[llvm] Use COFF image-base-relative jump tables on AMD64 (PR #147625)

[Matt Arsenault via llvm-commits]

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@@ -141,6 +141,8 @@ template <> struct ScalarEnumerationTraits<MachineJumpTableInfo::JTEntryKind> {
                 MachineJumpTableInfo::EK_LabelDifference64);
     IO.enumCase(EntryKind, "inline", MachineJumpTableInfo::EK_Inline);
     IO.enumCase(EntryKind, "custom32", MachineJumpTableInfo::EK_Custom32);
+    IO.enumCase(EntryKind, "coff-imgrel32",
+                MachineJumpTableInfo::EK_CoffImgRel32);
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arsenm wrote:

Needs mir support tests in test/CodeGen/MIR

https://github.com/llvm/llvm-project/pull/147625