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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/ssa-sccvn-2.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-sccvn-2.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-2.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-2.c new file mode 100644 index 000000000..b4c3c14a2 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-2.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-fre1-stats" } */ + +int vnum_test8(int *data) +{ + int i; + int stop = data[3]; + int m = data[4]; + int n = m; + int p; + for (i=0; i<stop; i++) { + int k = data[2]; + data[k] = 2; + data[0] = m - n; + k = data[1]; + m = m + k; + n = n + k; + p = data[0]; + } + return p; +} +/* We should eliminate m - n, and set n = n + k into n = m, and + set p to 0 */ +/* { dg-final { scan-tree-dump-times "Eliminated: 4" 1 "fre1"} } */ +/* { dg-final { cleanup-tree-dump "fre1" } } */ |