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[SIL] NFC: Simplify SILVTable and save 8 bytes per SILVTable

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We were not using the primary benefits of an intrusive list, namely the
ability to insert or remove from the middle of the list, so let's switch
to a plain vector. This also avoids linked-list pointer chasing.
This commit is contained in:
David Zarzycki
2020-06-08 10:42:04 -04:00
parent fe8893da96
commit 017ee7bf04
14 changed files with 53 additions and 58 deletions
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4
lib/SILOptimizer/Analysis/ClassHierarchyAnalysis.cpp
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@@ -23,8 +23,8 @@ void ClassHierarchyAnalysis::init() {
auto module = M->getSwiftModule();
// For each class declaration in our V-table list:
for (auto &VT : M->getVTableList()) {
ClassDecl *C = VT.getClass();
for (auto &VT : M->getVTables()) {
ClassDecl *C = VT->getClass();
while (true) {
// Ignore classes that are at the top of the class hierarchy: