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-rw-r--r--gcc/tree-ssa-loop-im.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c
index ba36343..8740030 100644
--- a/gcc/tree-ssa-loop-im.c
+++ b/gcc/tree-ssa-loop-im.c
@@ -40,6 +40,7 @@ along with GCC; see the file COPYING3. If not see
#include "hashtab.h"
#include "tree-affine.h"
#include "pointer-set.h"
+#include "tree-ssa-propagate.h"
/* TODO: Support for predicated code motion. I.e.
@@ -900,6 +901,14 @@ determine_invariantness_stmt (struct dom_walk_data *dw_data ATTRIBUTE_UNUSED,
maybe_never = true;
outermost = NULL;
}
+ /* Make sure to note always_executed_in for stores to make
+ store-motion work. */
+ else if (stmt_makes_single_store (stmt))
+ {
+ stmt_ann (stmt)->common.aux
+ = xcalloc (1, sizeof (struct lim_aux_data));
+ LIM_DATA (stmt)->always_executed_in = outermost;
+ }
continue;
}