diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C')
-rw-r--r-- | gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C b/gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C new file mode 100644 index 00000000000..5f63865c166 --- /dev/null +++ b/gcc/testsuite/g++.dg/tree-ssa/ssa-dom.C @@ -0,0 +1,104 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-dom1" } */ + +typedef long unsigned int size_t; +extern void abort (void) __attribute__ ((__noreturn__)); +union tree_node; +typedef union tree_node *tree; +union gimple_statement_d; +typedef union gimple_statement_d *gimple; +typedef const union gimple_statement_d *const_gimple; + +enum gimple_code +{ + GIMPLE_RETURN = 10, +}; + + + + + +struct gimple_statement_base +{ + + + enum gimple_code code:8; +}; + + +enum gimple_statement_structure_enum +{ + xyz +}; + + + + + + +union gimple_statement_d +{ + struct gimple_statement_base gsbase; +}; + + + + + +extern size_t const gimple_ops_offset_[]; + + +extern enum gimple_statement_structure_enum const gss_for_code_[]; + + +static inline enum gimple_code +gimple_code (const_gimple g) +{ + return g->gsbase.code; +} + + + + +static inline enum gimple_statement_structure_enum +gss_for_code (enum gimple_code code) +{ + return gss_for_code_[code]; +} + + + + +static inline enum gimple_statement_structure_enum +gimple_statement_structure (gimple gs) +{ + return gss_for_code (gimple_code (gs)); +} + + +static inline tree * +gimple_ops (gimple gs) +{ + size_t off; + off = gimple_ops_offset_[gimple_statement_structure (gs)]; + return (tree *) ((char *) gs + off); +} + + +static inline void +gimple_set_op (gimple gs, unsigned i, tree op) +{ + gimple_ops (gs)[i] = op; +} + +void +gimple_return_set_retval (gimple gs, tree retval) +{ + const_gimple __gs = (gs); + if (gimple_code (__gs) != (GIMPLE_RETURN)) + abort (); + gimple_set_op (gs, 0, retval); +} +/* { dg-final { scan-tree-dump-times "gss_for_code_.10." 1 "dom1"} } */ +/* { dg-final { cleanup-tree-dump "dom1" } } */ + |