c91cbafad2
It should not be possible to construct one without a triple. It would also be nice to delete TargetLibraryInfoWrapperPass, but that is more difficult.
103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
//===- llvm/unittest/Transforms/Vectorize/VPlanTestBase.h -----------------===//
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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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/// \file
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/// This file defines a VPlanTestBase class, which provides helpers to parse
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/// a LLVM IR string and create VPlans given a loop entry block.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_UNITTESTS_TRANSFORMS_VECTORIZE_VPLANTESTBASE_H
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#define LLVM_UNITTESTS_TRANSFORMS_VECTORIZE_VPLANTESTBASE_H
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#include "../lib/Transforms/Vectorize/VPlan.h"
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#include "../lib/Transforms/Vectorize/VPlanHelpers.h"
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#include "../lib/Transforms/Vectorize/VPlanTransforms.h"
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#include "llvm/Analysis/AssumptionCache.h"
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#include "llvm/Analysis/BasicAliasAnalysis.h"
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#include "llvm/Analysis/LoopInfo.h"
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#include "llvm/Analysis/TargetLibraryInfo.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/IR/Dominators.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/Support/SourceMgr.h"
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#include "gtest/gtest.h"
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namespace llvm {
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/// Helper class to create a module from an assembly string and VPlans for a
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/// given loop entry block.
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class VPlanTestIRBase : public testing::Test {
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protected:
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DataLayout DL;
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std::unique_ptr<LLVMContext> Ctx;
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std::unique_ptr<Module> M;
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std::unique_ptr<LoopInfo> LI;
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std::unique_ptr<DominatorTree> DT;
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std::unique_ptr<AssumptionCache> AC;
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std::unique_ptr<ScalarEvolution> SE;
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std::unique_ptr<TargetLibraryInfoImpl> TLII;
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std::unique_ptr<TargetLibraryInfo> TLI;
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VPlanTestIRBase()
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: DL("e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-"
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"f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:"
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"16:32:64-S128"),
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Ctx(new LLVMContext) {}
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Module &parseModule(const char *ModuleString) {
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SMDiagnostic Err;
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M = parseAssemblyString(ModuleString, Err, *Ctx);
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EXPECT_TRUE(M);
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TLII = std::make_unique<TargetLibraryInfoImpl>(M->getTargetTriple());
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TLI = std::make_unique<TargetLibraryInfo>(*TLII);
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return *M;
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}
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void doAnalysis(Function &F) {
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DT.reset(new DominatorTree(F));
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LI.reset(new LoopInfo(*DT));
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AC.reset(new AssumptionCache(F));
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SE.reset(new ScalarEvolution(F, *TLI, *AC, *DT, *LI));
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}
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/// Build the VPlan for the loop starting from \p LoopHeader.
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VPlanPtr buildVPlan(BasicBlock *LoopHeader) {
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Function &F = *LoopHeader->getParent();
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assert(!verifyFunction(F) && "input function must be valid");
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doAnalysis(F);
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Loop *L = LI->getLoopFor(LoopHeader);
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PredicatedScalarEvolution PSE(*SE, *L);
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auto Plan = VPlanTransforms::buildPlainCFG(L, *LI);
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VFRange R(ElementCount::getFixed(1), ElementCount::getFixed(2));
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VPlanTransforms::prepareForVectorization(*Plan, IntegerType::get(*Ctx, 64),
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PSE, true, false, L, {}, false, R);
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VPlanTransforms::createLoopRegions(*Plan);
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return Plan;
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}
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};
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class VPlanTestBase : public testing::Test {
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protected:
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LLVMContext C;
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std::unique_ptr<BasicBlock> ScalarHeader;
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SmallVector<std::unique_ptr<VPlan>> Plans;
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VPlanTestBase() : ScalarHeader(BasicBlock::Create(C, "scalar.header")) {
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BranchInst::Create(&*ScalarHeader, &*ScalarHeader);
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}
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VPlan &getPlan(VPValue *TC = nullptr) {
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Plans.push_back(std::make_unique<VPlan>(&*ScalarHeader, TC));
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return *Plans.back();
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}
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};
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} // namespace llvm
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#endif // LLVM_UNITTESTS_TRANSFORMS_VECTORIZE_VPLANTESTBASE_H
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