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Simplify this code to not depend as much on CurMBB.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79068 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-08-15 02:06:22 +00:00
parent 010b1b9e7b
commit 0d24bfbf92
1 changed files with 15 additions and 16 deletions
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31
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -1239,7 +1239,7 @@ void SelectionDAGLowering::visitBr(BranchInst &I) {
// Figure out which block is immediately after the current one.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CurMBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
if (I.isUnconditional()) {
@ -1300,7 +1300,7 @@ void SelectionDAGLowering::visitBr(BranchInst &I) {
// Okay, we decided not to do this, remove any inserted MBB's and clear
// SwitchCases.
for (unsigned i = 1, e = SwitchCases.size(); i != e; ++i)
CurMBB->getParent()->erase(SwitchCases[i].ThisBB);
FuncInfo.MF->erase(SwitchCases[i].ThisBB);
SwitchCases.clear();
}
@ -1362,7 +1362,7 @@ void SelectionDAGLowering::visitSwitchCase(CaseBlock &CB) {
// This is used to avoid emitting unnecessary branches to the next block.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CurMBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
// If the lhs block is the next block, invert the condition so that we can
@ -1447,7 +1447,7 @@ void SelectionDAGLowering::visitJumpTableHeader(JumpTable &JT,
// This is used to avoid emitting unnecessary branches to the next block.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CurMBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
SDValue BrCond = DAG.getNode(ISD::BRCOND, getCurDebugLoc(),
@ -1492,7 +1492,7 @@ void SelectionDAGLowering::visitBitTestHeader(BitTestBlock &B) {
// This is used to avoid emitting unnecessary branches to the next block.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CurMBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
MachineBasicBlock* MBB = B.Cases[0].ThisBB;
@ -1543,7 +1543,7 @@ void SelectionDAGLowering::visitBitTestCase(MachineBasicBlock* NextMBB,
// This is used to avoid emitting unnecessary branches to the next block.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CurMBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
if (NextMBB == NextBlock)
@ -1596,13 +1596,13 @@ bool SelectionDAGLowering::handleSmallSwitchRange(CaseRec& CR,
// Get the MachineFunction which holds the current MBB. This is used when
// inserting any additional MBBs necessary to represent the switch.
MachineFunction *CurMF = CurMBB->getParent();
MachineFunction *CurMF = FuncInfo.MF;
// Figure out which block is immediately after the current one.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CR.CaseBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
// TODO: If any two of the cases has the same destination, and if one value
@ -1710,13 +1710,13 @@ bool SelectionDAGLowering::handleJTSwitchCase(CaseRec& CR,
// Get the MachineFunction which holds the current MBB. This is used when
// inserting any additional MBBs necessary to represent the switch.
MachineFunction *CurMF = CurMBB->getParent();
MachineFunction *CurMF = FuncInfo.MF;
// Figure out which block is immediately after the current one.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CR.CaseBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
const BasicBlock *LLVMBB = CR.CaseBB->getBasicBlock();
@ -1783,13 +1783,13 @@ bool SelectionDAGLowering::handleBTSplitSwitchCase(CaseRec& CR,
MachineBasicBlock* Default) {
// Get the MachineFunction which holds the current MBB. This is used when
// inserting any additional MBBs necessary to represent the switch.
MachineFunction *CurMF = CurMBB->getParent();
MachineFunction *CurMF = FuncInfo.MF;
// Figure out which block is immediately after the current one.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CR.CaseBB;
if (++BBI != CurMBB->getParent()->end())
if (++BBI != FuncInfo.MF->end())
NextBlock = BBI;
Case& FrontCase = *CR.Range.first;
@ -1918,7 +1918,7 @@ bool SelectionDAGLowering::handleBitTestsSwitchCase(CaseRec& CR,
// Get the MachineFunction which holds the current MBB. This is used when
// inserting any additional MBBs necessary to represent the switch.
MachineFunction *CurMF = CurMBB->getParent();
MachineFunction *CurMF = FuncInfo.MF;
// If target does not have legal shift left, do not emit bit tests at all.
if (!TLI.isOperationLegal(ISD::SHL, TLI.getPointerTy()))
@ -2082,7 +2082,6 @@ size_t SelectionDAGLowering::Clusterify(CaseVector& Cases,
void SelectionDAGLowering::visitSwitch(SwitchInst &SI) {
// Figure out which block is immediately after the current one.
MachineBasicBlock *NextBlock = 0;
MachineFunction::iterator BBI = CurMBB;
MachineBasicBlock *Default = FuncInfo.MBBMap[SI.getDefaultDest()];
@ -2777,7 +2776,7 @@ void SelectionDAGLowering::visitAlloca(AllocaInst &I) {
// Inform the Frame Information that we have just allocated a variable-sized
// object.
CurMBB->getParent()->getFrameInfo()->CreateVariableSizedObject();
FuncInfo.MF->getFrameInfo()->CreateVariableSizedObject();
}
void SelectionDAGLowering::visitLoad(LoadInst &I) {
@ -4898,7 +4897,7 @@ void SelectionDAGLowering::
GetRegistersForValue(SDISelAsmOperandInfo &OpInfo,
std::set<unsigned> &OutputRegs,
std::set<unsigned> &InputRegs) {
LLVMContext &Context = CurMBB->getParent()->getFunction()->getContext();
LLVMContext &Context = FuncInfo.Fn->getContext();
// Compute whether this value requires an input register, an output register,
// or both.