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Revert "Disable generic specialization in the devirtualizer ..."

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The problem was with the testcase that failed verification and not in the devirtualizer.

This reverts commit r25586.

Swift SVN r25594
This commit is contained in:
Nadav Rotem
2015-02-27 05:14:08 +00:00
parent 1d03915dfc
commit e7140012bf
2 changed files with 15 additions and 2 deletions
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14
lib/SILPasses/Devirtualizer.cpp
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@@ -652,6 +652,9 @@ public:
/// The entry point to the transformation.
void run() override {
/// A list of devirtualized calls.
GenericSpecializer::AIList DevirtualizedCalls;
bool Changed = false;
// Perform devirtualization locally and compute potential polymorphic
@@ -668,7 +671,8 @@ public:
if (!AI)
continue;
if (optimizeApplyInst(AI)) {
if (ApplyInst *NewAI = optimizeApplyInst(AI)) {
DevirtualizedCalls.push_back(NewAI);
Changed |= true;
}
}
@@ -677,6 +681,14 @@ public:
}
if (Changed) {
// Try to specialize the devirtualized calls.
auto GS = GenericSpecializer(getModule());
// Try to specialize the newly devirtualized calls.
if (GS.specialize(DevirtualizedCalls)) {
DEBUG(llvm::dbgs() << "Specialized some generic functions\n");
}
PM->scheduleAnotherIteration();
invalidateAnalysis(SILAnalysis::InvalidationKind::CallGraph);
}