diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-12-31 23:53:57 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-12-31 23:53:57 +0000 |
| commit | 3064bb7bdf4b3e57842207a7cfbb72d686ace48a (patch) | |
| tree | eae0d52d578dbcd38c56a08992fb9bb1ddb7b2ac /gcc/testsuite/gcc.dg/pr51683.c | |
| parent | 8081d3a635c46337db187a9f6971e707986bf1a8 (diff) | |
| download | gcc-3064bb7bdf4b3e57842207a7cfbb72d686ace48a.tar.gz | |
PR tree-optimization/51683
* tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
calls with side-effects.
* tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
* gcc.dg/pr51683.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182761 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr51683.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51683.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr51683.c b/gcc/testsuite/gcc.dg/pr51683.c new file mode 100644 index 00000000000..f5a4a8be485 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51683.c @@ -0,0 +1,18 @@ +/* PR tree-optimization/51683 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +static inline void * +bar (void *p, void *q, int r) +{ + return __builtin_memcpy (p, q, r); +} + +void * +foo (void *p) +{ + return bar ((void *) 0x12345000, p, 256); +} + +/* { dg-final { scan-tree-dump "memcpy" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |