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Adjust to new API, add expandCall stub 

llvm-svn: 7873
This commit is contained in:
Chris Lattner 2003-08-15 04:51:59 +00:00
parent 7235d86507
commit 3830ba4cd8
1 changed files with 10 additions and 10 deletions
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20
llvm/lib/Target/X86/InstSelectPattern.cpp
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@ -21,12 +21,6 @@
// Include the generated instruction selector...
#include "X86GenInstrSelector.inc"
//===----------------------------------------------------------------------===//
// User code
//
namespace {
struct ISel : public FunctionPass, SelectionDAGTargetBuilder {
TargetMachine &TM;
@ -49,12 +43,14 @@ namespace {
public: // Implementation of the SelectionDAGTargetBuilder class...
/// expandArguments - Add nodes to the DAG to indicate how to load arguments
/// off of the X86 stack.
void expandArguments(SelectionDAG &SD, MachineFunction &MF);
void expandArguments(SelectionDAG &SD);
void expandCall(SelectionDAG &SD, CallInst &CI);
};
}
void ISel::expandArguments(SelectionDAG &SD, MachineFunction &F) {
void ISel::expandArguments(SelectionDAG &SD) {
// Add DAG nodes to load the arguments... On entry to a function on the X86,
// the stack frame looks like this:
//
@ -63,10 +59,11 @@ void ISel::expandArguments(SelectionDAG &SD, MachineFunction &F) {
// [ESP + 8] -- second argument, if first argument is four bytes in size
// ...
//
unsigned ArgOffset = 0; // Frame mechanisms handle retaddr slot
MachineFunction &F = SD.getMachineFunction();
MachineFrameInfo *MFI = F.getFrameInfo();
const Function &Fn = *F.getFunction();
unsigned ArgOffset = 0; // Frame mechanisms handle retaddr slot
for (Function::const_aiterator I = Fn.abegin(), E = Fn.aend(); I != E; ++I) {
MVT::ValueType ObjectVT = SD.getValueType(I->getType());
unsigned ArgIncrement = 4;
@ -84,7 +81,6 @@ void ISel::expandArguments(SelectionDAG &SD, MachineFunction &F) {
int FI = MFI->CreateFixedObject(ObjSize, ArgOffset);
// Create the SelectionDAG nodes corresponding to a load from this parameter
// FIXME:
SelectionDAGNode *FIN = new SelectionDAGNode(ISD::FrameIndex, MVT::i32);
FIN->addValue(new ReducedValue_FrameIndex_i32(FI));
@ -107,6 +103,10 @@ void ISel::expandArguments(SelectionDAG &SD, MachineFunction &F) {
VarArgsFrameIndex = MFI->CreateFixedObject(1, ArgOffset);
}
void ISel::expandCall(SelectionDAG &SD, CallInst &CI) {
assert(0 && "ISel::expandCall not implemented!");
}
/// createX86PatternInstructionSelector - This pass converts an LLVM function
/// into a machine code representation using pattern matching and a machine