37 lines
715 B
C
37 lines
715 B
C
// RUN: %clang_cc1 -emit-llvm %s -o /dev/null
|
|
|
|
/* GCC Used to generate code that contained a branch to the entry node of
|
|
* the do_merge function. This is illegal LLVM code. To fix this, GCC now
|
|
* inserts an entry node regardless of whether or not it has to insert allocas.
|
|
*/
|
|
|
|
struct edge_rec
|
|
{
|
|
struct VERTEX *v;
|
|
struct edge_rec *next;
|
|
int wasseen;
|
|
int more_data;
|
|
};
|
|
|
|
typedef struct edge_rec *QUAD_EDGE;
|
|
|
|
typedef struct {
|
|
QUAD_EDGE left, right;
|
|
} EDGE_PAIR;
|
|
|
|
struct EDGE_STACK {
|
|
int ptr;
|
|
QUAD_EDGE *elts;
|
|
int stack_size;
|
|
};
|
|
|
|
int do_merge(QUAD_EDGE ldo, QUAD_EDGE rdo) {
|
|
int lvalid;
|
|
QUAD_EDGE basel,rcand;
|
|
while (1) {
|
|
if (!lvalid) {
|
|
return (int)basel->next;
|
|
}
|
|
}
|
|
}
|
|
|