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| author | Jan Hubicka <jh@suse.cz> | 2010-09-04 19:36:49 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2010-09-04 17:36:49 +0000 |
| commit | 17f39a395648213a0c6014e84ff34f3ff565a10b (patch) | |
| tree | 57771775ce3d663de352f64104a3e0370a61a56f /gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c | |
| parent | 5f7ae6b656d4468b1f2ebf3f773e494c7d147624 (diff) | |
| download | gcc-17f39a395648213a0c6014e84ff34f3ff565a10b.zip gcc-17f39a395648213a0c6014e84ff34f3ff565a10b.tar.gz gcc-17f39a395648213a0c6014e84ff34f3ff565a10b.tar.bz2 | |
foldconst-2.c: New testcase.
* gcc.dg/tree-ssa/foldconst-2.c: New testcase.
* gcc.dg/tree-ssa/foldconst-3.c: New testcase.
* gimple-fold.c (maybe_fold_reference): Use fold_const_aggregate_ref.
* tree-ssa-ccp.c (fold_const_aggregate_ref): Use
fold_read_from_constant_string.
* gimple.h (canonicalize_constructor_val): Declare.
* gimple-fold.c (canonicalize_constructor_val): New function.
(get_symbol_constant_value):Use it.
* tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
From-SVN: r163861
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c b/gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c new file mode 100644 index 0000000..8fdad90 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/foldconst-2.c @@ -0,0 +1,58 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ +typedef union tree_node *tree; +enum tree_code +{ + OFFSET_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, POINTER_TYPE, FIXED_POINT_TYPE, +}; +struct tree_base +{ + unsigned public_flag:1; +}; +struct tree_decl_with_vis +{ + unsigned comdat_flag:1; +}; +union tree_node +{ + struct tree_base base; + struct tree_decl_with_vis decl_with_vis; +}; +enum tree_index +{ + TI_LONG_DOUBLE_PTR_TYPE, TI_INTEGER_PTR_TYPE, TI_VOID_TYPE, TI_PTR_TYPE, + TI_VA_LIST_FPR_COUNTER_FIELD, TI_BOOLEAN_TYPE, TI_FILEPTR_TYPE, + TI_CURRENT_TARGET_PRAGMA, TI_CURRENT_OPTIMIZE_PRAGMA, TI_MAX +}; +extern tree global_trees[TI_MAX]; +emit_support_tinfos (void) +{ + static tree *const fundamentals[] = { + &global_trees[TI_VOID_TYPE], &global_trees[TI_BOOLEAN_TYPE], + }; + int ix; + for (ix = 0; fundamentals[ix]; ix++) + { + { + tree tinfo; + { + ((void) (!(((tinfo)->base.public_flag) && !(__extension__ ( + { + __typeof + (tinfo) + __t + = + (tinfo); + __t;} + )->decl_with_vis. + comdat_flag)) ? + fancy_abort ("../../gcc/cp/rtti.c", 1529, + __FUNCTION__), 0 : 0)); + } + } + } +} +/* We should copy loop header to fundamentals[0] and then fold it way into + known value. */ +/* { dg-final { scan-tree-dump-not "fundamentals.0" "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |