Index: llvm/lib/Target/AMDGPU/AMDGPUAttributor.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPUAttributor.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPUAttributor.cpp
@@ -139,6 +139,18 @@
     return {ST.getMinFlatWorkGroupSize(), ST.getMaxFlatWorkGroupSize()};
   }
 
+  std::pair<unsigned, unsigned>
+  getWavesPerEU(const Function &F,
+                std::pair<unsigned, unsigned> FlatWorkGroupSize) {
+    const GCNSubtarget &ST = TM.getSubtarget<GCNSubtarget>(F);
+    return ST.getWavesPerEU(F, FlatWorkGroupSize);
+  }
+
+  unsigned getMaxWavesPerEU(const Function &F) {
+    const GCNSubtarget &ST = TM.getSubtarget<GCNSubtarget>(F);
+    return ST.getMaxWavesPerEU();
+  }
+
 private:
   /// Check if the ConstantExpr \p CE requires queue ptr attribute.
   static bool visitConstExpr(const ConstantExpr *CE) {
@@ -481,35 +493,33 @@
   llvm_unreachable("AAAMDAttributes is only valid for function position");
 }
 
-/// Propagate amdgpu-flat-work-group-size attribute.
-struct AAAMDFlatWorkGroupSize
+struct AAAMDSizeRangeAttribute
     : public StateWrapper<IntegerRangeState, AbstractAttribute, uint32_t> {
   using Base = StateWrapper<IntegerRangeState, AbstractAttribute, uint32_t>;
-  AAAMDFlatWorkGroupSize(const IRPosition &IRP, Attributor &A)
-      : Base(IRP, 32) {}
+
+  StringRef AttrName;
+
+  AAAMDSizeRangeAttribute(const IRPosition &IRP, Attributor &A,
+                          StringRef AttrName)
+      : Base(IRP, 32), AttrName(AttrName) {}
 
   /// See AbstractAttribute::getState(...).
   IntegerRangeState &getState() override { return *this; }
   const IntegerRangeState &getState() const override { return *this; }
 
-  void initialize(Attributor &A) override {
-    Function *F = getAssociatedFunction();
-    auto &InfoCache = static_cast<AMDGPUInformationCache &>(A.getInfoCache());
-    unsigned MinGroupSize, MaxGroupSize;
-    std::tie(MinGroupSize, MaxGroupSize) = InfoCache.getFlatWorkGroupSizes(*F);
-    intersectKnown(
-        ConstantRange(APInt(32, MinGroupSize), APInt(32, MaxGroupSize + 1)));
-  }
+  /// See AbstractAttribute::trackStatistics()
+  void trackStatistics() const override {}
 
-  ChangeStatus updateImpl(Attributor &A) override {
+  template <class AttributeImpl>
+  ChangeStatus updateImplImpl(Attributor &A) {
     ChangeStatus Change = ChangeStatus::UNCHANGED;
 
     auto CheckCallSite = [&](AbstractCallSite CS) {
       Function *Caller = CS.getInstruction()->getFunction();
-      LLVM_DEBUG(dbgs() << "[AAAMDFlatWorkGroupSize] Call " << Caller->getName()
+      LLVM_DEBUG(dbgs() << '[' << getName() << "] Call " << Caller->getName()
                         << "->" << getAssociatedFunction()->getName() << '\n');
 
-      const auto &CallerInfo = A.getAAFor<AAAMDFlatWorkGroupSize>(
+      const auto &CallerInfo = A.getAAFor<AttributeImpl>(
           *this, IRPosition::function(*Caller), DepClassTy::REQUIRED);
 
       Change |=
@@ -525,25 +535,20 @@
     return Change;
   }
 
-  ChangeStatus manifest(Attributor &A) override {
-    SmallVector<Attribute, 8> AttrList;
-    Function *F = getAssociatedFunction();
-    LLVMContext &Ctx = F->getContext();
-
-    auto &InfoCache = static_cast<AMDGPUInformationCache &>(A.getInfoCache());
-    unsigned Min, Max;
-    std::tie(Min, Max) = InfoCache.getMaximumFlatWorkGroupRange(*F);
-
+  ChangeStatus emitAttributeIfNotDefault(Attributor &A, unsigned Min,
+                                         unsigned Max) {
     // Don't add the attribute if it's the implied default.
     if (getAssumed().getLower() == Min && getAssumed().getUpper() - 1 == Max)
       return ChangeStatus::UNCHANGED;
 
+    Function *F = getAssociatedFunction();
+    LLVMContext &Ctx = F->getContext();
+    SmallVector<Attribute, 8> AttrList;
     SmallString<10> Buffer;
     raw_svector_ostream OS(Buffer);
     OS << getAssumed().getLower() << ',' << getAssumed().getUpper() - 1;
 
-    AttrList.push_back(
-        Attribute::get(Ctx, "amdgpu-flat-work-group-size", OS.str()));
+    AttrList.push_back(Attribute::get(Ctx, AttrName, OS.str()));
     return IRAttributeManifest::manifestAttrs(A, getIRPosition(), AttrList,
                                               /* ForceReplace */ true);
   }
@@ -551,19 +556,43 @@
   const std::string getAsStr() const override {
     std::string Str;
     raw_string_ostream OS(Str);
-    OS << "AMDFlatWorkGroupSize[";
+    OS << getName() << '[';
     OS << getAssumed().getLower() << ',' << getAssumed().getUpper() - 1;
     OS << ']';
     return OS.str();
   }
+};
 
-  /// See AbstractAttribute::trackStatistics()
-  void trackStatistics() const override {}
+/// Propagate amdgpu-flat-work-group-size attribute.
+struct AAAMDFlatWorkGroupSize : public AAAMDSizeRangeAttribute {
+  AAAMDFlatWorkGroupSize(const IRPosition &IRP, Attributor &A)
+    : AAAMDSizeRangeAttribute(IRP, A, "amdgpu-flat-work-group-size") {}
+
+  void initialize(Attributor &A) override {
+    Function *F = getAssociatedFunction();
+    auto &InfoCache = static_cast<AMDGPUInformationCache &>(A.getInfoCache());
+    unsigned MinGroupSize, MaxGroupSize;
+    std::tie(MinGroupSize, MaxGroupSize) = InfoCache.getFlatWorkGroupSizes(*F);
+    intersectKnown(
+        ConstantRange(APInt(32, MinGroupSize), APInt(32, MaxGroupSize + 1)));
+  }
+
+  ChangeStatus updateImpl(Attributor &A) override {
+    return updateImplImpl<AAAMDFlatWorkGroupSize>(A);
+  }
 
   /// Create an abstract attribute view for the position \p IRP.
   static AAAMDFlatWorkGroupSize &createForPosition(const IRPosition &IRP,
                                                    Attributor &A);
 
+  ChangeStatus manifest(Attributor &A) override {
+    Function *F = getAssociatedFunction();
+    auto &InfoCache = static_cast<AMDGPUInformationCache &>(A.getInfoCache());
+    unsigned Min, Max;
+    std::tie(Min, Max) = InfoCache.getMaximumFlatWorkGroupRange(*F);
+    return emitAttributeIfNotDefault(A, Min, Max);
+  }
+
   /// See AbstractAttribute::getName()
   const std::string getName() const override {
     return "AAAMDFlatWorkGroupSize";
@@ -593,6 +622,74 @@
       "AAAMDFlatWorkGroupSize is only valid for function position");
 }
 
+/// Propagate amdgpu-waves-per-eu attribute.
+struct AAAMDWavesPerEU : public AAAMDSizeRangeAttribute {
+  AAAMDWavesPerEU(const IRPosition &IRP, Attributor &A)
+      : AAAMDSizeRangeAttribute(IRP, A, "amdgpu-waves-per-eu") {}
+
+  bool isValidState() const override {
+    return !Assumed.isEmptySet() && IntegerRangeState::isValidState();
+  }
+
+  void initialize(Attributor &A) override {
+    Function *F = getAssociatedFunction();
+
+    const AAAMDFlatWorkGroupSize &FlatWorkGroupSize =
+        A.getAAFor<AAAMDFlatWorkGroupSize>(*this, IRPosition::function(*F),
+                                           DepClassTy::REQUIRED);
+
+    const auto &AssumedFlatWorkGroup = FlatWorkGroupSize.getAssumed();
+
+    auto &InfoCache = static_cast<AMDGPUInformationCache &>(A.getInfoCache());
+    unsigned Min, Max;
+    std::tie(Min, Max) = InfoCache.getWavesPerEU(
+        *F, {AssumedFlatWorkGroup.getLower().getZExtValue(),
+             AssumedFlatWorkGroup.getUpper().getZExtValue() - 1});
+
+    ConstantRange Range(APInt(32, Min), APInt(32, Max + 1));
+    intersectKnown(Range);
+  }
+
+  ChangeStatus updateImpl(Attributor &A) override {
+    return updateImplImpl<AAAMDWavesPerEU>(A);
+  }
+
+  /// Create an abstract attribute view for the position \p IRP.
+  static AAAMDWavesPerEU &createForPosition(const IRPosition &IRP,
+                                            Attributor &A);
+
+  ChangeStatus manifest(Attributor &A) override {
+    Function *F = getAssociatedFunction();
+    auto &InfoCache = static_cast<AMDGPUInformationCache &>(A.getInfoCache());
+    unsigned Max = InfoCache.getMaxWavesPerEU(*F);
+    return emitAttributeIfNotDefault(A, 1, Max);
+  }
+
+  /// See AbstractAttribute::getName()
+  const std::string getName() const override { return "AAAMDWavesPerEU"; }
+
+  /// See AbstractAttribute::getIdAddr()
+  const char *getIdAddr() const override { return &ID; }
+
+  /// This function should return true if the type of the \p AA is
+  /// AAAMDWavesPerEU
+  static bool classof(const AbstractAttribute *AA) {
+    return (AA->getIdAddr() == &ID);
+  }
+
+  /// Unique ID (due to the unique address)
+  static const char ID;
+};
+
+const char AAAMDWavesPerEU::ID = 0;
+
+AAAMDWavesPerEU &AAAMDWavesPerEU::createForPosition(const IRPosition &IRP,
+                                                    Attributor &A) {
+  if (IRP.getPositionKind() == IRPosition::IRP_FUNCTION)
+    return *new (A.Allocator) AAAMDWavesPerEU(IRP, A);
+  llvm_unreachable("AAAMDWavesPerEU is only valid for function position");
+}
+
 class AMDGPUAttributor : public ModulePass {
 public:
   AMDGPUAttributor() : ModulePass(ID) {}
@@ -621,7 +718,7 @@
     AMDGPUInformationCache InfoCache(M, AG, Allocator, nullptr, *TM);
     DenseSet<const char *> Allowed(
         {&AAAMDAttributes::ID, &AAUniformWorkGroupSize::ID,
-         &AAAMDFlatWorkGroupSize::ID, &AACallEdges::ID});
+         &AAAMDFlatWorkGroupSize::ID, &AAAMDWavesPerEU::ID, &AACallEdges::ID});
 
     Attributor A(Functions, InfoCache, CGUpdater, &Allowed);
 
@@ -631,6 +728,7 @@
         A.getOrCreateAAFor<AAUniformWorkGroupSize>(IRPosition::function(F));
         if (!AMDGPU::isEntryFunctionCC(F.getCallingConv())) {
           A.getOrCreateAAFor<AAAMDFlatWorkGroupSize>(IRPosition::function(F));
+          A.getOrCreateAAFor<AAAMDWavesPerEU>(IRPosition::function(F));
         }
       }
     }
Index: llvm/lib/Target/AMDGPU/GCNSubtarget.h
===================================================================
--- llvm/lib/Target/AMDGPU/GCNSubtarget.h
+++ llvm/lib/Target/AMDGPU/GCNSubtarget.h
@@ -30,10 +30,9 @@
 
 class GCNSubtarget final : public AMDGPUGenSubtargetInfo,
                            public AMDGPUSubtarget {
-
+public:
   using AMDGPUSubtarget::getMaxWavesPerEU;
 
-public:
   // Following 2 enums are documented at:
   //   - https://llvm.org/docs/AMDGPUUsage.html#trap-handler-abi
   enum class TrapHandlerAbi {
Index: llvm/test/CodeGen/AMDGPU/addrspacecast-constantexpr.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/addrspacecast-constantexpr.ll
+++ llvm/test/CodeGen/AMDGPU/addrspacecast-constantexpr.ll
@@ -217,7 +217,7 @@
 ; AKF_HSA-NEXT:    ret i32 addrspace(3)* addrspacecast (i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8) to i32 addrspace(3)*)
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@ret_constant_cast_group_gv_gep_to_flat_to_group
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR2]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR3:[0-9]+]] {
 ; ATTRIBUTOR_HSA-NEXT:    ret i32 addrspace(3)* addrspacecast (i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8) to i32 addrspace(3)*)
 ;
   ret i32 addrspace(3)* addrspacecast (i32 addrspace(4)* getelementptr ([256 x i32], [256 x i32] addrspace(4)* addrspacecast ([256 x i32] addrspace(3)* @lds.arr to [256 x i32] addrspace(4)*), i64 0, i64 8) to i32 addrspace(3)*)
@@ -232,4 +232,5 @@
 ; ATTRIBUTOR_HSA: attributes #[[ATTR0:[0-9]+]] = { argmemonly nofree nounwind willreturn }
 ; ATTRIBUTOR_HSA: attributes #[[ATTR1]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ; ATTRIBUTOR_HSA: attributes #[[ATTR2]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR3]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/annotate-existing-abi-attributes.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/annotate-existing-abi-attributes.ll
+++ llvm/test/CodeGen/AMDGPU/annotate-existing-abi-attributes.ll
@@ -117,14 +117,14 @@
   ret void
 }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-workitem-id-x" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-workitem-id-y" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR2]] = { "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR3]] = { "amdgpu-no-workgroup-id-x" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR4]] = { "amdgpu-no-workgroup-id-y" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR5]] = { "amdgpu-no-workgroup-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR6]] = { "amdgpu-no-dispatch-ptr" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR7]] = { "amdgpu-no-queue-ptr" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR8]] = { "amdgpu-no-implicitarg-ptr" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR9]] = { "amdgpu-no-dispatch-id" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-workitem-id-x" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-workitem-id-y" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR2]] = { "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR3]] = { "amdgpu-no-workgroup-id-x" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR4]] = { "amdgpu-no-workgroup-id-y" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR5]] = { "amdgpu-no-workgroup-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR6]] = { "amdgpu-no-dispatch-ptr" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR7]] = { "amdgpu-no-queue-ptr" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR8]] = { "amdgpu-no-implicitarg-ptr" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR9]] = { "amdgpu-no-dispatch-id" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
+++ llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa-call.ll
@@ -611,7 +611,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@use_implicitarg_ptr
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR14]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR15:[0-9]+]] {
 ; ATTRIBUTOR_HSA-NEXT:    [[IMPLICITARG_PTR:%.*]] = call i8 addrspace(4)* @llvm.amdgcn.implicitarg.ptr()
 ; ATTRIBUTOR_HSA-NEXT:    store volatile i8 addrspace(4)* [[IMPLICITARG_PTR]], i8 addrspace(4)* addrspace(1)* undef, align 8
 ; ATTRIBUTOR_HSA-NEXT:    ret void
@@ -628,7 +628,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_indirect_use_implicitarg_ptr
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR14]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR15]] {
 ; ATTRIBUTOR_HSA-NEXT:    call void @use_implicitarg_ptr()
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
@@ -645,7 +645,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@defined.func
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR16:[0-9]+]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR17:[0-9]+]] {
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
   ret void
@@ -658,7 +658,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_call_external
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR15:[0-9]+]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR16:[0-9]+]] {
 ; ATTRIBUTOR_HSA-NEXT:    call void @external.func()
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
@@ -673,7 +673,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_call_defined
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR16]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR17]] {
 ; ATTRIBUTOR_HSA-NEXT:    call void @defined.func()
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
@@ -687,8 +687,8 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_call_asm
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR16]] {
-; ATTRIBUTOR_HSA-NEXT:    call void asm sideeffect "", ""() #[[ATTR17:[0-9]+]]
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR17]] {
+; ATTRIBUTOR_HSA-NEXT:    call void asm sideeffect "", ""() #[[ATTR19:[0-9]+]]
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
   call void asm sideeffect "", ""() #3
@@ -702,7 +702,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@kern_call_external
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR15]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR18:[0-9]+]] {
 ; ATTRIBUTOR_HSA-NEXT:    call void @external.func()
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
@@ -717,7 +717,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_kern_defined
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR16]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR17]] {
 ; ATTRIBUTOR_HSA-NEXT:    call void @defined.func()
 ; ATTRIBUTOR_HSA-NEXT:    ret void
 ;
@@ -769,7 +769,7 @@
 ; AKF_HSA-NEXT:    ret float [[FADD]]
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_indirect_call
-; ATTRIBUTOR_HSA-SAME: (float ()* [[FPTR:%.*]]) #[[ATTR15]] {
+; ATTRIBUTOR_HSA-SAME: (float ()* [[FPTR:%.*]]) #[[ATTR16]] {
 ; ATTRIBUTOR_HSA-NEXT:    [[F:%.*]] = call float [[FPTR]]()
 ; ATTRIBUTOR_HSA-NEXT:    [[FADD:%.*]] = fadd float [[F]], 1.000000e+00
 ; ATTRIBUTOR_HSA-NEXT:    ret float [[FADD]]
@@ -788,7 +788,7 @@
 ; AKF_HSA-NEXT:    ret float [[FADD]]
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_extern_call
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR15]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR16]] {
 ; ATTRIBUTOR_HSA-NEXT:    [[F:%.*]] = call float @extern()
 ; ATTRIBUTOR_HSA-NEXT:    [[FADD:%.*]] = fadd float [[F]], 1.000000e+00
 ; ATTRIBUTOR_HSA-NEXT:    ret float [[FADD]]
@@ -806,7 +806,7 @@
 ; AKF_HSA-NEXT:    ret float [[FADD]]
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_null_call
-; ATTRIBUTOR_HSA-SAME: (float ()* [[FPTR:%.*]]) #[[ATTR15]] {
+; ATTRIBUTOR_HSA-SAME: (float ()* [[FPTR:%.*]]) #[[ATTR16]] {
 ; ATTRIBUTOR_HSA-NEXT:    [[F:%.*]] = call float null()
 ; ATTRIBUTOR_HSA-NEXT:    [[FADD:%.*]] = fadd float [[F]], 1.000000e+00
 ; ATTRIBUTOR_HSA-NEXT:    ret float [[FADD]]
@@ -827,7 +827,7 @@
 ; AKF_HSA-NEXT:    ret float [[FADD]]
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@func_other_intrinsic_call
-; ATTRIBUTOR_HSA-SAME: (float [[ARG:%.*]]) #[[ATTR16]] {
+; ATTRIBUTOR_HSA-SAME: (float [[ARG:%.*]]) #[[ATTR17]] {
 ; ATTRIBUTOR_HSA-NEXT:    [[F:%.*]] = call float @llvm.amdgcn.rcp.f32(float [[ARG]])
 ; ATTRIBUTOR_HSA-NEXT:    [[FADD:%.*]] = fadd float [[F]], 1.000000e+00
 ; ATTRIBUTOR_HSA-NEXT:    ret float [[FADD]]
@@ -850,21 +850,23 @@
 ; AKF_HSA: attributes #[[ATTR4]] = { nounwind "amdgpu-calls" }
 ;.
 ; ATTRIBUTOR_HSA: attributes #[[ATTR0:[0-9]+]] = { nounwind readnone speculatable willreturn }
-; ATTRIBUTOR_HSA: attributes #[[ATTR1]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR2]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR3]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR4]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR5]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR6]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR7]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR8]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR9]] = { nounwind "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR10]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR11]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR12]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="gfx900" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR13]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="gfx900" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR1]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR2]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR3]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR4]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR5]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR6]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR7]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR8]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR9]] = { nounwind "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR10]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR11]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR12]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="gfx900" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR13]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="gfx900" "uniform-work-group-size"="false" }
 ; ATTRIBUTOR_HSA: attributes #[[ATTR14]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "target-cpu"="fiji" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR15]] = { nounwind "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR16]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; ATTRIBUTOR_HSA: attributes #[[ATTR17]] = { nounwind }
+; ATTRIBUTOR_HSA: attributes #[[ATTR15]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "target-cpu"="fiji" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR16]] = { nounwind "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR17]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR18]] = { nounwind "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR19]] = { nounwind }
 ;.
Index: llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa.ll
+++ llvm/test/CodeGen/AMDGPU/annotate-kernel-features-hsa.ll
@@ -628,7 +628,7 @@
 ; AKF_HSA-NEXT:    ret void
 ;
 ; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@use_alloca_func
-; ATTRIBUTOR_HSA-SAME: () #[[ATTR1]] {
+; ATTRIBUTOR_HSA-SAME: () #[[ATTR12:[0-9]+]] {
 ; ATTRIBUTOR_HSA-NEXT:    [[ALLOCA:%.*]] = alloca i32, align 4, addrspace(5)
 ; ATTRIBUTOR_HSA-NEXT:    store i32 0, i32 addrspace(5)* [[ALLOCA]], align 4
 ; ATTRIBUTOR_HSA-NEXT:    ret void
@@ -658,4 +658,5 @@
 ; ATTRIBUTOR_HSA: attributes #[[ATTR9]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workitem-id-x" "uniform-work-group-size"="false" }
 ; ATTRIBUTOR_HSA: attributes #[[ATTR10]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ; ATTRIBUTOR_HSA: attributes #[[ATTR11]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_HSA: attributes #[[ATTR12]] = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/direct-indirect-call.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/direct-indirect-call.ll
+++ llvm/test/CodeGen/AMDGPU/direct-indirect-call.ll
@@ -35,6 +35,6 @@
   ret void
 }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR1]] = { "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR1]] = { "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/duplicate-attribute-indirect.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/duplicate-attribute-indirect.ll
+++ llvm/test/CodeGen/AMDGPU/duplicate-attribute-indirect.ll
@@ -42,6 +42,6 @@
 ;.
 ; AKF_GCN: attributes #[[ATTR0]] = { "amdgpu-calls" "amdgpu-no-dispatch-id" "amdgpu-stack-objects" }
 ;.
-; ATTRIBUTOR_GCN: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_GCN: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ; ATTRIBUTOR_GCN: attributes #[[ATTR1]] = { "amdgpu-no-dispatch-id" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/propagate-flat-work-group-size.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/propagate-flat-work-group-size.ll
+++ llvm/test/CodeGen/AMDGPU/propagate-flat-work-group-size.ll
@@ -204,11 +204,11 @@
 ;.
 ; CHECK: attributes #[[ATTR0]] = { "amdgpu-flat-work-group-size"="1,256" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR1]] = { "amdgpu-flat-work-group-size"="64,128" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR2]] = { "amdgpu-flat-work-group-size"="128,512" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR2]] = { "amdgpu-flat-work-group-size"="128,512" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,10" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR3]] = { "amdgpu-flat-work-group-size"="64,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR4]] = { "amdgpu-flat-work-group-size"="128,128" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR5]] = { "amdgpu-flat-work-group-size"="512,512" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR5]] = { "amdgpu-flat-work-group-size"="512,512" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,10" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR6]] = { "amdgpu-flat-work-group-size"="64,256" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR7]] = { "amdgpu-flat-work-group-size"="128,256" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR8]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR8]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/propagate-waves-per-eu.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AMDGPU/propagate-waves-per-eu.ll
@@ -0,0 +1,289 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
+; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -amdgpu-attributor %s | FileCheck %s
+
+; Check propagation of amdgpu-flat-work-group-size attribute.
+
+; Called from a single kernel with 1,8
+define internal void @default_to_1_8_a() {
+; CHECK-LABEL: define {{[^@]+}}@default_to_1_8_a
+; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+define amdgpu_kernel void @kernel_1_8() #0 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_1_8
+; CHECK-SAME: () #[[ATTR0]] {
+; CHECK-NEXT:    call void @default_to_1_8_a()
+; CHECK-NEXT:    ret void
+;
+  call void @default_to_1_8_a()
+  ret void
+}
+
+; Called from a single kernel with 1,2
+define internal void @default_to_1_2() {
+; CHECK-LABEL: define {{[^@]+}}@default_to_1_2
+; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+define amdgpu_kernel void @kernel_1_2() #1 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_1_2
+; CHECK-SAME: () #[[ATTR1]] {
+; CHECK-NEXT:    call void @default_to_1_2()
+; CHECK-NEXT:    call void @flat_group_1_1()
+; CHECK-NEXT:    call void @default_to_1_8_b()
+; CHECK-NEXT:    call void @flat_group_2_8()
+; CHECK-NEXT:    ret void
+;
+  call void @default_to_1_2()
+  call void @flat_group_1_1()
+  call void @default_to_1_8_b()
+  call void @flat_group_2_8()
+  ret void
+}
+
+; Called from kernels with 2,9 and 9,9
+define internal void @default_to_2_9() {
+; CHECK-LABEL: define {{[^@]+}}@default_to_2_9
+; CHECK-SAME: () #[[ATTR2:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+; This already has a strict bounds, but called from kernels with wider
+; bounds, and should not be changed.
+define internal void @flat_group_1_1() #2 {
+; CHECK-LABEL: define {{[^@]+}}@flat_group_1_1
+; CHECK-SAME: () #[[ATTR3:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+; 2,8 -> 2,2
+define internal void @flat_group_2_8() #3 {
+; CHECK-LABEL: define {{[^@]+}}@flat_group_2_8
+; CHECK-SAME: () #[[ATTR4:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+; 9,10 -> 9,9
+define internal void @flat_group_9_10() #4 {
+; CHECK-LABEL: define {{[^@]+}}@flat_group_9_10
+; CHECK-SAME: () #[[ATTR5:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+define amdgpu_kernel void @kernel_2_9() #5 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_2_9
+; CHECK-SAME: () #[[ATTR2]] {
+; CHECK-NEXT:    call void @default_to_2_9()
+; CHECK-NEXT:    call void @flat_group_1_1()
+; CHECK-NEXT:    ret void
+;
+  call void @default_to_2_9()
+  call void @flat_group_1_1()
+  ret void
+}
+
+define amdgpu_kernel void @kernel_9_9() #6 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_9_9
+; CHECK-SAME: () #[[ATTR5]] {
+; CHECK-NEXT:    call void @default_to_2_9()
+; CHECK-NEXT:    call void @flat_group_9_10()
+; CHECK-NEXT:    ret void
+;
+  call void @default_to_2_9()
+  call void @flat_group_9_10()
+  ret void
+}
+
+; Called from kernels with 2,8 and 1,2 => 1,8
+define internal void @default_to_1_8_b() {
+; CHECK-LABEL: define {{[^@]+}}@default_to_1_8_b
+; CHECK-SAME: () #[[ATTR0]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+; The kernel's lower bound is higher than the callee's lower bound, so
+; this should probably be illegal.
+define amdgpu_kernel void @kernel_2_8() #3 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_2_8
+; CHECK-SAME: () #[[ATTR6:[0-9]+]] {
+; CHECK-NEXT:    call void @default_to_1_8_a()
+; CHECK-NEXT:    call void @default_to_1_8_b()
+; CHECK-NEXT:    ret void
+;
+  call void @default_to_1_8_a()
+  call void @default_to_1_8_b()
+  ret void
+}
+
+; 1,2 -> 1,2
+define internal void @merge_cycle_0() #1 {
+; CHECK-LABEL: define {{[^@]+}}@merge_cycle_0
+; CHECK-SAME: () #[[ATTR1]] {
+; CHECK-NEXT:    call void @merge_cycle_1()
+; CHECK-NEXT:    ret void
+;
+  call void @merge_cycle_1()
+  ret void
+}
+
+; Called from 1,2 + 3,8
+; 2,8 -> 2,8
+define internal void @merge_cycle_1() #3 {
+; CHECK-LABEL: define {{[^@]+}}@merge_cycle_1
+; CHECK-SAME: () #[[ATTR6]] {
+; CHECK-NEXT:    call void @merge_cycle_0()
+; CHECK-NEXT:    ret void
+;
+  call void @merge_cycle_0()
+  ret void
+}
+
+define amdgpu_kernel void @kernel_3_8() #7 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_3_8
+; CHECK-SAME: () #[[ATTR7:[0-9]+]] {
+; CHECK-NEXT:    call void @merge_cycle_0()
+; CHECK-NEXT:    call void @default_captured_address()
+; CHECK-NEXT:    call void @externally_visible_default()
+; CHECK-NEXT:    [[F32:%.*]] = call float bitcast (i32 ()* @bitcasted_function to float ()*)()
+; CHECK-NEXT:    ret void
+;
+  call void @merge_cycle_0()
+  call void @default_captured_address()
+  call void @externally_visible_default()
+  %f32 = call float bitcast (i32 ()* @bitcasted_function to float ()*)()
+  ret void
+}
+
+define internal void @default_captured_address() {
+; CHECK-LABEL: define {{[^@]+}}@default_captured_address
+; CHECK-SAME: () #[[ATTR8:[0-9]+]] {
+; CHECK-NEXT:    store volatile void ()* @default_captured_address, void ()** undef, align 8
+; CHECK-NEXT:    ret void
+;
+  store volatile void ()* @default_captured_address, void ()** undef, align 8
+  ret void
+}
+
+define void @externally_visible_default() {
+; CHECK-LABEL: define {{[^@]+}}@externally_visible_default
+; CHECK-SAME: () #[[ATTR8]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+; 1,10 -> 3,8
+define internal i32 @bitcasted_function() {
+; CHECK-LABEL: define {{[^@]+}}@bitcasted_function
+; CHECK-SAME: () #[[ATTR7]] {
+; CHECK-NEXT:    ret i32 0
+;
+  ret i32 0
+}
+
+define internal void @called_from_invalid_bounds_0() {
+; CHECK-LABEL: define {{[^@]+}}@called_from_invalid_bounds_0
+; CHECK-SAME: () #[[ATTR9:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+define internal void @called_from_invalid_bounds_1() {
+; CHECK-LABEL: define {{[^@]+}}@called_from_invalid_bounds_1
+; CHECK-SAME: () #[[ATTR9]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+; Invalid range for amdgpu-waves-per-eu
+define amdgpu_kernel void @kernel_invalid_bounds_0_8() #8 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_invalid_bounds_0_8
+; CHECK-SAME: () #[[ATTR10:[0-9]+]] {
+; CHECK-NEXT:    call void @called_from_invalid_bounds_0()
+; CHECK-NEXT:    ret void
+;
+  call void @called_from_invalid_bounds_0()
+  ret void
+}
+
+; Invalid range for amdgpu-waves-per-eu
+define amdgpu_kernel void @kernel_invalid_bounds_1_123() #9 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_invalid_bounds_1_123
+; CHECK-SAME: () #[[ATTR11:[0-9]+]] {
+; CHECK-NEXT:    call void @called_from_invalid_bounds_1()
+; CHECK-NEXT:    ret void
+;
+  call void @called_from_invalid_bounds_1()
+  ret void
+}
+
+; XXX - Why is the maximum not 6?
+; The 512 maximum workgroup size implies a minimum occupancy of 2. The
+; implied minimim waves-per-eu should not be 3
+define void @larger_group_size_implies_lower_minimum() #10 {
+; CHECK-LABEL: define {{[^@]+}}@larger_group_size_implies_lower_minimum
+; CHECK-SAME: () #[[ATTR12:[0-9]+]] {
+; CHECK-NEXT:    ret void
+;
+  ret void
+}
+
+define amdgpu_kernel void @kernel_3_6() #11 {
+; CHECK-LABEL: define {{[^@]+}}@kernel_3_6
+; CHECK-SAME: () #[[ATTR13:[0-9]+]] {
+; CHECK-NEXT:    call void @larger_group_size_implies_lower_minimum()
+; CHECK-NEXT:    ret void
+;
+  call void @larger_group_size_implies_lower_minimum()
+  ret void
+}
+
+; Use a 1 wave workgroup so there is no interaction by the workgroup
+; size on the implied waves per EU.
+attributes #0 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="1,8" }
+attributes #1 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="1,2" }
+attributes #2 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="1,1" }
+attributes #3 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="2,8" }
+attributes #4 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="9,10" }
+attributes #5 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="2,9" }
+attributes #6 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="9,9" }
+attributes #7 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="3,8" }
+attributes #8 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="0,8" }
+attributes #9 = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-waves-per-eu"="1,123" }
+attributes #10 = { "amdgpu-flat-work-group-size"="1,512" }
+attributes #11 = { "amdgpu-flat-work-group-size"="1,512" "amdgpu-waves-per-eu"="3,6" }
+
+;.
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="1,8" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR1]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="1,2" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR2]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,9" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR3]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="1,1" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR4]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,2" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR5]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="9,9" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR6]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,8" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR7]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="3,8" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR8]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR9]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR10]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="0,8" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR11]] = { "amdgpu-flat-work-group-size"="1,64" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="1,123" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR12]] = { "amdgpu-flat-work-group-size"="1,512" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="2,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR13]] = { "amdgpu-flat-work-group-size"="1,512" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="3,6" "uniform-work-group-size"="false" }
+;.
Index: llvm/test/CodeGen/AMDGPU/simple-indirect-call.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/simple-indirect-call.ll
+++ llvm/test/CodeGen/AMDGPU/simple-indirect-call.ll
@@ -73,6 +73,6 @@
 ;.
 ; AKF_GCN: attributes #[[ATTR0]] = { "amdgpu-calls" "amdgpu-stack-objects" }
 ;.
-; ATTRIBUTOR_GCN: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; ATTRIBUTOR_GCN: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ; ATTRIBUTOR_GCN: attributes #[[ATTR1]] = { "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/uniform-work-group-attribute-missing.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/uniform-work-group-attribute-missing.ll
+++ llvm/test/CodeGen/AMDGPU/uniform-work-group-attribute-missing.ll
@@ -21,7 +21,7 @@
 
 define amdgpu_kernel void @kernel1() #1 {
 ; CHECK-LABEL: define {{[^@]+}}@kernel1
-; CHECK-SAME: () #[[ATTR0]] {
+; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
 ; CHECK-NEXT:    call void @foo()
 ; CHECK-NEXT:    ret void
 ;
@@ -31,5 +31,6 @@
 
 attributes #0 = { "uniform-work-group-size"="true" }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/uniform-work-group-multistep.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/uniform-work-group-multistep.ll
+++ llvm/test/CodeGen/AMDGPU/uniform-work-group-multistep.ll
@@ -43,7 +43,7 @@
 
 define internal void @internal3() {
 ; CHECK-LABEL: define {{[^@]+}}@internal3
-; CHECK-SAME: () #[[ATTR1]] {
+; CHECK-SAME: () #[[ATTR2:[0-9]+]] {
 ; CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* @G2, align 4
 ; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
 ; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
@@ -67,7 +67,7 @@
 
 define internal void @internal4() {
 ; CHECK-LABEL: define {{[^@]+}}@internal4
-; CHECK-SAME: () #[[ATTR1]] {
+; CHECK-SAME: () #[[ATTR2]] {
 ; CHECK-NEXT:    store i32 1, i32* @G2, align 4
 ; CHECK-NEXT:    ret void
 ;
@@ -77,7 +77,7 @@
 
 define internal void @internal2() {
 ; CHECK-LABEL: define {{[^@]+}}@internal2
-; CHECK-SAME: () #[[ATTR1]] {
+; CHECK-SAME: () #[[ATTR2]] {
 ; CHECK-NEXT:    call void @internal3()
 ; CHECK-NEXT:    ret void
 ;
@@ -87,7 +87,7 @@
 
 define amdgpu_kernel void @kernel2() #0 {
 ; CHECK-LABEL: define {{[^@]+}}@kernel2
-; CHECK-SAME: () #[[ATTR1]] {
+; CHECK-SAME: () #[[ATTR2]] {
 ; CHECK-NEXT:    call void @internal2()
 ; CHECK-NEXT:    ret void
 ;
@@ -97,6 +97,7 @@
 
 attributes #0 = { "uniform-work-group-size"="true" }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="true" }
+; CHECK: attributes #[[ATTR2]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="true" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/uniform-work-group-nested-function-calls.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/uniform-work-group-nested-function-calls.ll
+++ llvm/test/CodeGen/AMDGPU/uniform-work-group-nested-function-calls.ll
@@ -41,6 +41,6 @@
 
 attributes #2 = { "uniform-work-group-size"="true" }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="true" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/uniform-work-group-prevent-attribute-propagation.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/uniform-work-group-prevent-attribute-propagation.ll
+++ llvm/test/CodeGen/AMDGPU/uniform-work-group-prevent-attribute-propagation.ll
@@ -31,7 +31,7 @@
 
 define amdgpu_kernel void @kernel2() #2 {
 ; CHECK-LABEL: define {{[^@]+}}@kernel2
-; CHECK-SAME: () #[[ATTR0]] {
+; CHECK-SAME: () #[[ATTR2:[0-9]+]] {
 ; CHECK-NEXT:    call void @func()
 ; CHECK-NEXT:    ret void
 ;
@@ -41,6 +41,7 @@
 
 attributes #1 = { "uniform-work-group-size"="true" }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
 ; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="true" }
+; CHECK: attributes #[[ATTR2]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/uniform-work-group-recursion-test.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/uniform-work-group-recursion-test.ll
+++ llvm/test/CodeGen/AMDGPU/uniform-work-group-recursion-test.ll
@@ -101,7 +101,7 @@
 attributes #0 = { nounwind readnone }
 attributes #1 = { "uniform-work-group-size"="true" }
 ;.
-; CHECK: attributes #[[ATTR0]] = { nounwind readnone "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
-; CHECK: attributes #[[ATTR1]] = { nounwind readnone "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="true" }
-; CHECK: attributes #[[ATTR2]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="true" }
+; CHECK: attributes #[[ATTR0]] = { nounwind readnone "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR1]] = { nounwind readnone "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="true" }
+; CHECK: attributes #[[ATTR2]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="true" }
 ;.
Index: llvm/test/CodeGen/AMDGPU/uniform-work-group-test.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/uniform-work-group-test.ll
+++ llvm/test/CodeGen/AMDGPU/uniform-work-group-test.ll
@@ -49,7 +49,7 @@
 
 define amdgpu_kernel void @kernel3() #0 {
 ; CHECK-LABEL: define {{[^@]+}}@kernel3
-; CHECK-SAME: () #[[ATTR0]] {
+; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
 ; CHECK-NEXT:    call void @func2()
 ; CHECK-NEXT:    call void @func3()
 ; CHECK-NEXT:    ret void
@@ -61,5 +61,6 @@
 
 attributes #0 = { "uniform-work-group-size"="false" }
 ;.
-; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
+; CHECK: attributes #[[ATTR1]] = { "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
 ;.