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Hans Wennborg
afeb42acc3
This was reverted in r360086 as it was supected of causing mysterious test failures internally. However, it was never concluded that this patch was the root cause. > The code was previously checking that candidates for sinking had exactly > one use or were a store instruction (which can't have uses). This meant > we could sink call instructions only if they had a use. > > That limitation seemed a bit arbitrary, so this patch changes it to > "instruction has zero or one use" which seems more natural and removes > the need to special-case stores. > > Differential revision: https://reviews.llvm.org/D59936 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@361811 91177308-0d34-0410-b5e6-96231b3b80d8
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