Add a cc1 "dump-coverage-mapping" for testing coverage mapping.
Differential Revision: http://reviews.llvm.org/D4799
llvm-svn: 215258
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 5040965..1f0dd73 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -3198,10 +3198,20 @@
}
void CodeGenModule::EmitDeferredUnusedCoverageMappings() {
+ std::vector<const Decl *> DeferredDecls;
for (const auto I : DeferredEmptyCoverageMappingDecls) {
if (!I.second)
continue;
- const auto *D = I.first;
+ DeferredDecls.push_back(I.first);
+ }
+ // Sort the declarations by their location to make sure that the tests get a
+ // predictable order for the coverage mapping for the unused declarations.
+ if (CodeGenOpts.DumpCoverageMapping)
+ std::sort(DeferredDecls.begin(), DeferredDecls.end(),
+ [] (const Decl *LHS, const Decl *RHS) {
+ return LHS->getLocStart() < RHS->getLocStart();
+ });
+ for (const auto *D : DeferredDecls) {
switch (D->getKind()) {
case Decl::CXXConversion:
case Decl::CXXMethod: