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3 Commits

Author SHA1 Message Date
Alex Bradbury 0171a9f4ec [RISCV] Peephole optimisation for load/store of global values or constant addresses 
(load (add base, off), 0) -> (load base, off)
(store val, (add base, off)) -> (store val, base, off)

This is similar to an equivalent peephole optimisation in PPCISelDAGToDAG.

llvm-svn: 327831
 2018-03-19 11:54:28 +00:00
Alex Bradbury 7d6aa1f7ae [RISCV] Implement frame pointer elimination 
llvm-svn: 322839
 2018-01-18 11:34:02 +00:00
Alex Bradbury 9330e64485 [RISCV] Add basic support for inline asm constraints 
llvm-svn: 322217
 2018-01-10 20:05:09 +00:00