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[Thumb1] Any imm8 should have cost of 1

Description

[Thumb1] Any imm8 should have cost of 1

A simple MOVS rd, imm8 can materialize [-128, 127] in signed i8 type or
[0, 255] in unsigned i8 type on Thumb1.

Differential Revision: https://reviews.llvm.org/D52257

Details

Committed
zzhengSep 24 2018, 9:15 AM
Differential Revision
D52257: [Thumb1] Any imm of i8 type on Thumb1 should have cost of 1
Parents
rL342897: [python] [tests] Update test_code_completion
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