diff options
Diffstat (limited to 'contrib/llvm/lib/Analysis/Lint.cpp')
| -rw-r--r-- | contrib/llvm/lib/Analysis/Lint.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/contrib/llvm/lib/Analysis/Lint.cpp b/contrib/llvm/lib/Analysis/Lint.cpp index 9f1b30d..a9d9724 100644 --- a/contrib/llvm/lib/Analysis/Lint.cpp +++ b/contrib/llvm/lib/Analysis/Lint.cpp @@ -108,7 +108,7 @@ namespace { raw_string_ostream MessagesStr; static char ID; // Pass identification, replacement for typeid - Lint() : FunctionPass(&ID), MessagesStr(Messages) {} + Lint() : FunctionPass(ID), MessagesStr(Messages) {} virtual bool runOnFunction(Function &F); @@ -167,8 +167,7 @@ namespace { } char Lint::ID = 0; -static RegisterPass<Lint> -X("lint", "Statically lint-checks LLVM IR", false, true); +INITIALIZE_PASS(Lint, "lint", "Statically lint-checks LLVM IR", false, true); // Assert - We know that cond should be true, if not print an error message. #define Assert(C, M) \ @@ -247,8 +246,7 @@ void Lint::visitCallSite(CallSite CS) { // where nothing is known. if (Formal->hasNoAliasAttr() && Actual->getType()->isPointerTy()) for (CallSite::arg_iterator BI = CS.arg_begin(); BI != AE; ++BI) { - Assert1(AI == BI || - AA->alias(*AI, ~0u, *BI, ~0u) != AliasAnalysis::MustAlias, + Assert1(AI == BI || AA->alias(*AI, *BI) != AliasAnalysis::MustAlias, "Unusual: noalias argument aliases another argument", &I); } @@ -520,6 +518,9 @@ void Lint::visitVAArgInst(VAArgInst &I) { void Lint::visitIndirectBrInst(IndirectBrInst &I) { visitMemoryReference(I, I.getAddress(), ~0u, 0, 0, MemRef::Branchee); + + Assert1(I.getNumDestinations() != 0, + "Undefined behavior: indirectbr with no destinations", &I); } void Lint::visitExtractElementInst(ExtractElementInst &I) { |
