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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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/pr24990-1.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/pr24990-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24990-1.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24990-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24990-1.c new file mode 100644 index 000000000..a518df025 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr24990-1.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +int f(int x) +{ + return ((~x) != 0); +} +int f1(int x) +{ + return ((~x) == 0); +} + +/* There should be no != 0 which is produced by the front-end as + ~x != 0 is the same as x != -1 (or ~0). Likewise for ==. */ +/* { dg-final { scan-tree-dump-times "!= 0" 0 "optimized"} } */ +/* { dg-final { scan-tree-dump-times "!= -1" 1 "optimized"} } */ +/* { dg-final { scan-tree-dump-times "== 0" 0 "optimized"} } */ +/* { dg-final { scan-tree-dump-times "== -1" 1 "optimized"} } */ + +/* { dg-final { cleanup-tree-dump "optimized" } } */ + |