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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/loop-17.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/loop-17.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-17.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-17.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-17.c new file mode 100644 index 000000000..0e856d8d5 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-17.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-sccp-details" } */ + +/* To determine the number of iterations in this loop we need to fold + p_4 + 4B > p_4 + 8B to false. This transformation has caused + troubles in the past due to overflow issues. */ + +int foo (int *p) +{ + int i = 0, *x; + + for (x = p; x < p + 2; x++) + i++; + + return i; +} + +/* { dg-final { scan-tree-dump "# of iterations 1, bounded by 1" "sccp" } } */ +/* { dg-final { cleanup-tree-dump "sccp" } } */ |