| //===- llvm/unittest/IR/ValueTest.cpp - Value 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/Assembly/Parser.h" |
| #include "llvm/IR/Function.h" |
| #include "llvm/IR/LLVMContext.h" |
| #include "llvm/IR/Module.h" |
| #include "llvm/IR/Value.h" |
| #include "llvm/Support/SourceMgr.h" |
| #include "gtest/gtest.h" |
| using namespace llvm; |
| |
| namespace { |
| |
| TEST(ValueTest, UsedInBasicBlock) { |
| LLVMContext C; |
| |
| const char *ModuleString = "define void @f(i32 %x, i32 %y) {\n" |
| "bb0:\n" |
| " %y1 = add i32 %y, 1\n" |
| " %y2 = add i32 %y, 1\n" |
| " %y3 = add i32 %y, 1\n" |
| " %y4 = add i32 %y, 1\n" |
| " %y5 = add i32 %y, 1\n" |
| " %y6 = add i32 %y, 1\n" |
| " %y7 = add i32 %y, 1\n" |
| " %y8 = add i32 %x, 1\n" |
| " ret void\n" |
| "}\n"; |
| SMDiagnostic Err; |
| Module *M = ParseAssemblyString(ModuleString, NULL, Err, C); |
| |
| Function *F = M->getFunction("f"); |
| |
| EXPECT_FALSE(F->isUsedInBasicBlock(F->begin())); |
| EXPECT_TRUE((++F->arg_begin())->isUsedInBasicBlock(F->begin())); |
| EXPECT_TRUE(F->arg_begin()->isUsedInBasicBlock(F->begin())); |
| } |
| |
| } // end anonymous namespace |