// RUN: %clang_cc1 -triple x86_64-pc-win32 -emit-llvm -O2 -o - %s | FileCheck %s

// Under Windows 64, int and long are 32-bits.  Make sure pointer math doesn't
// cause any sign extensions.

// CHECK:      [[P:%.*]] = add i64 %param, -8
// CHECK-NEXT: [[Q:%.*]] = inttoptr i64 [[P]] to [[R:%.*\*]]
// CHECK-NEXT: {{%.*}} = getelementptr inbounds [[R]] [[Q]], i64 0, i32 0

#define CR(Record, TYPE, Field) \
  ((TYPE *) ((unsigned char *) (Record) - (unsigned char *) &(((TYPE *) 0)->Field)))

typedef struct _LIST_ENTRY {
  struct _LIST_ENTRY  *ForwardLink;
  struct _LIST_ENTRY  *BackLink;
} LIST_ENTRY;

typedef struct {
  unsigned long long    Signature;
  LIST_ENTRY            Link;
} MEMORY_MAP;

int test(unsigned long long param)
{
  LIST_ENTRY      *Link;
  MEMORY_MAP      *Entry;

  Link = (LIST_ENTRY *) param;

  Entry = CR (Link, MEMORY_MAP, Link);
  return (int) Entry->Signature;
}

// RUN: %clang_cc1 -triple x86_64-pc-win32 -emit-llvm -O2 -o - %s | FileCheck %s

// Under Windows 64, int and long are 32-bits.  Make sure pointer math doesn't
// cause any sign extensions.

// CHECK:      [[P:%.*]] = add i64 %param, -8
// CHECK-NEXT: [[Q:%.*]] = inttoptr i64 [[P]] to [[R:%.*]]*
// CHECK-NEXT: {{%.*}} = getelementptr inbounds [[R]]* [[Q]], i64 0, i32 0

#define CR(Record, TYPE, Field) \
  ((TYPE *) ((unsigned char *) (Record) - (unsigned char *) &(((TYPE *) 0)->Field)))

typedef struct _LIST_ENTRY {
  struct _LIST_ENTRY  *ForwardLink;
  struct _LIST_ENTRY  *BackLink;
} LIST_ENTRY;

typedef struct {
  unsigned long long    Signature;
  LIST_ENTRY            Link;
} MEMORY_MAP;

int test(unsigned long long param)
{
  LIST_ENTRY      *Link;
  MEMORY_MAP      *Entry;

  Link = (LIST_ENTRY *) param;

  Entry = CR (Link, MEMORY_MAP, Link);
  return (int) Entry->Signature;
}

Adjust test case to be compatible with future changes to explicitly pass the type to getelementptr
Adjust test case to be compatible with future changes to explicitly pass the type to getelementptr

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@229196 91177308-0d34-0410-b5e6-96231b3b80d8
