[StackSafety] Don't keep FullSet in index

Optimization. Missing record is enterpreted as FullSet anyway.

Author: vitalybuka

llvm/lib/Analysis/StackSafetyAnalysis.cpp

@@ -996,6 +996,9 @@ void llvm::generateParamAccessSummary(ModuleSummaryIndex &Index) {
     std::vector<FunctionSummary::ParamAccess> NewParams;
     NewParams.reserve(KV.second.Params.size());
     for (auto &Param : KV.second.Params) {
+      // It's not needed as FullSet is processed the same as a missing value.
+      if (Param.second.Range.isFullSet())
+        continue;
       NewParams.emplace_back();
       FunctionSummary::ParamAccess &New = NewParams.back();
       New.ParamNo = Param.first;

llvm/test/Analysis/StackSafetyAnalysis/ipa.ll

@@ -706,17 +706,17 @@ entry:
 ; INDEX-DAG: guid: [[Write1SameModule]], {{.*}}, params: ((param: 0, offset: [0, 0])))))
 ; INDEX-DAG: guid: [[Write8]], {{.*}}, params: ((param: 0, offset: [0, 7])))))
 ; INDEX-DAG: guid: [[Write4_2]], {{.*}}, params: ((param: 0, offset: [0, 3]), (param: 1, offset: [0, 3])))))
-; INDEX-DAG: guid: [[RecursiveWithOffset]], {{.*}}, params: ((param: 1, offset: [-9223372036854775808, 9223372036854775807])))))
+; INDEX-DAG: guid: [[RecursiveWithOffset]], {{.*}}, calls: ((callee: ^{{[0-9]+}})))))
 ; INDEX-DAG: guid: [[Weak]], {{.*}}, funcFlags: ({{.*}}))))
 ; INDEX-DAG: guid: [[Write1Private]], {{.*}}, params: ((param: 0, offset: [-1, -1])))))
 ; INDEX-DAG: guid: [[InterposableWrite1]], {{.*}}, params: ((param: 0, offset: [0, 0])))))
 ; INDEX-DAG: guid: [[Private]], {{.*}}, params: ((param: 0, offset: [-1, -1])))))
 ; INDEX-DAG: guid: [[Rec1]], {{.*}}, params: ((param: 0, offset: [3, 6])))))
-; INDEX-DAG: guid: [[RecursiveNoOffset]], {{.*}}, params: ((param: 0, offset: [-9223372036854775808, 9223372036854775807]), (param: 2, offset: [0, 3])))))
-; INDEX-DAG: guid: [[Write1Weak]], {{.*}}, params: ((param: 0, offset: [-9223372036854775808, 9223372036854775807])))))
+; INDEX-DAG: guid: [[RecursiveNoOffset]], {{.*}}, params: ((param: 2, offset: [0, 3])))))
+; INDEX-DAG: guid: [[Write1Weak]], {{.*}}, calls: ((callee: ^{{[0-9]+}})))))
 ; INDEX-DAG: guid: [[Write1]], {{.*}}, params: ((param: 0, offset: [0, 0])))))
 ; INDEX-DAG: guid: [[PreemptableWrite1]], {{.*}}, funcFlags: ({{.*}}))))
 ; INDEX-DAG: guid: [[WriteAndReturn8]], {{.*}}, funcFlags: ({{.*}}))))
-; INDEX-DAG: guid: [[Write1DiffModule]], {{.*}}, params: ((param: 0, offset: [-9223372036854775808, 9223372036854775807])))))
+; INDEX-DAG: guid: [[Write1DiffModule]], {{.*}}, funcFlags: ({{.*}}))))
 ; INDEX-DAG: guid: [[ReturnAlloca]], {{.*}}, insts: 2)))
 ; INDEX-LABEL: blockcount: