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| author | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-01-09 13:47:42 +0000 |
|---|---|---|
| committer | Lorry <lorry@roadtrain.codethink.co.uk> | 2012-01-09 13:47:42 +0000 |
| commit | b4a5df67f1382a33f4535eb1b10600ca52d294d3 (patch) | |
| tree | d4571b191c2cfc0f5045bd27b54f8a48e70787a8 /gcc/testsuite/gcc.dg/autopar/pr46194.c | |
| download | gcc-tarball-b4a5df67f1382a33f4535eb1b10600ca52d294d3.tar.gz | |
Tarball conversion
Diffstat (limited to 'gcc/testsuite/gcc.dg/autopar/pr46194.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/autopar/pr46194.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/autopar/pr46194.c b/gcc/testsuite/gcc.dg/autopar/pr46194.c new file mode 100644 index 0000000000..574d6e6722 --- /dev/null +++ b/gcc/testsuite/gcc.dg/autopar/pr46194.c @@ -0,0 +1,24 @@ +/* PR tree-optimization/46194 */ +/* { dg-do compile } */ +/* { dg-options "-O -ftree-parallelize-loops=2 -fdump-tree-parloops-details" } */ + +#define N 1000 +int a[N]; + +int foo (void) +{ + int j; + int i; + + /* This is not blocked as it is not profitable. */ + for (i = 0; i < N; i++) + for (j = 0; j < N; j++) + a[j] = a[i] + 1; + + return a[0]; +} + +/* This loop cannot be parallelized due to a dependence. */ + +/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops" } } */ +/* { dg-final { cleanup-tree-dump "parloops" } } */ |