← Back to index | Original Bugzilla link

Bug 17457 – Named Return Value Optimization (NRVO) not done with return of constructor call

Status: RESOLVED
Resolution: FIXED
Severity: enhancement
Priority: P1
Component: dmd
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2017-05-31T07:50:00Z
Last change time: 2017-08-07T13:16:31Z
Assigned to: nobody
Creator: bugzilla
See also: https://issues.dlang.org/show_bug.cgi?id=17448

Comments

Comment #0 by bugzilla — 2017-05-31T07:50:21Z

NRVO is not done for: struct S { ulong[10] x; // ensure stack placement instead of register placement this(int i); } S foo() { return S(10); } but is done for: S foo() { auto s = S(10); return s; }

Comment #1 by bugzilla — 2017-05-31T08:04:16Z

https://github.com/dlang/dmd/pull/6847

Comment #2 by github-bugzilla — 2017-06-10T00:55:40Z

Commits pushed to master at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/2fd96914cdd3fb2ddf29872b1c80415ce636916d fix Issue 17457 - Named Return Value Optimization (NRVO) not done with return of constructor call https://github.com/dlang/dmd/commit/10e086ab9970750479711f05f4d06128e178377e Merge pull request #6847 from WalterBright/fix17457 fix Issue 17457 - Named Return Value Optimization (NRVO) not done wit… merged-on-behalf-of: Andrei Alexandrescu <[email protected]>

Comment #3 by github-bugzilla — 2017-08-07T13:16:31Z

Commits pushed to newCTFE at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/2fd96914cdd3fb2ddf29872b1c80415ce636916d fix Issue 17457 - Named Return Value Optimization (NRVO) not done with return of constructor call https://github.com/dlang/dmd/commit/10e086ab9970750479711f05f4d06128e178377e Merge pull request #6847 from WalterBright/fix17457