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Merge pull request #583 from jbj/bbStrictlyDominates-nomagic

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C++: pragma[nomagic] on bbStrictlyDominates
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Kevin Backhouse
2018-11-30 15:12:24 +00:00
committed by GitHub
parent 1c2dd3e7b9 4712a8f913
commit 939db5a7cd
1 changed files with 2 additions and 0 deletions
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2
cpp/ql/src/semmle/code/cpp/controlflow/Dominance.qll
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@@ -126,6 +126,7 @@ predicate bbIPostDominates(BasicBlock pDom, BasicBlock node) = idominance(bb_exi
* Holds if `dominator` is a strict dominator of `node` in the control-flow
* graph of basic blocks. Being strict means that `dominator != node`.
*/
pragma[nomagic] // magic prevents fastTC
predicate bbStrictlyDominates(BasicBlock dominator, BasicBlock node) {
bbIDominates+(dominator, node)
}
@@ -134,6 +135,7 @@ predicate bbStrictlyDominates(BasicBlock dominator, BasicBlock node) {
* Holds if `postDominator` is a strict post-dominator of `node` in the control-flow
* graph of basic blocks. Being strict means that `postDominator != node`.
*/
pragma[nomagic] // magic prevents fastTC
predicate bbStrictlyPostDominates(BasicBlock postDominator, BasicBlock node) {
bbIPostDominates+(postDominator, node)
}