1. [Polly] Avoid compiler warning. NFC. (details)
  2. [ConstantFolding] Use APFloat for constant folding. NFC (details)
Commit 86008477a4eb9ecac27f469539c4ac5e0fce44dc by llvm-project
[Polly] Avoid compiler warning. NFC.

Avoid the warning

    /polly/lib/Support/RegisterPasses.cpp:833:3: warning: default label in switch which covers all enumeration values [-Wcovered-switch-default]

since all cases are now handled.

Thanks to Luke Benes for reporting.
The file was modifiedpolly/lib/Support/RegisterPasses.cpp
Commit c9c05a91c4843c243d508c39bdfbc5e26f311af2 by sepavloff
[ConstantFolding] Use APFloat for constant folding. NFC

Replace use of host floating types with operations on APFloat when it is
possible. Use of APFloat makes analysis more convenient and facilitates
constant folding in the case of non-default FP environment.

Differential Revision:
The file was modifiedllvm/lib/Analysis/ConstantFolding.cpp