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[Lanai] implement wide immediate support
authorSerge Bazanski <q3k@q3k.org>
Fri, 10 Sep 2021 10:54:43 +0000 (10:54 +0000)
committerwhitequark <whitequark@whitequark.org>
Fri, 10 Sep 2021 10:54:43 +0000 (10:54 +0000)
commit788e7b3b8c285d63a4ef354608240e1376179c79
tree3ffc5beb71e5622abf7b571d6c0ac242ca52daf3tree | snapshot
parent231bfaab31a91ee956312a7c730b41da376fa322commit | diff
[Lanai] implement wide immediate support

This fixes LanaiTTIImpl::getIntImmCost to return valid costs for i128
(and wider) values. Previously any immediate wider than
64 bits would cause Lanai llc to crash.

A regression test is also added that exercises this functionality.

Reviewed By: jpienaar

Differential Revision: https://reviews.llvm.org/D107091
llvm/lib/Target/Lanai/LanaiTargetTransformInfo.h diff | blob | history
llvm/test/CodeGen/Lanai/lowering-128.ll diff | blob | history
Domain: System / Toolchain;