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diff --git a/content/zettel/2e1b1a.md b/content/zettel/2e1b1a.md new file mode 100644 index 0000000..1e684fe --- /dev/null +++ b/content/zettel/2e1b1a.md @@ -0,0 +1,15 @@ ++++ +title = "Keeping φ functions around" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["2e1b1"] +forwardlinks = ["2e1b1b"] +zettelid = "2e1b1a" ++++ + +One possibility is to actually keep φ nodes around in gated-SSA, because +that means that with code where the predicates cannot be found, or in +irreducible loops, the gated-SSA generation will not fail. However, this +does mean that sometimes one will have code that contains φ functions, +instead of just the pure GSA functions. |