9d98acb196
Line ending policies were changed in the parent, dccebddb3b80. To make it easier to resolve downstream merge conflicts after line-ending policies are adjusted this is a separate whitespace-only commit. If you have merge conflicts as a result, you can simply `git add --renormalize -u && git merge --continue` or `git add --renormalize -u && git rebase --continue` - depending on your workflow.
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
//===- DXILFinalizeLinkage.cpp - Finalize linkage of functions ------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "DXILFinalizeLinkage.h"
|
|
#include "DirectX.h"
|
|
#include "llvm/Analysis/DXILResource.h"
|
|
#include "llvm/IR/Function.h"
|
|
#include "llvm/IR/GlobalValue.h"
|
|
#include "llvm/IR/Metadata.h"
|
|
#include "llvm/IR/Module.h"
|
|
|
|
#define DEBUG_TYPE "dxil-finalize-linkage"
|
|
|
|
using namespace llvm;
|
|
|
|
static bool finalizeLinkage(Module &M) {
|
|
SmallPtrSet<Function *, 8> EntriesAndExports;
|
|
|
|
// Find all entry points and export functions
|
|
for (Function &EF : M.functions()) {
|
|
if (!EF.hasFnAttribute("hlsl.shader") && !EF.hasFnAttribute("hlsl.export"))
|
|
continue;
|
|
EntriesAndExports.insert(&EF);
|
|
}
|
|
|
|
for (Function &F : M.functions()) {
|
|
if (F.getLinkage() == GlobalValue::ExternalLinkage &&
|
|
!EntriesAndExports.contains(&F)) {
|
|
F.setLinkage(GlobalValue::InternalLinkage);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
PreservedAnalyses DXILFinalizeLinkage::run(Module &M,
|
|
ModuleAnalysisManager &AM) {
|
|
if (finalizeLinkage(M))
|
|
return PreservedAnalyses::none();
|
|
return PreservedAnalyses::all();
|
|
}
|
|
|
|
bool DXILFinalizeLinkageLegacy::runOnModule(Module &M) {
|
|
return finalizeLinkage(M);
|
|
}
|
|
|
|
void DXILFinalizeLinkageLegacy::getAnalysisUsage(AnalysisUsage &AU) const {
|
|
AU.addPreserved<DXILResourceWrapperPass>();
|
|
}
|
|
|
|
char DXILFinalizeLinkageLegacy::ID = 0;
|
|
|
|
INITIALIZE_PASS_BEGIN(DXILFinalizeLinkageLegacy, DEBUG_TYPE,
|
|
"DXIL Finalize Linkage", false, false)
|
|
INITIALIZE_PASS_END(DXILFinalizeLinkageLegacy, DEBUG_TYPE,
|
|
"DXIL Finalize Linkage", false, false)
|
|
|
|
ModulePass *llvm::createDXILFinalizeLinkageLegacyPass() {
|
|
return new DXILFinalizeLinkageLegacy();
|
|
}
|