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| author | Jan Hubicka <jh@suse.cz> | 2010-09-04 18:02:38 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2010-09-04 16:02:38 +0000 |
| commit | 5f7ae6b656d4468b1f2ebf3f773e494c7d147624 (patch) | |
| tree | 34c358bbc15941d02b800987838c29b526be48e7 /gcc/testsuite/gcc.dg/tree-ssa/foldconst-1.c | |
| parent | 8b2b54f9d6dc34cafebf59ecb154ac52a354ecc1 (diff) | |
| download | gcc-5f7ae6b656d4468b1f2ebf3f773e494c7d147624.zip gcc-5f7ae6b656d4468b1f2ebf3f773e494c7d147624.tar.gz gcc-5f7ae6b656d4468b1f2ebf3f773e494c7d147624.tar.bz2 | |
foldconst-1.c: New testcase.
* gcc.dg/tree-ssa/foldconst-1.c: New testcase.
* tree-switch-conversion.c (build_one_array): Set constructor to be
static.
* varpool.c (varpool_finalize_decl): Compute const_value_known.
From-SVN: r163860
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/foldconst-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/foldconst-1.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/foldconst-1.c b/gcc/testsuite/gcc.dg/tree-ssa/foldconst-1.c new file mode 100644 index 0000000..10414a2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/foldconst-1.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ +void bar (unsigned int); + +void +foo (void) +{ + char buf[1] = { 3 }; + const char *p = buf; + const char **q = &p; + unsigned int ch; + switch (**q) + { + case 1: ch = 5; break; + case 2: ch = 4; break; + case 3: ch = 3; break; + case 4: ch = 2; break; + case 5: ch = 1; break; + default: ch = 0; break; + } + bar (ch); +} +/* The switch should be switch converted and later constant propagated. */ +/* { dg-final { scan-tree-dump-not "CSWTCH" "optimized"} } */ +/* { dg-final { scan-tree-dump-not "switch" "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |