================
@@ -159,6 +159,11 @@ class LLVM_ABI MCSubtargetInfo {
/// the provided string, ignoring all other features.
bool checkFeatures(StringRef FS) const;
+ /// Check whether the current subtarget satisfies a target feature
expression.
+ /// The expression uses feature names from the target's subtarget feature
+ /// table. Comma means AND, | means OR, and parentheses group expressions.
----------------
jayfoad wrote:
Should state the relative precedence of `,` and `|`.
https://github.com/llvm/llvm-project/pull/201470
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