llvm-project

Commit Graph

Author	SHA1	Message	Date
Serguei Katkov	b988898013	[GVN LoadPRE] Extend the scope of optimization by using context to prove safety of speculation Use context to prove that load can be safely executed at a point where load is being hoisted. Postpone the decision about safety of speculative load execution till the moment we know where we hoist load and check safety at that context. Reviewers: nikic, fhahn, mkazantsev, lebedev.ri, efriedma, reames Reviewed By: reames, mkazantsev Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D88725	2020-10-06 09:25:16 +07:00
Serguei Katkov	8ae1369f79	[GVN LoadPRE] Add test to show an opportunty. We can use context to prove that load can be safely executed at a point where load is being hoisted.	2020-10-02 17:53:37 +07:00

Author

SHA1

Message

Date

Serguei Katkov

b988898013

[GVN LoadPRE] Extend the scope of optimization by using context to prove safety of speculation

Use context to prove that load can be safely executed at a point where load is being hoisted.

Postpone the decision about safety of speculative load execution till the moment we know
where we hoist load and check safety at that context.

Reviewers: nikic, fhahn, mkazantsev, lebedev.ri, efriedma, reames
Reviewed By: reames, mkazantsev
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D88725

2020-10-06 09:25:16 +07:00

Serguei Katkov

8ae1369f79

[GVN LoadPRE] Add test to show an opportunty.

We can use context to prove that load can be safely executed
at a point where load is being hoisted.

2020-10-02 17:53:37 +07:00

2 Commits