diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c new file mode 100644 index 000000000..91e0e8936 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target int32 } */ +/* { dg-options "-O2 -fdump-tree-pre-details" } */ + +int f; +int g; +unsigned int +foo (int b, int x) +{ + if (b) + x = *(int *)&f; + g = x; + return *(unsigned int*)&f; +} +float +bar (int b, int x) +{ + if (b) + x = *(int *)&f; + g = x; + return *(float *)&f; +} + +/* We should see the partial redundant loads of f even though they + are using different types (of the same size). */ + +/* { dg-final { scan-tree-dump-times "Replaced MEM" 2 "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |