diff options
Diffstat (limited to 'gcc/tree-into-ssa.c')
| -rw-r--r-- | gcc/tree-into-ssa.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c index 3086f82..5486d5c 100644 --- a/gcc/tree-into-ssa.c +++ b/gcc/tree-into-ssa.c @@ -1391,7 +1391,7 @@ class rewrite_dom_walker : public dom_walker public: rewrite_dom_walker (cdi_direction direction) : dom_walker (direction) {} - virtual void before_dom_children (basic_block); + virtual edge before_dom_children (basic_block); virtual void after_dom_children (basic_block); }; @@ -1400,7 +1400,7 @@ public: (BLOCK_DEFS). Register new definitions for every PHI node in the block. */ -void +edge rewrite_dom_walker::before_dom_children (basic_block bb) { if (dump_file && (dump_flags & TDF_DETAILS)) @@ -1432,6 +1432,8 @@ rewrite_dom_walker::before_dom_children (basic_block bb) reaching definition for the variable and the edge through which that definition is reaching the PHI node. */ rewrite_add_phi_arguments (bb); + + return NULL; } @@ -2055,7 +2057,7 @@ class rewrite_update_dom_walker : public dom_walker public: rewrite_update_dom_walker (cdi_direction direction) : dom_walker (direction) {} - virtual void before_dom_children (basic_block); + virtual edge before_dom_children (basic_block); virtual void after_dom_children (basic_block); }; @@ -2064,7 +2066,7 @@ public: for new SSA names produced in this block (BLOCK_DEFS). Register new definitions for every PHI node in the block. */ -void +edge rewrite_update_dom_walker::before_dom_children (basic_block bb) { bool is_abnormal_phi; @@ -2077,7 +2079,7 @@ rewrite_update_dom_walker::before_dom_children (basic_block bb) block_defs_stack.safe_push (NULL_TREE); if (!bitmap_bit_p (blocks_to_update, bb->index)) - return; + return NULL; /* Mark the LHS if any of the arguments flows through an abnormal edge. */ @@ -2133,6 +2135,8 @@ rewrite_update_dom_walker::before_dom_children (basic_block bb) /* Step 3. Update PHI nodes. */ rewrite_update_phi_arguments (bb); + + return NULL; } /* Called after visiting block BB. Unwind BLOCK_DEFS_STACK to restore @@ -2210,7 +2214,7 @@ public: mark_def_dom_walker (cdi_direction direction); ~mark_def_dom_walker (); - virtual void before_dom_children (basic_block); + virtual edge before_dom_children (basic_block); private: /* Notice that this bitmap is indexed using variable UIDs, so it must be @@ -2232,7 +2236,7 @@ mark_def_dom_walker::~mark_def_dom_walker () /* Block processing routine for mark_def_sites. Clear the KILLS bitmap at the start of each block, and call mark_def_sites for each statement. */ -void +edge mark_def_dom_walker::before_dom_children (basic_block bb) { gimple_stmt_iterator gsi; @@ -2240,6 +2244,7 @@ mark_def_dom_walker::before_dom_children (basic_block bb) bitmap_clear (m_kills); for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) mark_def_sites (bb, gsi_stmt (gsi), m_kills); + return NULL; } /* Initialize internal data needed during renaming. */ |