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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/ldist-7.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/ldist-7.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-7.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-7.c new file mode 100644 index 000000000..124fcdedd --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-7.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" } */ + +int loop1 (int k) +{ + unsigned int i, z; + int a[1000], b[1000], c[1000], d[1000]; + + for (i = 2; i < (1000-1); i ++) { + z = a[i+1]; /* S1 */ + a[i] = k * i; /* S2 */ + b[i] = a[i-2] + k; /* S3 */ + c[i] = b[i-1] + z; /* S4 */ + d[i] = c[i-1] + b[i+1] + k + i; /* S5 */ + } + /* Dependences: + S1->S2 (anti, level 1) + S1->S4 (flow, level 1, scalar) + S2->S3 (flow, level 1) + S3->S4 (flow, level 1) + S4->S5 (flow, level 1) + S5->S3 (anti, level 1) + + There is a single partition: {S1, S2, S3, S4, S5}, because of the + scalar dependence z between the two partitions {S1, S2} and {S3, S4, S5}. + */ + + return a[1000-2] + b[1000-1] + c[1000-2] + d[1000-2]; +} + +/* { dg-final { scan-tree-dump-times "distributed" 0 "ldist" } } */ +/* { dg-final { cleanup-tree-dump "ldist" } } */ |