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authorAndrew Trick <atrick@apple.com>2011-09-20 03:06:13 +0000
committerAndrew Trick <atrick@apple.com>2011-09-20 03:06:13 +0000
commit3af7a67629292840f0dbae8fad4e333b009e69dd (patch)
treeb16081f8cdcc9c8b5a78b437ff6951d3846009ea /lib/CodeGen/SelectionDAG/InstrEmitter.cpp
parenta54b3ac96e0c81da92f43e6b659a68a151718011 (diff)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140133 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/InstrEmitter.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/InstrEmitter.cpp52
1 files changed, 26 insertions, 26 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index 1e45ec6d11..e2e906afa6 100644
--- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -87,7 +87,7 @@ EmitCopyFromReg(SDNode *Node, unsigned ResNo, bool IsClone, bool IsCloned,
UI != E; ++UI) {
SDNode *User = *UI;
bool Match = true;
- if (User->getOpcode() == ISD::CopyToReg &&
+ if (User->getOpcode() == ISD::CopyToReg &&
User->getOperand(2).getNode() == Node &&
User->getOperand(2).getResNo() == ResNo) {
unsigned DestReg = cast<RegisterSDNode>(User->getOperand(1))->getReg();
@@ -139,7 +139,7 @@ EmitCopyFromReg(SDNode *Node, unsigned ResNo, bool IsClone, bool IsCloned,
} else {
DstRC = TLI->getRegClassFor(VT);
}
-
+
// If all uses are reading from the src physical register and copying the
// register is either impossible or very expensive, then don't create a copy.
if (MatchReg && SrcRC->getCopyCost() < 0) {
@@ -167,7 +167,7 @@ unsigned InstrEmitter::getDstOfOnlyCopyToRegUse(SDNode *Node,
return 0;
SDNode *User = *Node->use_begin();
- if (User->getOpcode() == ISD::CopyToReg &&
+ if (User->getOpcode() == ISD::CopyToReg &&
User->getOperand(2).getNode() == Node &&
User->getOperand(2).getResNo() == ResNo) {
unsigned Reg = cast<RegisterSDNode>(User->getOperand(1))->getReg();
@@ -202,7 +202,7 @@ void InstrEmitter::CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
for (SDNode::use_iterator UI = Node->use_begin(), E = Node->use_end();
UI != E; ++UI) {
SDNode *User = *UI;
- if (User->getOpcode() == ISD::CopyToReg &&
+ if (User->getOpcode() == ISD::CopyToReg &&
User->getOperand(2).getNode() == Node &&
User->getOperand(2).getResNo() == i) {
unsigned Reg = cast<RegisterSDNode>(User->getOperand(1))->getReg();
@@ -326,7 +326,7 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op,
/// AddOperand - Add the specified operand to the specified machine instr. II
/// specifies the instruction information for the node, and IIOpNum is the
-/// operand number (in the II) that we are adding. IIOpNum and II are used for
+/// operand number (in the II) that we are adding. IIOpNum and II are used for
/// assertions only.
void InstrEmitter::AddOperand(MachineInstr *MI, SDValue Op,
unsigned IIOpNum,
@@ -365,7 +365,7 @@ void InstrEmitter::AddOperand(MachineInstr *MI, SDValue Op,
Align = TM->getTargetData()->getTypeAllocSize(Type);
}
}
-
+
unsigned Idx;
MachineConstantPool *MCP = MF->getConstantPool();
if (CP->isMachineConstantPoolEntry())
@@ -406,18 +406,18 @@ getSuperRegisterRegClass(const TargetRegisterClass *TRC,
/// EmitSubregNode - Generate machine code for subreg nodes.
///
-void InstrEmitter::EmitSubregNode(SDNode *Node,
+void InstrEmitter::EmitSubregNode(SDNode *Node,
DenseMap<SDValue, unsigned> &VRBaseMap,
bool IsClone, bool IsCloned) {
unsigned VRBase = 0;
unsigned Opc = Node->getMachineOpcode();
-
+
// If the node is only used by a CopyToReg and the dest reg is a vreg, use
// the CopyToReg'd destination register instead of creating a new vreg.
for (SDNode::use_iterator UI = Node->use_begin(), E = Node->use_end();
UI != E; ++UI) {
SDNode *User = *UI;
- if (User->getOpcode() == ISD::CopyToReg &&
+ if (User->getOpcode() == ISD::CopyToReg &&
User->getOperand(2).getNode() == Node) {
unsigned DestReg = cast<RegisterSDNode>(User->getOperand(1))->getReg();
if (TargetRegisterInfo::isVirtualRegister(DestReg)) {
@@ -426,7 +426,7 @@ void InstrEmitter::EmitSubregNode(SDNode *Node,
}
}
}
-
+
if (Opc == TargetOpcode::EXTRACT_SUBREG) {
// EXTRACT_SUBREG is lowered as %dst = COPY %src:sub
unsigned SubIdx = cast<ConstantSDNode>(Node->getOperand(1))->getZExtValue();
@@ -498,7 +498,7 @@ void InstrEmitter::EmitSubregNode(SDNode *Node,
// Create the insert_subreg or subreg_to_reg machine instruction.
MachineInstr *MI = BuildMI(*MF, Node->getDebugLoc(), TII->get(Opc));
MI->addOperand(MachineOperand::CreateReg(VRBase, true));
-
+
// If creating a subreg_to_reg, then the first input operand
// is an implicit value immediate, otherwise it's a register
if (Opc == TargetOpcode::SUBREG_TO_REG) {
@@ -514,7 +514,7 @@ void InstrEmitter::EmitSubregNode(SDNode *Node,
MBB->insert(InsertPos, MI);
} else
llvm_unreachable("Node is not insert_subreg, extract_subreg, or subreg_to_reg");
-
+
SDValue Op(Node, 0);
bool isNew = VRBaseMap.insert(std::make_pair(Op, VRBase)).second;
(void)isNew; // Silence compiler warning.
@@ -643,9 +643,9 @@ void InstrEmitter::
EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned,
DenseMap<SDValue, unsigned> &VRBaseMap) {
unsigned Opc = Node->getMachineOpcode();
-
+
// Handle subreg insert/extract specially
- if (Opc == TargetOpcode::EXTRACT_SUBREG ||
+ if (Opc == TargetOpcode::EXTRACT_SUBREG ||
Opc == TargetOpcode::INSERT_SUBREG ||
Opc == TargetOpcode::SUBREG_TO_REG) {
EmitSubregNode(Node, VRBaseMap, IsClone, IsCloned);
@@ -667,7 +667,7 @@ EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned,
if (Opc == TargetOpcode::IMPLICIT_DEF)
// We want a unique VR for each IMPLICIT_DEF use.
return;
-
+
const MCInstrDesc &II = TII->get(Opc);
unsigned NumResults = CountResults(Node);
unsigned NodeOperands = CountOperands(Node);
@@ -712,12 +712,12 @@ EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned,
// Then mark unused registers as dead.
MI->setPhysRegsDeadExcept(UsedRegs, *TRI);
}
-
+
// Add result register values for things that are defined by this
// instruction.
if (NumResults)
CreateVirtualRegisters(Node, MI, II, IsClone, IsCloned, VRBaseMap);
-
+
// Emit all of the actual operands of this instruction, adding them to the
// instruction as appropriate.
bool HasOptPRefs = II.getNumDefs() > NumResults;
@@ -751,7 +751,7 @@ EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned,
MI->addRegisterDead(Reg, TRI);
}
}
-
+
// If the instruction has implicit defs and the node doesn't, mark the
// implicit def as dead. If the node has any glue outputs, we don't do this
// because we don't know what implicit defs are being used by glued nodes.
@@ -792,7 +792,7 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
SrcReg = R->getReg();
else
SrcReg = getVR(SrcVal, VRBaseMap);
-
+
unsigned DestReg = cast<RegisterSDNode>(Node->getOperand(1))->getReg();
if (SrcReg == DestReg) // Coalesced away the copy? Ignore.
break;
@@ -812,12 +812,12 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
TII->get(TargetOpcode::EH_LABEL)).addSym(S);
break;
}
-
+
case ISD::INLINEASM: {
unsigned NumOps = Node->getNumOperands();
if (Node->getOperand(NumOps-1).getValueType() == MVT::Glue)
--NumOps; // Ignore the glue operand.
-
+
// Create the inline asm machine instruction.
MachineInstr *MI = BuildMI(*MF, Node->getDebugLoc(),
TII->get(TargetOpcode::INLINEASM));
@@ -826,7 +826,7 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
SDValue AsmStrV = Node->getOperand(InlineAsm::Op_AsmString);
const char *AsmStr = cast<ExternalSymbolSDNode>(AsmStrV)->getSymbol();
MI->addOperand(MachineOperand::CreateES(AsmStr));
-
+
// Add the HasSideEffect and isAlignStack bits.
int64_t ExtraInfo =
cast<ConstantSDNode>(Node->getOperand(InlineAsm::Op_ExtraInfo))->
@@ -838,10 +838,10 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
unsigned Flags =
cast<ConstantSDNode>(Node->getOperand(i))->getZExtValue();
unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags);
-
+
MI->addOperand(MachineOperand::CreateImm(Flags));
++i; // Skip the ID value.
-
+
switch (InlineAsm::getKind(Flags)) {
default: llvm_unreachable("Bad flags!");
case InlineAsm::Kind_RegDef:
@@ -877,13 +877,13 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
break;
}
}
-
+
// Get the mdnode from the asm if it exists and add it to the instruction.
SDValue MDV = Node->getOperand(InlineAsm::Op_MDNode);
const MDNode *MD = cast<MDNodeSDNode>(MDV)->getMD();
if (MD)
MI->addOperand(MachineOperand::CreateMetadata(MD));
-
+
MBB->insert(InsertPos, MI);
break;
}