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4c83786531
Summary:
This patch implements relaxation for RISCV in the MC layer.
The following relaxations are currently handled:
1) Relax C_BEQZ to BEQ and C_BNEZ to BNEZ in RISCV.
2) Relax and C_J $imm to JAL x0, $imm and CJAL to JAL ra, $imm.
Reviewers: asb, llvm-commits, efriedma
Reviewed By: asb
Subscribers: shiva0217
Differential Revision: https://reviews.llvm.org/D43055
llvm-svn: 326626
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