RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-12-23 12:40:17 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Correct function comments.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47606 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Arnold Schwaighofer 2008-02-26 17:50:59 +00:00
parent aeecb6c73a
commit 16a3e52d08
1 changed files with 23 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
lib/Target/X86/X86ISelLowering.cpp
View File

@ -987,7 +987,8 @@ static unsigned AddLiveIn(MachineFunction &MF, unsigned PReg,
return VReg;
}
// Determines whether a CALL node uses struct return semantics.
/// CallIsStructReturn - Determines whether a CALL node uses struct return
/// semantics.
static bool CallIsStructReturn(SDOperand Op) {
unsigned NumOps = (Op.getNumOperands() - 5) / 2;
if (!NumOps)
@ -997,7 +998,8 @@ static bool CallIsStructReturn(SDOperand Op) {
return Flags->getValue() & ISD::ParamFlags::StructReturn;
}
// Determines whether a FORMAL_ARGUMENTS node uses struct return semantics.
/// ArgsAreStructReturn - Determines whether a FORMAL_ARGUMENTS node uses struct
/// return semantics.
static bool ArgsAreStructReturn(SDOperand Op) {
unsigned NumArgs = Op.Val->getNumValues() - 1;
if (!NumArgs)
@ -1007,8 +1009,9 @@ static bool ArgsAreStructReturn(SDOperand Op) {
return Flags->getValue() & ISD::ParamFlags::StructReturn;
}
// Determines whether a CALL or FORMAL_ARGUMENTS node requires the callee to pop
// its own arguments. Callee pop is necessary to support tail calls.
/// IsCalleePop - Determines whether a CALL or FORMAL_ARGUMENTS node requires the
/// callee to pop its own arguments. Callee pop is necessary to support tail
/// calls.
bool X86TargetLowering::IsCalleePop(SDOperand Op) {
bool IsVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
if (IsVarArg)
@ -1026,7 +1029,8 @@ bool X86TargetLowering::IsCalleePop(SDOperand Op) {
}
}
// Selects the correct CCAssignFn for a CALL or FORMAL_ARGUMENTS node.
/// CCAssignFnForNode - Selects the correct CCAssignFn for a CALL or
/// FORMAL_ARGUMENTS node.
CCAssignFn *X86TargetLowering::CCAssignFnForNode(SDOperand Op) const {
unsigned CC = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
@ -1045,8 +1049,8 @@ CCAssignFn *X86TargetLowering::CCAssignFnForNode(SDOperand Op) const {
return CC_X86_32_C;
}
// Selects the appropriate decoration to apply to a MachineFunction containing a
// given FORMAL_ARGUMENTS node.
/// NameDecorationForFORMAL_ARGUMENTS - Selects the appropriate decoration to
/// apply to a MachineFunction containing a given FORMAL_ARGUMENTS node.
NameDecorationStyle
X86TargetLowering::NameDecorationForFORMAL_ARGUMENTS(SDOperand Op) {
unsigned CC = cast<ConstantSDNode>(Op.getOperand(1))->getValue();
@ -1057,11 +1061,11 @@ X86TargetLowering::NameDecorationForFORMAL_ARGUMENTS(SDOperand Op) {
return None;
}
// IsPossiblyOverwrittenArgumentOfTailCall - Check if the operand could possibly
// be overwritten when lowering the outgoing arguments in a tail call. Currently
// the implementation of this call is very conservative and assumes all
// arguments sourcing from FORMAL_ARGUMENTS or a CopyFromReg with virtual
// registers would be overwritten by direct lowering.
/// IsPossiblyOverwrittenArgumentOfTailCall - Check if the operand could
/// possibly be overwritten when lowering the outgoing arguments in a tail
/// call. Currently the implementation of this call is very conservative and
/// assumes all arguments sourcing from FORMAL_ARGUMENTS or a CopyFromReg with
/// virtual registers would be overwritten by direct lowering.
static bool IsPossiblyOverwrittenArgumentOfTailCall(SDOperand Op,
MachineFrameInfo * MFI) {
RegisterSDNode * OpReg = NULL;
@ -1079,9 +1083,9 @@ static bool IsPossiblyOverwrittenArgumentOfTailCall(SDOperand Op,
return false;
}
// CopyTailCallClobberedArgumentsToVRegs - Create virtual registers for all
// arguments to force loading and guarantee that arguments sourcing from
// incomming parameters are not overwriting each other.
/// CopyTailCallClobberedArgumentsToVRegs - Create virtual registers for all
/// arguments to force loading and guarantee that arguments sourcing from
/// incomming parameters are not overwriting each other.
static SDOperand
CopyTailCallClobberedArgumentsToVRegs(SDOperand Chain,
SmallVector<std::pair<unsigned, SDOperand>, 8> &TailCallClobberedVRegs,
@ -1106,10 +1110,10 @@ CopyTailCallClobberedArgumentsToVRegs(SDOperand Chain,
return Chain;
}
// CreateCopyOfByValArgument - Make a copy of an aggregate at address specified
// by "Src" to address "Dst" with size and alignment information specified by
// the specific parameter attribute. The copy will be passed as a byval function
// parameter.
/// CreateCopyOfByValArgument - Make a copy of an aggregate at address specified
/// by "Src" to address "Dst" with size and alignment information specified by
/// the specific parameter attribute. The copy will be passed as a byval function
/// parameter.
static SDOperand
CreateCopyOfByValArgument(SDOperand Src, SDOperand Dst, SDOperand Chain,
unsigned Flags, SelectionDAG &DAG) {