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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/dse.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/dse.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/dse.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/dse.c b/gcc-4.9/gcc/testsuite/gcc.dg/dse.c new file mode 100644 index 000000000..4a859ae03 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/dse.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-dse-details" } */ + +#define N 256 + +struct +{ + int x; + int y; +} S[100]; + +int z[100]; + +int +foo (void) +{ + int i; + int x, y; + + S[5].x = 0; + S[5].y = 0; + + x = 5 + z[0]; + y = z[0]; + + S[5].x = x; + S[5].y = y; +} + +/* { dg-final { scan-tree-dump-times "Deleted dead store" 2 "dse1" } } */ +/* { dg-final { cleanup-tree-dump "dse*" } } */ + |