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-rw-r--r--gcc/tree-data-ref.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c
index 19cceb8..559a8e4 100644
--- a/gcc/tree-data-ref.c
+++ b/gcc/tree-data-ref.c
@@ -957,15 +957,14 @@ access_fn_component_p (tree op)
}
/* Determines the base object and the list of indices of memory reference
- DR, analyzed in LOOP and instantiated in loop nest NEST. */
+ DR, analyzed in LOOP and instantiated before NEST. */
static void
-dr_analyze_indices (struct data_reference *dr, loop_p nest, loop_p loop)
+dr_analyze_indices (struct data_reference *dr, edge nest, loop_p loop)
{
vec<tree> access_fns = vNULL;
tree ref, op;
tree base, off, access_fn;
- basic_block before_loop;
/* If analyzing a basic-block there are no indices to analyze
and thus no access functions. */
@@ -977,7 +976,6 @@ dr_analyze_indices (struct data_reference *dr, loop_p nest, loop_p loop)
}
ref = DR_REF (dr);
- before_loop = block_before_loop (nest);
/* REALPART_EXPR and IMAGPART_EXPR can be handled like accesses
into a two element array with a constant index. The base is
@@ -1002,7 +1000,7 @@ dr_analyze_indices (struct data_reference *dr, loop_p nest, loop_p loop)
{
op = TREE_OPERAND (ref, 1);
access_fn = analyze_scalar_evolution (loop, op);
- access_fn = instantiate_scev (before_loop, loop, access_fn);
+ access_fn = instantiate_scev (nest, loop, access_fn);
access_fns.safe_push (access_fn);
}
else if (TREE_CODE (ref) == COMPONENT_REF
@@ -1034,7 +1032,7 @@ dr_analyze_indices (struct data_reference *dr, loop_p nest, loop_p loop)
{
op = TREE_OPERAND (ref, 0);
access_fn = analyze_scalar_evolution (loop, op);
- access_fn = instantiate_scev (before_loop, loop, access_fn);
+ access_fn = instantiate_scev (nest, loop, access_fn);
if (TREE_CODE (access_fn) == POLYNOMIAL_CHREC)
{
tree orig_type;
@@ -1139,7 +1137,7 @@ free_data_ref (data_reference_p dr)
in which the data reference should be analyzed. */
struct data_reference *
-create_data_ref (loop_p nest, loop_p loop, tree memref, gimple *stmt,
+create_data_ref (edge nest, loop_p loop, tree memref, gimple *stmt,
bool is_read, bool is_conditional_in_stmt)
{
struct data_reference *dr;
@@ -4970,7 +4968,8 @@ find_data_references_in_stmt (struct loop *nest, gimple *stmt,
FOR_EACH_VEC_ELT (references, i, ref)
{
- dr = create_data_ref (nest, loop_containing_stmt (stmt), ref->ref,
+ dr = create_data_ref (nest ? loop_preheader_edge (nest) : NULL,
+ loop_containing_stmt (stmt), ref->ref,
stmt, ref->is_read, ref->is_conditional_in_stmt);
gcc_assert (dr != NULL);
datarefs->safe_push (dr);
@@ -4986,7 +4985,7 @@ find_data_references_in_stmt (struct loop *nest, gimple *stmt,
should be analyzed. */
bool
-graphite_find_data_references_in_stmt (loop_p nest, loop_p loop, gimple *stmt,
+graphite_find_data_references_in_stmt (edge nest, loop_p loop, gimple *stmt,
vec<data_reference_p> *datarefs)
{
unsigned i;