================
@@ -7011,37 +7011,46 @@ void llvm::copyModuleAttrToFunctions(Module &M) {
}
}
-// Old two-operand form: !{!"llvm.loop.distribute.enable", i1 X}. The new
-// single-operand form uses "llvm.loop.distribute.enable" for X = true and
-// "llvm.loop.distribute.disable" for X = false.
-static bool isOldDistributeEnable(const MDTuple *T) {
- if (T->getNumOperands() != 2)
- return false;
- auto *Tag = dyn_cast_or_null<MDString>(T->getOperand(0));
- if (!Tag || Tag->getString() != "llvm.loop.distribute.enable")
- return false;
- return mdconst::hasa<ConstantInt>(T->getOperand(1));
+namespace {
+// Single-operand tags replacing a removed two-operand form
+// !{!"<Enable>", i1 X}: X = true selects Enable, X = false selects Disable.
+struct BooleanLoopTags {
+ StringLiteral Enable;
+ StringLiteral Disable;
+};
+} // namespace
+
+static constexpr BooleanLoopTags OldBooleanLoopTags[] = {
+ {"llvm.loop.distribute.enable", "llvm.loop.distribute.disable"},
+ {"llvm.loop.vectorize.enable", "llvm.loop.vectorize.disable"},
+ {"llvm.loop.vectorize.predicate.enable",
+ "llvm.loop.vectorize.predicate.disable"}};
+
+// Return the replacement tags for the enable tag \p Name, or nullptr.
----------------
Meinersbur wrote:
```suggestion
/// Return the replacement tags for the enable tag \p Name, or nullptr.
```
[nit]
https://github.com/llvm/llvm-project/pull/213902
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