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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/ssa-ccp-28.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/ssa-ccp-28.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-28.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-28.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-28.c new file mode 100644 index 000000000..f5dbe70b3 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-28.c @@ -0,0 +1,26 @@ +/* { dg-do run } */ +/* { dg-options "-O -fdump-tree-ccp1" } */ + +extern void abort (void); + +static int g[1]; + +static int * const p = &g[0]; +static int * const q = &g[0]; + +int main(void) +{ + g[0] = 1; + *p = 0; + *p = *q; + if (g[0] != 0) + abort (); + return 0; +} + +/* We should have replaced all loads from p and q with the constant + initial value. */ + +/* { dg-final { scan-tree-dump-times "= p;" 0 "ccp1" } } */ +/* { dg-final { scan-tree-dump-times "= q;" 0 "ccp1" } } */ +/* { dg-final { cleanup-tree-dump "ccp1" } } */ |