const SDValue *Ops, unsigned NumOps, unsigned EmitNodeInfo);
void PrepareEHLandingPad();
+
+ /// \brief Perform instruction selection on all basic blocks in the function.
void SelectAllBasicBlocks(const Function &Fn);
- bool TryToFoldFastISelLoad(const LoadInst *LI, const Instruction *FoldInst,
- FastISel *FastIS);
- void FinishBasicBlock();
+ /// \brief Perform instruction selection on a single basic block, for
+ /// instructions between \p Begin and \p End. \p HadTailCall will be set
+ /// to true if a call in the block was translated as a tail call.
void SelectBasicBlock(BasicBlock::const_iterator Begin,
BasicBlock::const_iterator End,
bool &HadTailCall);
+
+ bool TryToFoldFastISelLoad(const LoadInst *LI, const Instruction *FoldInst,
+ FastISel *FastIS);
+ void FinishBasicBlock();
+
void CodeGenAndEmitDAG();
- void LowerArguments(const BasicBlock *BB);
+
+ /// \brief Generate instructions for lowering the incoming arguments of the
+ /// given function.
+ void LowerArguments(const Function &F);
void ComputeLiveOutVRegInfo();
return true;
}
-void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
- // If this is the entry block, emit arguments.
- const Function &F = *LLVMBB->getParent();
+void SelectionDAGISel::LowerArguments(const Function &F) {
SelectionDAG &DAG = SDB->DAG;
DebugLoc dl = SDB->getCurDebugLoc();
const DataLayout *TD = TLI.getDataLayout();
if (LLVMBB == &Fn.getEntryBlock()) {
// Lower any arguments needed in this block if this is the entry block.
if (!FastIS->LowerArguments()) {
-
+ // Fast isel failed to lower these arguments
if (EnableFastISelAbortArgs)
- // The "fast" selector couldn't lower these arguments. For the
- // purpose of debugging, just abort.
llvm_unreachable("FastISel didn't lower all arguments");
- // Call target indepedent SDISel argument lowering code if the target
- // specific routine is not successful.
- LowerArguments(LLVMBB);
+ // Use SelectionDAG argument lowering
+ LowerArguments(Fn);
CurDAG->setRoot(SDB->getControlRoot());
SDB->clear();
CodeGenAndEmitDAG();
} else {
// Lower any arguments needed in this block if this is the entry block.
if (LLVMBB == &Fn.getEntryBlock())
- LowerArguments(LLVMBB);
+ LowerArguments(Fn);
}
if (Begin != BI)