[llvm] [AArch64][GISel] Assign registers into FPR if they feed into FP instructions indirectly via PHI (PR #94618)

[Thorsten Schütt via llvm-commits]

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@@ -495,6 +495,22 @@ static bool isFPIntrinsic(const MachineRegisterInfo &MRI,
   }
 }
 
+bool AArch64RegisterBankInfo::isPHIWithFPContraints(
+    const MachineInstr &MI, const MachineRegisterInfo &MRI,
+    const TargetRegisterInfo &TRI, const unsigned Depth) const {
+  if (!MI.isPHI() || Depth > MaxFPRSearchDepth)
+    return false;
+
+  if (any_of(MRI.use_nodbg_instructions(MI.getOperand(0).getReg()),
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tschuett wrote:

Is it the same as:
```return any_of( ....);
```

https://github.com/llvm/llvm-project/pull/94618