[llvm] [SDAG] Add missing float type legalizations for FMODF (PR #128055)

[Benjamin Maxwell via llvm-commits]

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@@ -825,8 +834,14 @@ DAGTypeLegalizer::SoftenFloatRes_UnaryWithTwoFPResults(SDNode *N,
         MachinePointerInfo::getFixedStack(DAG.getMachineFunction(), FrameIdx);
     return DAG.getLoad(NVT, DL, Chain, StackSlot, PtrInfo);
   };
-  SetSoftenedFloat(SDValue(N, 0), CreateStackLoad(FirstResultSlot));
-  SetSoftenedFloat(SDValue(N, 1), CreateStackLoad(SecondResultSlot));
+
+  for (auto [ResNum, SlackSlot] : enumerate(StackSlots)) {
+    if (CallRetResNo == ResNum) {
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MacDue wrote:

It returns `false` if  `CallRetResNo == std::nullopt` (which is what we want).

https://github.com/llvm/llvm-project/pull/128055