[NFC] Run clang-format on llvm/lib/Target/X86/X86InstroInfo.cpp

Differential Revision: https://reviews.llvm.org/D125345
This commit is contained in:
Mingming Liu 2022-05-10 16:01:02 -07:00
parent 289236d597
commit 8bef5476de

View File

@ -1049,11 +1049,12 @@ static bool findRedundantFlagInstr(MachineInstr &CmpInstr,
// in the `AND` and `TEST` operation; signed bit is not known for `AND`,
// and is known to be 0 as a result of `TEST64rr`.
//
// FIXME: As opposed to poisoning the SF bit direclty, consider peeking into
// the AND instruction and using the static information to guide peephole optimization if possible.
// For example, it's possible to fold a conditional move into a copy
// if the relevant EFLAG bits could be deduced from an immediate operand of and operation.
//
// FIXME: As opposed to poisoning the SF bit directly, consider peeking into
// the AND instruction and using the static information to guide peephole
// optimization if possible. For example, it's possible to fold a
// conditional move into a copy if the relevant EFLAG bits could be deduced
// from an immediate operand of and operation.
//
NoSignFlag = true;
// ClearsOverflowFlag is true for AND operation (no surprise).
ClearsOverflowFlag = true;