1 // RUN: %clang_cc1 -emit-llvm %s -o /dev/null 2 3 /* GCC Used to generate code that contained a branch to the entry node of 4 * the do_merge function. This is illegal LLVM code. To fix this, GCC now 5 * inserts an entry node regardless of whether or not it has to insert allocas. 6 */ 7 8 struct edge_rec 9 { 10 struct VERTEX *v; 11 struct edge_rec *next; 12 int wasseen; 13 int more_data; 14 }; 15 16 typedef struct edge_rec *QUAD_EDGE; 17 18 typedef struct { 19 QUAD_EDGE left, right; 20 } EDGE_PAIR; 21 22 struct EDGE_STACK { 23 int ptr; 24 QUAD_EDGE *elts; 25 int stack_size; 26 }; 27 28 int do_merge(QUAD_EDGE ldo, QUAD_EDGE rdo) { 29 int lvalid; 30 QUAD_EDGE basel,rcand; 31 while (1) { 32 if (!lvalid) { 33 return (int)basel->next; 34 } 35 } 36 } 37 38
