[llvm] [Mips] Fix compiler crash when returning fp128 after calling a functi… (PR #117525)

[via llvm-commits]

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@@ -4781,7 +4781,7 @@ class TargetLowering : public TargetLoweringBase {
   virtual bool CanLowerReturn(CallingConv::ID /*CallConv*/,
                               MachineFunction &/*MF*/, bool /*isVarArg*/,
                const SmallVectorImpl<ISD::OutputArg> &/*Outs*/,
-               LLVMContext &/*Context*/) const
+               LLVMContext &/*Context*/, const Type *RetTy) const
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yingopq wrote:

We can know each element value type in `Outs`, but we can not get the call return type from `Outs`. So I think it is necessary to add a new parameter.

https://github.com/llvm/llvm-project/pull/117525