[libc-commits] [libc] [llvm] [LoongArch] Support ISD::SET_ROUNDING (llvm.set.rounding) (PR #205051)

[Zhaoxin Yang via libc-commits]

ylzsx wrote:

As mentioned in the previous review, this should be handled inside `Subtarget.hasBasicF()`:
https://github.com/llvm/llvm-project/pull/205051#discussion_r3452169426 .
Unless there is a compelling reason to move it outside, please keep it there. 

Add the added test still clearly fails locally..
```
./bin/llvm-lit ../llvm/test/CodeGen/LoongArch/set-rounding.ll
-- Testing: 1 tests, 1 workers --
FAIL: LLVM :: CodeGen/LoongArch/set-rounding.ll (1 of 1)
********************
Failed Tests (1):
  LLVM :: CodeGen/LoongArch/set-rounding.ll

Testing Time: 0.27s

Total Discovered Tests: 1
  Failed: 1 (100.00%)
```

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https://github.com/llvm/llvm-project/pull/205051