mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-01 02:29:19 +00:00
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
|
//===- llvm/unittest/VMCore/VerifierTest.cpp - Verifier unit tests --------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "llvm/Constants.h"
|
||
|
|
#include "llvm/DerivedTypes.h"
|
||
|
|
#include "llvm/Function.h"
|
||
|
|
#include "llvm/Instructions.h"
|
||
|
|
#include "llvm/LLVMContext.h"
|
||
|
|
#include "llvm/Analysis/Verifier.h"
|
||
|
|
#include "gtest/gtest.h"
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
TEST(VerifierTest, Branch_i1) {
|
||
|
|
LLVMContext &C = getGlobalContext();
|
||
|
|
FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg=*/false);
|
||
|
|
Function *F = Function::Create(FTy, GlobalValue::ExternalLinkage);
|
||
|
|
BasicBlock *Entry = BasicBlock::Create(C, "entry", F);
|
||
|
|
BasicBlock *Exit = BasicBlock::Create(C, "exit", F);
|
||
|
|
ReturnInst::Create(C, Exit);
|
||
|
|
|
||
|
|
// To avoid triggering an assertion in BranchInst::Create, we first create
|
||
|
|
// a branch with an 'i1' condition ...
|
||
|
|
|
||
|
|
Constant *False = ConstantInt::getFalse(C);
|
||
|
|
BranchInst *BI = BranchInst::Create(Exit, Exit, False, Entry);
|
||
|
|
|
||
|
|
// ... then use setOperand to redirect it to a value of different type.
|
||
|
|
|
||
|
|
Constant *Zero32 = ConstantInt::get(IntegerType::get(C, 32), 0);
|
||
|
|
BI->setOperand(0, Zero32);
|
||
|
|
|
||
|
|
EXPECT_TRUE(verifyFunction(*F, ReturnStatusAction));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|