diff options
| author | Richard Guenther <rguenther@suse.de> | 2007-04-18 11:45:09 +0000 |
|---|---|---|
| committer | Richard Guenther <rguenther@suse.de> | 2007-04-18 11:45:09 +0000 |
| commit | 44fee7bd340e695133a30a344450b158eaea5f30 (patch) | |
| tree | 23793781d436a1c62b25d540d256d241df35a7e0 /gcc/testsuite/g++.dg/tree-ssa/pr21463.C | |
| parent | 583fbe3d4df32eb83f04bb82acdf4bc457477d30 (diff) | |
2007-04-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/19431
PR tree-optimization/21463
* tree-pass.h (pass_phiprop): Declare.
* passes.c (init_optimization_passes): New phiprop pass.
* tree-ssa-forwprop.c (struct phiprop_d): New structure.
(phivn_valid_p): New helper function.
(phiprop_insert_phi): Likewise.
(propagate_with_phi): Likewise.
(tree_ssa_phiprop): New propagator propagating loads
through phi nodes if profitable.
* gcc.c-torture/execute/20070212-1.c: New testcase.
* gcc.c-torture/execute/20070212-2.c: Likewise.
* gcc.c-torture/execute/20070212-3.c: Likewise.
* gcc.dg/tree-ssa/pr19431.c: Likewise.
* gcc.dg/tree-ssa/pr21463.c: Likewise.
* g++.dg/tree-ssa/pr21463.C: Likewise.
* g++.dg/tree-ssa/pr30738.C: Likewise.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@123946 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/g++.dg/tree-ssa/pr21463.C')
| -rw-r--r-- | gcc/testsuite/g++.dg/tree-ssa/pr21463.C | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr21463.C b/gcc/testsuite/g++.dg/tree-ssa/pr21463.C new file mode 100644 index 00000000000..6d6ee93ba44 --- /dev/null +++ b/gcc/testsuite/g++.dg/tree-ssa/pr21463.C @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fdump-tree-phiopt1" } */ + +template<class T> static inline const T &ref_max(const T &a, const T &b) +{ return a<b ? b : a; } +template<class T> static inline const T &ref_min(const T &a, const T &b) +{ return a<b ? a : b; } + +template<class T> struct foo_t { + T a0, a1; + T bar_ref(const T b, const T c) { + return ref_max(ref_min(a0, c), ref_min(ref_max(a1, c), b)); + } +}; + +template struct foo_t<int>; + +/* { dg-final { scan-tree-dump-times "MIN_EXPR" 2 "phiopt1" } } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR" 2 "phiopt1" } } */ +/* { dg-final { cleanup-tree-dump "phiopt1" } } */ |