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4c7218e770
As @python3kgae pointed out we're going to want to assign these IDs after optimization so that we can remove unused resrouces. This patch just removes the unused ID value from the frontend metadata, clang code generation, and updates associated test cases. Reviewed By: python3kgae Differential Revision: https://reviews.llvm.org/D136271
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
//===- HLSLResource.cpp - HLSL Resource helper objects --------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file This file contains helper objects for working with HLSL Resources.
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///
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//===----------------------------------------------------------------------===//
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#include "llvm/Frontend/HLSL/HLSLResource.h"
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#include "llvm/IR/IRBuilder.h"
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#include "llvm/IR/Metadata.h"
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#include "llvm/IR/Module.h"
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using namespace llvm;
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using namespace llvm::hlsl;
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GlobalVariable *FrontendResource::getGlobalVariable() {
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return cast<GlobalVariable>(
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cast<ConstantAsMetadata>(Entry->getOperand(0))->getValue());
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}
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StringRef FrontendResource::getSourceType() {
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return cast<MDString>(Entry->getOperand(1))->getString();
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}
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uint32_t FrontendResource::FrontendResource::getResourceKind() {
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return cast<ConstantInt>(
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cast<ConstantAsMetadata>(Entry->getOperand(2))->getValue())
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->getLimitedValue();
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}
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uint32_t FrontendResource::getResourceIndex() {
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return cast<ConstantInt>(
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cast<ConstantAsMetadata>(Entry->getOperand(3))->getValue())
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->getLimitedValue();
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}
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uint32_t FrontendResource::getSpace() {
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return cast<ConstantInt>(
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cast<ConstantAsMetadata>(Entry->getOperand(4))->getValue())
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->getLimitedValue();
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}
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FrontendResource::FrontendResource(GlobalVariable *GV, StringRef TypeStr,
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ResourceKind RK, uint32_t ResIndex,
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uint32_t Space) {
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auto &Ctx = GV->getContext();
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IRBuilder<> B(Ctx);
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Entry = MDNode::get(
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Ctx, {ValueAsMetadata::get(GV), MDString::get(Ctx, TypeStr),
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ConstantAsMetadata::get(B.getInt32(static_cast<int>(RK))),
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ConstantAsMetadata::get(B.getInt32(ResIndex)),
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ConstantAsMetadata::get(B.getInt32(Space))});
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}
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