LLVM 19.0.0git
HLSLResource.cpp
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1//===- HLSLResource.cpp - HLSL Resource helper objects --------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8///
9/// \file This file contains helper objects for working with HLSL Resources.
10///
11//===----------------------------------------------------------------------===//
12
14#include "llvm/IR/IRBuilder.h"
15#include "llvm/IR/Metadata.h"
16#include "llvm/IR/Module.h"
17
18using namespace llvm;
19using namespace llvm::hlsl;
20
22 return cast<GlobalVariable>(
23 cast<ConstantAsMetadata>(Entry->getOperand(0))->getValue());
24}
25
27 return static_cast<ResourceKind>(
28 cast<ConstantInt>(
29 cast<ConstantAsMetadata>(Entry->getOperand(1))->getValue())
30 ->getLimitedValue());
31}
33 return static_cast<ElementType>(
34 cast<ConstantInt>(
35 cast<ConstantAsMetadata>(Entry->getOperand(2))->getValue())
36 ->getLimitedValue());
37}
39 return cast<ConstantInt>(
40 cast<ConstantAsMetadata>(Entry->getOperand(3))->getValue())
41 ->getLimitedValue();
42}
44 return cast<ConstantInt>(
45 cast<ConstantAsMetadata>(Entry->getOperand(4))->getValue())
46 ->getLimitedValue();
47}
49 return cast<ConstantInt>(
50 cast<ConstantAsMetadata>(Entry->getOperand(5))->getValue())
51 ->getLimitedValue();
52}
53
55 assert(Entry->getNumOperands() == 6 && "Unexpected metadata shape");
56}
57
59 ElementType ElTy, bool IsROV,
60 uint32_t ResIndex, uint32_t Space) {
61 auto &Ctx = GV->getContext();
62 IRBuilder<> B(Ctx);
63 Entry = MDNode::get(
64 Ctx, {ValueAsMetadata::get(GV),
65 ConstantAsMetadata::get(B.getInt32(static_cast<int>(RK))),
66 ConstantAsMetadata::get(B.getInt32(static_cast<int>(ElTy))),
67 ConstantAsMetadata::get(B.getInt1(IsROV)),
68 ConstantAsMetadata::get(B.getInt32(ResIndex)),
69 ConstantAsMetadata::get(B.getInt32(Space))});
70}
static GCRegistry::Add< OcamlGC > B("ocaml", "ocaml 3.10-compatible GC")
This file contains the declarations for metadata subclasses.
Module.h This file contains the declarations for the Module class.
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
static ConstantAsMetadata * get(Constant *C)
Definition: Metadata.h:528
This provides a uniform API for creating instructions and inserting them into a basic block: either a...
Definition: IRBuilder.h:2671
Metadata node.
Definition: Metadata.h:1067
const MDOperand & getOperand(unsigned I) const
Definition: Metadata.h:1428
static MDTuple * get(LLVMContext &Context, ArrayRef< Metadata * > MDs)
Definition: Metadata.h:1541
unsigned getNumOperands() const
Return number of MDNode operands.
Definition: Metadata.h:1434
static ValueAsMetadata * get(Value *V)
Definition: Metadata.cpp:495
LLVMContext & getContext() const
All values hold a context through their type.
Definition: Value.cpp:1075
GlobalVariable * getGlobalVariable()
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18