[IR] Remove CastInst::isCastable since it is not used
authorCullen Rhodes <cullen.rhodes@arm.com>
Thu, 3 Dec 2020 11:05:51 +0000 (11:05 +0000)
committerCullen Rhodes <cullen.rhodes@arm.com>
Tue, 8 Dec 2020 10:31:53 +0000 (10:31 +0000)
commit2cfbdaf601049faafb2f1b40f63a3b2bef74a464
tree29cb834f56b741363ff507431673c48c1d7bcea7
parentc5978f42ec8e9f7fa62a38510343440485752ec5
[IR] Remove CastInst::isCastable since it is not used

It was removed back in 2013 (f63dfbb) by Matt Arsenault but then
reverted since DragonEgg used it, but that project is no longer
maintained.

Reviewed By: ldionne, dexonsmith

Differential Revision: https://reviews.llvm.org/D92571
llvm/include/llvm/IR/InstrTypes.h
llvm/lib/IR/Instructions.cpp
llvm/unittests/IR/InstructionsTest.cpp