diff options
| author | Erik Verbruggen <erik.verbruggen@me.com> | 2013-09-20 18:28:21 +0200 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-09-25 09:46:22 +0200 |
| commit | 1bc751852996cb89fbe097449e45baabafb730e4 (patch) | |
| tree | e64c6c8fb24535be122f869ba6ba19a56c45a8d1 /src | |
| parent | cb52d1cfdbb2ea113f433cb6843426019d209317 (diff) | |
V4 SSA: change life-time interval coverage calculation.
When iterating over the ranges in a life-time interval, stop when the
range starts after the position to check.
Change-Id: Ib64cbfc644820fdb4c0167b8db0b40dacfb5d076
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/qml/compiler/qv4ssa_p.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/qml/compiler/qv4ssa_p.h b/src/qml/compiler/qv4ssa_p.h index 1aa21eee11..7b4cce89d8 100644 --- a/src/qml/compiler/qv4ssa_p.h +++ b/src/qml/compiler/qv4ssa_p.h @@ -96,7 +96,15 @@ public: int start() const { return _ranges.first().start; } int end() const { return _end; } bool covers(int position) const - { foreach (const Range &r, _ranges) if (r.covers(position)) return true; return false; } + { + foreach (const Range &r, _ranges) { + if (position < r.start) + return false; + if (position <= r.end) + return true; + } + return false; + } int firstPossibleUsePosition(bool isPhiTarget) const { return start() + (isSplitFromInterval() || isPhiTarget ? 0 : 1); } |