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For PR1146:

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Adapt handling of parameter attributes to use the new ParamAttrsList class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35814 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-04-09 06:17:21 +00:00
parent 7b5d466c88
commit 5694b6e90e
5 changed files with 116 additions and 69 deletions
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lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+17 -13
View File
@@ -25,6 +25,7 @@
#include "llvm/Instructions.h"
#include "llvm/Intrinsics.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/ParameterAttributes.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
@@ -802,10 +803,11 @@ void SelectionDAGLowering::visitRet(ReturnInst &I) {
else
TmpVT = MVT::i32;
const FunctionType *FTy = I.getParent()->getParent()->getFunctionType();
const ParamAttrsList *Attrs = FTy->getParamAttrs();
ISD::NodeType ExtendKind = ISD::ANY_EXTEND;
if (FTy->paramHasAttr(0, FunctionType::SExtAttribute))
if (Attrs && Attrs->paramHasAttr(0, SExtAttribute))
ExtendKind = ISD::SIGN_EXTEND;
if (FTy->paramHasAttr(0, FunctionType::ZExtAttribute))
if (Attrs && Attrs->paramHasAttr(0, ZExtAttribute))
ExtendKind = ISD::ZERO_EXTEND;
RetOp = DAG.getNode(ExtendKind, TmpVT, RetOp);
}
@@ -2508,6 +2510,7 @@ void SelectionDAGLowering::LowerCallTo(Instruction &I,
SDOperand Callee, unsigned OpIdx) {
const PointerType *PT = cast<PointerType>(CalledValueTy);
const FunctionType *FTy = cast<FunctionType>(PT->getElementType());
const ParamAttrsList *Attrs = FTy->getParamAttrs();
TargetLowering::ArgListTy Args;
TargetLowering::ArgListEntry Entry;
@@ -2516,16 +2519,16 @@ void SelectionDAGLowering::LowerCallTo(Instruction &I,
Value *Arg = I.getOperand(i);
SDOperand ArgNode = getValue(Arg);
Entry.Node = ArgNode; Entry.Ty = Arg->getType();
Entry.isSExt = FTy->paramHasAttr(i, FunctionType::SExtAttribute);
Entry.isZExt = FTy->paramHasAttr(i, FunctionType::ZExtAttribute);
Entry.isInReg = FTy->paramHasAttr(i, FunctionType::InRegAttribute);
Entry.isSRet = FTy->paramHasAttr(i, FunctionType::StructRetAttribute);
Entry.isSExt = Attrs && Attrs->paramHasAttr(i, SExtAttribute);
Entry.isZExt = Attrs && Attrs->paramHasAttr(i, ZExtAttribute);
Entry.isInReg = Attrs && Attrs->paramHasAttr(i, InRegAttribute);
Entry.isSRet = Attrs && Attrs->paramHasAttr(i, StructRetAttribute);
Args.push_back(Entry);
}
std::pair<SDOperand,SDOperand> Result =
TLI.LowerCallTo(getRoot(), I.getType(),
FTy->paramHasAttr(0,FunctionType::SExtAttribute),
Attrs && Attrs->paramHasAttr(0, SExtAttribute),
FTy->isVarArg(), CallingConv, IsTailCall,
Callee, Args, DAG);
if (I.getType() != Type::VoidTy)
@@ -3346,6 +3349,7 @@ static SDOperand ExpandScalarFormalArgs(MVT::ValueType VT, SDNode *Arg,
std::vector<SDOperand>
TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
const FunctionType *FTy = F.getFunctionType();
const ParamAttrsList *Attrs = FTy->getParamAttrs();
// Add CC# and isVararg as operands to the FORMAL_ARGUMENTS node.
std::vector<SDOperand> Ops;
Ops.push_back(DAG.getRoot());
@@ -3364,13 +3368,13 @@ TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
// FIXME: Distinguish between a formal with no [sz]ext attribute from one
// that is zero extended!
if (FTy->paramHasAttr(j, FunctionType::ZExtAttribute))
if (Attrs && Attrs->paramHasAttr(j, ZExtAttribute))
Flags &= ~(ISD::ParamFlags::SExt);
if (FTy->paramHasAttr(j, FunctionType::SExtAttribute))
if (Attrs && Attrs->paramHasAttr(j, SExtAttribute))
Flags |= ISD::ParamFlags::SExt;
if (FTy->paramHasAttr(j, FunctionType::InRegAttribute))
if (Attrs && Attrs->paramHasAttr(j, InRegAttribute))
Flags |= ISD::ParamFlags::InReg;
if (FTy->paramHasAttr(j, FunctionType::StructRetAttribute))
if (Attrs && Attrs->paramHasAttr(j, StructRetAttribute))
Flags |= ISD::ParamFlags::StructReturn;
Flags |= (OriginalAlignment << ISD::ParamFlags::OrigAlignmentOffs);
@@ -3444,10 +3448,10 @@ TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
case Promote: {
SDOperand Op(Result, i++);
if (MVT::isInteger(VT)) {
if (FTy->paramHasAttr(Idx, FunctionType::SExtAttribute))
if (Attrs && Attrs->paramHasAttr(Idx, SExtAttribute))
Op = DAG.getNode(ISD::AssertSext, Op.getValueType(), Op,
DAG.getValueType(VT));
else if (FTy->paramHasAttr(Idx, FunctionType::ZExtAttribute))
else if (Attrs && Attrs->paramHasAttr(Idx, ZExtAttribute))
Op = DAG.getNode(ISD::AssertZext, Op.getValueType(), Op,
DAG.getValueType(VT));
Op = DAG.getNode(ISD::TRUNCATE, VT, Op);