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Diffstat (limited to 'gcc/testsuite/gcc.dg/strict-overflow-5.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/strict-overflow-5.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/strict-overflow-5.c b/gcc/testsuite/gcc.dg/strict-overflow-5.c new file mode 100644 index 000000000..816bfe440 --- /dev/null +++ b/gcc/testsuite/gcc.dg/strict-overflow-5.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-fstrict-overflow -O2 -fdump-tree-optimized" } */ + +/* We can only unroll when using strict overflow semantics. */ + +int foo (int i) +{ + int index; + int r=0; + + for (index = i; index <= i+4; index+=2) + r++; + + return r; +} + +/* { dg-final { scan-tree-dump "return 3" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ + |