1 //===- llvm/unittest/IR/ValueTest.cpp - Value unit tests ------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Assembly/Parser.h"
11 #include "llvm/IR/Function.h"
12 #include "llvm/IR/LLVMContext.h"
13 #include "llvm/IR/Module.h"
14 #include "llvm/IR/Value.h"
15 #include "llvm/Support/SourceMgr.h"
16 #include "gtest/gtest.h"
21 TEST(ValueTest, UsedInBasicBlock) {
24 const char *ModuleString = "define void @f(i32 %x, i32 %y) {\n"
26 " %y1 = add i32 %y, 1\n"
27 " %y2 = add i32 %y, 1\n"
28 " %y3 = add i32 %y, 1\n"
29 " %y4 = add i32 %y, 1\n"
30 " %y5 = add i32 %y, 1\n"
31 " %y6 = add i32 %y, 1\n"
32 " %y7 = add i32 %y, 1\n"
33 " %y8 = add i32 %x, 1\n"
37 Module *M = ParseAssemblyString(ModuleString, NULL, Err, C);
39 Function *F = M->getFunction("f");
41 EXPECT_FALSE(F->isUsedInBasicBlock(F->begin()));
42 EXPECT_TRUE((++F->arg_begin())->isUsedInBasicBlock(F->begin()));
43 EXPECT_TRUE(F->arg_begin()->isUsedInBasicBlock(F->begin()));
46 } // end anonymous namespace