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Diffstat (limited to 'gcc/testsuite/gcc.dg/plugin/selfassign.c')
-rw-r--r--gcc/testsuite/gcc.dg/plugin/selfassign.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/gcc/testsuite/gcc.dg/plugin/selfassign.c b/gcc/testsuite/gcc.dg/plugin/selfassign.c
index df42abd27df..84d2801d202 100644
--- a/gcc/testsuite/gcc.dg/plugin/selfassign.c
+++ b/gcc/testsuite/gcc.dg/plugin/selfassign.c
@@ -14,6 +14,7 @@
#include "tree-pass.h"
#include "intl.h"
#include "plugin-version.h"
+#include "diagnostic.h"
int plugin_is_GPL_compatible;
@@ -52,9 +53,7 @@ get_real_ref_rhs (tree expr)
/* We are only interested in an assignment with a single
rhs operand because if it is not, the original assignment
will not possibly be a self-assignment. */
- if (is_gimple_assign (def_stmt)
- && (get_gimple_rhs_class (gimple_assign_rhs_code (def_stmt))
- == GIMPLE_SINGLE_RHS))
+ if (gimple_assign_single_p (def_stmt))
return get_real_ref_rhs (gimple_assign_rhs1 (def_stmt));
else
return NULL_TREE;
@@ -66,7 +65,7 @@ get_real_ref_rhs (tree expr)
case PARM_DECL:
case FIELD_DECL:
case COMPONENT_REF:
- case INDIRECT_REF:
+ case MEM_REF:
case ARRAY_REF:
return expr;
default:
@@ -116,17 +115,18 @@ get_non_ssa_expr (tree expr)
else
return expr;
}
- case INDIRECT_REF:
+ case MEM_REF:
{
tree orig_base = TREE_OPERAND (expr, 0);
- tree base = get_non_ssa_expr (orig_base);
- if (!base)
- return NULL_TREE;
- /* If BASE is converted, build a new indirect reference tree. */
- if (base != orig_base)
- return build1 (INDIRECT_REF, TREE_TYPE (TREE_TYPE (base)), base);
- else
- return expr;
+ if (TREE_CODE (orig_base) == SSA_NAME)
+ {
+ tree base = get_non_ssa_expr (orig_base);
+ if (!base)
+ return NULL_TREE;
+ return fold_build2 (MEM_REF, TREE_TYPE (expr),
+ base, TREE_OPERAND (expr, 1));
+ }
+ return expr;
}
case ARRAY_REF:
{
@@ -153,9 +153,7 @@ get_non_ssa_expr (tree expr)
&& !gimple_nop_p (SSA_NAME_DEF_STMT (expr)))
{
gimple def_stmt = SSA_NAME_DEF_STMT (expr);
- if (is_gimple_assign (def_stmt)
- && (get_gimple_rhs_class (gimple_assign_rhs_code (def_stmt))
- == GIMPLE_SINGLE_RHS))
+ if (gimple_assign_single_p (def_stmt))
vdecl = gimple_assign_rhs1 (def_stmt);
}
return get_non_ssa_expr (vdecl);
@@ -201,9 +199,7 @@ warn_self_assign (gimple stmt)
tree rhs, lhs;
/* Check assigment statement. */
- if (is_gimple_assign (stmt)
- && (get_gimple_rhs_class (gimple_assign_rhs_code (stmt))
- == GIMPLE_SINGLE_RHS))
+ if (gimple_assign_single_p (stmt))
{
rhs = get_real_ref_rhs (gimple_assign_rhs1 (stmt));
if (!rhs)