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Indent stuff properly 

llvm-svn: 61396
This commit is contained in:
Anton Korobeynikov 2008-12-23 22:25:45 +00:00
parent 6f219132a7
commit 05149bad18
1 changed files with 25 additions and 25 deletions
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50
llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -1343,19 +1343,19 @@ void SelectionDAGLowering::visitJumpTable(JumpTable &JT) {
/// in the JumpTable from switch case.
void SelectionDAGLowering::visitJumpTableHeader(JumpTable &JT,
JumpTableHeader &JTH) {
// Subtract the lowest switch case value from the value being switched on
// and conditional branch to default mbb if the result is greater than the
// Subtract the lowest switch case value from the value being switched on and
// conditional branch to default mbb if the result is greater than the
// difference between smallest and largest cases.
SDValue SwitchOp = getValue(JTH.SValue);
MVT VT = SwitchOp.getValueType();
SDValue SUB = DAG.getNode(ISD::SUB, VT, SwitchOp,
DAG.getConstant(JTH.First, VT));
DAG.getConstant(JTH.First, VT));
// The SDNode we just created, which holds the value being switched on
// minus the the smallest case value, needs to be copied to a virtual
// register so it can be used as an index into the jump table in a
// subsequent basic block. This value may be smaller or larger than the
// target's pointer type, and therefore require extension or truncating.
// The SDNode we just created, which holds the value being switched on minus
// the the smallest case value, needs to be copied to a virtual register so it
// can be used as an index into the jump table in a subsequent basic block.
// This value may be smaller or larger than the target's pointer type, and
// therefore require extension or truncating.
if (VT.bitsGT(TLI.getPointerTy()))
SwitchOp = DAG.getNode(ISD::TRUNCATE, TLI.getPointerTy(), SUB);
else
@ -1365,12 +1365,12 @@ void SelectionDAGLowering::visitJumpTableHeader(JumpTable &JT,
SDValue CopyTo = DAG.getCopyToReg(getControlRoot(), JumpTableReg, SwitchOp);
JT.Reg = JumpTableReg;
// Emit the range check for the jump table, and branch to the default
// block for the switch statement if the value being switched on exceeds
// the largest case in the switch.
// Emit the range check for the jump table, and branch to the default block
// for the switch statement if the value being switched on exceeds the largest
// case in the switch.
SDValue CMP = DAG.getSetCC(TLI.getSetCCResultType(SUB), SUB,
DAG.getConstant(JTH.Last-JTH.First,VT),
ISD::SETUGT);
DAG.getConstant(JTH.Last-JTH.First,VT),
ISD::SETUGT);
// Set NextBlock to be the MBB immediately after the current one, if any.
// This is used to avoid emitting unnecessary branches to the next block.
@ -1380,12 +1380,12 @@ void SelectionDAGLowering::visitJumpTableHeader(JumpTable &JT,
NextBlock = BBI;
SDValue BrCond = DAG.getNode(ISD::BRCOND, MVT::Other, CopyTo, CMP,
DAG.getBasicBlock(JT.Default));
DAG.getBasicBlock(JT.Default));
if (JT.MBB == NextBlock)
DAG.setRoot(BrCond);
else
DAG.setRoot(DAG.getNode(ISD::BR, MVT::Other, BrCond,
DAG.setRoot(DAG.getNode(ISD::BR, MVT::Other, BrCond,
DAG.getBasicBlock(JT.MBB)));
return;
@ -1398,12 +1398,12 @@ void SelectionDAGLowering::visitBitTestHeader(BitTestBlock &B) {
SDValue SwitchOp = getValue(B.SValue);
MVT VT = SwitchOp.getValueType();
SDValue SUB = DAG.getNode(ISD::SUB, VT, SwitchOp,
DAG.getConstant(B.First, VT));
DAG.getConstant(B.First, VT));
// Check range
SDValue RangeCmp = DAG.getSetCC(TLI.getSetCCResultType(SUB), SUB,
DAG.getConstant(B.Range, VT),
ISD::SETUGT);
DAG.getConstant(B.Range, VT),
ISD::SETUGT);
SDValue ShiftOp;
if (VT.bitsGT(TLI.getShiftAmountTy()))
@ -1413,8 +1413,8 @@ void SelectionDAGLowering::visitBitTestHeader(BitTestBlock &B) {
// Make desired shift
SDValue SwitchVal = DAG.getNode(ISD::SHL, TLI.getPointerTy(),
DAG.getConstant(1, TLI.getPointerTy()),
ShiftOp);
DAG.getConstant(1, TLI.getPointerTy()),
ShiftOp);
unsigned SwitchReg = FuncInfo.MakeReg(TLI.getPointerTy());
SDValue CopyTo = DAG.getCopyToReg(getControlRoot(), SwitchReg, SwitchVal);
@ -1433,7 +1433,7 @@ void SelectionDAGLowering::visitBitTestHeader(BitTestBlock &B) {
CurMBB->addSuccessor(MBB);
SDValue BrRange = DAG.getNode(ISD::BRCOND, MVT::Other, CopyTo, RangeCmp,
DAG.getBasicBlock(B.Default));
DAG.getBasicBlock(B.Default));
if (MBB == NextBlock)
DAG.setRoot(BrRange);
@ -1453,16 +1453,16 @@ void SelectionDAGLowering::visitBitTestCase(MachineBasicBlock* NextMBB,
TLI.getPointerTy());
SDValue AndOp = DAG.getNode(ISD::AND, TLI.getPointerTy(), SwitchVal,
DAG.getConstant(B.Mask, TLI.getPointerTy()));
DAG.getConstant(B.Mask, TLI.getPointerTy()));
SDValue AndCmp = DAG.getSetCC(TLI.getSetCCResultType(AndOp), AndOp,
DAG.getConstant(0, TLI.getPointerTy()),
ISD::SETNE);
DAG.getConstant(0, TLI.getPointerTy()),
ISD::SETNE);
CurMBB->addSuccessor(B.TargetBB);
CurMBB->addSuccessor(NextMBB);
SDValue BrAnd = DAG.getNode(ISD::BRCOND, MVT::Other, getControlRoot(),
AndCmp, DAG.getBasicBlock(B.TargetBB));
AndCmp, DAG.getBasicBlock(B.TargetBB));
// Set NextBlock to be the MBB immediately after the current one, if any.
// This is used to avoid emitting unnecessary branches to the next block.