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diff --git a/content/zettel/3a8e2.md b/content/zettel/3a8e2.md new file mode 100644 index 0000000..65ee9fd --- /dev/null +++ b/content/zettel/3a8e2.md @@ -0,0 +1,16 @@ ++++ +title = "Replacing strict dominator by use" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["3a8e1"] +forwardlinks = ["3a8e3"] +zettelid = "3a8e2" ++++ + +The strict dominator property `sdom` is a weaker precondition to the +`use` property, which determines when a variable is being used, which +implies that it has to be strictly dominated by the assignment. This is +because to use a variable, it must have been assigned beforehand, which +in SSA means it has to have been a strict dominator in the control-flow +graph. |