[PATCH] D148225: ValueTracking: Handle shufflevector in computeKnownFPClass

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Add test coverage for demanded elts that include a undef shuffle mask value?



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Comment at: llvm/test/Transforms/Attributor/nofpclass.ll:915
+; FIXME: Doesn't actually reach computeKnownFPClass
+define <4 x float> @shufflevector_constexpr() {
+; CHECK: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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pre-commit these and rebase to show the diff


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https://reviews.llvm.org/D148225