maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

R600: Move / cleanup more leftover AMDIL stuff. 

llvm-svn: 210998
This commit is contained in:
Matt Arsenault 2014-06-15 20:23:38 +00:00
parent 1578aa78d4
commit 14d4645e46
3 changed files with 30 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
llvm/lib/Target/R600/AMDGPUISelLowering.cpp
View File

@ -348,6 +348,19 @@ MVT AMDGPUTargetLowering::getVectorIdxTy() const {
return MVT::i32;
}
// The backend supports 32 and 64 bit floating point immediates.
// FIXME: Why are we reporting vectors of FP immediates as legal?
bool AMDGPUTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
EVT ScalarVT = VT.getScalarType();
return (ScalarVT == MVT::f32 || MVT::f64);
}
// We don't want to shrink f64 / f32 constants.
bool AMDGPUTargetLowering::ShouldShrinkFPConstant(EVT VT) const {
EVT ScalarVT = VT.getScalarType();
return (ScalarVT != MVT::f32 && ScalarVT != MVT::f64);
}
bool AMDGPUTargetLowering::isLoadBitCastBeneficial(EVT LoadTy,
EVT CastTy) const {
if (LoadTy.getSizeInBits() != CastTy.getSizeInBits())
@ -455,18 +468,16 @@ SDValue AMDGPUTargetLowering::LowerCall(CallLoweringInfo &CLI,
return SDValue();
}
SDValue AMDGPUTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG)
const {
SDValue AMDGPUTargetLowering::LowerOperation(SDValue Op,
SelectionDAG &DAG) const {
switch (Op.getOpcode()) {
default:
Op.getNode()->dump();
llvm_unreachable("Custom lowering code for this"
"instruction is not implemented yet!");
break;
// AMDIL DAG lowering
// AMDGPU DAG lowering.
case ISD::SIGN_EXTEND_INREG: return LowerSIGN_EXTEND_INREG(Op, DAG);
case ISD::BRCOND: return LowerBRCOND(Op, DAG);
// AMDGPU DAG lowering
case ISD::CONCAT_VECTORS: return LowerCONCAT_VECTORS(Op, DAG);
case ISD::EXTRACT_SUBVECTOR: return LowerEXTRACT_SUBVECTOR(Op, DAG);
case ISD::FrameIndex: return LowerFrameIndex(Op, DAG);
@ -475,6 +486,9 @@ SDValue AMDGPUTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG)
case ISD::SREM: return LowerSREM(Op, DAG);
case ISD::UDIVREM: return LowerUDIVREM(Op, DAG);
case ISD::UINT_TO_FP: return LowerUINT_TO_FP(Op, DAG);
// AMDIL DAG lowering.
case ISD::BRCOND: return LowerBRCOND(Op, DAG);
}
return Op;
}

29
llvm/lib/Target/R600/AMDGPUISelLowering.h
View File

@ -53,6 +53,11 @@ private:
SDValue LowerUDIVREM(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
SDValue ExpandSIGN_EXTEND_INREG(SDValue Op,
unsigned BitsDiff,
SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
protected:
static EVT getEquivalentMemType(LLVMContext &Context, EVT VT);
static EVT getEquivalentLoadRegType(LLVMContext &Context, EVT VT);
@ -101,6 +106,10 @@ public:
bool isNarrowingProfitable(EVT VT1, EVT VT2) const override;
MVT getVectorIdxTy() const override;
bool isFPImmLegal(const APFloat &Imm, EVT VT) const override;
bool ShouldShrinkFPConstant(EVT VT) const override;
bool isLoadBitCastBeneficial(EVT, EVT) const override;
SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv,
bool isVarArg,
@ -111,6 +120,7 @@ public:
SmallVectorImpl<SDValue> &InVals) const override;
SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
void ReplaceNodeResults(SDNode * N,
SmallVectorImpl<SDValue> &Results,
SelectionDAG &DAG) const override;
@ -139,26 +149,9 @@ public:
const SelectionDAG &DAG,
unsigned Depth = 0) const override;
// Functions defined in AMDILISelLowering.cpp
public:
bool getTgtMemIntrinsic(IntrinsicInfo &Info,
const CallInst &I, unsigned Intrinsic) const override;
/// We want to mark f32/f64 floating point values as legal.
bool isFPImmLegal(const APFloat &Imm, EVT VT) const override;
/// We don't want to shrink f64/f32 constants.
bool ShouldShrinkFPConstant(EVT VT) const override;
SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
private:
// Functions defined in AMDILISelLowering.cpp
void InitAMDILLowering();
SDValue ExpandSIGN_EXTEND_INREG(SDValue Op,
unsigned BitsDiff,
SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
};

48
llvm/lib/Target/R600/AMDILISelLowering.cpp
View File

@ -13,27 +13,10 @@
//===----------------------------------------------------------------------===//
#include "AMDGPUISelLowering.h"
#include "AMDGPURegisterInfo.h"
#include "AMDGPUSubtarget.h"
#include "AMDILIntrinsicInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetOptions.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
// TargetLowering Implementation Help Functions End
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// TargetLowering Class Implementation Begins
@ -111,37 +94,6 @@ void AMDGPUTargetLowering::InitAMDILLowering() {
setSelectIsExpensive(true); // FIXME: This makes no sense at all
}
bool
AMDGPUTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
const CallInst &I, unsigned Intrinsic) const {
return false;
}
// The backend supports 32 and 64 bit floating point immediates
bool
AMDGPUTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
if (VT.getScalarType().getSimpleVT().SimpleTy == MVT::f32
|| VT.getScalarType().getSimpleVT().SimpleTy == MVT::f64) {
return true;
} else {
return false;
}
}
bool
AMDGPUTargetLowering::ShouldShrinkFPConstant(EVT VT) const {
if (VT.getScalarType().getSimpleVT().SimpleTy == MVT::f32
|| VT.getScalarType().getSimpleVT().SimpleTy == MVT::f64) {
return false;
} else {
return true;
}
}
//===----------------------------------------------------------------------===//
// Other Lowering Hooks
//===----------------------------------------------------------------------===//
SDValue AMDGPUTargetLowering::LowerBRCOND(SDValue Op, SelectionDAG &DAG) const {
SDValue Chain = Op.getOperand(0);
SDValue Cond = Op.getOperand(1);