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/* RUN: %clang_cc1 %s -emit-llvm -triple x86_64-apple-darwin -o - | FileCheck %s
/* RUN: %clang_cc1 %s -emit-llvm -triple x86_64-apple-darwin -o - -fexperimental-new-constant-interpreter | FileCheck %s
The FE must generate padding here both at the end of each PyG_Head and
between array elements. Reduced from Python. */
typedef union _gc_head {
struct {
union _gc_head *gc_next;
union _gc_head *gc_prev;
long gc_refs;
} gc;
int dummy __attribute__((aligned(16)));
} PyGC_Head;
struct gc_generation {
PyGC_Head head;
int threshold;
int count;
};
#define GEN_HEAD(n) (&generations[n].head)
// The idea is that there are 6 zeroinitializers in this structure initializer to cover
// the padding between elements.
// CHECK: @generations ={{.*}} global [3 x %struct.gc_generation] [%struct.gc_generation { %union._gc_head { %struct.anon { ptr @generations, ptr @generations, i64 0 }, [8 x i8] zeroinitializer }, i32 700, i32 0, [8 x i8] zeroinitializer }, %struct.gc_generation { %union._gc_head { %struct.anon { ptr getelementptr (i8, ptr @generations, i64 48), ptr getelementptr (i8, ptr @generations, i64 48), i64 0 }, [8 x i8] zeroinitializer }, i32 10, i32 0, [8 x i8] zeroinitializer }, %struct.gc_generation { %union._gc_head { %struct.anon { ptr getelementptr (i8, ptr @generations, i64 96), ptr getelementptr (i8, ptr @generations, i64 96), i64 0 }, [8 x i8] zeroinitializer }, i32 10, i32 0, [8 x i8] zeroinitializer }]
/* linked lists of container objects */
struct gc_generation generations[3] = {
/* PyGC_Head, threshold, count */
{{{GEN_HEAD(0), GEN_HEAD(0), 0}}, 700, 0},
{{{GEN_HEAD(1), GEN_HEAD(1), 0}}, 10, 0},
{{{GEN_HEAD(2), GEN_HEAD(2), 0}}, 10, 0},
};
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