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Implement partial specialization behind a flag. #7888

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Merged
merged 1 commit into from
Mar 3, 2017
Merged

Implement partial specialization behind a flag. #7888

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13 changes: 13 additions & 0 deletions include/swift/SILOptimizer/Utils/Generics.h
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,15 @@ class ReabstractionInfo {
bool HasUnboundGenericParams);

void createSubstitutedAndSpecializedTypes();
bool prepareAndCheck(ApplySite Apply, SILFunction *Callee,
SubstitutionList ParamSubs);
void specializeConcreteAndGenericSubstitutions(ApplySite Apply,
SILFunction *Callee,
SubstitutionList ParamSubs);
void specializeConcreteSubstitutions(ApplySite Apply, SILFunction *Callee,
SubstitutionList ParamSubs);

ReabstractionInfo() {}
public:
/// Constructs the ReabstractionInfo for generic function \p Orig with
/// substitutions \p ParamSubs.
Expand Down Expand Up @@ -219,6 +228,10 @@ class ReabstractionInfo {

/// Returns true if it is a partial generic specialization.
bool isPartialSpecialization() const;

/// Returns true if a given apply can be specialized.
static bool canBeSpecialized(ApplySite Apply, SILFunction *Callee,
SubstitutionList ParamSubs);
};

/// Helper class for specializing a generic function given a list of
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3 changes: 1 addition & 2 deletions lib/SILOptimizer/Transforms/PerformanceInliner.cpp
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Expand Up @@ -316,8 +316,7 @@ SILFunction *SILPerformanceInliner::getEligibleFunction(FullApplySite AI) {
// specialization for a given call.
static bool canSpecializeGeneric(ApplySite AI, SILFunction *F,
SubstitutionList Subs) {
ReabstractionInfo ReInfo(AI, F, Subs);
return ReInfo.canBeSpecialized();
return ReabstractionInfo::canBeSpecialized(AI, F, Subs);
}

bool SILPerformanceInliner::isProfitableToInline(FullApplySite AI,
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