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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/reassoc-9.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/reassoc-9.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/reassoc-9.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/reassoc-9.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/reassoc-9.c new file mode 100644 index 000000000..d09303ccf --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/reassoc-9.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-reassoc1" } */ + +int main(int a, int b, int c, int d, int e, int f, int g, int h) +{ + /* Should be transformed into e = 20 */ + int i = (a + 9) + (c + 8); + int j = (-c + 1) + (-a + 2); + + e = i + j; + return e; +} + +/* We can always re-associate to a final constant but the current + implementation does not allow easy roll-back without IL changes. */ + +/* { dg-final { scan-tree-dump-times "= 20" 1 "reassoc1" { xfail *-*-* } } } */ +/* { dg-final { cleanup-tree-dump "reassoc1" } } */ |