Add the clang library to the repo (with some of my changes, too).

1 files changed, 335 insertions, 0 deletions

diff --git a/clang/test/Sema/ms_class_layout.cpp b/clang/test/Sema/ms_class_layout.cpp
new file mode 100644
index 0000000..ea3f899
--- /dev/null
+++ b/clang/test/Sema/ms_class_layout.cpp
@@ -0,0 +1,335 @@
+// RUN: %clang_cc1 -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -cxx-abi microsoft %s 2>&1 \
+// RUN:            | FileCheck %s
+
+#pragma pack(push, 8)
+
+class B {
+public:
+  virtual void b(){}
+  int b_field;
+protected:
+private:
+};
+
+class A : public B {
+public:
+  int a_field;
+  virtual void a(){}
+  char one;
+protected:
+private:
+};
+
+class D {
+public:
+  virtual void b(){}
+  double a;
+};
+
+class C : public virtual A, 
+          public D, public B {
+public:
+  double c1_field;
+  int c2_field;
+  double c3_field;
+  int c4_field;
+  virtual void foo(){}
+  virtual void bar(){}
+protected:
+private:
+};
+
+struct BaseStruct
+{
+    BaseStruct(){}
+    double v0;
+    float v1;
+    C fg;
+};
+
+struct DerivedStruct : public BaseStruct {
+  int x;
+};
+
+struct G
+{
+    int g_field;
+};
+
+struct H : public G, 
+           public virtual D
+{
+};
+
+struct I : public virtual D
+{
+  virtual ~I(){}
+  double q;
+};
+
+struct K
+{
+  int k;
+};
+
+struct L
+{
+  int l;
+};
+
+struct M : public virtual K
+{
+  int m;
+};
+
+struct N : public L, public M
+{
+  virtual void f(){}
+};
+
+struct O : public H, public G {
+  virtual void fo(){}
+};
+
+struct P : public M, public virtual L {
+  int p;
+};
+
+struct R {};
+
+#pragma pack(pop)
+
+// This needs only for building layouts. 
+// Without this clang doesn`t dump record layouts.
+int main() {
+  // This avoid "Can't yet mangle constructors!" for MS ABI.
+  C* c;
+  c->foo();
+  DerivedStruct* v;
+  H* g;
+  BaseStruct* u;
+  I* i;
+  N* n;
+  O* o;
+  P* p;
+  R* r;
+  return 0;
+}
+
+// CHECK:       0 | class D
+// CHECK-NEXT:  0 |   (D vftable pointer)
+// CHECK-NEXT:  8 |   double a
+
+// CHECK-NEXT: sizeof=16, dsize=16, align=8
+// CHECK-NEXT: nvsize=16, nvalign=8
+
+// CHECK: %class.D = type { i32 (...)**, double }
+
+// CHECK:       0 | class B
+// CHECK-NEXT:  0 |   (B vftable pointer)
+// CHECK-NEXT:  4 |   int b_field
+
+// CHECK-NEXT: sizeof=8, dsize=8, align=4
+// CHECK-NEXT: nvsize=8, nvalign=4
+
+// CHECK: %class.B = type { i32 (...)**, i32 }
+
+// CHECK:       0 | class A
+// CHECK-NEXT:  0 |   class B (primary base)
+// CHECK-NEXT:  0 |     (B vftable pointer)
+// CHECK-NEXT:  4 |     int b_field
+// CHECK-NEXT:  8 |   int a_field
+// CHECK-NEXT: 12 |   char one
+
+// CHECK-NEXT: sizeof=16, dsize=16, align=4
+// CHECK-NEXT: nvsize=16, nvalign=4
+
+// CHECK:       0 | class C
+// CHECK-NEXT:  0 |   class D (primary base)
+// CHECK-NEXT:  0 |     (D vftable pointer)
+// CHECK-NEXT:  8 |     double a
+// CHECK-NEXT: 16 |   class B (base)
+// CHECK-NEXT: 16 |     (B vftable pointer)
+// CHECK-NEXT: 20 |     int b_field
+// CHECK-NEXT: 24 |   (C vbtable pointer)
+// CHECK-NEXT: 32 |   double c1_field
+// CHECK-NEXT: 40 |   int c2_field
+// CHECK-NEXT: 48 |   double c3_field
+// CHECK-NEXT: 56 |   int c4_field
+// CHECK-NEXT: 64 |   class A (virtual base)
+// CHECK-NEXT: 64 |     class B (primary base)
+// CHECK-NEXT: 64 |       (B vftable pointer)
+// CHECK-NEXT: 68 |       int b_field
+// CHECK-NEXT: 72 |     int a_field
+// CHECK-NEXT: 76 |     char one
+
+// CHECK-NEXT: sizeof=80, dsize=80, align=8
+// CHECK-NEXT: nvsize=64, nvalign=8
+
+// CHECK: %class.A = type { %class.B, i32, i8 }
+
+// CHECK: %class.C = type { %class.D, %class.B, i32*, double, i32, double, i32, [4 x i8], %class.A }
+// CHECK: %class.C.base = type { %class.D, %class.B, i32*, double, i32, double, i32 }
+
+// CHECK:       0 | struct BaseStruct
+// CHECK-NEXT:  0 |   double v0
+// CHECK-NEXT:  8 |   float v1
+// CHECK-NEXT: 16 |   class C fg
+// CHECK-NEXT: 16 |     class D (primary base)
+// CHECK-NEXT: 16 |       (D vftable pointer)
+// CHECK-NEXT: 24 |       double a
+// CHECK-NEXT: 32 |     class B (base)
+// CHECK-NEXT: 32 |       (B vftable pointer)
+// CHECK-NEXT: 36 |       int b_field
+// CHECK-NEXT: 40 |     (C vbtable pointer)
+// CHECK-NEXT: 48 |     double c1_field
+// CHECK-NEXT: 56 |     int c2_field
+// CHECK-NEXT: 64 |     double c3_field
+// CHECK-NEXT: 72 |     int c4_field
+// CHECK-NEXT: 80 |     class A (virtual base)
+// CHECK-NEXT: 80 |       class B (primary base)
+// CHECK-NEXT: 80 |         (B vftable pointer)
+// CHECK-NEXT: 84 |         int b_field
+// CHECK-NEXT: 88 |       int a_field
+// CHECK-NEXT: 92 |       char one
+
+// CHECK-NEXT: sizeof=80, dsize=80, align=8
+// CHECK-NEXT: nvsize=64, nvalign=8
+
+// CHECK: sizeof=96, dsize=96, align=8
+// CHECK-NEXT: nvsize=96, nvalign=8
+
+// CHECK: %struct.BaseStruct = type { double, float, %class.C }
+
+// CHECK:       0 | struct DerivedStruct
+// CHECK-NEXT:  0 |   struct BaseStruct (base)
+// CHECK-NEXT:  0 |     double v0
+// CHECK-NEXT:  8 |     float v1
+// CHECK-NEXT: 16 |     class C fg
+// CHECK-NEXT: 16 |       class D (primary base)
+// CHECK-NEXT: 16 |         (D vftable pointer)
+// CHECK-NEXT: 24 |         double a
+// CHECK-NEXT: 32 |       class B (base)
+// CHECK-NEXT: 32 |         (B vftable pointer)
+// CHECK-NEXT: 36 |         int b_field
+// CHECK-NEXT: 40 |       (C vbtable pointer)
+// CHECK-NEXT: 48 |       double c1_field
+// CHECK-NEXT: 56 |       int c2_field
+// CHECK-NEXT: 64 |       double c3_field
+// CHECK-NEXT: 72 |       int c4_field
+// CHECK-NEXT: 80 |       class A (virtual base)
+// CHECK-NEXT: 80 |         class B (primary base)
+// CHECK-NEXT: 80 |           (B vftable pointer)
+// CHECK-NEXT: 84 |           int b_field
+// CHECK-NEXT: 88 |         int a_field
+// CHECK-NEXT: 92 |         char one
+// CHECK-NEXT: sizeof=80, dsize=80, align=8
+// CHECK-NEXT: nvsize=64, nvalign=8
+
+// CHECK: 96 |   int x
+// CHECK-NEXT: sizeof=104, dsize=104, align=8
+// CHECK-NEXT: nvsize=104, nvalign=8
+
+// CHECK: %struct.DerivedStruct = type { %struct.BaseStruct, i32 }
+
+// CHECK:      0 | struct G
+// CHECK-NEXT: 0 |   int g_field
+// CHECK-NEXT: sizeof=4, dsize=4, align=4
+// CHECK-NEXT: nvsize=4, nvalign=4
+
+// CHECK:       0 | struct H
+// CHECK-NEXT:  0 |   struct G (base)
+// CHECK-NEXT:  0 |     int g_field
+// CHECK-NEXT:  4 |   (H vbtable pointer)
+// CHECK-NEXT:  8 |   class D (virtual base)
+// CHECK-NEXT:  8 |     (D vftable pointer)
+// CHECK-NEXT: 16 |     double a
+// CHECK-NEXT: sizeof=24, dsize=24, align=8
+// CHECK-NEXT: nvsize=8, nvalign=4
+
+// CHECK: %struct.H = type { %struct.G, i32*, %class.D }
+
+// CHECK:       0 | struct I
+// CHECK-NEXT:  0 |   (I vftable pointer)
+// CHECK-NEXT:  8 |   (I vbtable pointer)
+// CHECK-NEXT: 16 |   double q
+// CHECK-NEXT: 24 |   class D (virtual base)
+// CHECK-NEXT: 24 |     (D vftable pointer)
+// CHECK-NEXT: 32 |     double a
+// CHECK-NEXT: sizeof=40, dsize=40, align=8
+// CHECK-NEXT: nvsize=24, nvalign=8
+
+// CHECK: %struct.I = type { i32 (...)**, [4 x i8], i32*, double, %class.D }
+// CHECK: %struct.I.base = type { i32 (...)**, [4 x i8], i32*, double }
+
+// CHECK:       0 | struct L
+// CHECK-NEXT:  0 |   int l
+// CHECK-NEXT: sizeof=4, dsize=4, align=4
+// CHECK-NEXT: nvsize=4, nvalign=4
+
+// CHECK:       0 | struct K
+// CHECK-NEXT:  0 |   int k
+// CHECK-NEXT: sizeof=4, dsize=4, align=4
+// CHECK-NEXT: nvsize=4, nvalign=4
+
+// CHECK:       0 | struct M
+// CHECK-NEXT:  0 |   (M vbtable pointer)
+// CHECK-NEXT:  4 |   int m
+// CHECK-NEXT:  8 |   struct K (virtual base)
+// CHECK-NEXT:  8 |     int k
+// CHECK-NEXT: sizeof=12, dsize=12, align=4
+
+//CHECK: %struct.M = type { i32*, i32, %struct.K }
+//CHECK: %struct.M.base = type { i32*, i32 }
+
+// CHECK:       0 | struct N
+// CHECK-NEXT:  4 |   struct L (base)
+// CHECK-NEXT:  4 |     int l
+// CHECK-NEXT:  8 |   struct M (base)
+// CHECK-NEXT:  8 |     (M vbtable pointer)
+// CHECK-NEXT: 12 |     int m
+// CHECK-NEXT:  0 |   (N vftable pointer)
+// CHECK-NEXT: 16 |   struct K (virtual base)
+// CHECK-NEXT: 16 |     int k
+// CHECK-NEXT: sizeof=20, dsize=20, align=4
+// CHECK-NEXT: nvsize=16, nvalign=4
+
+//CHECK: %struct.N = type { i32 (...)**, %struct.L, %struct.M.base, %struct.K }
+
+// FIXME: MSVC place struct H at offset 8.
+// CHECK:       0 | struct O
+// CHECK-NEXT:  4 |   struct H (base)
+// CHECK-NEXT:  4 |     struct G (base)
+// CHECK-NEXT:  4 |       int g_field
+// CHECK-NEXT:  8 |     (H vbtable pointer)
+// CHECK-NEXT: 12 |   struct G (base)
+// CHECK-NEXT: 12 |     int g_field
+// CHECK-NEXT:  0 |   (O vftable pointer)
+// CHECK-NEXT: 16 |   class D (virtual base)
+// CHECK-NEXT: 16 |     (D vftable pointer)
+// CHECK-NEXT: 24 |     double a
+// CHECK-NEXT: sizeof=32, dsize=32, align=8
+// CHECK-NEXT: nvsize=16, nvalign=4
+
+//CHECK: %struct.O = type { i32 (...)**, %struct.H.base, %struct.G, %class.D }
+//CHECK: %struct.O.base = type { i32 (...)**, %struct.H.base, %struct.G }
+
+// CHECK:       0 | struct P
+// CHECK-NEXT:  0 |   struct M (base)
+// CHECK-NEXT:  0 |     (M vbtable pointer)
+// CHECK-NEXT:  4 |     int m
+// CHECK-NEXT:  8 |   int p
+// CHECK-NEXT: 12 |   struct K (virtual base)
+// CHECK-NEXT: 12 |     int k
+// CHECK-NEXT: 16 |   struct L (virtual base)
+// CHECK-NEXT: 16 |     int l
+// CHECK-NEXT: sizeof=20, dsize=20, align=4
+// CHECK-NEXT: nvsize=12, nvalign=4
+
+//CHECK: %struct.P = type { %struct.M.base, i32, %struct.K, %struct.L }
+
+// CHECK:       0 | struct R (empty)
+// CHECK-NEXT:  sizeof=1, dsize=0, align=1
+// CHECK-NEXT:  nvsize=0, nvalign=1
+
+//CHECK: %struct.R = type { i8 }