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[GISel] Pass MD_callees metadata down in call lowering.

Authored by rudkx on Jul 31 2019, 1:34 PM.

Description

[GISel] Pass MD_callees metadata down in call lowering.

Summary:
This will make it possible to improve IPRA by taking into account
register usage in indirect calls.

NFC yet; this is just laying the groundwork to start building
up patches to take advantage of the information for improved register
allocation.

Reviewers: aditya_nandakumar, volkan, qcolombet, arsenm, rovka, aemerson, paquette

Subscribers: sdardis, wdng, javed.absar, hiraditya, jrtc27, atanasyan, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65488

llvm-svn: 367476

Details

Committed
rudkxJul 31 2019, 1:34 PM
Differential Revision
D65488: [GISel] Pass MD_callees metadata down in call lowering.
Parents
rG09f39967a2e8: AArch64: Add a tagged-globals backend feature.
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