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[PowerPC][NFC] Do not enter prefix selection if it cannot do better.

Authored by stefanp on Mar 22 2021, 6:40 AM.

Description

[PowerPC][NFC] Do not enter prefix selection if it cannot do better.

Do not try to materialize a constant using prefix instructions if the selection
using non prefix instructions was able to do it using a single non prefix
instruction.

Reviewed By: nemanjai, #powerpc

Differential Revision: https://reviews.llvm.org/D98791

Details

Committed
stefanpMar 22 2021, 7:17 AM
Reviewer
Restricted Project
Differential Revision
D98791: [PowerPC][NFC] Do not enter prefix selection if it cannot do better.
Parents
rG8248dd91d7f0: [lldb] Fix test_exec_root of API tests
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