mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-13 21:05:16 +00:00
92ccf70ad4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77051 91177308-0d34-0410-b5e6-96231b3b80d8
121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
//===- llvm/unittest/VMCore/Metadata.cpp - Metadata unit tests ------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "llvm/Constants.h"
|
|
#include "llvm/Instructions.h"
|
|
#include "llvm/MDNode.h"
|
|
#include "llvm/Type.h"
|
|
#include "llvm/Support/ValueHandle.h"
|
|
#include <sstream>
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
// Test that construction of MDString with different value produces different
|
|
// MDString objects, even with the same string pointer and nulls in the string.
|
|
TEST(MDStringTest, CreateDifferent) {
|
|
char x[3] = { 'f', 0, 'A' };
|
|
MDString *s1 = getGlobalContext().getMDString(StringRef(&x[0], 3));
|
|
x[2] = 'B';
|
|
MDString *s2 = getGlobalContext().getMDString(StringRef(&x[0], 3));
|
|
EXPECT_NE(s1, s2);
|
|
}
|
|
|
|
// Test that creation of MDStrings with the same string contents produces the
|
|
// same MDString object, even with different pointers.
|
|
TEST(MDStringTest, CreateSame) {
|
|
char x[4] = { 'a', 'b', 'c', 'X' };
|
|
char y[4] = { 'a', 'b', 'c', 'Y' };
|
|
|
|
MDString *s1 = getGlobalContext().getMDString(StringRef(&x[0], 3));
|
|
MDString *s2 = getGlobalContext().getMDString(StringRef(&y[0], 3));
|
|
EXPECT_EQ(s1, s2);
|
|
}
|
|
|
|
// Test that MDString prints out the string we fed it.
|
|
TEST(MDStringTest, PrintingSimple) {
|
|
char *str = new char[13];
|
|
strncpy(str, "testing 1 2 3", 13);
|
|
MDString *s = getGlobalContext().getMDString(StringRef(str, 13));
|
|
strncpy(str, "aaaaaaaaaaaaa", 13);
|
|
delete[] str;
|
|
|
|
std::ostringstream oss;
|
|
s->print(oss);
|
|
EXPECT_STREQ("metadata !\"testing 1 2 3\"", oss.str().c_str());
|
|
}
|
|
|
|
// Test printing of MDString with non-printable characters.
|
|
TEST(MDStringTest, PrintingComplex) {
|
|
char str[5] = {0, '\n', '"', '\\', -1};
|
|
MDString *s = getGlobalContext().getMDString(StringRef(str+0, 5));
|
|
std::ostringstream oss;
|
|
s->print(oss);
|
|
EXPECT_STREQ("metadata !\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str());
|
|
}
|
|
|
|
// Test the two constructors, and containing other Constants.
|
|
TEST(MDNodeTest, Simple) {
|
|
char x[3] = { 'a', 'b', 'c' };
|
|
char y[3] = { '1', '2', '3' };
|
|
|
|
MDString *s1 = getGlobalContext().getMDString(StringRef(&x[0], 3));
|
|
MDString *s2 = getGlobalContext().getMDString(StringRef(&y[0], 3));
|
|
ConstantInt *CI = ConstantInt::get(getGlobalContext(), APInt(8, 0));
|
|
|
|
std::vector<Value *> V;
|
|
V.push_back(s1);
|
|
V.push_back(CI);
|
|
V.push_back(s2);
|
|
|
|
MDNode *n1 = getGlobalContext().getMDNode(&V[0], 3);
|
|
Value *const c1 = n1;
|
|
MDNode *n2 = getGlobalContext().getMDNode(&c1, 1);
|
|
MDNode *n3 = getGlobalContext().getMDNode(&V[0], 3);
|
|
EXPECT_NE(n1, n2);
|
|
EXPECT_EQ(n1, n3);
|
|
|
|
EXPECT_EQ(3u, n1->getNumElements());
|
|
EXPECT_EQ(s1, n1->getElement(0));
|
|
EXPECT_EQ(CI, n1->getElement(1));
|
|
EXPECT_EQ(s2, n1->getElement(2));
|
|
|
|
EXPECT_EQ(1u, n2->getNumElements());
|
|
EXPECT_EQ(n1, n2->getElement(0));
|
|
|
|
std::ostringstream oss1, oss2;
|
|
n1->print(oss1);
|
|
n2->print(oss2);
|
|
EXPECT_STREQ("!0 = metadata !{metadata !\"abc\", i8 0, metadata !\"123\"}\n",
|
|
oss1.str().c_str());
|
|
EXPECT_STREQ("!0 = metadata !{metadata !1}\n"
|
|
"!1 = metadata !{metadata !\"abc\", i8 0, metadata !\"123\"}\n",
|
|
oss2.str().c_str());
|
|
}
|
|
|
|
TEST(MDNodeTest, Delete) {
|
|
Constant *C = ConstantInt::get(Type::Int32Ty, 1);
|
|
Instruction *I = new BitCastInst(C, Type::Int32Ty);
|
|
|
|
Value *const V = I;
|
|
MDNode *n = getGlobalContext().getMDNode(&V, 1);
|
|
WeakVH wvh = n;
|
|
|
|
EXPECT_EQ(n, wvh);
|
|
|
|
delete I;
|
|
|
|
std::ostringstream oss;
|
|
wvh->print(oss);
|
|
EXPECT_STREQ("!0 = metadata !{null}\n", oss.str().c_str());
|
|
}
|
|
}
|