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Diffstat (limited to 'gcc/testsuite/gcc.dg/strict-overflow-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/strict-overflow-2.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/strict-overflow-2.c b/gcc/testsuite/gcc.dg/strict-overflow-2.c new file mode 100644 index 0000000..c1ec195 --- /dev/null +++ b/gcc/testsuite/gcc.dg/strict-overflow-2.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-fstrict-overflow -O2 -fdump-tree-final_cleanup" } */ + +/* Source: Ian Lance Taylor. Dual of no-strict-overflow-2.c. */ + +/* We can only simplify the division when using strict overflow + semantics. */ + +int +foo (int i) +{ + return (i * 100) / 10; +} + +/* { dg-final { scan-tree-dump-not "100" "final_cleanup" } } */ +/* { dg-final { cleanup-tree-dump "final_cleanup" } } */ |