diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C new file mode 100644 index 000000000..2b4c41103 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +struct ExtentsBase { + ExtentsBase() : startx_(), endx_() { } + ExtentsBase(const ExtentsBase &b) { + *this = b; + } + + const ExtentsBase & operator=(const ExtentsBase &b) { + if (this != &b) { + startx_ = b.startx_; + } + return *this; + } + + int startx_; + int endx_; +}; + +int f(const ExtentsBase &e1) { + ExtentsBase my_extents = e1; + return my_extents.startx_; +} + +/* { dg-final { scan-tree-dump-not "&my_extents" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ + |