llvm-project

Commit Graph

Author	SHA1	Message	Date
Geoff Berry	8d84605f25	[EarlyCSE] Optionally use MemorySSA. NFC. Summary: Use MemorySSA, if requested, to do less conservative memory dependency checking. This change doesn't enable the MemorySSA enhanced EarlyCSE in the default pipelines, so should be NFC. Reviewers: dberlin, sanjoy, reames, majnemer Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D19821 llvm-svn: 280279	2016-08-31 19:24:10 +00:00
Geoff Berry	64f5ed172a	[EarlyCSE] Allow forwarding a non-invariant load into an invariant load. Reviewers: sanjoy Subscribers: mcrosier, llvm-commits Differential Revision: https://reviews.llvm.org/D23935 llvm-svn: 280265	2016-08-31 17:45:31 +00:00
Sanjoy Das	07c6521aed	[EarlyCSE] Fold invariant loads Redundant invariant loads can be CSE'ed with very little extra effort over what early-cse already tracks, so it looks reasonable to make early-cse handle this case. llvm-svn: 272954	2016-06-16 20:47:57 +00:00

Author

SHA1

Message

Date

Geoff Berry

8d84605f25

[EarlyCSE] Optionally use MemorySSA. NFC.

Summary:
Use MemorySSA, if requested, to do less conservative memory dependency
checking.

This change doesn't enable the MemorySSA enhanced EarlyCSE in the
default pipelines, so should be NFC.

Reviewers: dberlin, sanjoy, reames, majnemer

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D19821

llvm-svn: 280279

2016-08-31 19:24:10 +00:00

Geoff Berry

64f5ed172a

[EarlyCSE] Allow forwarding a non-invariant load into an invariant load.

Reviewers: sanjoy

Subscribers: mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D23935

llvm-svn: 280265

2016-08-31 17:45:31 +00:00

Sanjoy Das

07c6521aed

[EarlyCSE] Fold invariant loads

Redundant invariant loads can be CSE'ed with very little extra effort
over what early-cse already tracks, so it looks reasonable to make
early-cse handle this case.

llvm-svn: 272954

2016-06-16 20:47:57 +00:00

3 Commits