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| author | Steven Bosscher <stevenb@suse.de> | 2004-09-15 21:47:45 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2004-09-15 21:47:45 +0000 |
| commit | c7f902196193ba3fe4540b580cbc613d53c05a13 (patch) | |
| tree | 76635c73ab7b462c47b43a88cb42c7f5a0734f6f /gcc/tree-ssa-dom.c | |
| parent | 2f021b673a02a6648a45215ca0472d8ba6cd393b (diff) | |
| download | gcc-c7f902196193ba3fe4540b580cbc613d53c05a13.zip gcc-c7f902196193ba3fe4540b580cbc613d53c05a13.tar.gz gcc-c7f902196193ba3fe4540b580cbc613d53c05a13.tar.bz2 | |
Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
* Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
* tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
after propagating into an ADDR_EXPR.
From-SVN: r87566
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 50b5cc0..43809e1 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -40,6 +40,7 @@ Boston, MA 02111-1307, USA. */ #include "domwalk.h" #include "real.h" #include "tree-pass.h" +#include "tree-ssa-propagate.h" #include "langhooks.h" /* This file implements optimizations on the dominator tree. */ @@ -2646,6 +2647,7 @@ cprop_into_stmt (tree stmt, varray_type const_and_copies) bool may_have_exposed_new_symbols = false; use_operand_p op_p; ssa_op_iter iter; + tree rhs; FOR_EACH_SSA_USE_OPERAND (op_p, stmt, iter, SSA_OP_ALL_USES) { @@ -2654,6 +2656,13 @@ cprop_into_stmt (tree stmt, varray_type const_and_copies) |= cprop_operand (stmt, op_p, const_and_copies); } + if (may_have_exposed_new_symbols) + { + rhs = get_rhs (stmt); + if (rhs && TREE_CODE (rhs) == ADDR_EXPR) + recompute_tree_invarant_for_addr_expr (rhs); + } + return may_have_exposed_new_symbols; } |