llvm-project

Commit Graph

Author	SHA1	Message	Date
Pete Cooper	be4f571107	Change the objc ARC optimizer to use the new objc.* intrinsics We're moving ARC optimisation and ARC emission in clang away from runtime methods and towards intrinsics. This is the part which actually uses the intrinsics in the ARC optimizer when both analyzing the existing calls and emitting new ones. Differential Revision: https://reviews.llvm.org/D55348 Reviewers: ahatanak llvm-svn: 349534	2018-12-18 20:32:49 +00:00
Saleem Abdulrasool	619b3269fd	ObjCARC: do not increment past the end of the BB The `BasicBlock::getFirstInsertionPt` call may return `std::end` for the BB. Dereferencing the end iterator results in an assertion failure "(!NodePtr->isKnownSentinel()), function operator*". Ensure that the returned iterator is valid before dereferencing it. If the end is returned, move one position backward to get a valid insertion point. llvm-svn: 316401	2017-10-24 00:09:10 +00:00

Author

SHA1

Message

Date

Pete Cooper

be4f571107

Change the objc ARC optimizer to use the new objc.* intrinsics

We're moving ARC optimisation and ARC emission in clang away from runtime methods
and towards intrinsics.  This is the part which actually uses the intrinsics in the ARC
optimizer when both analyzing the existing calls and emitting new ones.

Differential Revision: https://reviews.llvm.org/D55348

Reviewers: ahatanak
llvm-svn: 349534

2018-12-18 20:32:49 +00:00

Saleem Abdulrasool

619b3269fd

ObjCARC: do not increment past the end of the BB

The `BasicBlock::getFirstInsertionPt` call may return `std::end` for the
BB.  Dereferencing the end iterator results in an assertion failure
"(!NodePtr->isKnownSentinel()), function operator*".  Ensure that the
returned iterator is valid before dereferencing it.  If the end is
returned, move one position backward to get a valid insertion point.

llvm-svn: 316401

2017-10-24 00:09:10 +00:00

2 Commits