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AMDGPU: Cleanup custom PseudoSourceValue definitions 

Use separate enums for each kind, avoid repeating overloads, and add
missing classof implementation.

llvm-svn: 363558
This commit is contained in:
Matt Arsenault 2019-06-17 13:52:15 +00:00
parent 2dda1ff038
commit e683eba0ed
1 changed files with 23 additions and 16 deletions
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39
llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h
View File

@ -39,12 +39,18 @@ class MachineFrameInfo;
class MachineFunction;
class TargetRegisterClass;
class AMDGPUImagePseudoSourceValue : public PseudoSourceValue {
class AMDGPUPseudoSourceValue : public PseudoSourceValue {
public:
// TODO: Is the img rsrc useful?
explicit AMDGPUImagePseudoSourceValue(const TargetInstrInfo &TII) :
PseudoSourceValue(PseudoSourceValue::TargetCustom, TII) {}
enum AMDGPUPSVKind : unsigned {
PSVBuffer = PseudoSourceValue::TargetCustom,
PSVImage
};
protected:
AMDGPUPseudoSourceValue(unsigned Kind, const TargetInstrInfo &TII)
: PseudoSourceValue(Kind, TII) {}
public:
bool isConstant(const MachineFrameInfo *) const override {
// This should probably be true for most images, but we will start by being
// conservative.
@ -60,23 +66,24 @@ public:
}
};
class AMDGPUBufferPseudoSourceValue : public PseudoSourceValue {
class AMDGPUBufferPseudoSourceValue final : public AMDGPUPseudoSourceValue {
public:
explicit AMDGPUBufferPseudoSourceValue(const TargetInstrInfo &TII) :
PseudoSourceValue(PseudoSourceValue::TargetCustom, TII) { }
explicit AMDGPUBufferPseudoSourceValue(const TargetInstrInfo &TII)
: AMDGPUPseudoSourceValue(PSVBuffer, TII) {}
bool isConstant(const MachineFrameInfo *) const override {
// This should probably be true for most images, but we will start by being
// conservative.
return false;
static bool classof(const PseudoSourceValue *V) {
return V->kind() == PSVBuffer;
}
};
bool isAliased(const MachineFrameInfo *) const override {
return true;
}
class AMDGPUImagePseudoSourceValue final : public AMDGPUPseudoSourceValue {
public:
// TODO: Is the img rsrc useful?
explicit AMDGPUImagePseudoSourceValue(const TargetInstrInfo &TII)
: AMDGPUPseudoSourceValue(PSVImage, TII) {}
bool mayAlias(const MachineFrameInfo *) const override {
return true;
static bool classof(const PseudoSourceValue *V) {
return V->kind() == PSVImage;
}
};