diff options
| -rw-r--r-- | include/llvm/CodeGen/FunctionLoweringInfo.h | 4 | ||||
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | 1 | ||||
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 4 |
3 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/FunctionLoweringInfo.h b/include/llvm/CodeGen/FunctionLoweringInfo.h index 7f03a7a..8b1c852 100644 --- a/include/llvm/CodeGen/FunctionLoweringInfo.h +++ b/include/llvm/CodeGen/FunctionLoweringInfo.h @@ -106,6 +106,10 @@ public: LiveOutInfo() : NumSignBits(0), KnownOne(1, 0), KnownZero(1, 0) {} }; + /// VisitedBBs - The set of basic blocks visited thus far by instruction + /// selection. + DenseSet<const BasicBlock*> VisitedBBs; + /// PHINodesToUpdate - A list of phi instructions whose operand list will /// be updated after processing the current basic block. /// TODO: This isn't per-function state, it's per-basic-block state. But diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp index 98582ba..c55cf85 100644 --- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp +++ b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp @@ -219,6 +219,7 @@ void FunctionLoweringInfo::clear() { CatchInfoFound.clear(); #endif LiveOutRegInfo.clear(); + VisitedBBs.clear(); ArgDbgValues.clear(); ByValArgFrameIndexMap.clear(); RegFixups.clear(); diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 835aab2..9d3f5bc 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -831,6 +831,10 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) { #ifndef NDEBUG CheckLineNumbers(LLVMBB); #endif + + if (OptLevel != CodeGenOpt::None) + FuncInfo->VisitedBBs.insert(LLVMBB); + FuncInfo->MBB = FuncInfo->MBBMap[LLVMBB]; FuncInfo->InsertPt = FuncInfo->MBB->getFirstNonPHI(); |