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cp-gimplify.c (169690) cp-gimplify.c (260014)
1/* C++-specific tree lowering bits; see also c-gimplify.c and tree-gimple.c.
2
3 Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
4 Contributed by Jason Merrill <jason@redhat.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under

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183/* Build a generic representation of one of the C loop forms. COND is the
184 loop condition or NULL_TREE. BODY is the (possibly compound) statement
185 controlled by the loop. INCR is the increment expression of a for-loop,
186 or NULL_TREE. COND_IS_FIRST indicates whether the condition is
187 evaluated before the loop body as in while and for loops, or after the
188 loop body as in do-while loops. */
189
190static tree
1/* C++-specific tree lowering bits; see also c-gimplify.c and tree-gimple.c.
2
3 Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
4 Contributed by Jason Merrill <jason@redhat.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under

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183/* Build a generic representation of one of the C loop forms. COND is the
184 loop condition or NULL_TREE. BODY is the (possibly compound) statement
185 controlled by the loop. INCR is the increment expression of a for-loop,
186 or NULL_TREE. COND_IS_FIRST indicates whether the condition is
187 evaluated before the loop body as in while and for loops, or after the
188 loop body as in do-while loops. */
189
190static tree
191gimplify_cp_loop (tree cond, tree body, tree incr, bool cond_is_first)
191/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \
192gimplify_cp_loop (tree cond, tree body, tree incr, tree attrs,
193 bool cond_is_first, tree inner_foreach)
194/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \
192{
193 tree top, entry, exit, cont_block, break_block, stmt_list, t;
194 location_t stmt_locus;
195
196 stmt_locus = input_location;
197 stmt_list = NULL_TREE;
198 entry = NULL_TREE;
199

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218 have to gimplify the loop body NOW so that we can resolve
219 break/continue stmts, seems easier to just expand to gotos. */
220 top = build1 (LABEL_EXPR, void_type_node, NULL_TREE);
221
222 /* If we have an exit condition, then we build an IF with gotos either
223 out of the loop, or to the top of it. If there's no exit condition,
224 then we just build a jump back to the top. */
225 exit = build_and_jump (&LABEL_EXPR_LABEL (top));
195{
196 tree top, entry, exit, cont_block, break_block, stmt_list, t;
197 location_t stmt_locus;
198
199 stmt_locus = input_location;
200 stmt_list = NULL_TREE;
201 entry = NULL_TREE;
202

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221 have to gimplify the loop body NOW so that we can resolve
222 break/continue stmts, seems easier to just expand to gotos. */
223 top = build1 (LABEL_EXPR, void_type_node, NULL_TREE);
224
225 /* If we have an exit condition, then we build an IF with gotos either
226 out of the loop, or to the top of it. If there's no exit condition,
227 then we just build a jump back to the top. */
228 exit = build_and_jump (&LABEL_EXPR_LABEL (top));
229/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \
230
231 /* Add the attributes to the 'top' label. */
232 decl_attributes (&LABEL_EXPR_LABEL (top), attrs, 0);
233
234/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \
226 if (cond && !integer_nonzerop (cond))
227 {
228 t = build_bc_goto (bc_break);
229 exit = fold_build3 (COND_EXPR, void_type_node, cond, exit, t);
230 gimplify_stmt (&exit);
231
232 if (cond_is_first)
233 {

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265static void
266gimplify_for_stmt (tree *stmt_p, tree *pre_p)
267{
268 tree stmt = *stmt_p;
269
270 if (FOR_INIT_STMT (stmt))
271 gimplify_and_add (FOR_INIT_STMT (stmt), pre_p);
272
235 if (cond && !integer_nonzerop (cond))
236 {
237 t = build_bc_goto (bc_break);
238 exit = fold_build3 (COND_EXPR, void_type_node, cond, exit, t);
239 gimplify_stmt (&exit);
240
241 if (cond_is_first)
242 {

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274static void
275gimplify_for_stmt (tree *stmt_p, tree *pre_p)
276{
277 tree stmt = *stmt_p;
278
279 if (FOR_INIT_STMT (stmt))
280 gimplify_and_add (FOR_INIT_STMT (stmt), pre_p);
281
282/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \
273 *stmt_p = gimplify_cp_loop (FOR_COND (stmt), FOR_BODY (stmt),
283 *stmt_p = gimplify_cp_loop (FOR_COND (stmt), FOR_BODY (stmt),
274 FOR_EXPR (stmt), 1);
284 FOR_EXPR (stmt), FOR_ATTRIBUTES (stmt), 1,
285 NULL_TREE);
286/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \
275}
276
277/* Gimplify a WHILE_STMT node. */
278
279static void
280gimplify_while_stmt (tree *stmt_p)
281{
282 tree stmt = *stmt_p;
287}
288
289/* Gimplify a WHILE_STMT node. */
290
291static void
292gimplify_while_stmt (tree *stmt_p)
293{
294 tree stmt = *stmt_p;
295/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \
283 *stmt_p = gimplify_cp_loop (WHILE_COND (stmt), WHILE_BODY (stmt),
296 *stmt_p = gimplify_cp_loop (WHILE_COND (stmt), WHILE_BODY (stmt),
284 NULL_TREE, 1);
297 NULL_TREE, WHILE_ATTRIBUTES (stmt), 1,
298 NULL_TREE);
299/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \
285}
286
287/* Gimplify a DO_STMT node. */
288
289static void
290gimplify_do_stmt (tree *stmt_p)
291{
292 tree stmt = *stmt_p;
300}
301
302/* Gimplify a DO_STMT node. */
303
304static void
305gimplify_do_stmt (tree *stmt_p)
306{
307 tree stmt = *stmt_p;
308/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \
293 *stmt_p = gimplify_cp_loop (DO_COND (stmt), DO_BODY (stmt),
309 *stmt_p = gimplify_cp_loop (DO_COND (stmt), DO_BODY (stmt),
294 NULL_TREE, 0);
310 NULL_TREE, DO_ATTRIBUTES (stmt), 0,
311 DO_FOREACH (stmt));
312/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \
295}
296
297/* Genericize a SWITCH_STMT by turning it into a SWITCH_EXPR. */
298
299static void
300gimplify_switch_stmt (tree *stmt_p)
301{
302 tree stmt = *stmt_p;

--- 632 unchanged lines hidden --- 		313}
314
315/* Genericize a SWITCH_STMT by turning it into a SWITCH_EXPR. */
316
317static void
318gimplify_switch_stmt (tree *stmt_p)
319{
320 tree stmt = *stmt_p;

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