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-rw-r--r--tools/bugpoint/Miscompilation.cpp25
1 files changed, 13 insertions, 12 deletions
diff --git a/tools/bugpoint/Miscompilation.cpp b/tools/bugpoint/Miscompilation.cpp
index 792fab07bf11..80f4cea23481 100644
--- a/tools/bugpoint/Miscompilation.cpp
+++ b/tools/bugpoint/Miscompilation.cpp
@@ -225,19 +225,22 @@ public:
/// output is different. If the DeleteInputs argument is set to true then this
/// function deletes both input modules before it returns.
///
-static Expected<std::unique_ptr<Module>>
-testMergedProgram(const BugDriver &BD, std::unique_ptr<Module> M1,
- std::unique_ptr<Module> M2, bool &Broken) {
- if (Linker::linkModules(*M1, std::move(M2)))
+static Expected<std::unique_ptr<Module>> testMergedProgram(const BugDriver &BD,
+ const Module &M1,
+ const Module &M2,
+ bool &Broken) {
+ // Resulting merge of M1 and M2.
+ auto Merged = CloneModule(&M1);
+ if (Linker::linkModules(*Merged, CloneModule(&M2)))
// TODO: Shouldn't we thread the error up instead of exiting?
exit(1);
// Execute the program.
- Expected<bool> Diff = BD.diffProgram(M1.get(), "", "", false);
+ Expected<bool> Diff = BD.diffProgram(Merged.get(), "", "", false);
if (Error E = Diff.takeError())
return std::move(E);
Broken = *Diff;
- return std::move(M1);
+ return std::move(Merged);
}
/// TestFuncs - split functions in a Module into two groups: those that are
@@ -335,9 +338,8 @@ ExtractLoops(BugDriver &BD,
// extraction.
AbstractInterpreter *AI = BD.switchToSafeInterpreter();
bool Failure;
- Expected<std::unique_ptr<Module>> New =
- testMergedProgram(BD, std::move(ToOptimizeLoopExtracted),
- std::move(ToNotOptimize), Failure);
+ Expected<std::unique_ptr<Module>> New = testMergedProgram(
+ BD, *ToOptimizeLoopExtracted, *ToNotOptimize, Failure);
if (Error E = New.takeError())
return std::move(E);
if (!*New)
@@ -726,8 +728,7 @@ static Expected<bool> TestOptimizer(BugDriver &BD, std::unique_ptr<Module> Test,
outs() << " Checking to see if the merged program executes correctly: ";
bool Broken;
- auto Result =
- testMergedProgram(BD, std::move(Optimized), std::move(Safe), Broken);
+ auto Result = testMergedProgram(BD, *Optimized, *Safe, Broken);
if (Error E = Result.takeError())
return std::move(E);
if (auto New = std::move(*Result)) {
@@ -840,7 +841,7 @@ static void CleanupAndPrepareModules(BugDriver &BD,
// Prototype: void *getPointerToNamedFunction(const char* Name)
Constant *resolverFunc = Safe->getOrInsertFunction(
"getPointerToNamedFunction", Type::getInt8PtrTy(Safe->getContext()),
- Type::getInt8PtrTy(Safe->getContext()), (Type *)nullptr);
+ Type::getInt8PtrTy(Safe->getContext()));
// Use the function we just added to get addresses of functions we need.
for (Module::iterator F = Safe->begin(), E = Safe->end(); F != E; ++F) {