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Diffstat (limited to 'gcc/testsuite/gcc.dg/pr41783.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr41783.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr41783.c b/gcc/testsuite/gcc.dg/pr41783.c new file mode 100644 index 000000000..cae066be6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr41783.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-pre" } */ +int db[100]; +int a_global_var, fact; +int main() +{ + int i,j=0; + do + { + for (i=0; i<100; ++i) + db[i] = i; + fact = a_global_var * i; + } + while (j++ < 100); +} +/* We want to have exactly one load (not two) from a_global_var, + and we want that load to be into a PRE temporary. */ +/* { dg-final { scan-tree-dump-times "= a_global_var;" 1 "pre" } } */ +/* { dg-final { scan-tree-dump "pretmp\[^\\n\]* = a_global_var;" "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |