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[AMDGPU] Don't cluster stores

Authored by foad on Jun 3 2020, 2:01 AM.

Description

[AMDGPU] Don't cluster stores

Clustering loads has caching benefits, but as far as I know there is no
advantage to clustering stores on any AMDGPU subtargets.

The disadvantage is that it tends to increase register pressure and
restricts scheduling freedom.

Differential Revision: https://reviews.llvm.org/D85530

Details

Committed
foadMon, Sep 14, 5:40 AM
Differential Revision
D85530: [AMDGPU] Don't cluster stores
Parents
rG98eaacd73d40: Assert we've found both vector types. NFCI.
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