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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 2000-11-07 22:13:58 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2000-11-07 22:13:58 +0000 |
| commit | a7c683a887b9e2eaca0028348e7bb5957aed36e2 (patch) | |
| tree | fc95b4e700de8b8e7ab66106fc43231243cd8be0 /gcc | |
| parent | 8735550f7fa5757fab10fc858aa4be534b048ad6 (diff) | |
| download | gcc-a7c683a887b9e2eaca0028348e7bb5957aed36e2.zip gcc-a7c683a887b9e2eaca0028348e7bb5957aed36e2.tar.gz gcc-a7c683a887b9e2eaca0028348e7bb5957aed36e2.tar.bz2 | |
* gcc.c-torture/execute/string-opt-1.c: New test.
From-SVN: r37301
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/string-opt-1.c | 38 |
2 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8b2a8725..540d2b9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c-torture/execute/string-opt-1.c: New test. + 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com> * gcc.c-torture/execute/va-arg-15.x: New file. Fails on diff --git a/gcc/testsuite/gcc.c-torture/execute/string-opt-1.c b/gcc/testsuite/gcc.c-torture/execute/string-opt-1.c new file mode 100644 index 0000000..e78f328 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/string-opt-1.c @@ -0,0 +1,38 @@ +/* Copyright (C) 2000 Free Software Foundation. + + Ensure all expected transformations of builtin strstr occur and + perform correctly. + + Written by Kaveh R. Ghazi, 11/6/2000. */ + +extern void abort(void); +extern char *strstr (const char *, const char *); + +int main() +{ + const char *const foo = "hello world"; + + if (strstr (foo, "") != foo) + abort(); + if (strstr (foo + 4, "") != foo + 4) + abort(); + if (strstr (foo, "h") != foo) + abort(); + if (strstr (foo, "w") != foo + 6) + abort(); + if (strstr (foo + 6, "o") != foo + 7) + abort(); + + return 0; +} + +#ifdef __OPTIMIZE__ +/* When optimizing, all the above cases should be transformed into + something else. So any remaining calls to the original function + should abort. */ +char * +strstr(const char *s1, const char *s2) +{ + abort(); +} +#endif |