Re: Sparse-LLVM issue compiling NULL pointers

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Hi Luc,

Next problem:

The following fails.

typedef unsigned long long size_t;
struct buffer_type_st {
 struct buffer_type_st    *next_buffer;
 char           *buffer;
};
typedef struct buffer_type_st buffer_type_t;
struct link_st {
 struct link_st           *next;
};
typedef struct link_st link_t;
struct allocator_st {
 buffer_type_t    *buffer_list;
 link_t           *free_list;
 char           *next_avail;
 char           *last;
 size_t          size;
 size_t          n;
};
typedef struct allocator_st allocator;
extern void *
alloc_node(allocator * a);
extern void
grow_allocator(allocator * a);
void *
alloc_node(allocator * a)
{
 link_t           *tmp;
 tmp = a->free_list;
 return (void *) tmp;
}


I get LLVM assertion failure for following instruction:

insn cast.64     %r4 <- (64) %r2

Assertion failed: isa<X>(Val) && "cast<Ty>() argument of incompatible
type!", file C:\d\llvm-3.9.0.src\include\llvm/Support/Casting.h, line
237

I think this is because the linearize is outputting an integer cast
rather than pointer cast so LLVM is not happy.

Regards
Dibyendu

p.s. should I start a new thread for each separate issue?
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