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| author | Kazu Hirata <kazu@codesourcery.com> | 2006-01-14 15:42:11 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2006-01-14 15:42:11 +0000 |
| commit | 9b61327b890150182672aa21eb45c6c3bcab0441 (patch) | |
| tree | 355ef3795da06c59605a8d8b7e753114173b953d /gcc/testsuite/gcc.dg/tree-ssa/pr25485.c | |
| parent | a916f21d3c176a23f54114a17605813a31cd5d2e (diff) | |
| download | gcc-9b61327b890150182672aa21eb45c6c3bcab0441.zip gcc-9b61327b890150182672aa21eb45c6c3bcab0441.tar.gz gcc-9b61327b890150182672aa21eb45c6c3bcab0441.tar.bz2 | |
re PR tree-optimization/25485 (VRP misses an "if" with TRUTH_AND_EXPR statement that could be optimized away)
gcc/
PR tree-optimization/25485
* tree-vrp.c (extract_range_from_binary_expr): Handle cases
where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
is known to be false and true, respectively.
gcc/testsuite/
PR tree-optimization/25485
* gcc.dg/tree-ssa/pr25485.c: New.
From-SVN: r109704
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr25485.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr25485.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr25485.c b/gcc/testsuite/gcc.dg/tree-ssa/pr25485.c new file mode 100644 index 0000000..7d76d07 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr25485.c @@ -0,0 +1,17 @@ +/* PR tree-optimization/25485 + VRP did not fold TRUTH_AND_EXPR. Make sure it does now. */ + +/* { dg-options "-O2 -fdump-tree-vrp" } */ + +int +foo (int a, int b) +{ + if (a > 50) + return 19; + if (a > 63 && b < 50) + return 17; + return 31; +} + +/* { dg-final { scan-tree-dump-times "if" 1 "vrp"} } */ +/* { dg-final { cleanup-tree-dump "vrp" } } */ |