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authorDuncan Sands <baldrick@free.fr>2012-09-29 10:25:35 +0000
committerDuncan Sands <baldrick@free.fr>2012-09-29 10:25:35 +0000
commit454627252b1cc43e81949d41eb20e9ea9560da58 (patch)
treef17db9a4b50aee70ecbabfe49763d454584dc6f1 /test/Transforms
parent0eb5dadf657d38da9a8c7fe44c660bcfb6933038 (diff)
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Speculatively revert commit 164885 (nadav) in the hope of ressurecting a pile of
buildbots. Original commit message: A DAGCombine optimization for merging consecutive stores. This optimization is not profitable in many cases because moden processos can store multiple values in parallel, and preparing the consecutive store requires some work. We only handle these cases: 1. Consecutive stores where the values and consecutive loads. For example: int a = p->a; int b = p->b; q->a = a; q->b = b; 2. Consecutive stores where the values are constants. Foe example: q->a = 4; q->b = 5; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164890 91177308-0d34-0410-b5e6-96231b3b80d8
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