llvm-project/llvm/unittests/Passes/PassBuilderBindingsTest.cpp

82 lines
2.6 KiB
C++

//===- unittests/Passes/PassBuilderBindingsTest.cpp -----------------------===//
//
// 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 "llvm-c/Core.h"
#include "llvm-c/Transforms/PassBuilder.h"
#include "llvm-c/Types.h"
#include "gtest/gtest.h"
#include <string.h>
using namespace llvm;
class PassBuilderCTest : public testing::Test {
void SetUp() override {
char *Triple = LLVMGetDefaultTargetTriple();
if (strlen(Triple) == 0) {
GTEST_SKIP();
LLVMDisposeMessage(Triple);
return;
}
LLVMInitializeAllTargetInfos();
char *Err;
LLVMTargetRef Target;
if (LLVMGetTargetFromTriple(Triple, &Target, &Err)) {
FAIL() << "Failed to create target from default triple (" << Triple
<< "): " << Err;
}
TM = LLVMCreateTargetMachine(Target, Triple, "generic", "",
LLVMCodeGenLevelDefault, LLVMRelocDefault,
LLVMCodeModelDefault);
LLVMDisposeMessage(Triple);
Context = LLVMContextCreate();
Module = LLVMModuleCreateWithNameInContext("test", Context);
}
void TearDown() override {
char *Triple = LLVMGetDefaultTargetTriple();
if (strlen(Triple) == 0) {
LLVMDisposeMessage(Triple);
return; // Skipped, so nothing to tear down
}
LLVMDisposeMessage(Triple);
LLVMDisposeTargetMachine(TM);
LLVMDisposeModule(Module);
LLVMContextDispose(Context);
}
public:
LLVMTargetMachineRef TM;
LLVMModuleRef Module;
LLVMContextRef Context;
};
TEST_F(PassBuilderCTest, Basic) {
LLVMPassBuilderOptionsRef Options = LLVMCreatePassBuilderOptions();
LLVMPassBuilderOptionsSetLoopUnrolling(Options, 1);
LLVMPassBuilderOptionsSetVerifyEach(Options, 1);
LLVMPassBuilderOptionsSetDebugLogging(Options, 0);
if (LLVMErrorRef E = LLVMRunPasses(Module, "default<O2>", TM, Options)) {
char *Msg = LLVMGetErrorMessage(E);
LLVMConsumeError(E);
LLVMDisposePassBuilderOptions(Options);
FAIL() << "Failed to run passes: " << Msg;
}
LLVMDisposePassBuilderOptions(Options);
}
TEST_F(PassBuilderCTest, InvalidPassIsError) {
LLVMPassBuilderOptionsRef Options = LLVMCreatePassBuilderOptions();
LLVMErrorRef E1 = LLVMRunPasses(Module, "", TM, Options);
LLVMErrorRef E2 = LLVMRunPasses(Module, "does-not-exist-pass", TM, Options);
ASSERT_TRUE(E1);
ASSERT_TRUE(E2);
LLVMConsumeError(E1);
LLVMConsumeError(E2);
LLVMDisposePassBuilderOptions(Options);
}