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[AMDGPU] Promote alloca to vector in opt

Authored by rampitec on May 20 2020, 4:24 PM.

Description

[AMDGPU] Promote alloca to vector in opt

Promote alloca to vector before SROA and loop unroll. If we manage
to eliminate allocas before unroll we may choose to unroll less.

Differential Revision: https://reviews.llvm.org/D80386

Details

Committed
rampitecMay 21 2020, 1:49 PM
Differential Revision
D80386: [AMDGPU] Promote alloca to vector in opt
Parents
rGbe88ba09d591: [NFC] Make assertion more informative.
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