Author: rnk
Date: Wed Dec  3 15:00:21 2014
New Revision: 223267

URL: http://llvm.org/viewvc/llvm-project?rev=223267&view=rev
Log:
Cast vtable address points to i32 (...)** to enable more globalopt

We currently use i32 (...)** as the type of the vptr field in the LLVM
struct type. LLVM's GlobalOpt prefers any bitcasts to be on the side of
the data being stored rather than on the pointer being stored to.

Reviewers: majnemer

Differential Revision: http://reviews.llvm.org/D5916

Added:
    cfe/trunk/test/CodeGenCXX/ctor-globalopt.cpp
Modified:
    cfe/trunk/lib/CodeGen/CGClass.cpp
    cfe/trunk/test/CodeGenCXX/constructor-init.cpp
    cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
    cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis.cpp
    cfe/trunk/test/CodeGenCXX/microsoft-abi-multiple-nonvirtual-inheritance.cpp
    cfe/trunk/test/CodeGenCXX/microsoft-abi-structors.cpp
    cfe/trunk/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp
    cfe/trunk/test/CodeGenCXX/microsoft-interface.cpp
    cfe/trunk/test/CodeGenCXX/skip-vtable-pointer-initialization.cpp
    cfe/trunk/test/CodeGenCXX/vtable-pointer-initialization.cpp

Modified: cfe/trunk/lib/CodeGen/CGClass.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGClass.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGClass.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGClass.cpp Wed Dec  3 15:00:21 2014
@@ -1982,10 +1982,14 @@ CodeGenFunction::InitializeVTablePointer
                                                   NonVirtualOffset,
                                                   VirtualOffset);
 
-  // Finally, store the address point.
-  llvm::Type *AddressPointPtrTy =
-    VTableAddressPoint->getType()->getPointerTo();
-  VTableField = Builder.CreateBitCast(VTableField, AddressPointPtrTy);
+  // Finally, store the address point. Use the same LLVM types as the field to
+  // support optimization.
+  llvm::Type *VTablePtrTy =
+      llvm::FunctionType::get(CGM.Int32Ty, /*isVarArg=*/true)
+          ->getPointerTo()
+          ->getPointerTo();
+  VTableField = Builder.CreateBitCast(VTableField, 
VTablePtrTy->getPointerTo());
+  VTableAddressPoint = Builder.CreateBitCast(VTableAddressPoint, VTablePtrTy);
   llvm::StoreInst *Store = Builder.CreateStore(VTableAddressPoint, 
VTableField);
   CGM.DecorateInstruction(Store, CGM.getTBAAInfoForVTablePtr());
 }

Modified: cfe/trunk/test/CodeGenCXX/constructor-init.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/constructor-init.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/constructor-init.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/constructor-init.cpp Wed Dec  3 15:00:21 2014
@@ -94,23 +94,23 @@ namespace InitVTable {
   };
 
   // CHECK-LABEL: define void @_ZN10InitVTable1BC2Ev(%"struct.InitVTable::B"* 
%this) unnamed_addr
-  // CHECK:      [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i8***
-  // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]]
+  // CHECK:      [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i32 (...)***
+  // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x 
i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]]
   // CHECK:      [[VTBL:%.*]] = load i32 ([[B]]*)*** {{%.*}}
   // CHECK-NEXT: [[FNP:%.*]] = getelementptr inbounds i32 ([[B]]*)** [[VTBL]], 
i64 0
   // CHECK-NEXT: [[FN:%.*]] = load i32 ([[B]]*)** [[FNP]]
   // CHECK-NEXT: [[ARG:%.*]] = call i32 [[FN]]([[B]]* [[THIS]])
   // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]])
-  // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* [[THIS]] to i8***
-  // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]]
+  // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* [[THIS]] to i32 (...)***
+  // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x 
i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]]
   // CHECK-NEXT: ret void
   B::B() : A(foo()) {}
 
   // CHECK-LABEL: define void @_ZN10InitVTable1BC2Ei(%"struct.InitVTable::B"* 
%this, i32 %x) unnamed_addr
   // CHECK:      [[ARG:%.*]] = add nsw i32 {{%.*}}, 5
   // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]])
-  // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i8***
-  // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]]
+  // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i32 (...)***
+  // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x 
i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]]
   // CHECK-NEXT: ret void
   B::B(int x) : A(x + 5) {}
 }

Modified: cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis-2.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis-2.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis-2.cpp Wed Dec  3 
15:00:21 2014
@@ -4,4 +4,4 @@ struct A { virtual void a(); };
 A x(A& y) { return y; }
 
 // CHECK: define linkonce_odr {{.*}} @_ZN1AC1ERKS_(%struct.A* {{.*}}%this, 
%struct.A* dereferenceable({{[0-9]+}})) unnamed_addr
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1A, i64 0, i64 2)
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1A, i64 0, i64 2) to i32 (...)**)

Modified: cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/copy-constructor-synthesis.cpp Wed Dec  3 
15:00:21 2014
@@ -148,8 +148,8 @@ void f(B b1) {
 
 // CHECK-LABEL:    define linkonce_odr void @_ZN12rdar138169401AC2ERKS0_(
 // CHECK:      [[THIS:%.*]] = load [[A]]**
-// CHECK-NEXT: [[T0:%.*]] = bitcast [[A]]* [[THIS]] to i8***
-// CHECK-NEXT: store i8** getelementptr inbounds ([4 x i8*]* 
@_ZTVN12rdar138169401AE, i64 0, i64 2), i8*** [[T0]]
+// CHECK-NEXT: [[T0:%.*]] = bitcast [[A]]* [[THIS]] to i32 (...)***
+// CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([4 x 
i8*]* @_ZTVN12rdar138169401AE, i64 0, i64 2) to i32 (...)**), i32 (...)*** 
[[T0]]
 // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[A]]* [[THIS]], i32 0, i32 
1
 // CHECK-NEXT: [[OTHER:%.*]] = load [[A]]**
 // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[A]]* [[OTHER]], i32 0, 
i32 1

Added: cfe/trunk/test/CodeGenCXX/ctor-globalopt.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/ctor-globalopt.cpp?rev=223267&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenCXX/ctor-globalopt.cpp (added)
+++ cfe/trunk/test/CodeGenCXX/ctor-globalopt.cpp Wed Dec  3 15:00:21 2014
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck 
%s
+// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s -O1 | 
FileCheck %s --check-prefix=O1
+// RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s -O1 | FileCheck 
%s --check-prefix=O1
+
+// Check that GlobalOpt can eliminate static constructors for simple implicit
+// constructors. This is a targetted integration test to make sure that LLVM's
+// optimizers are able to process Clang's IR. GlobalOpt in particular is
+// sensitive to the casts we emit.
+
+// CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] 
+// CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* 
@_GLOBAL__sub_I_ctor_globalopt.cpp, i8* null }]
+
+// CHECK-LABEL: define internal void @_GLOBAL__sub_I_ctor_globalopt.cpp()
+// CHECK: call void @
+// CHECK-NOT: call
+
+// O1: @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] 
zeroinitializer
+
+struct A {
+  virtual void f();
+  int a;
+};
+struct B : virtual A {
+  virtual void g();
+  int b;
+};
+B b;

Modified: 
cfe/trunk/test/CodeGenCXX/microsoft-abi-multiple-nonvirtual-inheritance.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-abi-multiple-nonvirtual-inheritance.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/microsoft-abi-multiple-nonvirtual-inheritance.cpp 
(original)
+++ cfe/trunk/test/CodeGenCXX/microsoft-abi-multiple-nonvirtual-inheritance.cpp 
Wed Dec  3 15:00:21 2014
@@ -150,35 +150,35 @@ void emit_ctors() {
   Left l;
   // CHECK: define {{.*}} @"\01??0Left@@QAE@XZ"
   // CHECK-NOT: getelementptr
-  // CHECK:   store [1 x i8*]* @"\01??_7Left@@6B@"
+  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @"\01??_7Left@@6B@" to i32 
(...)**)
   // CHECK: ret
 
   Right r;
   // CHECK: define {{.*}} @"\01??0Right@@QAE@XZ"
   // CHECK-NOT: getelementptr
-  // CHECK:   store [1 x i8*]* @"\01??_7Right@@6B@"
+  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @"\01??_7Right@@6B@" to 
i32 (...)**)
   // CHECK: ret
 
   ChildOverride co;
   // CHECK: define {{.*}} @"\01??0ChildOverride@@QAE@XZ"
   // CHECK:   %[[THIS:.*]] = load %struct.ChildOverride**
-  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to [1 x 
i8*]**
-  // CHECK:   store [1 x i8*]* @"\01??_7ChildOverride@@6BLeft@@@", [1 x i8*]** 
%[[VFPTR]]
+  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i32 
(...)***
+  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7ChildOverride@@6BLeft@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
   // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
   // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
-  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
-  // CHECK:   store [1 x i8*]* @"\01??_7ChildOverride@@6BRight@@@", [1 x 
i8*]** %[[VFPTR]]
+  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
+  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7ChildOverride@@6BRight@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
   // CHECK: ret
 
   GrandchildOverride gc;
   // CHECK: define {{.*}} @"\01??0GrandchildOverride@@QAE@XZ"
   // CHECK:   %[[THIS:.*]] = load %struct.GrandchildOverride**
-  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to 
[1 x i8*]**
-  // CHECK:   store [1 x i8*]* @"\01??_7GrandchildOverride@@6BLeft@@@", [1 x 
i8*]** %[[VFPTR]]
+  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to 
i32 (...)***
+  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7GrandchildOverride@@6BLeft@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
   // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] 
to i8*
   // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
-  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
-  // CHECK:   store [1 x i8*]* @"\01??_7GrandchildOverride@@6BRight@@@", [1 x 
i8*]** %[[VFPTR]]
+  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
+  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7GrandchildOverride@@6BRight@@@" to i32 (...)**), i32 (...)*** 
%[[VFPTR]]
   // CHECK: ret
 }
 

Modified: cfe/trunk/test/CodeGenCXX/microsoft-abi-structors.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-abi-structors.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/microsoft-abi-structors.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/microsoft-abi-structors.cpp Wed Dec  3 15:00:21 
2014
@@ -75,8 +75,8 @@ void C::foo() {}
 void check_vftable_offset() {
   C c;
 // The vftable pointer should point at the beginning of the vftable.
-// CHECK: [[THIS_PTR:%[0-9]+]] = bitcast %"struct.basic::C"* {{.*}} to [2 x 
i8*]**
-// CHECK: store [2 x i8*]* @"\01??_7C@basic@@6B@", [2 x i8*]** [[THIS_PTR]]
+// CHECK: [[THIS_PTR:%[0-9]+]] = bitcast %"struct.basic::C"* {{.*}} to i32 
(...)***
+// CHECK: store i32 (...)** bitcast ([2 x i8*]* @"\01??_7C@basic@@6B@" to i32 
(...)**), i32 (...)*** [[THIS_PTR]]
 }
 
 void call_complete_dtor(C *obj_ptr) {

Modified: cfe/trunk/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp Wed Dec  3 
15:00:21 2014
@@ -32,8 +32,8 @@ B::B() {
   // ...
   // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.B* %[[THIS]] to i8*
   // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 
%{{.*}}
-  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [3 x i8*]**
-  // CHECK:   store [3 x i8*]* @"\01??_7B@@6B@", [3 x i8*]** %[[VFPTR]]
+  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
+  // CHECK:   store i32 (...)** bitcast ([3 x i8*]* @"\01??_7B@@6B@" to i32 
(...)**), i32 (...)*** %[[VFPTR]]
 
   // Initialize vtorDisp:
   // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.B* %[[THIS]] to i8*
@@ -65,8 +65,8 @@ B::~B() {
   // ...
   // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.B* %[[THIS]] to i8*
   // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 
%{{.*}}
-  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [3 x i8*]**
-  // CHECK:   store [3 x i8*]* @"\01??_7B@@6B@", [3 x i8*]** %[[VFPTR]]
+  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
+  // CHECK:   store i32 (...)** bitcast ([3 x i8*]* @"\01??_7B@@6B@" to i32 
(...)**), i32 (...)*** %[[VFPTR]]
 
   // Initialize vtorDisp:
   // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.B* %[[THIS]] to i8*
@@ -245,9 +245,9 @@ struct D : virtual A, virtual B, virtual
 D::D() {
   // CHECK-LABEL: define x86_thiscallcc %"struct.multiple_vbases::D"* 
@"\01??0D@multiple_vbases@@QAE@XZ"
   // Just make sure we emit 3 vtordisps after initializing vfptrs.
-  // CHECK: store [1 x i8*]* @"\01??_7D@multiple_vbases@@6BA@1@@", [1 x i8*]** 
%{{.*}}
-  // CHECK: store [1 x i8*]* @"\01??_7D@multiple_vbases@@6BB@1@@", [1 x i8*]** 
%{{.*}}
-  // CHECK: store [1 x i8*]* @"\01??_7D@multiple_vbases@@6BC@1@@", [1 x i8*]** 
%{{.*}}
+  // CHECK: store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7D@multiple_vbases@@6BA@1@@" to i32 (...)**), i32 (...)*** %{{.*}}
+  // CHECK: store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7D@multiple_vbases@@6BB@1@@" to i32 (...)**), i32 (...)*** %{{.*}}
+  // CHECK: store i32 (...)** bitcast ([1 x i8*]* 
@"\01??_7D@multiple_vbases@@6BC@1@@" to i32 (...)**), i32 (...)*** %{{.*}}
   // ...
   // CHECK: store i32 %{{.*}}, i32* %{{.*}}
   // CHECK: store i32 %{{.*}}, i32* %{{.*}}
@@ -396,8 +396,8 @@ C::~C() {
   // In this case "this" points to the most derived class, so no GEPs needed.
   // CHECK-NOT: getelementptr
   // CHECK-NOT: bitcast
-  // CHECK: %[[VFPTR_i8:.*]] = bitcast %"struct.test4::C"* %{{.*}} to [1 x 
i8*]**
-  // CHECK: store [1 x i8*]* @"\01??_7C@test4@@6BB@1@@", [1 x i8*]** 
%[[VFPTR_i8]]
+  // CHECK: %[[VFPTR_i8:.*]] = bitcast %"struct.test4::C"* %{{.*}} to i32 
(...)***
+  // CHECK: store i32 (...)** bitcast ([1 x i8*]* @"\01??_7C@test4@@6BB@1@@" 
to i32 (...)**), i32 (...)*** %[[VFPTR_i8]]
 
   foo(this);
   // CHECK: ret
@@ -431,8 +431,8 @@ E::~E() {
   // In this case "this" points to the most derived class, so no GEPs needed.
   // CHECK-NOT: getelementptr
   // CHECK-NOT: bitcast
-  // CHECK: %[[VFPTR_i8:.*]] = bitcast %"struct.test4::E"* %{{.*}} to [1 x 
i8*]**
-  // CHECK: store [1 x i8*]* @"\01??_7E@test4@@6BD@1@@", [1 x i8*]** 
%[[VFPTR_i8]]
+  // CHECK: %[[VFPTR_i8:.*]] = bitcast %"struct.test4::E"* %{{.*}} to i32 
(...)***
+  // CHECK: store i32 (...)** bitcast ([1 x i8*]* @"\01??_7E@test4@@6BD@1@@" 
to i32 (...)**), i32 (...)*** %[[VFPTR_i8]]
   foo(this);
 }
 

Modified: cfe/trunk/test/CodeGenCXX/microsoft-interface.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-interface.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/microsoft-interface.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/microsoft-interface.cpp Wed Dec  3 15:00:21 2014
@@ -34,7 +34,7 @@ int fn() {
 
 // CHECK-LABEL: define linkonce_odr x86_thiscallcc void @_ZN1SC2Ev(%struct.S* 
%this)
 // CHECK:   call x86_thiscallcc void @_ZN1IC2Ev(%__interface.I* 
%{{[.0-9A-Z_a-z]+}})
-// CHECK:   store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1S, i64 0, i64 
2), i8*** %{{[.0-9A-Z_a-z]+}}
+// CHECK:   store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1S, i64 0, i64 2) to i32 (...)**), i32 (...)*** %{{[.0-9A-Z_a-z]+}}
 
 // CHECK-LABEL: define linkonce_odr x86_thiscallcc void 
@_ZN1IC2Ev(%__interface.I* %this)
-// CHECK:   store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1I, i64 0, i64 
2), i8*** %{{[.0-9A-Z_a-z]+}}
+// CHECK:   store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1I, i64 0, i64 2) to i32 (...)**), i32 (...)*** %{{[.0-9A-Z_a-z]+}}

Modified: cfe/trunk/test/CodeGenCXX/skip-vtable-pointer-initialization.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/skip-vtable-pointer-initialization.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/skip-vtable-pointer-initialization.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/skip-vtable-pointer-initialization.cpp Wed Dec  3 
15:00:21 2014
@@ -11,7 +11,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test11AD2Ev
-// CHECK-NOT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test11AE, 
i64 0, i64 2), i8***
+// CHECK-NOT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x 
i8*]* @_ZTVN5Test11AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A() 
 {
 }
@@ -27,7 +27,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test21AD2Ev
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test21AE, i64 
0, i64 2), i8***
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN5Test21AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A() {
   f();
 }
@@ -50,7 +50,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test31AD2Ev
-// CHECK-NOT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test31AE, 
i64 0, i64 2), i8***
+// CHECK-NOT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x 
i8*]* @_ZTVN5Test31AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A() {
   
 }
@@ -76,7 +76,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test41AD2Ev
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test41AE, i64 
0, i64 2), i8***
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN5Test41AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A()
 {
 }
@@ -100,7 +100,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test51AD2Ev
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test51AE, i64 
0, i64 2), i8***
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN5Test51AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A()
 {
 }
@@ -128,7 +128,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test61AD2Ev
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test61AE, i64 
0, i64 2), i8***
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN5Test61AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A()
 {
 }
@@ -154,7 +154,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test71AD2Ev
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test71AE, i64 
0, i64 2), i8***
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN5Test71AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A()
 {
 }
@@ -180,7 +180,7 @@ struct A {
 };
 
 // CHECK-LABEL: define void @_ZN5Test81AD2Ev
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN5Test81AE, i64 
0, i64 2), i8***
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTVN5Test81AE, i64 0, i64 2) to i32 (...)**), i32 (...)***
 A::~A()
 {
 }

Modified: cfe/trunk/test/CodeGenCXX/vtable-pointer-initialization.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/vtable-pointer-initialization.cpp?rev=223267&r1=223266&r2=223267&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/vtable-pointer-initialization.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/vtable-pointer-initialization.cpp Wed Dec  3 
15:00:21 2014
@@ -21,13 +21,13 @@ struct A : Base {
 
 // CHECK-LABEL: define void @_ZN1AC2Ev(%struct.A* %this) unnamed_addr
 // CHECK: call void @_ZN4BaseC2Ev(
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1A, i64 0, i64 2)
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1A, i64 0, i64 2) to i32 (...)**)
 // CHECK: call void @_ZN5FieldC1Ev(
 // CHECK: ret void
 A::A() { }
 
 // CHECK-LABEL: define void @_ZN1AD2Ev(%struct.A* %this) unnamed_addr
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1A, i64 0, i64 2)
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1A, i64 0, i64 2) to i32 (...)**)
 // CHECK: call void @_ZN5FieldD1Ev(
 // CHECK: call void @_ZN4BaseD2Ev(
 // CHECK: ret void
@@ -45,13 +45,13 @@ void f() { B b; }
 // CHECK: call void @_ZN1BC2Ev(
 
 // CHECK-LABEL: define linkonce_odr void @_ZN1BD1Ev(%struct.B* %this) 
unnamed_addr
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1B, i64 0, i64 2)
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1B, i64 0, i64 2) to i32 (...)**)
 // CHECK: call void @_ZN5FieldD1Ev(
 // CHECK: call void @_ZN4BaseD2Ev(
 // CHECK: ret void
 
 // CHECK-LABEL: define linkonce_odr void @_ZN1BC2Ev(%struct.B* %this) 
unnamed_addr
 // CHECK: call void @_ZN4BaseC2Ev(
-// CHECK: store i8** getelementptr inbounds ([3 x i8*]* @_ZTV1B, i64 0, i64 2)
+// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* 
@_ZTV1B, i64 0, i64 2) to i32 (...)**)
 // CHECK: call void @_ZN5FieldC1Ev
 // CHECK: ret void


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