diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-04-02 09:10:53 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-04-02 09:10:53 +0000 |
| commit | ac9b13dedd3a2e002764098701f53c05a897bab4 (patch) | |
| tree | 1a6f6d8f33ade81a49b8870ef8209f8ef2aa991e /gcc/tree-ssa-dom.c | |
| parent | f0b30040618f44a1ff12b9763e40982fc8854b91 (diff) | |
| download | gcc-ac9b13dedd3a2e002764098701f53c05a897bab4.tar.gz | |
2009-04-02 Richard Guenther <rguenther@suse.de>
PR tree-optimization/37221
* tree-flow.h (degenerate_phi_result): Declare.
* tree-ssa-dom.c (degenerate_phi_result): Export.
* tree-scalar-evolution.c (analyze_initial_condition): If
the initial condition is defined by a degenerate PHI node
use the degenerate value.
* gcc.c-torture/compile/20090331-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145439 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 6d6d02bc305..c252a7257c4 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -2475,7 +2475,7 @@ avail_expr_eq (const void *p1, const void *p2) /* Given PHI, return its RHS if the PHI is a degenerate, otherwise return NULL. */ -static tree +tree degenerate_phi_result (gimple phi) { tree lhs = gimple_phi_result (phi); |