 %ret
-}
-
-define i1 @is_constant_private_to_flat(ptr %ptr) {
-; CHECK-LABEL: define i1 @is_constant_private_to_flat(
-; CHECK-SAME: ptr [[PTR:%.*]]) {
-; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.p0(ptr [[PTR]])
-; CHECK-NEXT:    ret i1 [[RET]]
-;
-  %cast = addrspacecast ptr %ptr to ptr addrspace(4)
-  %ret = call i1 @llvm.is.constant.p4(ptr addrspace(4) %cast)
-  ret i1 %ret
-}
-
-define i1 @is_constant_private_to_flat_v2(<2 x ptr> %ptr) {
-; CHECK-LABEL: define i1 @is_constant_private_to_flat_v2(
-; CHECK-SAME: <2 x ptr> [[PTR:%.*]]) {
-; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.v2p0(<2 x ptr> [[PTR]])
-; CHECK-NEXT:    ret i1 [[RET]]
-;
-  %cast = addrspacecast <2 x ptr> %ptr to <2 x ptr addrspace(4)>
-  %ret = call i1 @llvm.is.constant.v2p4(<2 x ptr addrspace(4)> %cast)
-  ret i1 %ret
-}
-
-define i1 @is_constant_i32(i32 %val) {
-; CHECK-LABEL: define i1 @is_constant_i32(
-; CHECK-SAME: i32 [[VAL:%.*]]) {
-; CHECK-NEXT:    [[RET:%.*]] = call i1 @llvm.is.constant.i32(i32 [[VAL]])
-; CHECK-NEXT:    ret i1 [[RET]]
-;
-  %ret = call i1 @llvm.is.constant.i32(i32 %val)
-  ret i1 %ret
-}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll
deleted file mode 100644
index fd60c307a35fca..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/mem-intrinsics.ll
+++ /dev/null
@@ -1,145 +0,0 @@
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-; CHECK-LABEL: @memset_group_to_flat(
-; CHECK: call void @llvm.memset.p3.i64(ptr addrspace(3) align 4 %group.ptr, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memset_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memset_global_to_flat(
-; CHECK: call void @llvm.memset.p1.i64(ptr addrspace(1) align 4 %global.ptr, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memset_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
-  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
-  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memset_group_to_flat_no_md(
-; CHECK: call void @llvm.memset.p3.i64(ptr addrspace(3) align 4 %group.ptr, i8 4, i64 %size, i1 false){{$}}
-define spir_kernel void @memset_group_to_flat_no_md(ptr addrspace(3) %group.ptr, i64 %size) #0 {
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 %size, i1 false)
-  ret void
-}
-
-; CHECK-LABEL: @memset_global_to_flat_no_md(
-; CHECK: call void @llvm.memset.p1.i64(ptr addrspace(1) align 4 %global.ptr, i8 4, i64 %size, i1 false){{$}}
-define spir_kernel void @memset_global_to_flat_no_md(ptr addrspace(1) %global.ptr, i64 %size) #0 {
-  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
-  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 %size, i1 false)
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_flat_to_flat_replace_src_with_group(
-; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_flat_to_flat_replace_src_with_group(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_inline_flat_to_flat_replace_src_with_group(
-; CHECK: call void @llvm.memcpy.inline.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 42, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_inline_flat_to_flat_replace_src_with_group(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.inline.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 42, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_flat_to_flat_replace_dest_with_group(
-; CHECK: call void @llvm.memcpy.p3.p4.i64(ptr addrspace(3) align 4 %dest.group.ptr, ptr addrspace(4) align 4 %src.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_flat_to_flat_replace_dest_with_group(ptr addrspace(3) %dest.group.ptr, ptr addrspace(4) %src.ptr, i64 %size) #0 {
-  %cast.dest = addrspacecast ptr addrspace(3) %dest.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(4) align 4 %src.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_flat_to_flat_replace_dest_src_with_group(
-; CHECK: call void @llvm.memcpy.p3.p3.i64(ptr addrspace(3) align 4 %src.group.ptr, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_flat_to_flat_replace_dest_src_with_group(ptr addrspace(3) %dest.group.ptr, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  %cast.dest = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_flat_to_flat_replace_dest_group_src_global(
-; CHECK: call void @llvm.memcpy.p3.p1.i64(ptr addrspace(3) align 4 %dest.group.ptr, ptr addrspace(1) align 4 %src.global.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_flat_to_flat_replace_dest_group_src_global(ptr addrspace(3) %dest.group.ptr, ptr addrspace(1) %src.global.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(1) %src.global.ptr to ptr addrspace(4)
-  %cast.dest = addrspacecast ptr addrspace(3) %dest.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_group_to_flat_replace_dest_global(
-; CHECK: call void @llvm.memcpy.p1.p3.i32(ptr addrspace(1) align 4 %dest.global.ptr, ptr addrspace(3) align 4 %src.group.ptr, i32 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_group_to_flat_replace_dest_global(ptr addrspace(1) %dest.global.ptr, ptr addrspace(3) %src.group.ptr, i32 %size) #0 {
-  %cast.dest = addrspacecast ptr addrspace(1) %dest.global.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p3.i32(ptr addrspace(4) align 4 %cast.dest, ptr addrspace(3) align 4 %src.group.ptr, i32 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_flat_to_flat_replace_src_with_group_tbaa_struct(
-; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa.struct !8
-define spir_kernel void @memcpy_flat_to_flat_replace_src_with_group_tbaa_struct(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa.struct !8
-  ret void
-}
-
-; CHECK-LABEL: @memcpy_flat_to_flat_replace_src_with_group_no_md(
-; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false){{$}}
-define spir_kernel void @memcpy_flat_to_flat_replace_src_with_group_no_md(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false)
-  ret void
-}
-
-; CHECK-LABEL: @multiple_memcpy_flat_to_flat_replace_src_with_group_no_md(
-; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest0, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false){{$}}
-; CHECK: call void @llvm.memcpy.p4.p3.i64(ptr addrspace(4) align 4 %dest1, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false){{$}}
-define spir_kernel void @multiple_memcpy_flat_to_flat_replace_src_with_group_no_md(ptr addrspace(4) %dest0, ptr addrspace(4) %dest1, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest0, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %dest1, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false)
-  ret void
-}
-
-; Check for iterator problems if the pointer has 2 uses in the same call
-; CHECK-LABEL: @memcpy_group_flat_to_flat_self(
-; CHECK: call void @llvm.memcpy.p3.p3.i64(ptr addrspace(3) align 4 %group.ptr, ptr addrspace(3) align 4 %group.ptr, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memcpy_group_flat_to_flat_self(ptr addrspace(3) %group.ptr) #0 {
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  call void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) align 4 %cast, ptr addrspace(4) align 4 %cast, i64 32, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-; CHECK-LABEL: @memmove_flat_to_flat_replace_src_with_group(
-; CHECK: call void @llvm.memmove.p4.p3.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(3) align 4 %src.group.ptr, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-define spir_kernel void @memmove_flat_to_flat_replace_src_with_group(ptr addrspace(4) %dest, ptr addrspace(3) %src.group.ptr, i64 %size) #0 {
-  %cast.src = addrspacecast ptr addrspace(3) %src.group.ptr to ptr addrspace(4)
-  call void @llvm.memmove.p4.p4.i64(ptr addrspace(4) align 4 %dest, ptr addrspace(4) align 4 %cast.src, i64 %size, i1 false), !tbaa !0, !alias.scope !3, !noalias !6
-  ret void
-}
-
-declare void @llvm.memset.p4.i64(ptr addrspace(4) nocapture writeonly, i8, i64, i1) #1
-declare void @llvm.memcpy.p4.p4.i64(ptr addrspace(4) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1) #1
-declare void @llvm.memcpy.inline.p4.p4.i64(ptr addrspace(4) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1) #1
-declare void @llvm.memcpy.p4.p3.i32(ptr addrspace(4) nocapture writeonly, ptr addrspace(3) nocapture readonly, i32, i1) #1
-declare void @llvm.memmove.p4.p4.i64(ptr addrspace(4) nocapture writeonly, ptr addrspace(4) nocapture readonly, i64, i1) #1
-
-attributes #0 = { nounwind }
-attributes #1 = { argmemonly nounwind }
-
-!0 = !{!1, !1, i64 0}
-!1 = !{!"A", !2}
-!2 = !{!"tbaa root"}
-!3 = !{!4}
-!4 = distinct !{!4, !5, !"some scope 1"}
-!5 = distinct !{!5, !"some domain"}
-!6 = !{!7}
-!7 = distinct !{!7, !5, !"some scope 2"}
-!8 = !{i64 0, i64 8, null}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll
deleted file mode 100644
index 83725d22df3124..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/multiple-uses-of-val.ll
+++ /dev/null
@@ -1,70 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=spirv32-- -S -passes=infer-address-spaces --verify-each %s | FileCheck %s
-; RUN: opt -mtriple=spirv64-- -S -passes=infer-address-spaces --verify-each %s | FileCheck %s
-
-; Inst can use a value multiple time. When we're inserting an addrspacecast to flat,
-; it's important all the identical uses use an indentical replacement, especially
-; for PHIs.
-
-define spir_kernel void @test_phi() {
-; CHECK-LABEL: @test_phi(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LOADED_PTR:%.*]] = load ptr addrspace(4), ptr addrspace(2) null, align 8
-; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[LOADED_PTR]] to ptr addrspace(1)
-; CHECK-NEXT:    br label [[BB0:%.*]]
-; CHECK:       bb0:
-; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i64, ptr addrspace(1) [[TMP0]], i64 3
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[GEP]] to ptr addrspace(4)
-; CHECK-NEXT:    switch i32 0, label [[END:%.*]] [
-; CHECK-NEXT:      i32 1, label [[END]]
-; CHECK-NEXT:      i32 4, label [[END]]
-; CHECK-NEXT:      i32 5, label [[BB1:%.*]]
-; CHECK-NEXT:    ]
-; CHECK:       bb1:
-; CHECK-NEXT:    [[TMP2:%.*]] = load double, ptr addrspace(1) [[GEP]], align 16
-; CHECK-NEXT:    br label [[END]]
-; CHECK:       end:
-; CHECK-NEXT:    [[RETVAL_SROA_0_0_I569_PH:%.*]] = phi ptr addrspace(4) [ null, [[BB1]] ], [ [[TMP1]], [[BB0]] ], [ [[TMP1]], [[BB0]] ], [ [[TMP1]], [[BB0]] ]
-; CHECK-NEXT:    ret void
-;
-entry:
-  %loaded.ptr = load ptr addrspace(4), ptr addrspace(2) null, align 8
-  br label %bb0
-
-bb0:
-  %gep = getelementptr i64, ptr addrspace(4) %loaded.ptr, i64 3
-  switch i32 0, label %end [
-  i32 1, label %end
-  i32 4, label %end
-  i32 5, label %bb1
-  ]
-
-bb1:
-  %0 = load double, ptr addrspace(4) %gep, align 16
-  br label %end
-
-end:
-  %retval.sroa.0.0.i569.ph = phi ptr addrspace(4) [ null, %bb1 ], [ %gep, %bb0 ], [ %gep, %bb0 ], [ %gep, %bb0 ]
-  ret void
-}
-
-declare void @uses_ptrs(ptr addrspace(4), ptr addrspace(4), ptr addrspace(4))
-
-; We shouldn't treat PHIs differently, even other users should have the same treatment.
-; All occurences of %gep are replaced with an identical value.
-define spir_kernel void @test_other() {
-; CHECK-LABEL: @test_other(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[LOADED_PTR:%.*]] = load ptr addrspace(4), ptr addrspace(2) null, align 8
-; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(4) [[LOADED_PTR]] to ptr addrspace(1)
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[TMP0]] to ptr addrspace(4)
-; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i64, ptr addrspace(4) [[TMP1]], i64 3
-; CHECK-NEXT:    call void @uses_ptrs(ptr addrspace(4) [[GEP]], ptr addrspace(4) [[GEP]], ptr addrspace(4) [[GEP]])
-; CHECK-NEXT:    ret void
-;
-entry:
-  %loaded.ptr = load ptr addrspace(4), ptr addrspace(2) null, align 8
-  %gep = getelementptr i64, ptr addrspace(4) %loaded.ptr, i64 3
-  call void @uses_ptrs(ptr addrspace(4) %gep, ptr addrspace(4) %gep, ptr addrspace(4) %gep)
-  ret void
-}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll
deleted file mode 100644
index b7c773e92cb2f5..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/prefetch.ll
+++ /dev/null
@@ -1,60 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-define void @prefetch_shared_to_flat(ptr addrspace(3) %group.ptr) {
-; CHECK-LABEL: define void @prefetch_shared_to_flat(
-; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]]) {
-; CHECK-NEXT:    tail call void @llvm.prefetch.p3(ptr addrspace(3) [[GROUP_PTR]], i32 0, i32 0, i32 1)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  tail call void @llvm.prefetch.p4(ptr addrspace(4) %cast, i32 0, i32 0, i32 1)
-  ret void
-}
-
-define void @prefetch_global_to_flat(ptr addrspace(1) %global.ptr) {
-; CHECK-LABEL: define void @prefetch_global_to_flat(
-; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]]) {
-; CHECK-NEXT:    tail call void @llvm.prefetch.p1(ptr addrspace(1) [[GLOBAL_PTR]], i32 0, i32 0, i32 1)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
-  tail call void @llvm.prefetch.p4(ptr addrspace(4) %cast, i32 0, i32 0, i32 1)
-  ret void
-}
-
-define void @prefetch_constant_to_flat(ptr addrspace(2) %const.ptr) {
-; CHECK-LABEL: define void @prefetch_constant_to_flat(
-; CHECK-SAME: ptr addrspace(2) [[CONST_PTR:%.*]]) {
-; CHECK-NEXT:    tail call void @llvm.prefetch.p2(ptr addrspace(2) [[CONST_PTR]], i32 0, i32 0, i32 1)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(2) %const.ptr to ptr addrspace(4)
-  tail call void @llvm.prefetch.p4(ptr addrspace(4) %cast, i32 0, i32 0, i32 1)
-  ret void
-}
-
-define void @prefetch_flat_to_shared(ptr addrspace(4) %flat.ptr) {
-; CHECK-LABEL: define void @prefetch_flat_to_shared(
-; CHECK-SAME: ptr addrspace(4) [[FLAT_PTR:%.*]]) {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(4) [[FLAT_PTR]] to ptr addrspace(3)
-; CHECK-NEXT:    tail call void @llvm.prefetch.p3(ptr addrspace(3) [[CAST]], i32 0, i32 0, i32 1)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(4) %flat.ptr to ptr addrspace(3)
-  tail call void @llvm.prefetch.p3(ptr addrspace(3) %cast, i32 0, i32 0, i32 1)
-  ret void
-}
-
-define void @prefetch_flat_to_global(ptr addrspace(4) %flat.ptr) {
-; CHECK-LABEL: define void @prefetch_flat_to_global(
-; CHECK-SAME: ptr addrspace(4) [[FLAT_PTR:%.*]]) {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(4) [[FLAT_PTR]] to ptr addrspace(1)
-; CHECK-NEXT:    tail call void @llvm.prefetch.p1(ptr addrspace(1) [[CAST]], i32 0, i32 0, i32 1)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(4) %flat.ptr to ptr addrspace(1)
-  tail call void @llvm.prefetch.p1(ptr addrspace(1) %cast, i32 0, i32 0, i32 1)
-  ret void
-}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll
deleted file mode 100644
index 296e3af86647e2..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/preserving-debugloc-addrspacecast.ll
+++ /dev/null
@@ -1,48 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces -o - %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces -o - %s | FileCheck %s
-
-; Check that InferAddressSpaces's cloneInstructionWithNewAddressSpace() propagates
-; the debug location to new addrspacecast instruction which casts `%p` in the following test.
-
- at c0 = addrspace(2) global ptr poison
-
-define float @generic_ptr_from_constant() !dbg !5 {
-; CHECK-LABEL: define float @generic_ptr_from_constant(
-; CHECK-SAME: ) !dbg [[DBG5:![0-9]+]] {
-; CHECK-NEXT:    [[P:%.*]] = load ptr addrspace(4), ptr addrspace(2) @c0, align 8, !dbg [[DBG8:![0-9]+]]
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(4) [[P]] to ptr addrspace(1), !dbg [[DBG8]]
-; CHECK-NEXT:    [[V:%.*]] = load float, ptr addrspace(1) [[TMP1]], align 4, !dbg [[DBG9:![0-9]+]]
-; CHECK-NEXT:    ret float [[V]], !dbg [[DBG10:![0-9]+]]
-;
-  %p = load ptr addrspace(4), ptr addrspace(2) @c0, align 8, !dbg !8
-  %v = load float, ptr addrspace(4) %p, align 4, !dbg !9
-  ret float %v, !dbg !10
-}
-
-!llvm.dbg.cu = !{!0}
-!llvm.debugify = !{!2, !3}
-!llvm.module.flags = !{!4}
-
-;
-!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
-!1 = !DIFile(filename: "temp.ll", directory: "/")
-!2 = !{i32 3}
-!3 = !{i32 0}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!5 = distinct !DISubprogram(name: "generic_ptr_from_constant", linkageName: "generic_ptr_from_constant", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
-!6 = !DISubroutineType(types: !7)
-!7 = !{}
-!8 = !DILocation(line: 1, column: 1, scope: !5)
-!9 = !DILocation(line: 2, column: 1, scope: !5)
-!10 = !DILocation(line: 3, column: 1, scope: !5)
-;.
-; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C, file: [[META1:![0-9]+]], producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
-; CHECK: [[META1]] = !DIFile(filename: "temp.ll", directory: {{.*}})
-; CHECK: [[DBG5]] = distinct !DISubprogram(name: "generic_ptr_from_constant", linkageName: "generic_ptr_from_constant", scope: null, file: [[META1]], line: 1, type: [[META6:![0-9]+]], scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]])
-; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
-; CHECK: [[META7]] = !{}
-; CHECK: [[DBG8]] = !DILocation(line: 1, column: 1, scope: [[DBG5]])
-; CHECK: [[DBG9]] = !DILocation(line: 2, column: 1, scope: [[DBG5]])
-; CHECK: [[DBG10]] = !DILocation(line: 3, column: 1, scope: [[DBG5]])
-;.
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll
deleted file mode 100644
index 3b5d4b7adc3a7d..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/redundant-addrspacecast.ll
+++ /dev/null
@@ -1,28 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-%0 = type { i8, i8, i8 }
-
-; Make sure there is only one addrspacecast. The original cast should
-; not be cloned to satisfy the second user.
-define void @bar(ptr addrspace(1) %orig.ptr) {
-; CHECK-LABEL: @bar(
-; CHECK-NEXT:  bb:
-; CHECK-NEXT:    [[ORIG_CAST:%.*]] = addrspacecast ptr addrspace(1) [[ORIG_PTR:%.*]] to ptr addrspace(4)
-; CHECK-NEXT:    [[GEP0:%.*]] = getelementptr inbounds [[TMP0:%.*]], ptr addrspace(4) [[ORIG_CAST]], i64 0, i32 1
-; CHECK-NEXT:    call void @foo(ptr addrspace(4) [[GEP0]])
-; CHECK-NEXT:    [[GEP1:%.*]] = getelementptr inbounds [[TMP0]], ptr addrspace(4) [[ORIG_CAST]], i64 0, i32 2
-; CHECK-NEXT:    call void @foo(ptr addrspace(4) [[GEP1]])
-; CHECK-NEXT:    ret void
-;
-bb:
-  %orig.cast = addrspacecast ptr addrspace(1) %orig.ptr to ptr addrspace(4)
-  %gep0 = getelementptr inbounds %0, ptr addrspace(4) %orig.cast, i64 0, i32 1
-  call void @foo(ptr addrspace(4) %gep0)
-  %gep1 = getelementptr inbounds %0, ptr addrspace(4) %orig.cast, i64 0, i32 2
-  call void @foo(ptr addrspace(4) %gep1)
-  ret void
-}
-
-declare void @foo(ptr addrspace(4))
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll
deleted file mode 100644
index ec5c31f32d513b..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/self-phi.ll
+++ /dev/null
@@ -1,29 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=spirv32-- -S -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -mtriple=spirv64-- -S -passes=infer-address-spaces %s | FileCheck %s
-
-define spir_kernel void @phi_self(ptr addrspace(1) %arg) {
-; CHECK-LABEL: @phi_self(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    br label [[LOOP:%.*]]
-; CHECK:       loop:
-; CHECK-NEXT:    [[I:%.*]] = phi ptr addrspace(1) [ [[I]], [[LOOP]] ], [ [[ARG:%.*]], [[ENTRY:%.*]] ]
-; CHECK-NEXT:    [[I1:%.*]] = load i8, ptr addrspace(1) [[I]], align 1
-; CHECK-NEXT:    [[I2:%.*]] = icmp eq i8 [[I1]], 0
-; CHECK-NEXT:    br i1 [[I2]], label [[LOOP]], label [[RET:%.*]]
-; CHECK:       ret:
-; CHECK-NEXT:    ret void
-;
-entry:
-  %cast = addrspacecast ptr addrspace(1) %arg to ptr addrspace(4)
-  br label %loop
-
-loop:
-  %i = phi ptr addrspace(4) [%i, %loop], [%cast, %entry]
-  %i1 = load i8, ptr addrspace(4) %i, align 1
-  %i2 = icmp eq i8 %i1, 0
-  br i1 %i2, label %loop, label %ret
-
-ret:
-  ret void
-}
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll
deleted file mode 100644
index b835a008a91e0e..00000000000000
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/volatile.ll
+++ /dev/null
@@ -1,187 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces %s | FileCheck %s
-
-; Check that volatile users of addrspacecast are not replaced.
-
-define spir_kernel void @volatile_load_flat_from_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_global(
-; CHECK-SAME: ptr addrspace(1) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0:[0-9]+]] {
-; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(1) [[INPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
-; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(1) [[OUTPUT]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
-  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
-  store i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define spir_kernel void @volatile_load_flat_from_constant(ptr addrspace(2) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_constant(
-; CHECK-SAME: ptr addrspace(2) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(2) [[INPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
-; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(1) [[OUTPUT]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr addrspace(2) %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
-  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
-  store i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define spir_kernel void @volatile_load_flat_from_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_group(
-; CHECK-SAME: ptr addrspace(3) nocapture [[INPUT:%.*]], ptr addrspace(3) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr addrspace(3) [[INPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
-; CHECK-NEXT:    store i32 [[VAL]], ptr addrspace(3) [[OUTPUT]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr addrspace(3) %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr addrspace(3) %output to ptr addrspace(4)
-  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
-  store i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define spir_kernel void @volatile_load_flat_from_private(ptr nocapture %input, ptr nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_load_flat_from_private(
-; CHECK-SAME: ptr nocapture [[INPUT:%.*]], ptr nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[TMP0:%.*]] = addrspacecast ptr [[INPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load volatile i32, ptr addrspace(4) [[TMP0]], align 4
-; CHECK-NEXT:    store i32 [[VAL]], ptr [[OUTPUT]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr %output to ptr addrspace(4)
-  %val = load volatile i32, ptr addrspace(4) %tmp0, align 4
-  store i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define spir_kernel void @volatile_store_flat_to_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_store_flat_to_global(
-; CHECK-SAME: ptr addrspace(1) nocapture [[INPUT:%.*]], ptr addrspace(1) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(1) [[OUTPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(1) [[INPUT]], align 4
-; CHECK-NEXT:    store volatile i32 [[VAL]], ptr addrspace(4) [[TMP1]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr addrspace(1) %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr addrspace(1) %output to ptr addrspace(4)
-  %val = load i32, ptr addrspace(4) %tmp0, align 4
-  store volatile i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define spir_kernel void @volatile_store_flat_to_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_store_flat_to_group(
-; CHECK-SAME: ptr addrspace(3) nocapture [[INPUT:%.*]], ptr addrspace(3) nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr addrspace(3) [[OUTPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr addrspace(3) [[INPUT]], align 4
-; CHECK-NEXT:    store volatile i32 [[VAL]], ptr addrspace(4) [[TMP1]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr addrspace(3) %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr addrspace(3) %output to ptr addrspace(4)
-  %val = load i32, ptr addrspace(4) %tmp0, align 4
-  store volatile i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define spir_kernel void @volatile_store_flat_to_private(ptr nocapture %input, ptr nocapture %output) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_store_flat_to_private(
-; CHECK-SAME: ptr nocapture [[INPUT:%.*]], ptr nocapture [[OUTPUT:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[TMP1:%.*]] = addrspacecast ptr [[OUTPUT]] to ptr addrspace(4)
-; CHECK-NEXT:    [[VAL:%.*]] = load i32, ptr [[INPUT]], align 4
-; CHECK-NEXT:    store volatile i32 [[VAL]], ptr addrspace(4) [[TMP1]], align 4
-; CHECK-NEXT:    ret void
-;
-  %tmp0 = addrspacecast ptr %input to ptr addrspace(4)
-  %tmp1 = addrspacecast ptr %output to ptr addrspace(4)
-  %val = load i32, ptr addrspace(4) %tmp0, align 4
-  store volatile i32 %val, ptr addrspace(4) %tmp1, align 4
-  ret void
-}
-
-define i32 @volatile_atomicrmw_add_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
-; CHECK-LABEL: define i32 @volatile_atomicrmw_add_group_to_flat(
-; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(3) [[GROUP_PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    [[RET:%.*]] = atomicrmw volatile add ptr addrspace(4) [[CAST]], i32 [[Y]] seq_cst, align 4
-; CHECK-NEXT:    ret i32 [[RET]]
-;
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  %ret = atomicrmw volatile add ptr addrspace(4) %cast, i32 %y seq_cst
-  ret i32 %ret
-}
-
-define i32 @volatile_atomicrmw_add_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
-; CHECK-LABEL: define i32 @volatile_atomicrmw_add_global_to_flat(
-; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[GLOBAL_PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    [[RET:%.*]] = atomicrmw volatile add ptr addrspace(4) [[CAST]], i32 [[Y]] seq_cst, align 4
-; CHECK-NEXT:    ret i32 [[RET]]
-;
-  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
-  %ret = atomicrmw volatile add ptr addrspace(4) %cast, i32 %y seq_cst
-  ret i32 %ret
-}
-
-define { i32, i1 } @volatile_cmpxchg_global_to_flat(ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val) #0 {
-; CHECK-LABEL: define { i32, i1 } @volatile_cmpxchg_global_to_flat(
-; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[CMP:%.*]], i32 [[VAL:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[GLOBAL_PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    [[RET:%.*]] = cmpxchg volatile ptr addrspace(4) [[CAST]], i32 [[CMP]], i32 [[VAL]] seq_cst monotonic, align 4
-; CHECK-NEXT:    ret { i32, i1 } [[RET]]
-;
-  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
-  %ret = cmpxchg volatile ptr addrspace(4) %cast, i32 %cmp, i32 %val seq_cst monotonic
-  ret { i32, i1 } %ret
-}
-
-define { i32, i1 } @volatile_cmpxchg_group_to_flat(ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val) #0 {
-; CHECK-LABEL: define { i32, i1 } @volatile_cmpxchg_group_to_flat(
-; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[CMP:%.*]], i32 [[VAL:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(3) [[GROUP_PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    [[RET:%.*]] = cmpxchg volatile ptr addrspace(4) [[CAST]], i32 [[CMP]], i32 [[VAL]] seq_cst monotonic, align 4
-; CHECK-NEXT:    ret { i32, i1 } [[RET]]
-;
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  %ret = cmpxchg volatile ptr addrspace(4) %cast, i32 %cmp, i32 %val seq_cst monotonic
-  ret { i32, i1 } %ret
-}
-
-define spir_kernel void @volatile_memset_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_memset_group_to_flat(
-; CHECK-SAME: ptr addrspace(3) [[GROUP_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(3) [[GROUP_PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 [[CAST]], i8 4, i64 32, i1 true)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(3) %group.ptr to ptr addrspace(4)
-  call void @llvm.memset.p0.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 true)
-  ret void
-}
-
-define spir_kernel void @volatile_memset_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
-; CHECK-LABEL: define spir_kernel void @volatile_memset_global_to_flat(
-; CHECK-SAME: ptr addrspace(1) [[GLOBAL_PTR:%.*]], i32 [[Y:%.*]]) #[[ATTR0]] {
-; CHECK-NEXT:    [[CAST:%.*]] = addrspacecast ptr addrspace(1) [[GLOBAL_PTR]] to ptr addrspace(4)
-; CHECK-NEXT:    call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 [[CAST]], i8 4, i64 32, i1 true)
-; CHECK-NEXT:    ret void
-;
-  %cast = addrspacecast ptr addrspace(1) %global.ptr to ptr addrspace(4)
-  call void @llvm.memset.p4.i64(ptr addrspace(4) align 4 %cast, i8 4, i64 32, i1 true)
-  ret void
-}
-
-declare void @llvm.memset.p4.i64(ptr addrspace(4) nocapture writeonly, i8, i64, i1) #1
-
-attributes #0 = { nounwind }
-attributes #1 = { argmemonly nounwind }

>From a01e1bc58fe6113d869d7d2d9889b1e8a1b26cfb Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Sat, 12 Oct 2024 03:51:48 +0300
Subject: [PATCH 4/8] Fix formatting.

---
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index 3caf000f171177..ea80c86e00b6c6 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -148,8 +148,8 @@ SPIRVTargetMachine::getPredicatedAddrSpace(const Value *V) const {
       match(
           const_cast<Value *>(V),
           m_c_And(m_Not(m_Intrinsic<Intrinsic::amdgcn_is_shared>(m_Value(Ptr))),
-                m_Not(m_Intrinsic<Intrinsic::amdgcn_is_private>(
-                    m_Deferred(Ptr))))))
+                  m_Not(m_Intrinsic<Intrinsic::amdgcn_is_private>(
+                      m_Deferred(Ptr))))))
     return std::pair(Ptr, AddressSpace::CrossWorkgroup);
 
   return std::pair(nullptr, UINT32_MAX);

>From ab1fb667c81a32ca01a29b92095d21c464686615 Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Sat, 12 Oct 2024 14:29:24 +0300
Subject: [PATCH 5/8] Fix inclusion ordering.

---
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index ea80c86e00b6c6..874afdbaac7b6d 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -25,9 +25,9 @@
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
-#include "llvm/InitializePasses.h"
 #include "llvm/IR/IntrinsicsAMDGPU.h"
 #include "llvm/IR/PatternMatch.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Pass.h"
 #include "llvm/Passes/OptimizationLevel.h"

>From 168149a08c159ed4f7db7144f8ce8dc65219f77f Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Sat, 12 Oct 2024 19:00:09 +0300
Subject: [PATCH 6/8] Only enable "fancy" stuff fof amdgcnspirv for now.

---
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp         | 12 ++++++++++++
 .../InferAddressSpaces/SPIRV/assumed-addrspace.ll    |  3 +--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index 874afdbaac7b6d..1b0a1bd9433573 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -108,6 +108,11 @@ enum AddressSpace {
 };
 
 unsigned SPIRVTargetMachine::getAssumedAddrSpace(const Value *V) const {
+  // TODO: we only enable this for AMDGCN flavoured SPIR-V, where we know it to
+  //       be correct; this might be relaxed in the future.
+  if (getTargetTriple().getVendor() != Triple::VendorType::AMD)
+    return UINT32_MAX;
+
   const auto *LD = dyn_cast<LoadInst>(V);
   if (!LD)
     return UINT32_MAX;
@@ -127,6 +132,13 @@ unsigned SPIRVTargetMachine::getAssumedAddrSpace(const Value *V) const {
 
 std::pair<const Value *, unsigned>
 SPIRVTargetMachine::getPredicatedAddrSpace(const Value *V) const {
+  // TODO: this is only enabled for AMDGCN flavoured SPIR-V at the moment, where
+  // we can rely on the intrinsics being available; we should re-implement it on
+  // top of SPIR-V specific intrinsics if/when they are added or
+  // OpGenericCastToPtrExplicit / OpGenericPtrMemSemantics directly.
+  if (getTargetTriple().getVendor() != Triple::VendorType::AMD)
+    return std::pair(nullptr, UINT32_MAX);
+
   using namespace PatternMatch;
 
   if (auto *II = dyn_cast<IntrinsicInst>(V)) {
diff --git a/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll b/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll
index 9b65ff44f288f2..e9a4eb5cc61ce2 100644
--- a/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll
+++ b/llvm/test/Transforms/InferAddressSpaces/SPIRV/assumed-addrspace.ll
@@ -1,5 +1,4 @@
-; RUN: opt -S -mtriple=spirv32-- -passes=infer-address-spaces -o - %s | FileCheck %s
-; RUN: opt -S -mtriple=spirv64-- -passes=infer-address-spaces -o - %s | FileCheck %s
+; RUN: opt -S -mtriple=spirv64-amd-amdhsa -passes=infer-address-spaces -o - %s | FileCheck %s
 
 @c0 = addrspace(2) global ptr undef
 

>From a7d1467d81aa9eacd5d22c3218f305a317a35a0e Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Tue, 22 Oct 2024 15:06:35 +0100
Subject: [PATCH 7/8] Remove spurious target check, clarify comment.

---
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index 1b0a1bd9433573..7b2324de99b9cb 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -132,13 +132,9 @@ unsigned SPIRVTargetMachine::getAssumedAddrSpace(const Value *V) const {
 
 std::pair<const Value *, unsigned>
 SPIRVTargetMachine::getPredicatedAddrSpace(const Value *V) const {
-  // TODO: this is only enabled for AMDGCN flavoured SPIR-V at the moment, where
-  // we can rely on the intrinsics being available; we should re-implement it on
-  // top of SPIR-V specific intrinsics if/when they are added or
-  // OpGenericCastToPtrExplicit / OpGenericPtrMemSemantics directly.
-  if (getTargetTriple().getVendor() != Triple::VendorType::AMD)
-    return std::pair(nullptr, UINT32_MAX);
-
+  // TODO: this is will only fire for AMDGCN flavoured SPIR-V at the moment,
+  // where the intrinsics are available; we should re-implement the predicates
+  // on top of SPIR-V specific intrinsics OpGenericPtrMemSemantics directly.
   using namespace PatternMatch;
 
   if (auto *II = dyn_cast<IntrinsicInst>(V)) {

>From a7073634a454918ab94c6d2c846c48f1b949a044 Mon Sep 17 00:00:00 2001
From: Alex Voicu <alexandru.voicu at amd.com>
Date: Thu, 28 Nov 2024 02:39:37 +0000
Subject: [PATCH 8/8] Implement feedback.

---
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp | 33 --------------------
 llvm/lib/Target/SPIRV/SPIRVTargetMachine.h   |  2 --
 2 files changed, 35 deletions(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
index 882929b89a50a4..7fa472464525d6 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.cpp
@@ -131,39 +131,6 @@ unsigned SPIRVTargetMachine::getAssumedAddrSpace(const Value *V) const {
   return AddressSpace::CrossWorkgroup;
 }
 
-std::pair<const Value *, unsigned>
-SPIRVTargetMachine::getPredicatedAddrSpace(const Value *V) const {
-  // TODO: this is will only fire for AMDGCN flavoured SPIR-V at the moment,
-  // where the intrinsics are available; we should re-implement the predicates
-  // on top of SPIR-V specific intrinsics OpGenericPtrMemSemantics directly.
-  using namespace PatternMatch;
-
-  if (auto *II = dyn_cast<IntrinsicInst>(V)) {
-    switch (II->getIntrinsicID()) {
-    case Intrinsic::amdgcn_is_shared:
-      return std::pair(II->getArgOperand(0), AddressSpace::Workgroup);
-    case Intrinsic::amdgcn_is_private:
-      return std::pair(II->getArgOperand(0), AddressSpace::Function);
-    default:
-      break;
-    }
-    return std::pair(nullptr, UINT32_MAX);
-  }
-  // Check the global pointer predication based on
-  // (!is_share(p) && !is_private(p)). Note that logic 'and' is commutative and
-  // the order of 'is_shared' and 'is_private' is not significant.
-  Value *Ptr;
-  if (getTargetTriple().getVendor() == Triple::VendorType::AMD &&
-      match(
-          const_cast<Value *>(V),
-          m_c_And(m_Not(m_Intrinsic<Intrinsic::amdgcn_is_shared>(m_Value(Ptr))),
-                  m_Not(m_Intrinsic<Intrinsic::amdgcn_is_private>(
-                      m_Deferred(Ptr))))))
-    return std::pair(Ptr, AddressSpace::CrossWorkgroup);
-
-  return std::pair(nullptr, UINT32_MAX);
-}
-
 bool SPIRVTargetMachine::isNoopAddrSpaceCast(unsigned SrcAS,
                                              unsigned DestAS) const {
   if (SrcAS != AddressSpace::Generic && SrcAS != AddressSpace::CrossWorkgroup)
diff --git a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h
index c0eae45845339e..6754af67f51bf0 100644
--- a/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h
+++ b/llvm/lib/Target/SPIRV/SPIRVTargetMachine.h
@@ -45,8 +45,6 @@ class SPIRVTargetMachine : public CodeGenTargetMachineImpl {
   }
 
   unsigned getAssumedAddrSpace(const Value *V) const override;
-  std::pair<const Value *, unsigned>
-  getPredicatedAddrSpace(const Value *V) const override;
   bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DstAS) const override;
 
   void registerPassBuilderCallbacks(PassBuilder &PB) override;



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