[llvm] [X86] Lower scalar integer div/rem to FP division (PR #216589)

[Ankit Kumar Tiwari via llvm-commits]

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@@ -50735,9 +50735,17 @@ static SDValue combineIntDivRem(SDNode *N, SelectionDAG &DAG,
   bool IsRem = Opc == ISD::UREM || Opc == ISD::SREM;
   bool IsSigned = Opc == ISD::SDIV || Opc == ISD::SREM;
 
+  // Scalar functions that do not use XMM registers must not get this combine.
+  if (!VT.isVector() &&
+      (Subtarget.useSoftFloat() ||
+       DAG.getMachineFunction().getFunction().hasFnAttribute(
+           Attribute::NoImplicitFloat)))
+    return SDValue();
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ankit-cybertron wrote:

Done!

https://github.com/llvm/llvm-project/pull/216589