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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/vrp06.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/vrp06.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp06.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp06.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp06.c new file mode 100644 index 000000000..cb6df0dca --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/vrp06.c @@ -0,0 +1,31 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1" } */ + +foo (int i, int j, int a) +{ + if (i >= 10) + if (i <= 30) + if (i == j) + { + a--; + + /* This should fold to 'if (0)'. */ + if (i < 0) + i = baz (); + + /* This should fold to 'if (1)'. */ + if (j > 0) + a--; + + /* This should fold to 'if (0)'. */ + if (i != j) + return 0; + } + + return i + a + j; +} + +/* { dg-final { scan-tree-dump-times "Folding predicate i_\[0-9\]+.*0 to 0" 1 "vrp1" } } */ +/* { dg-final { scan-tree-dump-times "Folding predicate j_\[0-9\]+.*0 to 1" 1 "vrp1" } } */ +/* { dg-final { scan-tree-dump-times "Folding predicate i_\[0-9]+.*j_\[0-9\]+.* to 0" 1 "vrp1" { xfail *-*-* } } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |