// RUN: llvm-profdata merge %S/Inputs/branch-templates.proftext -o %t.profdata
// RUN: llvm-cov show --show-expansions --show-branches=count %S/Inputs/branch-templates.o32l -instr-profile %t.profdata -path-equivalence=/tmp,%S %s | FileCheck %s
// RUN: llvm-cov report --show-branch-summary %S/Inputs/branch-templates.o32l -instr-profile %t.profdata -show-functions -path-equivalence=/tmp,%S %s | FileCheck %s -check-prefix=REPORT
-// RUN: llvm-cov report --show-branch-summary %S/Inputs/branch-templates.o32l -instr-profile %t.profdata -path-equivalence=/tmp,%S %s | FileCheck %s -check-prefix=REPORTFILE
#include <stdio.h>
+
template<typename T>
void unused(T x) {
return;
// REPORT-NEXT: _Z4funcIfEiT_ 5 2 60.00% 7 3 57.14% 2 1 50.00%
// REPORT-NEXT: ---
// REPORT-NEXT: TOTAL 22 7 68.18% 31 11 64.52% 12 6 50.00%
-
-// Make sure the covered branch tally for the function instantiation group is
-// merged to reflect maximum branch coverage of a single instantiation, just
-// like what is done for lines and regions. Also, the total branch tally
-// summary for an instantiation group should agree with the total number of
-// branches in the definition (In this case, 2 and 6 for func<>() and main(),
-// respectively). This is returned by: FunctionCoverageSummary::get(const
-// InstantiationGroup &Group, ...)
-
-// REPORTFILE: Filename Regions Missed Regions Cover Functions Missed Functions Executed Lines Missed Lines Cover Branches Missed Branches Cover
-// REPORTFILE-NEXT: ---
-// REPORTFILE-NEXT: /tmp/branch-templates.cpp 12 3 75.00% 2 0 100.00% 17 4 76.47% 8 4 50.00%
-// REPORTFILE-NEXT: ---
-// REPORTFILE-NEXT: TOTAL 12 3 75.00% 2 0 100.00% 17 4 76.47% 8 4 50.00%
for (const auto &FCS : Summaries.drop_front()) {
Summary.RegionCoverage.merge(FCS.RegionCoverage);
Summary.LineCoverage.merge(FCS.LineCoverage);
- Summary.BranchCoverage.merge(FCS.BranchCoverage);
+
+ // Sum branch coverage across instantiation groups for the summary rather
+ // than "merge" the maximum count. This is a clearer view into whether all
+ // created branches are covered.
+ Summary.BranchCoverage += FCS.BranchCoverage;
}
return Summary;
}
return *this;
}
- void merge(const BranchCoverageInfo &RHS) {
- Covered = std::max(Covered, RHS.Covered);
- NumBranches = std::max(NumBranches, RHS.NumBranches);
- }
-
size_t getCovered() const { return Covered; }
size_t getNumBranches() const { return NumBranches; }