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Author SHA1 Message Date
Alex Bradbury d08ed38e08 [RISCV] Extend test/CodeGen/RISCV/callee-saved-* to test getCalleePreservedRegs 
Add a caller which exhausts regs then calls another function. This allows
getCalleePreservedRegs to be tested.

llvm-svn: 356122
 2019-03-14 08:17:44 +00:00
Alex Bradbury 7d546aba6c [RISCV] Add tests for callee-saved GPRs, FPR32s, and FPR64s 
Note that s0 need not be marked reserved if the frame pointer isn't used. For
the ILP32 and LP64 soft float ABIS that are currently support, all FPRs are
always considered temporaries.

llvm-svn: 356061
 2019-03-13 16:14:16 +00:00