diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-09 10:06:54 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-09 10:06:54 +0000 |
| commit | 8ef4f12460a6eea74ed3f8bc49276e46f081b039 (patch) | |
| tree | a02c315a092276000b54f52506607d0102e2325c /gcc | |
| parent | 2a8d660dd8949db0a6aeaf121cbe5b31a05e1eea (diff) | |
| download | gcc-8ef4f12460a6eea74ed3f8bc49276e46f081b039.tar.gz | |
2008-09-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/37433
* tree-ssa-ccp.c (ccp_fold): Properly guard folding of
function calls.
* gcc.c-torture/compile/pr37433.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140143 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr37433.c | 11 | ||||
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 1 |
4 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7848ff20a4..970450b510f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2008-09-09 Richard Guenther <rguenther@suse.de> + PR tree-optimization/37433 + * tree-ssa-ccp.c (ccp_fold): Properly guard folding of + function calls. + +2008-09-09 Richard Guenther <rguenther@suse.de> + PR tree-optimization/37387 * tree-ssa-ifcombine.c (ifcombine_iforif): Convert the name and bits to a common type. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c83bb25f402..1378257cee9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2008-09-09 Richard Guenther <rguenther@suse.de> + PR tree-optimization/37433 + * gcc.c-torture/compile/pr37433.c: New testcase. + +2008-09-09 Richard Guenther <rguenther@suse.de> + PR tree-optimization/37387 * gcc.c-torture/compile/pr37387.c: New testcase. diff --git a/gcc/testsuite/gcc.c-torture/compile/pr37433.c b/gcc/testsuite/gcc.c-torture/compile/pr37433.c new file mode 100644 index 00000000000..0ba1179886c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr37433.c @@ -0,0 +1,11 @@ +int regex_subst(void) +{ + const void *subst = ""; + return (*(int (*)(int))subst) (0); +} + +int foobar (void) +{ + int x; + return (*(int (*)(void))&x) (); +} diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 8f700c47be2..22626a53840 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -1047,6 +1047,7 @@ ccp_fold (gimple stmt) fn = val->value; } if (TREE_CODE (fn) == ADDR_EXPR + && TREE_CODE (TREE_OPERAND (fn, 0)) == FUNCTION_DECL && DECL_BUILT_IN (TREE_OPERAND (fn, 0))) { tree *args = XALLOCAVEC (tree, gimple_call_num_args (stmt)); |