diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr45685.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr45685.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr45685.c b/gcc/testsuite/gcc.dg/tree-ssa/pr45685.c new file mode 100644 index 00000000000..06289430fa3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr45685.c @@ -0,0 +1,41 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-phiopt1-details" } */ + +typedef unsigned long int uint64_t; +typedef long int int64_t; +int summation_helper_1(int64_t* products, uint64_t count) +{ + int s = 0; + uint64_t i; + for(i=0; i<count; i++) + { + int64_t val = (products[i]>0) ? 1 : -1; + products[i] *= val; + if(products[i] != i) + val = -val; + products[i] = val; + s += val; + } + return s; +} + + +int summation_helper_2(int64_t* products, uint64_t count) +{ + int s = 0; + uint64_t i; + for(i=0; i<count; i++) + { + int val = (products[i]>0) ? 1 : -1; + products[i] *= val; + if(products[i] != i) + val = -val; + products[i] = val; + s += val; + } + return s; +} + +/* { dg-final { scan-tree-dump-times "converted to straightline code" 2 "phiopt1" } } */ +/* { dg-final { cleanup-tree-dump "phiopt1" } } */ + |