r299965 - [OpenCL] Map default address space to alloca address space

Yaxun Liu via cfe-commits cfe-commits at lists.llvm.org
Tue Apr 11 10:24:24 PDT 2017


Author: yaxunl
Date: Tue Apr 11 12:24:23 2017
New Revision: 299965

URL: http://llvm.org/viewvc/llvm-project?rev=299965&view=rev
Log:
[OpenCL] Map default address space to alloca address space

For OpenCL, the private address space qualifier is 0 in AST. Before this change, 0 address space qualifier
is always mapped to target address space 0. As now target private address space is specified by
alloca address space in data layout, address space qualifier 0 needs to be mapped to alloca addr space specified by the data layout.

This change has no impact on targets whose alloca addr space is 0.

With contributions from Matt Arsenault, Tony Tye and Wen-Heng (Jack) Chung

Differential Revision: https://reviews.llvm.org/D31404

Added:
    cfe/trunk/test/CodeGen/default-address-space.c
    cfe/trunk/test/SemaOpenCL/invalid-assignment-constant-address-space.cl
Removed:
    cfe/trunk/test/Sema/invalid-assignment-constant-address-space.c
Modified:
    cfe/trunk/include/clang/AST/ASTContext.h
    cfe/trunk/include/clang/AST/Type.h
    cfe/trunk/include/clang/Basic/AddressSpaces.h
    cfe/trunk/lib/AST/ASTContext.cpp
    cfe/trunk/lib/AST/ExprClassification.cpp
    cfe/trunk/lib/AST/TypePrinter.cpp
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/lib/Sema/SemaExprCXX.cpp
    cfe/trunk/lib/Sema/SemaOverload.cpp
    cfe/trunk/lib/Sema/SemaType.cpp
    cfe/trunk/test/CodeGen/address-space.c
    cfe/trunk/test/CodeGenOpenCL/address-spaces.cl
    cfe/trunk/test/CodeGenOpenCL/amdgpu-env-amdgiz.cl
    cfe/trunk/test/CodeGenOpenCL/vla.cl
    cfe/trunk/test/Sema/address_spaces.c

Modified: cfe/trunk/include/clang/AST/ASTContext.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/ASTContext.h?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/ASTContext.h (original)
+++ cfe/trunk/include/clang/AST/ASTContext.h Tue Apr 11 12:24:23 2017
@@ -2317,21 +2317,15 @@ public:
     return getTargetAddressSpace(Q.getAddressSpace());
   }
 
-  unsigned getTargetAddressSpace(unsigned AS) const {
-    if (AS < LangAS::Offset || AS >= LangAS::Offset + LangAS::Count)
-      return AS;
-    else
-      return (*AddrSpaceMap)[AS - LangAS::Offset];
-  }
+  unsigned getTargetAddressSpace(unsigned AS) const;
 
   /// Get target-dependent integer value for null pointer which is used for
   /// constant folding.
   uint64_t getTargetNullPointerValue(QualType QT) const;
 
   bool addressSpaceMapManglingFor(unsigned AS) const {
-    return AddrSpaceMapMangling ||
-           AS < LangAS::Offset ||
-           AS >= LangAS::Offset + LangAS::Count;
+    return AddrSpaceMapMangling || 
+           AS >= LangAS::Count;
   }
 
 private:

Modified: cfe/trunk/include/clang/AST/Type.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Type.h?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/Type.h (original)
+++ cfe/trunk/include/clang/AST/Type.h Tue Apr 11 12:24:23 2017
@@ -333,6 +333,20 @@ public:
 
   bool hasAddressSpace() const { return Mask & AddressSpaceMask; }
   unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; }
+  /// Get the address space attribute value to be printed by diagnostics.
+  unsigned getAddressSpaceAttributePrintValue() const {
+    auto Addr = getAddressSpace();
+    // This function is not supposed to be used with language specific
+    // address spaces. If that happens, the diagnostic message should consider
+    // printing the QualType instead of the address space value.
+    assert(Addr == 0 || Addr >= LangAS::Count);
+    if (Addr)
+      return Addr - LangAS::Count;
+    // TODO: The diagnostic messages where Addr may be 0 should be fixed
+    // since it cannot differentiate the situation where 0 denotes the default
+    // address space or user specified __attribute__((address_space(0))).
+    return 0;
+  }
   void setAddressSpace(unsigned space) {
     assert(space <= MaxAddressSpace);
     Mask = (Mask & ~AddressSpaceMask)

Modified: cfe/trunk/include/clang/Basic/AddressSpaces.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/AddressSpaces.h?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/AddressSpaces.h (original)
+++ cfe/trunk/include/clang/Basic/AddressSpaces.h Tue Apr 11 12:24:23 2017
@@ -20,24 +20,32 @@ namespace clang {
 
 namespace LangAS {
 
-/// \brief Defines the set of possible language-specific address spaces.
+/// \brief Defines the address space values used by the address space qualifier
+/// of QualType.
 ///
-/// This uses a high starting offset so as not to conflict with any address
-/// space used by a target.
 enum ID {
-  Offset = 0x7FFF00,
+  // The default value 0 is the value used in QualType for the the situation
+  // where there is no address space qualifier. For most languages, this also
+  // corresponds to the situation where there is no address space qualifier in
+  // the source code, except for OpenCL, where the address space value 0 in
+  // QualType represents private address space in OpenCL source code.
+  Default = 0,
 
-  opencl_global = Offset,
+  // OpenCL specific address spaces.
+  opencl_global,
   opencl_local,
   opencl_constant,
   opencl_generic,
 
+  // CUDA specific address spaces.
   cuda_device,
   cuda_constant,
   cuda_shared,
 
-  Last,
-  Count = Last-Offset
+  // This denotes the count of language-specific address spaces and also
+  // the offset added to the target-specific address spaces, which are usually
+  // specified by address space attributes __attribute__(address_space(n))).
+  Count
 };
 
 /// The type of a lookup table which maps from language-specific address spaces

Modified: cfe/trunk/lib/AST/ASTContext.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ASTContext.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ASTContext.cpp (original)
+++ cfe/trunk/lib/AST/ASTContext.cpp Tue Apr 11 12:24:23 2017
@@ -703,6 +703,7 @@ static const LangAS::Map *getAddressSpac
     // The fake address space map must have a distinct entry for each
     // language-specific address space.
     static const unsigned FakeAddrSpaceMap[] = {
+      0, // Default
       1, // opencl_global
       3, // opencl_local
       2, // opencl_constant
@@ -8727,7 +8728,8 @@ static QualType DecodeTypeFromStr(const
       char *End;
       unsigned AddrSpace = strtoul(Str, &End, 10);
       if (End != Str && AddrSpace != 0) {
-        Type = Context.getAddrSpaceQualType(Type, AddrSpace);
+        Type = Context.getAddrSpaceQualType(Type, AddrSpace +
+            LangAS::Count);
         Str = End;
       }
       if (c == '*')
@@ -9546,6 +9548,18 @@ uint64_t ASTContext::getTargetNullPointe
   return getTargetInfo().getNullPointerValue(AS);
 }
 
+unsigned ASTContext::getTargetAddressSpace(unsigned AS) const {
+  // For OpenCL, only function local variables are not explicitly marked with
+  // an address space in the AST, and these need to be the address space of
+  // alloca.
+  if (!AS && LangOpts.OpenCL)
+    return getTargetInfo().getDataLayout().getAllocaAddrSpace();
+  if (AS >= LangAS::Count)
+    return AS - LangAS::Count;
+  else
+    return (*AddrSpaceMap)[AS];
+}
+
 // Explicitly instantiate this in case a Redeclarable<T> is used from a TU that
 // doesn't include ASTContext.h
 template

Modified: cfe/trunk/lib/AST/ExprClassification.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ExprClassification.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ExprClassification.cpp (original)
+++ cfe/trunk/lib/AST/ExprClassification.cpp Tue Apr 11 12:24:23 2017
@@ -627,7 +627,8 @@ static Cl::ModifiableType IsModifiable(A
   // Const stuff is obviously not modifiable.
   if (CT.isConstQualified())
     return Cl::CM_ConstQualified;
-  if (CT.getQualifiers().getAddressSpace() == LangAS::opencl_constant)
+  if (Ctx.getLangOpts().OpenCL &&
+      CT.getQualifiers().getAddressSpace() == LangAS::opencl_constant)
     return Cl::CM_ConstAddrSpace;
 
   // Arrays are not modifiable, only their elements are.

Modified: cfe/trunk/lib/AST/TypePrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/TypePrinter.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/AST/TypePrinter.cpp (original)
+++ cfe/trunk/lib/AST/TypePrinter.cpp Tue Apr 11 12:24:23 2017
@@ -1653,14 +1653,22 @@ void Qualifiers::print(raw_ostream &OS,
         OS << "__local";
         break;
       case LangAS::opencl_constant:
+      case LangAS::cuda_constant:
         OS << "__constant";
         break;
       case LangAS::opencl_generic:
         OS << "__generic";
         break;
+      case LangAS::cuda_device:
+        OS << "__device";
+        break;
+      case LangAS::cuda_shared:
+        OS << "__shared";
+        break;
       default:
+        assert(addrspace >= LangAS::Count);
         OS << "__attribute__((address_space(";
-        OS << addrspace;
+        OS << addrspace - LangAS::Count;
         OS << ")))";
     }
   }

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Tue Apr 11 12:24:23 2017
@@ -1777,6 +1777,7 @@ public:
 };
 
 static const unsigned NVPTXAddrSpaceMap[] = {
+    0, // Default
     1, // opencl_global
     3, // opencl_local
     4, // opencl_constant
@@ -2031,6 +2032,7 @@ ArrayRef<const char *> NVPTXTargetInfo::
 }
 
 static const LangAS::Map AMDGPUPrivateIsZeroMap = {
+    4,  // Default
     1,  // opencl_global
     3,  // opencl_local
     2,  // opencl_constant
@@ -2040,6 +2042,7 @@ static const LangAS::Map AMDGPUPrivateIs
     3   // cuda_shared
 };
 static const LangAS::Map AMDGPUGenericIsZeroMap = {
+    0,  // Default
     1,  // opencl_global
     3,  // opencl_local
     2,  // opencl_constant
@@ -2064,7 +2067,7 @@ static const char *const DataLayoutStrin
 static const char *const DataLayoutStringSIGenericIsZero =
   "e-p:64:64-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:32:32"
   "-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128"
-  "-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64";
+  "-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-A5";
 
 class AMDGPUTargetInfo final : public TargetInfo {
   static const Builtin::Info BuiltinInfo[];
@@ -2139,6 +2142,7 @@ public:
                     (IsGenericZero ? DataLayoutStringSIGenericIsZero :
                         DataLayoutStringSIPrivateIsZero)
                     : DataLayoutStringR600);
+    assert(DataLayout->getAllocaAddrSpace() == AS.Private);
 
     AddrSpaceMap = IsGenericZero ? &AMDGPUGenericIsZeroMap :
         &AMDGPUPrivateIsZeroMap;
@@ -7408,6 +7412,7 @@ ArrayRef<const char *> MSP430TargetInfo:
 // publicly available in http://tce.cs.tut.fi
 
 static const unsigned TCEOpenCLAddrSpaceMap[] = {
+    0, // Default
     3, // opencl_global
     4, // opencl_local
     5, // opencl_constant
@@ -8374,6 +8379,7 @@ const Builtin::Info Le64TargetInfo::Buil
 };
 
 static const unsigned SPIRAddrSpaceMap[] = {
+    0, // Default
     1, // opencl_global
     3, // opencl_local
     2, // opencl_constant

Modified: cfe/trunk/lib/Sema/SemaExprCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprCXX.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaExprCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExprCXX.cpp Tue Apr 11 12:24:23 2017
@@ -2048,9 +2048,10 @@ bool Sema::CheckAllocatedType(QualType A
   else if (AllocType->isVariablyModifiedType())
     return Diag(Loc, diag::err_variably_modified_new_type)
              << AllocType;
-  else if (unsigned AddressSpace = AllocType.getAddressSpace())
+  else if (AllocType.getAddressSpace())
     return Diag(Loc, diag::err_address_space_qualified_new)
-      << AllocType.getUnqualifiedType() << AddressSpace;
+      << AllocType.getUnqualifiedType()
+      << AllocType.getQualifiers().getAddressSpaceAttributePrintValue();
   else if (getLangOpts().ObjCAutoRefCount) {
     if (const ArrayType *AT = Context.getAsArrayType(AllocType)) {
       QualType BaseAllocType = Context.getBaseElementType(AT);
@@ -3117,10 +3118,11 @@ Sema::ActOnCXXDelete(SourceLocation Star
     QualType Pointee = Type->getAs<PointerType>()->getPointeeType();
     QualType PointeeElem = Context.getBaseElementType(Pointee);
 
-    if (unsigned AddressSpace = Pointee.getAddressSpace())
+    if (Pointee.getAddressSpace())
       return Diag(Ex.get()->getLocStart(),
                   diag::err_address_space_qualified_delete)
-               << Pointee.getUnqualifiedType() << AddressSpace;
+               << Pointee.getUnqualifiedType()
+               << Pointee.getQualifiers().getAddressSpaceAttributePrintValue();
 
     CXXRecordDecl *PointeeRD = nullptr;
     if (Pointee->isVoidType() && !isSFINAEContext()) {

Modified: cfe/trunk/lib/Sema/SemaOverload.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOverload.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOverload.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOverload.cpp Tue Apr 11 12:24:23 2017
@@ -9528,7 +9528,8 @@ static void DiagnoseBadConversion(Sema &
         << (unsigned) FnKind << FnDesc
         << (FromExpr ? FromExpr->getSourceRange() : SourceRange())
         << FromTy
-        << FromQs.getAddressSpace() << ToQs.getAddressSpace()
+        << FromQs.getAddressSpaceAttributePrintValue()
+        << ToQs.getAddressSpaceAttributePrintValue()
         << (unsigned) isObjectArgument << I+1;
       MaybeEmitInheritedConstructorNote(S, Cand->FoundDecl);
       return;

Modified: cfe/trunk/lib/Sema/SemaType.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaType.cpp?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaType.cpp (original)
+++ cfe/trunk/lib/Sema/SemaType.cpp Tue Apr 11 12:24:23 2017
@@ -5529,14 +5529,14 @@ static void HandleAddressSpaceTypeAttrib
       addrSpace.setIsSigned(false);
     }
     llvm::APSInt max(addrSpace.getBitWidth());
-    max = Qualifiers::MaxAddressSpace;
+    max = Qualifiers::MaxAddressSpace - LangAS::Count;
     if (addrSpace > max) {
       S.Diag(Attr.getLoc(), diag::err_attribute_address_space_too_high)
-        << int(Qualifiers::MaxAddressSpace) << ASArgExpr->getSourceRange();
+        << (unsigned)max.getZExtValue() << ASArgExpr->getSourceRange();
       Attr.setInvalid();
       return;
     }
-    ASIdx = static_cast<unsigned>(addrSpace.getZExtValue());
+    ASIdx = static_cast<unsigned>(addrSpace.getZExtValue()) + LangAS::Count;
   } else {
     // The keyword-based type attributes imply which address space to use.
     switch (Attr.getKind()) {

Modified: cfe/trunk/test/CodeGen/address-space.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/address-space.c?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/address-space.c (original)
+++ cfe/trunk/test/CodeGen/address-space.c Tue Apr 11 12:24:23 2017
@@ -1,4 +1,6 @@
-// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck -check-prefixes=CHECK,GIZ %s
+// RUN: %clang_cc1 -triple amdgcn -emit-llvm < %s | FileCheck -check-prefixes=CHECK,PIZ %s
+// RUN: %clang_cc1 -triple amdgcn---amdgiz -emit-llvm < %s | FileCheck -check-prefixes=CHeCK,GIZ %s
 
 // CHECK: @foo = common addrspace(1) global
 int foo __attribute__((address_space(1)));
@@ -6,6 +8,9 @@ int foo __attribute__((address_space(1))
 // CHECK: @ban = common addrspace(1) global
 int ban[10] __attribute__((address_space(1)));
 
+// CHECK: @a = common global
+int a __attribute__((address_space(0)));
+
 // CHECK-LABEL: define i32 @test1() 
 // CHECK: load i32, i32 addrspace(1)* @foo
 int test1() { return foo; }
@@ -19,9 +24,11 @@ int test2(int i) { return ban[i]; }
 __attribute__((address_space(2))) int *A, *B;
 
 // CHECK-LABEL: define void @test3()
-// CHECK: load i32 addrspace(2)*, i32 addrspace(2)** @B
+// GIZ: load i32 addrspace(2)*, i32 addrspace(2)** @B
+// PIZ: load i32 addrspace(2)*, i32 addrspace(2)* addrspace(4)* @B
 // CHECK: load i32, i32 addrspace(2)*
-// CHECK: load i32 addrspace(2)*, i32 addrspace(2)** @A
+// GIZ: load i32 addrspace(2)*, i32 addrspace(2)** @A
+// PIZ: load i32 addrspace(2)*, i32 addrspace(2)* addrspace(4)* @A
 // CHECK: store i32 {{.*}}, i32 addrspace(2)*
 void test3() {
   *A = *B;

Added: cfe/trunk/test/CodeGen/default-address-space.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/default-address-space.c?rev=299965&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/default-address-space.c (added)
+++ cfe/trunk/test/CodeGen/default-address-space.c Tue Apr 11 12:24:23 2017
@@ -0,0 +1,58 @@
+// RUN: %clang_cc1 -triple amdgcn -emit-llvm < %s | FileCheck -check-prefixes=PIZ,COM %s
+// RUN: %clang_cc1 -triple amdgcn---amdgiz -emit-llvm < %s | FileCheck -check-prefixes=CHECK,COM %s
+
+// PIZ-DAG: @foo = common addrspace(4) global i32 0
+// CHECK-DAG: @foo = common global i32 0
+int foo;
+
+// PIZ-DAG: @ban = common addrspace(4) global [10 x i32] zeroinitializer
+// CHECK-DAG: @ban = common global [10 x i32] zeroinitializer
+int ban[10];
+
+// PIZ-DAG: @A = common addrspace(4) global i32 addrspace(4)* null
+// PIZ-DAG: @B = common addrspace(4) global i32 addrspace(4)* null
+// CHECK-DAG: @A = common global i32* null
+// CHECK-DAG: @B = common global i32* null
+int *A;
+int *B;
+
+// COM-LABEL: define i32 @test1()
+// PIZ: load i32, i32 addrspace(4)* @foo
+// CHECK: load i32, i32* @foo
+int test1() { return foo; }
+
+// COM-LABEL: define i32 @test2(i32 %i)
+// PIZ: load i32, i32 addrspace(4)*
+// PIZ-NEXT: ret i32
+// CHECK: load i32, i32*
+// CHECK-NEXT: ret i32
+int test2(int i) { return ban[i]; }
+
+// COM-LABEL: define void @test3()
+// PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* @B
+// PIZ: load i32, i32 addrspace(4)*
+// PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* @A
+// PIZ: store i32 {{.*}}, i32 addrspace(4)*
+// CHECK: load i32*, i32** @B
+// CHECK: load i32, i32*
+// CHECK: load i32*, i32** @A
+// CHECK: store i32 {{.*}}, i32*
+void test3() {
+  *A = *B;
+}
+
+// PIZ-LABEL: define void @test4(i32 addrspace(4)* %a)
+// PIZ: %[[a_addr:.*]] = alloca i32 addrspace(4)*
+// PIZ: store i32 addrspace(4)* %a, i32 addrspace(4)** %[[a_addr]]
+// PIZ: %[[r0:.*]] = load i32 addrspace(4)*, i32 addrspace(4)** %[[a_addr]]
+// PIZ: %[[arrayidx:.*]] = getelementptr inbounds i32, i32 addrspace(4)* %[[r0]]
+// PIZ: store i32 0, i32 addrspace(4)* %[[arrayidx]]
+// CHECK-LABEL: define void @test4(i32* %a)
+// CHECK: %[[a_addr:.*]] = alloca i32*, align 4, addrspace(5)
+// CHECK: store i32* %a, i32* addrspace(5)* %[[a_addr]]
+// CHECK: %[[r0:.*]] = load i32*, i32* addrspace(5)* %[[a_addr]]
+// CHECK: %[[arrayidx:.*]] = getelementptr inbounds i32, i32* %[[r0]]
+// CHECK: store i32 0, i32* %[[arrayidx]]
+void test4(int *a) {
+  a[0] = 0;
+}

Modified: cfe/trunk/test/CodeGenOpenCL/address-spaces.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/address-spaces.cl?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/address-spaces.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/address-spaces.cl Tue Apr 11 12:24:23 2017
@@ -1,7 +1,12 @@
-// RUN: %clang_cc1 %s -O0 -ffake-address-space-map -emit-llvm -o - | FileCheck %s
-// RUN: %clang_cc1 %s -O0 -DCL20 -cl-std=CL2.0 -ffake-address-space-map -emit-llvm -o - | FileCheck %s --check-prefix=CL20
+// RUN: %clang_cc1 %s -O0 -ffake-address-space-map -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,SPIR
+// RUN: %clang_cc1 %s -O0 -DCL20 -cl-std=CL2.0 -ffake-address-space-map -emit-llvm -o - | FileCheck %s --check-prefixes=CL20,CL20SPIR
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa-opencl -emit-llvm -o - | FileCheck --check-prefixes=CHECK,SPIR %s
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa-opencl -DCL20 -cl-std=CL2.0 -emit-llvm -o - | FileCheck %s --check-prefixes=CL20,CL20SPIR
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa-amdgizcl -emit-llvm -o - | FileCheck %s -check-prefixes=CHECK,GIZ
+// RUN: %clang_cc1 %s -O0 -triple amdgcn-amd-amdhsa-amdgizcl -DCL20 -cl-std=CL2.0 -emit-llvm -o - | FileCheck %s --check-prefixes=CL20,CL20GIZ
 
-// CHECK: i32* %arg
+// SPIR: i32* %arg
+// GIZ: i32 addrspace(5)* %arg
 void f__p(__private int *arg) {}
 
 // CHECK: i32 addrspace(1)* %arg
@@ -13,7 +18,8 @@ void f__l(__local int *arg) {}
 // CHECK: i32 addrspace(2)* %arg
 void f__c(__constant int *arg) {}
 
-// CHECK: i32* %arg
+// SPIR: i32* %arg
+// GIZ: i32 addrspace(5)* %arg
 void fp(private int *arg) {}
 
 // CHECK: i32 addrspace(1)* %arg
@@ -29,16 +35,21 @@ void fc(constant int *arg) {}
 int i;
 // CL20-DAG: @i = common addrspace(1) global i32 0
 int *ptr;
-// CL20-DAG: @ptr = common addrspace(1) global i32 addrspace(4)* null
+// CL20SPIR-DAG: @ptr = common addrspace(1) global i32 addrspace(4)* null
+// CL20GIZ-DAG: @ptr = common addrspace(1) global i32* null
 #endif
 
-// CHECK: i32* %arg
-// CL20-DAG: i32 addrspace(4)* %arg
+// SPIR: i32* %arg
+// GIZ: i32 addrspace(5)* %arg
+// CL20SPIR-DAG: i32 addrspace(4)* %arg
+// CL20GIZ-DAG: i32* %arg
 void f(int *arg) {
 
   int i;
-// CHECK: %i = alloca i32,
-// CL20-DAG: %i = alloca i32,
+// SPIR: %i = alloca i32,
+// GIZ: %i = alloca i32{{.*}}addrspace(5)
+// CL20SPIR-DAG: %i = alloca i32,
+// CL20GIZ-DAG: %i = alloca i32{{.*}}addrspace(5)
 
 #ifdef CL20
   static int ii;

Modified: cfe/trunk/test/CodeGenOpenCL/amdgpu-env-amdgiz.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/amdgpu-env-amdgiz.cl?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/amdgpu-env-amdgiz.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/amdgpu-env-amdgiz.cl Tue Apr 11 12:24:23 2017
@@ -4,6 +4,6 @@
 // RUN: %clang_cc1 %s -O0 -triple amdgcn---amdgizcl -emit-llvm -o - | FileCheck -check-prefix=GIZ %s
 
 // CHECK: target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
-// GIZ: target datalayout = "e-p:64:64-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
+// GIZ: target datalayout = "e-p:64:64-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-A5"
 void foo(void) {}
 

Modified: cfe/trunk/test/CodeGenOpenCL/vla.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenOpenCL/vla.cl?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenOpenCL/vla.cl (original)
+++ cfe/trunk/test/CodeGenOpenCL/vla.cl Tue Apr 11 12:24:23 2017
@@ -1,4 +1,6 @@
-// RUN: %clang_cc1 -emit-llvm -triple "spir-unknown-unknown" -O0 -cl-std=CL2.0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -triple "spir-unknown-unknown" -O0 -cl-std=CL2.0 -o - %s | FileCheck -check-prefixes=CHECK,SPIR %s
+// RUN: %clang_cc1 -emit-llvm -triple amdgcn-amd-amdhsa-opencl -O0 -cl-std=CL2.0 -o - %s | FileCheck -check-prefixes=CHECK,SPIR %s
+// RUN: %clang_cc1 -emit-llvm -triple amdgcn-amd-amdhsa-amdgizcl -O0 -cl-std=CL2.0 -o - %s | FileCheck -check-prefixes=CHECK,GIZ %s
 
 constant int sz0 = 5;
 // CHECK: @sz0 = addrspace(2) constant i32 5
@@ -11,8 +13,12 @@ const constant int sz2 = 8;
 kernel void testvla()
 {
   int vla0[sz0];
-// CHECK: %vla0 = alloca [5 x i32]
+// SPIR: %vla0 = alloca [5 x i32]
+// SPIR-NOT: %vla0 = alloca [5 x i32]{{.*}}addrspace
+// GIZ: %vla0 = alloca [5 x i32]{{.*}}addrspace(5)
   char vla1[sz1];
-// CHECK: %vla1 = alloca [16 x i8]
+// SPIR: %vla1 = alloca [16 x i8]
+// SPIR-NOT: %vla1 = alloca [16 x i8]{{.*}}addrspace
+// GIZ: %vla1 = alloca [16 x i8]{{.*}}addrspace(5)
   local short vla2[sz2];
 }

Modified: cfe/trunk/test/Sema/address_spaces.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/address_spaces.c?rev=299965&r1=299964&r2=299965&view=diff
==============================================================================
--- cfe/trunk/test/Sema/address_spaces.c (original)
+++ cfe/trunk/test/Sema/address_spaces.c Tue Apr 11 12:24:23 2017
@@ -20,7 +20,7 @@ void foo(_AS3 float *a,
   _AS1 int arrarr[5][5]; // expected-error {{automatic variable qualified with an address space}}
 
   __attribute__((address_space(-1))) int *_boundsA; // expected-error {{address space is negative}}
-  __attribute__((address_space(0x7FFFFF))) int *_boundsB;
+  __attribute__((address_space(0x7FFFFF))) int *_boundsB; // expected-error {{address space is larger than the maximum supported}}
   __attribute__((address_space(0x1000000))) int *_boundsC; // expected-error {{address space is larger than the maximum supported}}
   // chosen specifically to overflow 32 bits and come out reasonable
   __attribute__((address_space(4294967500))) int *_boundsD; // expected-error {{address space is larger than the maximum supported}}

Removed: cfe/trunk/test/Sema/invalid-assignment-constant-address-space.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/invalid-assignment-constant-address-space.c?rev=299964&view=auto
==============================================================================
--- cfe/trunk/test/Sema/invalid-assignment-constant-address-space.c (original)
+++ cfe/trunk/test/Sema/invalid-assignment-constant-address-space.c (removed)
@@ -1,8 +0,0 @@
-// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
-
-#define OPENCL_CONSTANT 8388354
-int __attribute__((address_space(OPENCL_CONSTANT))) c[3] = {0};
-
-void foo() {
-  c[0] = 1; //expected-error{{read-only variable is not assignable}}
-}

Added: cfe/trunk/test/SemaOpenCL/invalid-assignment-constant-address-space.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/invalid-assignment-constant-address-space.cl?rev=299965&view=auto
==============================================================================
--- cfe/trunk/test/SemaOpenCL/invalid-assignment-constant-address-space.cl (added)
+++ cfe/trunk/test/SemaOpenCL/invalid-assignment-constant-address-space.cl Tue Apr 11 12:24:23 2017
@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
+
+int constant c[3] = {0};
+
+void foo() {
+  c[0] = 1; //expected-error{{read-only variable is not assignable}}
+}




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