llvm-6502/test/FrontendC/2008-08-07-AlignPadding1.c
Dale Johannesen ea98fe2cd2 Testcases for 54503. One derived from PR 2533, the
other from Python.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54505 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-08 03:37:11 +00:00

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C

/* RUN: %llvmgcc %s -m64 -S -o - -emit-llvm -O0 | grep zeroinitializer | count 6
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)
/* linked lists of container objects */
static 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},
};