[llvm] [RISCV][GISel] Add FP calling convention support using FPR and GPR registers. (PR #69138)

[Craig Topper via llvm-commits]

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@@ -294,13 +377,9 @@ bool RISCVCallLowering::lowerCall(MachineIRBuilder &MIRBuilder,
 
   MIRBuilder.insertInstr(Call);
 
-  if (Info.OrigRet.Ty->isVoidTy())
+  if (Info.OrigRet.Ty->isVoidTy() || !isSupportedReturnType(Info.OrigRet.Ty))
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topperc wrote:

This is mistake. I shouldn't have merged these ifs

https://github.com/llvm/llvm-project/pull/69138