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| author | Xinliang David Li <davidxl@google.com> | 2010-04-28 17:41:31 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@gcc.gnu.org> | 2010-04-28 17:41:31 +0000 |
| commit | 34f97b9407c6a39f133b3446e8c788d19a9f9e34 (patch) | |
| tree | 371e321349590c66d4a3929d9c841eb7fe2c2cfa /gcc/testsuite/gcc.dg/uninit-pred-5_a.c | |
| parent | 85fac79c205b0b415d0eb0a8a4fe6a28f50a92a5 (diff) | |
| download | gcc-34f97b9407c6a39f133b3446e8c788d19a9f9e34.zip gcc-34f97b9407c6a39f133b3446e8c788d19a9f9e34.tar.gz gcc-34f97b9407c6a39f133b3446e8c788d19a9f9e34.tar.bz2 | |
predicate aware uninitialized analysis
From-SVN: r158835
Diffstat (limited to 'gcc/testsuite/gcc.dg/uninit-pred-5_a.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/uninit-pred-5_a.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-pred-5_a.c b/gcc/testsuite/gcc.dg/uninit-pred-5_a.c new file mode 100644 index 0000000..845f3c4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-pred-5_a.c @@ -0,0 +1,41 @@ +/* { dg-do compile } */ +/* { dg-options "-Wuninitialized -O2" } */ + +int g; +int bar(); +int blah(int); +void t(int); + +__attribute__((always_inline)) +int foo (int n, int* v, int r) +{ + int flag = 0; + if (r > n) + { + *v = bar(); + flag = 1; + } + + if (n > g) + g++; + else + bar(); + + return flag; +} + +int a[100]; +int b[100]; +int blah(int n) +{ + int i; + for (i = 0 ; i < n; i++) + { + int v; + if (!foo (n, &v, b[i])) + return 0; + t (v); /* { dg-bogus "uninitialized" "bogus warning" } */ + } + return 1; +} + |