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Changpeng Fang
1e204ff173
AMDGPU: Add Selection patterns to support add of one bit.
Summary: We generate s_xor to lower add of i1s in general cases, and s_not to lower add with a one-bit imm of -1 (true). Reviewers: rampitec Differential Revision: https://reviews.llvm.org/D52518 llvm-svn: 343030
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