diff options
-rw-r--r-- | test/CFrontend/2002-02-14-EntryNodePreds.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/CFrontend/2002-02-14-EntryNodePreds.c b/test/CFrontend/2002-02-14-EntryNodePreds.c new file mode 100644 index 0000000..8b6f4e0 --- /dev/null +++ b/test/CFrontend/2002-02-14-EntryNodePreds.c @@ -0,0 +1,35 @@ +/* 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; + } + } +} + |