6baa9769ed
This introduces more flexible multiclass for declaring two flags controlling the same boolean keypath.
Compared to existing Opt{In,Out}FFlag multiclasses, the new syntax makes it easier to read option declarations and reason about the keypath.
This also makes specifying common properties of both flags possible.
I'm open to suggestions on the class names. Not 100% sure the benefits are worth the added complexity.
Depends on D92774.
Reviewed By: dexonsmith
Differential Revision: https://reviews.llvm.org/D92775
433 lines
16 KiB
C++
433 lines
16 KiB
C++
//===- unittests/Frontend/CompilerInvocationTest.cpp - CI 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 "clang/Frontend/CompilerInvocation.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/TextDiagnosticBuffer.h"
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#include "llvm/Support/Host.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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using ::testing::Contains;
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using ::testing::StrEq;
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namespace {
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class CommandLineTest : public ::testing::Test {
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public:
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IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
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SmallVector<const char *, 32> GeneratedArgs;
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SmallVector<std::string, 32> GeneratedArgsStorage;
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CompilerInvocation Invocation;
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const char *operator()(const Twine &Arg) {
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return GeneratedArgsStorage.emplace_back(Arg.str()).c_str();
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}
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CommandLineTest()
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: Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions(),
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new TextDiagnosticBuffer())) {
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}
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};
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// Boolean option with a keypath that defaults to true.
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// The only flag with a negative spelling can set the keypath to false.
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TEST_F(CommandLineTest, BoolOptionDefaultTrueSingleFlagNotPresent) {
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const char *Args[] = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_TRUE(Invocation.getFrontendOpts().UseTemporary);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-fno-temp-file"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultTrueSingleFlagPresent) {
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const char *Args[] = {"-fno-temp-file"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_FALSE(Invocation.getFrontendOpts().UseTemporary);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-fno-temp-file")));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultTrueSingleFlagUnknownPresent) {
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const char *Args[] = {"-ftemp-file"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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// Driver-only flag.
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ASSERT_TRUE(Diags->hasErrorOccurred());
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ASSERT_TRUE(Invocation.getFrontendOpts().UseTemporary);
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}
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// Boolean option with a keypath that defaults to true.
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// The flag with negative spelling can set the keypath to false.
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// The flag with positive spelling can reset the keypath to true.
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TEST_F(CommandLineTest, BoolOptionDefaultTruePresentNone) {
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const char *Args[] = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_TRUE(Invocation.getCodeGenOpts().Autolink);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-fautolink"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-fno-autolink"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultTruePresentNegChange) {
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const char *Args[] = {"-fno-autolink"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_FALSE(Invocation.getCodeGenOpts().Autolink);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-fno-autolink")));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-fautolink"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultTruePresentPosReset) {
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const char *Args[] = {"-fautolink"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_TRUE(Diags->hasErrorOccurred()); // Driver-only flag.
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ASSERT_TRUE(Invocation.getCodeGenOpts().Autolink);
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}
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// Boolean option with a keypath that defaults to false.
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// The flag with negative spelling can set the keypath to true.
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// The flag with positive spelling can reset the keypath to false.
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TEST_F(CommandLineTest, BoolOptionDefaultFalsePresentNone) {
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const char *Args[] = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_FALSE(Invocation.getCodeGenOpts().NoInlineLineTables);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-ginline-line-tables"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-gno-inline-line-tables"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultFalsePresentNegChange) {
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const char *Args[] = {"-gno-inline-line-tables"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_TRUE(Invocation.getCodeGenOpts().NoInlineLineTables);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-gno-inline-line-tables")));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-ginline-line-tables"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultFalsePresentPosReset) {
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const char *Args[] = {"-ginline-line-tables"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_TRUE(Diags->hasErrorOccurred()); // Driver-only flag.
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ASSERT_FALSE(Invocation.getCodeGenOpts().NoInlineLineTables);
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}
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// Boolean option with a keypath that defaults to false.
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// The flag with positive spelling can set the keypath to true.
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// The flag with negative spelling can reset the keypath to false.
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TEST_F(CommandLineTest, BoolOptionDefaultFalsePresentNoneX) {
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const char *Args[] = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_FALSE(Invocation.getCodeGenOpts().CodeViewGHash);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-gcodeview-ghash"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-gno-codeview-ghash"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultFalsePresentPosChange) {
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const char *Args[] = {"-gcodeview-ghash"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_TRUE(Invocation.getCodeGenOpts().CodeViewGHash);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-gcodeview-ghash")));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-gno-codeview-ghash"))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultFalsePresentNegReset) {
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const char *Args[] = {"-gno-codeview-ghash"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_TRUE(Diags->hasErrorOccurred()); // Driver-only flag.
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ASSERT_FALSE(Invocation.getCodeGenOpts().CodeViewGHash);
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}
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// Boolean option with a keypath that defaults to an arbitrary expression.
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// The flag with positive spelling can set the keypath to true.
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// The flag with negative spelling can set the keypath to false.
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static constexpr unsigned PassManagerDefault =
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!static_cast<unsigned>(LLVM_ENABLE_NEW_PASS_MANAGER);
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static constexpr const char *PassManagerResetByFlag =
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LLVM_ENABLE_NEW_PASS_MANAGER ? "-fno-legacy-pass-manager"
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: "-flegacy-pass-manager";
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static constexpr const char *PassManagerChangedByFlag =
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LLVM_ENABLE_NEW_PASS_MANAGER ? "-flegacy-pass-manager"
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: "-fno-legacy-pass-manager";
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TEST_F(CommandLineTest, BoolOptionDefaultArbitraryTwoFlagsPresentNone) {
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const char *Args = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_EQ(Invocation.getCodeGenOpts().LegacyPassManager, PassManagerDefault);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq(PassManagerResetByFlag))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq(PassManagerChangedByFlag))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultArbitraryTwoFlagsPresentChange) {
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const char *Args[] = {PassManagerChangedByFlag};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_EQ(Invocation.getCodeGenOpts().LegacyPassManager, !PassManagerDefault);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq(PassManagerChangedByFlag)));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq(PassManagerResetByFlag))));
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}
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TEST_F(CommandLineTest, BoolOptionDefaultArbitraryTwoFlagsPresentReset) {
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const char *Args[] = {PassManagerResetByFlag};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_EQ(Invocation.getCodeGenOpts().LegacyPassManager, PassManagerDefault);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq(PassManagerResetByFlag))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq(PassManagerChangedByFlag))));
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}
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TEST_F(CommandLineTest, CanGenerateCC1CommandLineFlag) {
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const char *Args[] = {"-fmodules-strict-context-hash"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-fmodules-strict-context-hash")));
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}
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TEST_F(CommandLineTest, CanGenerateCC1CommandLineSeparate) {
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const char *TripleCStr = "i686-apple-darwin9";
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const char *Args[] = {"-triple", TripleCStr};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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ASSERT_THAT(GeneratedArgs, Contains(StrEq(TripleCStr)));
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}
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TEST_F(CommandLineTest, CanGenerateCC1CommandLineSeparateRequiredPresent) {
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const std::string DefaultTriple =
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llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple());
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const char *Args[] = {"-triple", DefaultTriple.c_str()};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Triple should always be emitted even if it is the default
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ASSERT_THAT(GeneratedArgs, Contains(StrEq(DefaultTriple.c_str())));
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}
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TEST_F(CommandLineTest, CanGenerateCC1CommandLineSeparateRequiredAbsent) {
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const std::string DefaultTriple =
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llvm::Triple::normalize(llvm::sys::getDefaultTargetTriple());
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const char *Args[] = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Triple should always be emitted even if it is the default
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ASSERT_THAT(GeneratedArgs, Contains(StrEq(DefaultTriple.c_str())));
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}
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TEST_F(CommandLineTest, CanGenerateCC1CommandLineSeparateEnumNonDefault) {
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const char *Args[] = {"-mrelocation-model", "static"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Non default relocation model.
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("static")));
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}
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TEST_F(CommandLineTest, CanGenerateCC1COmmandLineSeparateEnumDefault) {
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const char *Args[] = {"-mrelocation-model", "pic"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Default relocation model.
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("pic"))));
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}
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// Tree of boolean options that can be (directly or transitively) implied by
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// their parent:
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//
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// * -cl-unsafe-math-optimizations
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// * -cl-mad-enable
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// * -menable-unsafe-fp-math
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// * -freciprocal-math
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TEST_F(CommandLineTest, ImpliedBoolOptionsNoFlagPresent) {
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const char *Args[] = {""};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_FALSE(Invocation.getLangOpts()->CLUnsafeMath);
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ASSERT_FALSE(Invocation.getCodeGenOpts().LessPreciseFPMAD);
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ASSERT_FALSE(Invocation.getLangOpts()->UnsafeFPMath);
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ASSERT_FALSE(Invocation.getLangOpts()->AllowRecip);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Not generated - missing.
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ASSERT_THAT(GeneratedArgs,
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Not(Contains(StrEq("-cl-unsafe-math-optimizations"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-cl-mad-enable"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-menable-unsafe-fp-math"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-freciprocal-math"))));
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}
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TEST_F(CommandLineTest, ImpliedBoolOptionsRootFlagPresent) {
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const char *Args[] = {"-cl-unsafe-math-optimizations"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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// Explicitly provided root flag.
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ASSERT_TRUE(Invocation.getLangOpts()->CLUnsafeMath);
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// Directly implied by explicitly provided root flag.
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ASSERT_TRUE(Invocation.getCodeGenOpts().LessPreciseFPMAD);
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ASSERT_TRUE(Invocation.getLangOpts()->UnsafeFPMath);
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// Transitively implied by explicitly provided root flag.
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ASSERT_TRUE(Invocation.getLangOpts()->AllowRecip);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Generated - explicitly provided.
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-cl-unsafe-math-optimizations")));
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// Not generated - implied by the generated root flag.
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-cl-mad-enable"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-menable-unsafe-fp-math"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-freciprocal-math"))));
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}
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TEST_F(CommandLineTest, ImpliedBoolOptionsAllFlagsPresent) {
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const char *Args[] = {"-cl-unsafe-math-optimizations", "-cl-mad-enable",
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"-menable-unsafe-fp-math", "-freciprocal-math"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_TRUE(Invocation.getLangOpts()->CLUnsafeMath);
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ASSERT_TRUE(Invocation.getCodeGenOpts().LessPreciseFPMAD);
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ASSERT_TRUE(Invocation.getLangOpts()->UnsafeFPMath);
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ASSERT_TRUE(Invocation.getLangOpts()->AllowRecip);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Generated - explicitly provided.
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-cl-unsafe-math-optimizations")));
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// Not generated - implied by their generated parent.
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-cl-mad-enable"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-menable-unsafe-fp-math"))));
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-freciprocal-math"))));
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}
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TEST_F(CommandLineTest, ImpliedBoolOptionsImpliedFlagsPresent) {
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const char *Args[] = {"-cl-mad-enable", "-menable-unsafe-fp-math",
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"-freciprocal-math"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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ASSERT_FALSE(Invocation.getLangOpts()->CLUnsafeMath);
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ASSERT_TRUE(Invocation.getCodeGenOpts().LessPreciseFPMAD);
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ASSERT_TRUE(Invocation.getLangOpts()->UnsafeFPMath);
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ASSERT_TRUE(Invocation.getLangOpts()->AllowRecip);
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Not generated - missing.
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ASSERT_THAT(GeneratedArgs,
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Not(Contains(StrEq("-cl-unsafe-math-optimizations"))));
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// Generated - explicitly provided.
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-cl-mad-enable")));
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-menable-unsafe-fp-math")));
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// Not generated - implied by its generated parent.
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ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("-freciprocal-math"))));
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}
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TEST_F(CommandLineTest, PresentAndNotImpliedGenerated) {
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const char *Args[] = {"-cl-mad-enable", "-menable-unsafe-fp-math"};
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CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
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ASSERT_FALSE(Diags->hasErrorOccurred());
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Invocation.generateCC1CommandLine(GeneratedArgs, *this);
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// Present options that were not implied are generated.
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-cl-mad-enable")));
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ASSERT_THAT(GeneratedArgs, Contains(StrEq("-menable-unsafe-fp-math")));
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}
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} // anonymous namespace
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