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b5d07c43
2019 Apr 17
2
Disable combining of loads and stores in instcombine
> Why do you want this?
The goal is to share arrays between multiple tiles on a manycore architecture by splitting arrays between tiles. With a DRF memory model, it makes sense to elide multiple loads to the same memory location between barriers.; IIRC the semantics for volatile don’t allow this eliding.
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