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Michael Liao
cd9ede9fc0
Unify the logic in SelectAtomicLoadAdd and SelectAtomicLoadArith
- Merge the processing of LOAD_ADD with other atomic load-arith operations - Separate the logic getting target constant for atomic-load-op and add an optimization for atomic-load-add on i16 with negative value - Optimize a minor case for atomic-fetch-add i16 with negative operand. Test case is revised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164243 91177308-0d34-0410-b5e6-96231b3b80d8
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