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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
550 lines
15 KiB
C++
550 lines
15 KiB
C++
//=== WebAssemblyExceptionInfoTest.cpp - WebAssebmlyExceptionInfo unit tests =//
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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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#include "WebAssemblyExceptionInfo.h"
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#include "llvm/CodeGen/MIRParser/MIRParser.h"
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#include "llvm/CodeGen/MachineDominanceFrontier.h"
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#include "llvm/CodeGen/MachineDominators.h"
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#include "llvm/CodeGen/MachineModuleInfo.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Target/TargetMachine.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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std::unique_ptr<LLVMTargetMachine> createTargetMachine() {
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auto TT(Triple::normalize("wasm32-unknown-unknown"));
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std::string CPU("");
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std::string FS("");
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LLVMInitializeWebAssemblyTargetInfo();
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LLVMInitializeWebAssemblyTarget();
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LLVMInitializeWebAssemblyTargetMC();
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std::string Error;
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const Target *TheTarget = TargetRegistry::lookupTarget(TT, Error);
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assert(TheTarget);
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return std::unique_ptr<LLVMTargetMachine>(static_cast<LLVMTargetMachine*>(
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TheTarget->createTargetMachine(TT, CPU, FS, TargetOptions(), None, None,
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CodeGenOpt::Default)));
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}
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std::unique_ptr<Module> parseMIR(LLVMContext &Context,
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std::unique_ptr<MIRParser> &MIR,
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const TargetMachine &TM, StringRef MIRCode,
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const char *FuncName, MachineModuleInfo &MMI) {
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SMDiagnostic Diagnostic;
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std::unique_ptr<MemoryBuffer> MBuffer = MemoryBuffer::getMemBuffer(MIRCode);
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MIR = createMIRParser(std::move(MBuffer), Context);
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if (!MIR)
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return nullptr;
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std::unique_ptr<Module> M = MIR->parseIRModule();
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if (!M)
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return nullptr;
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M->setDataLayout(TM.createDataLayout());
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if (MIR->parseMachineFunctions(*M, MMI))
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return nullptr;
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return M;
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}
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} // namespace
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TEST(WebAssemblyExceptionInfoTest, TEST0) {
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std::unique_ptr<LLVMTargetMachine> TM = createTargetMachine();
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ASSERT_TRUE(TM);
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StringRef MIRString = R"MIR(
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--- |
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare i32 @__gxx_wasm_personality_v0(...)
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define hidden void @test0() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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...
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---
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name: test0
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liveins:
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- { reg: '$arguments' }
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- { reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.1, %bb.2
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liveins: $arguments, $value_stack
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BR %bb.1, implicit-def dead $arguments
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bb.1:
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; predecessors: %bb.0
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successors: %bb.7
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liveins: $value_stack
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BR %bb.7, implicit-def $arguments
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bb.2 (landing-pad):
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; predecessors: %bb.0
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successors: %bb.3, %bb.9
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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CLEANUPRET implicit-def dead $arguments
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bb.3 (landing-pad):
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; predecessors: %bb.2
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successors: %bb.4, %bb.6
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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BR_IF %bb.4, %58:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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BR %bb.6, implicit-def $arguments
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bb.4:
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; predecessors: %bb.3
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successors: %bb.5, %bb.8
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liveins: $value_stack
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BR %bb.5, implicit-def dead $arguments
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bb.5:
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; predecessors: %bb.4
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successors: %bb.7
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liveins: $value_stack
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CATCHRET %bb.7, %bb.0, implicit-def dead $arguments
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bb.6:
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; predecessors: %bb.3
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successors: %bb.10, %bb.9
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liveins: $value_stack
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BR %bb.10, implicit-def dead $arguments
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bb.7:
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; predecessors: %bb.5, %bb.1
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liveins: $value_stack
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RETURN_VOID implicit-def $arguments
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bb.8 (landing-pad):
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; predecessors: %bb.4
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successors: %bb.9
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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CLEANUPRET implicit-def dead $arguments
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bb.9 (landing-pad):
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; predecessors: %bb.2, %bb.6, %bb.8
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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CLEANUPRET implicit-def dead $arguments
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bb.10:
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; predecessors: %bb.6
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liveins: $value_stack
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UNREACHABLE implicit-def $arguments
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)MIR";
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LLVMContext Context;
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std::unique_ptr<MIRParser> MIR;
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MachineModuleInfo MMI(TM.get());
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std::unique_ptr<Module> M =
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parseMIR(Context, MIR, *TM, MIRString, "test0", MMI);
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ASSERT_TRUE(M);
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Function *F = M->getFunction("test0");
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auto *MF = MMI.getMachineFunction(*F);
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ASSERT_TRUE(MF);
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WebAssemblyExceptionInfo WEI;
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MachineDominatorTree MDT;
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MachineDominanceFrontier MDF;
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MDT.runOnMachineFunction(*MF);
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MDF.getBase().analyze(MDT.getBase());
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WEI.recalculate(MDT, MDF);
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// Exception info structure:
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// |- bb2 (ehpad), bb3, bb4, bb5, bb6, bb8, bb9, bb10
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// |- bb3 (ehpad), bb4, bb5, bb6, bb8, bb10
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// |- bb8 (ehpad)
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// |- bb9 (ehpad)
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auto *MBB2 = MF->getBlockNumbered(2);
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auto *WE0 = WEI.getExceptionFor(MBB2);
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ASSERT_TRUE(WE0);
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EXPECT_EQ(WE0->getEHPad(), MBB2);
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EXPECT_EQ(WE0->getParentException(), nullptr);
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EXPECT_EQ(WE0->getExceptionDepth(), (unsigned)1);
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auto *MBB3 = MF->getBlockNumbered(3);
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auto *WE0_0 = WEI.getExceptionFor(MBB3);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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EXPECT_EQ(WE0_0->getParentException(), WE0);
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EXPECT_EQ(WE0_0->getExceptionDepth(), (unsigned)2);
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auto *MBB4 = MF->getBlockNumbered(4);
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WE0_0 = WEI.getExceptionFor(MBB4);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB5 = MF->getBlockNumbered(5);
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WE0_0 = WEI.getExceptionFor(MBB5);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB6 = MF->getBlockNumbered(6);
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WE0_0 = WEI.getExceptionFor(MBB6);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB10 = MF->getBlockNumbered(10);
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WE0_0 = WEI.getExceptionFor(MBB10);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB8 = MF->getBlockNumbered(8);
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auto *WE0_0_0 = WEI.getExceptionFor(MBB8);
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ASSERT_TRUE(WE0_0_0);
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EXPECT_EQ(WE0_0_0->getEHPad(), MBB8);
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EXPECT_EQ(WE0_0_0->getParentException(), WE0_0);
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EXPECT_EQ(WE0_0_0->getExceptionDepth(), (unsigned)3);
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auto *MBB9 = MF->getBlockNumbered(9);
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auto *WE0_1 = WEI.getExceptionFor(MBB9);
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ASSERT_TRUE(WE0_1);
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EXPECT_EQ(WE0_1->getEHPad(), MBB9);
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EXPECT_EQ(WE0_1->getParentException(), WE0);
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EXPECT_EQ(WE0_1->getExceptionDepth(), (unsigned)2);
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}
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TEST(WebAssemblyExceptionInfoTest, TEST1) {
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std::unique_ptr<LLVMTargetMachine> TM = createTargetMachine();
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ASSERT_TRUE(TM);
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StringRef MIRString = R"MIR(
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--- |
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare i32 @__gxx_wasm_personality_v0(...)
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define hidden void @test1() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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...
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---
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name: test1
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liveins:
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- { reg: '$arguments' }
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- { reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.9, %bb.1
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liveins: $arguments, $value_stack
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BR %bb.9, implicit-def dead $arguments
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bb.1 (landing-pad):
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; predecessors: %bb.0
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successors: %bb.2, %bb.8
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liveins: $value_stack
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%52:i32 = CATCH_I32 0, implicit-def dead $arguments
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BR_IF %bb.2, %32:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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BR %bb.8, implicit-def $arguments
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bb.2:
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; predecessors: %bb.1
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successors: %bb.7, %bb.3, %bb.11
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liveins: $value_stack
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BR %bb.7, implicit-def dead $arguments
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bb.3 (landing-pad):
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; predecessors: %bb.2
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successors: %bb.4, %bb.6
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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BR_IF %bb.4, %43:i32, implicit-def $arguments, implicit-def $value_stack, implicit $value_stack
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BR %bb.6, implicit-def $arguments
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bb.4:
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; predecessors: %bb.3
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successors: %bb.5, %bb.10
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liveins: $value_stack
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BR %bb.5, implicit-def dead $arguments
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bb.5:
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; predecessors: %bb.4
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successors: %bb.7(0x80000000); %bb.7(200.00%)
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liveins: $value_stack
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CATCHRET %bb.7, %bb.1, implicit-def dead $arguments
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bb.6:
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; predecessors: %bb.3
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successors: %bb.12, %bb.11
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liveins: $value_stack
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BR %bb.12, implicit-def dead $arguments
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bb.7:
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; predecessors: %bb.2, %bb.5
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successors: %bb.9(0x80000000); %bb.9(200.00%)
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liveins: $value_stack
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CATCHRET %bb.9, %bb.0, implicit-def dead $arguments
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bb.8:
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; predecessors: %bb.1
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liveins: $value_stack
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UNREACHABLE implicit-def $arguments
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bb.9:
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; predecessors: %bb.0, %bb.7
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liveins: $value_stack
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RETURN_VOID implicit-def $arguments
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bb.10 (landing-pad):
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; predecessors: %bb.4
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successors: %bb.11
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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CLEANUPRET implicit-def dead $arguments
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bb.11 (landing-pad):
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; predecessors: %bb.2, %bb.6, %bb.10
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liveins: $value_stack
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CATCH_ALL implicit-def $arguments
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CLEANUPRET implicit-def dead $arguments
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bb.12:
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; predecessors: %bb.6
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liveins: $value_stack
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UNREACHABLE implicit-def $arguments
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)MIR";
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LLVMContext Context;
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std::unique_ptr<MIRParser> MIR;
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MachineModuleInfo MMI(TM.get());
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std::unique_ptr<Module> M =
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parseMIR(Context, MIR, *TM, MIRString, "test1", MMI);
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ASSERT_TRUE(M);
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Function *F = M->getFunction("test1");
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auto *MF = MMI.getMachineFunction(*F);
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ASSERT_TRUE(MF);
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WebAssemblyExceptionInfo WEI;
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MachineDominatorTree MDT;
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MachineDominanceFrontier MDF;
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MDT.runOnMachineFunction(*MF);
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MDF.getBase().analyze(MDT.getBase());
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WEI.recalculate(MDT, MDF);
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// Exception info structure:
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// |- bb1 (ehpad), bb2, bb3, bb4, bb5, bb6, bb7, bb8, bb10, bb11, bb12
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// |- bb3 (ehpad), bb4, bb5, bb6, bb10, bb12
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// |- bb10 (ehpad)
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// |- bb11 (ehpad)
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auto *MBB1 = MF->getBlockNumbered(1);
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auto *WE0 = WEI.getExceptionFor(MBB1);
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ASSERT_TRUE(WE0);
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EXPECT_EQ(WE0->getEHPad(), MBB1);
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EXPECT_EQ(WE0->getParentException(), nullptr);
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EXPECT_EQ(WE0->getExceptionDepth(), (unsigned)1);
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auto *MBB2 = MF->getBlockNumbered(2);
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WE0 = WEI.getExceptionFor(MBB2);
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ASSERT_TRUE(WE0);
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EXPECT_EQ(WE0->getEHPad(), MBB1);
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auto *MBB7 = MF->getBlockNumbered(7);
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WE0 = WEI.getExceptionFor(MBB7);
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ASSERT_TRUE(WE0);
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EXPECT_EQ(WE0->getEHPad(), MBB1);
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auto *MBB8 = MF->getBlockNumbered(8);
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WE0 = WEI.getExceptionFor(MBB8);
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ASSERT_TRUE(WE0);
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EXPECT_EQ(WE0->getEHPad(), MBB1);
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auto *MBB3 = MF->getBlockNumbered(3);
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auto *WE0_0 = WEI.getExceptionFor(MBB3);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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EXPECT_EQ(WE0_0->getParentException(), WE0);
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EXPECT_EQ(WE0_0->getExceptionDepth(), (unsigned)2);
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auto *MBB4 = MF->getBlockNumbered(4);
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WE0_0 = WEI.getExceptionFor(MBB4);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB5 = MF->getBlockNumbered(5);
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WE0_0 = WEI.getExceptionFor(MBB5);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB6 = MF->getBlockNumbered(6);
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WE0_0 = WEI.getExceptionFor(MBB6);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB12 = MF->getBlockNumbered(12);
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WE0_0 = WEI.getExceptionFor(MBB12);
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ASSERT_TRUE(WE0_0);
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EXPECT_EQ(WE0_0->getEHPad(), MBB3);
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auto *MBB10 = MF->getBlockNumbered(10);
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auto *WE0_0_0 = WEI.getExceptionFor(MBB10);
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ASSERT_TRUE(WE0_0_0);
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EXPECT_EQ(WE0_0_0->getEHPad(), MBB10);
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EXPECT_EQ(WE0_0_0->getParentException(), WE0_0);
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EXPECT_EQ(WE0_0_0->getExceptionDepth(), (unsigned)3);
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auto *MBB11 = MF->getBlockNumbered(11);
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auto *WE0_1 = WEI.getExceptionFor(MBB11);
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ASSERT_TRUE(WE0_1);
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EXPECT_EQ(WE0_1->getEHPad(), MBB11);
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EXPECT_EQ(WE0_1->getParentException(), WE0);
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EXPECT_EQ(WE0_1->getExceptionDepth(), (unsigned)2);
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}
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// Terminate pad test
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TEST(WebAssemblyExceptionInfoTest, TEST2) {
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std::unique_ptr<LLVMTargetMachine> TM = createTargetMachine();
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ASSERT_TRUE(TM);
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StringRef MIRString = R"MIR(
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--- |
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare i32 @__gxx_wasm_personality_v0(...)
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declare void @_ZSt9terminatev()
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declare void @__clang_call_terminate(i8*)
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define hidden void @test2() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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unreachable
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}
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...
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---
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name: test2
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liveins:
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- { reg: '$arguments' }
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- { reg: '$value_stack' }
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body: |
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bb.0:
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successors: %bb.3, %bb.1
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BR %bb.3, implicit-def dead $arguments
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bb.1 (landing-pad):
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; predecessors: %bb.0
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successors: %bb.2, %bb.4
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%3:i32 = CATCH_I32 0, implicit-def dead $arguments
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BR %bb.2, implicit-def dead $arguments
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bb.2:
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; predecessors: %bb.1
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successors: %bb.3(0x80000000); %bb.3(200.00%)
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CATCHRET %bb.3, %bb.0, implicit-def dead $arguments
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bb.3:
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; predecessors: %bb.0, %bb.2
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RETURN_VOID implicit-def $arguments
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bb.4 (landing-pad):
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; predecessors: %bb.1
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successors: %bb.5, %bb.6
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CATCH_ALL implicit-def $arguments
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BR %bb.5, implicit-def dead $arguments
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bb.5:
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; predecessors: %bb.4
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CLEANUPRET implicit-def dead $arguments
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bb.6 (landing-pad):
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; predecessors: %bb.4
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successors: %bb.7(0x80000000); %bb.7(200.00%)
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%6:i32 = CATCH_I32 0, implicit-def dead $arguments
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CALL_VOID @__clang_call_terminate, %7:i32, implicit-def $arguments
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UNREACHABLE implicit-def $arguments
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bb.7 (landing-pad):
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|
; predecessors: %bb.6
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CATCH_ALL implicit-def $arguments
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CALL_VOID @_ZSt9terminatev, implicit-def $arguments
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UNREACHABLE implicit-def $arguments
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)MIR";
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|
|
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LLVMContext Context;
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|
std::unique_ptr<MIRParser> MIR;
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|
MachineModuleInfo MMI(TM.get());
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|
std::unique_ptr<Module> M =
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parseMIR(Context, MIR, *TM, MIRString, "test2", MMI);
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ASSERT_TRUE(M);
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|
|
|
Function *F = M->getFunction("test2");
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|
auto *MF = MMI.getMachineFunction(*F);
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|
ASSERT_TRUE(MF);
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|
|
|
WebAssemblyExceptionInfo WEI;
|
|
MachineDominatorTree MDT;
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|
MachineDominanceFrontier MDF;
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|
MDT.runOnMachineFunction(*MF);
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|
MDF.getBase().analyze(MDT.getBase());
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|
WEI.recalculate(MDT, MDF);
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|
|
|
// Exception info structure:
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|
// |- bb1 (ehpad), bb2, bb4, bb5, bb6, bb7
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|
// |- bb4 (ehpad), bb5, bb6, bb7
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|
// |- bb6 (ehpad), bb7
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|
//
|
|
// Here, bb6 is a terminate pad with a 'catch' instruction, and bb7 is a
|
|
// terminate pad with a 'catch_all' instruction, In this case we put bb6 and
|
|
// bb7 into one exception.
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|
|
|
auto *MBB1 = MF->getBlockNumbered(1);
|
|
auto *WE0 = WEI.getExceptionFor(MBB1);
|
|
ASSERT_TRUE(WE0);
|
|
EXPECT_EQ(WE0->getEHPad(), MBB1);
|
|
EXPECT_EQ(WE0->getParentException(), nullptr);
|
|
EXPECT_EQ(WE0->getExceptionDepth(), (unsigned)1);
|
|
|
|
auto *MBB2 = MF->getBlockNumbered(2);
|
|
WE0 = WEI.getExceptionFor(MBB2);
|
|
ASSERT_TRUE(WE0);
|
|
EXPECT_EQ(WE0->getEHPad(), MBB1);
|
|
|
|
auto *MBB4 = MF->getBlockNumbered(4);
|
|
auto *WE0_0 = WEI.getExceptionFor(MBB4);
|
|
ASSERT_TRUE(WE0_0);
|
|
EXPECT_EQ(WE0_0->getEHPad(), MBB4);
|
|
EXPECT_EQ(WE0_0->getParentException(), WE0);
|
|
EXPECT_EQ(WE0_0->getExceptionDepth(), (unsigned)2);
|
|
|
|
auto *MBB5 = MF->getBlockNumbered(5);
|
|
WE0_0 = WEI.getExceptionFor(MBB5);
|
|
ASSERT_TRUE(WE0_0);
|
|
EXPECT_EQ(WE0_0->getEHPad(), MBB4);
|
|
|
|
auto *MBB6 = MF->getBlockNumbered(6);
|
|
auto *WE0_0_0 = WEI.getExceptionFor(MBB6);
|
|
ASSERT_TRUE(WE0_0_0);
|
|
EXPECT_EQ(WE0_0_0->getEHPad(), MBB6);
|
|
EXPECT_EQ(WE0_0_0->getParentException(), WE0_0);
|
|
EXPECT_EQ(WE0_0_0->getExceptionDepth(), (unsigned)3);
|
|
|
|
auto *MBB7 = MF->getBlockNumbered(7);
|
|
WE0_0_0 = WEI.getExceptionFor(MBB7);
|
|
ASSERT_TRUE(WE0_0_0);
|
|
EXPECT_EQ(WE0_0_0->getEHPad(), MBB6);
|
|
}
|