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[HLSL] Refactoring DXILABI.h to not depend on scope printer #153840

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Merged
merged 6 commits into from
Aug 16, 2025
Merged

[HLSL] Refactoring DXILABI.h to not depend on scope printer #153840

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f2d933e
refactoring
Aug 15, 2025
9073f07
clean up
Aug 15, 2025
1f4332c
removing API and removing enumToStringRef
Aug 15, 2025
be68476
fix
Aug 15, 2025
02a7c17
refactor
Aug 15, 2025
7b84bca
fix
Aug 15, 2025
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3 changes: 0 additions & 3 deletions llvm/include/llvm/Support/DXILABI.h
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,6 @@
#define LLVM_SUPPORT_DXILABI_H

#include "llvm/ADT/StringRef.h"
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Can also replace this StringRef.h include with a forward declaration.

#include "llvm/Support/ScopedPrinter.h"
#include <cstdint>

namespace llvm {
Expand Down Expand Up @@ -101,8 +100,6 @@ enum class SamplerFeedbackType : uint32_t {
const unsigned MinWaveSize = 4;
const unsigned MaxWaveSize = 128;

LLVM_ABI ArrayRef<EnumEntry<ResourceClass>> getResourceClasses();

LLVM_ABI StringRef getResourceClassName(ResourceClass RC);

} // namespace dxil
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5 changes: 2 additions & 3 deletions llvm/lib/Frontend/HLSL/HLSLRootSignature.cpp
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Expand Up @@ -11,6 +11,7 @@
//===----------------------------------------------------------------------===//

#include "llvm/Frontend/HLSL/HLSLRootSignature.h"
#include "llvm/Support/DXILABI.h"
#include "llvm/Support/ScopedPrinter.h"

namespace llvm {
Expand Down Expand Up @@ -93,9 +94,7 @@ static raw_ostream &operator<<(raw_ostream &OS,
}

static raw_ostream &operator<<(raw_ostream &OS, const ClauseType &Type) {
OS << enumToStringRef(dxil::ResourceClass(llvm::to_underlying(Type)),
dxil::getResourceClasses());

OS << dxil::getResourceClassName(dxil::ResourceClass(Type));
return OS;
}

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6 changes: 2 additions & 4 deletions llvm/lib/Frontend/HLSL/RootSignatureMetadata.cpp
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Expand Up @@ -120,8 +120,7 @@ MDNode *MetadataBuilder::BuildRootConstants(const RootConstants &Constants) {
MDNode *MetadataBuilder::BuildRootDescriptor(const RootDescriptor &Descriptor) {
IRBuilder<> Builder(Ctx);
StringRef ResName =
enumToStringRef(dxil::ResourceClass(to_underlying(Descriptor.Type)),
dxil::getResourceClasses());
dxil::getResourceClassName(dxil::ResourceClass(Descriptor.Type));
assert(!ResName.empty() && "Provided an invalid Resource Class");
SmallString<7> Name({"Root", ResName});
Metadata *Operands[] = {
Expand Down Expand Up @@ -162,8 +161,7 @@ MDNode *MetadataBuilder::BuildDescriptorTableClause(
const DescriptorTableClause &Clause) {
IRBuilder<> Builder(Ctx);
StringRef ResName =
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Not the same enum @llvm-beanz

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llvm-project/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h

Line 85 in b7d6f48

using ClauseType = llvm::dxil::ResourceClass;

enumToStringRef(dxil::ResourceClass(to_underlying(Clause.Type)),
dxil::getResourceClasses());
dxil::getResourceClassName(dxil::ResourceClass(Clause.Type));
assert(!ResName.empty() && "Provided an invalid Resource Class");
Metadata *Operands[] = {
MDString::get(Ctx, ResName),
Expand Down
25 changes: 12 additions & 13 deletions llvm/lib/Support/DXILABI.cpp
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Expand Up @@ -15,20 +15,19 @@
//===----------------------------------------------------------------------===//

#include "llvm/Support/DXILABI.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;

static const EnumEntry<dxil::ResourceClass> ResourceClassNames[] = {
{"SRV", llvm::dxil::ResourceClass::SRV},
{"UAV", llvm::dxil::ResourceClass::UAV},
{"CBV", llvm::dxil::ResourceClass::CBuffer},
{"Sampler", llvm::dxil::ResourceClass::Sampler},
};

ArrayRef<EnumEntry<llvm::dxil::ResourceClass>> dxil::getResourceClasses() {
return ArrayRef(ResourceClassNames);
}

StringRef dxil::getResourceClassName(dxil::ResourceClass RC) {
return enumToStringRef(RC, getResourceClasses());
switch (RC) {
case dxil::ResourceClass::SRV:
return "SRV";
case dxil::ResourceClass::UAV:
return "UAV";
case dxil::ResourceClass::CBuffer:
return "CBV";
case dxil::ResourceClass::Sampler:
return "Sampler";
}
llvm_unreachable("Invalid ResourceClass enum value");
}
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