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Fix a bug related to the opened archetypes tracking

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If a SILBuilder creates a new instruction based on an old instruction and a new instruction is supposed to use some opened archetypes, one needs to set a proper opened archetypes context in the builder based on the opened archetypes used by the old instruction.

This fixes rdar://28024272
This commit is contained in:
Roman Levenstein
2016-08-26 09:53:58 -07:00
parent 4f9dbbfdd6
commit ef7f16ccbf
4 changed files with 80 additions and 0 deletions
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lib/SILOptimizer/Transforms/SpeculativeDevirtualizer.cpp
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@@ -50,6 +50,7 @@ STATISTIC(NumTargetsPredicted, "Number of monomorphic functions predicted");
static FullApplySite CloneApply(FullApplySite AI, SILBuilder &Builder) {
// Clone the Apply.
Builder.setCurrentDebugScope(AI.getDebugScope());
Builder.addOpenedArchetypeOperands(AI.getInstruction());
auto Args = AI.getArguments();
SmallVector<SILValue, 8> Ret(Args.size());
for (unsigned i = 0, e = Args.size(); i != e; ++i)