[llvm] [X86][CodeGen] Support lowering for CCMP/CTEST (PR #91747)

[Shengchen Kan via llvm-commits]

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@@ -3157,6 +3157,63 @@ X86::CondCode X86::getCondFromCFCMov(const MachineInstr &MI) {
                                          : X86::COND_INVALID;
 }
 
+int X86::getCondFlagsFromCondCode(X86::CondCode CC) {
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KanRobert wrote:

The `CondCode` applies to all X86 instructions while the `CondCFlags` applies to APX conditional compares only so far.

Maybe `getCCMPCondFlagsFromCondCode` is better

https://github.com/llvm/llvm-project/pull/91747