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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22018.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22018.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22018.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22018.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22018.c new file mode 100644 index 000000000..d4d332c2f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr22018.c @@ -0,0 +1,32 @@ +/* { dg-do run } */ +/* { dg-options -O2 } */ + +void abort (void); +void g(int); +void f(int l) +{ + unsigned i; + for (i = 0; i < l; i++) + { + int y = i; + /* VRP was wrongfully computing z's range to be [0, 0] instead + of [-INF, 0]. */ + int z = y*-32; + g(z); + } +} + +void g(int i) +{ + static int x = 0; + if (i == 0) + x ++; + if (x > 1) + abort (); +} + +int main(void) +{ + f(3); + return 0; +} |