diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-pre.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3fce28fd668..0bcae9b1fce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-03-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/52459 + * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit + PHI insertion for calls. + 2012-03-21 Steven Bosscher <steven@gcc.gnu.org> * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg, diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index e5ec931b96f..76df3c623c5 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -3242,6 +3242,10 @@ inhibit_phi_insertion (basic_block bb, pre_expr expr) { switch (op->opcode) { + case CALL_EXPR: + /* Calls are not a problem. */ + return false; + case ARRAY_REF: case ARRAY_RANGE_REF: if (TREE_CODE (op->op0) != SSA_NAME) |