[llvm] [X86] Use 32-bit jump table entries on Windows (PR #95962)

[Eli Friedman via llvm-commits]

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@@ -417,7 +417,8 @@ unsigned X86TargetLowering::getJumpTableEncoding() const {
   if (isPositionIndependent() && Subtarget.isPICStyleGOT())
     return MachineJumpTableInfo::EK_Custom32;
   if (isPositionIndependent() &&
-      getTargetMachine().getCodeModel() == CodeModel::Large)
+      getTargetMachine().getCodeModel() == CodeModel::Large &&
+      !Subtarget.isOSWindows())
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efriedma-quic wrote:

Maybe isTargetCOFF(), to better match what we actually care about here.

https://github.com/llvm/llvm-project/pull/95962