diff options
Diffstat (limited to 'lib/Analysis/MemoryDependenceAnalysis.cpp')
-rw-r--r-- | lib/Analysis/MemoryDependenceAnalysis.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp index a280fffb59..47e47e5cba 100644 --- a/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -111,19 +111,31 @@ void MemoryDependenceAnalysis::nonLocalHelper(Instruction* query, while (!stack.empty()) { BasicBlock* BB = stack.back(); - visited.insert(BB); - - if (resp.count(BB)) { + if (visited.count(BB)) { stack.pop_back(); continue; } if (BB != block) { + visited.insert(BB); + Instruction* localDep = getDependency(query, 0, BB); if (localDep != NonLocal) { resp.insert(std::make_pair(BB, localDep)); + stack.pop_back(); + continue; } + } else if (BB == block && stack.size() > 1) { + visited.insert(BB); + + Instruction* localDep = getDependency(query, 0, BB); + if (localDep != query) + resp.insert(std::make_pair(BB, localDep)); + + stack.pop_back(); + + continue; } bool predOnStack = false; |