X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FVMCore%2FMetadataTest.cpp;h=08927a2ff526bca6778acd69280e09de701d1f14;hb=b21d9aebba7e45ddcbce61dd501000049cefb335;hp=c92bb139b43324de5a90966f0d153c2e7e673fd8;hpb=9adc0abad3c3ed40a268ccbcee0c74cb9e1359fe;p=oota-llvm.git

diff --git a/unittests/VMCore/MetadataTest.cpp b/unittests/VMCore/MetadataTest.cpp
index c92bb139b43..08927a2ff52 100644
--- a/unittests/VMCore/MetadataTest.cpp
+++ b/unittests/VMCore/MetadataTest.cpp
@@ -10,130 +10,143 @@
 #include "gtest/gtest.h"
 #include "llvm/Constants.h"
 #include "llvm/Instructions.h"
-#include "llvm/MDNode.h"
+#include "llvm/LLVMContext.h"
+#include "llvm/Metadata.h"
+#include "llvm/Module.h"
 #include "llvm/Type.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/ValueHandle.h"
-#include <sstream>
-
 using namespace llvm;
 
 namespace {
 
+class MetadataTest : public testing::Test {
+protected:
+  LLVMContext Context;
+};
+typedef MetadataTest MDStringTest;
+
 // 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) {
+TEST_F(MDStringTest, CreateDifferent) {
   char x[3] = { 'f', 0, 'A' };
-  MDString *s1 = getGlobalContext().getMDString(&x[0], &x[3]);
+  MDString *s1 = MDString::get(Context, StringRef(&x[0], 3));
   x[2] = 'B';
-  MDString *s2 = getGlobalContext().getMDString(&x[0], &x[3]);
+  MDString *s2 = MDString::get(Context, 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) {
+TEST_F(MDStringTest, CreateSame) {
   char x[4] = { 'a', 'b', 'c', 'X' };
   char y[4] = { 'a', 'b', 'c', 'Y' };
 
-  MDString *s1 = getGlobalContext().getMDString(&x[0], &x[3]);
-  MDString *s2 = getGlobalContext().getMDString(&y[0], &y[3]);
+  MDString *s1 = MDString::get(Context, StringRef(&x[0], 3));
+  MDString *s2 = MDString::get(Context, StringRef(&y[0], 3));
   EXPECT_EQ(s1, s2);
 }
 
 // Test that MDString prints out the string we fed it.
-TEST(MDStringTest, PrintingSimple) {
+TEST_F(MDStringTest, PrintingSimple) {
   char *str = new char[13];
   strncpy(str, "testing 1 2 3", 13);
-  MDString *s = getGlobalContext().getMDString(str, str+13);
+  MDString *s = MDString::get(Context, StringRef(str, 13));
   strncpy(str, "aaaaaaaaaaaaa", 13);
   delete[] str;
 
-  std::ostringstream oss;
+  std::string Str;
+  raw_string_ostream oss(Str);
   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(str+0, str+5);
-  std::ostringstream oss;
+TEST_F(MDStringTest, PrintingComplex) {
+  char str[5] = {0, '\n', '"', '\\', (char)-1};
+  MDString *s = MDString::get(Context, StringRef(str+0, 5));
+  std::string Str;
+  raw_string_ostream oss(Str);
   s->print(oss);
   EXPECT_STREQ("metadata !\"\\00\\0A\\22\\5C\\FF\"", oss.str().c_str());
 }
 
+typedef MetadataTest MDNodeTest;
+
 // Test the two constructors, and containing other Constants.
-TEST(MDNodeTest, Simple) {
+TEST_F(MDNodeTest, Simple) {
   char x[3] = { 'a', 'b', 'c' };
   char y[3] = { '1', '2', '3' };
 
-  MDString *s1 = getGlobalContext().getMDString(&x[0], &x[3]);
-  MDString *s2 = getGlobalContext().getMDString(&y[0], &y[3]);
-  ConstantInt *CI = getGlobalContext().getConstantInt(APInt(8, 0));
+  MDString *s1 = MDString::get(Context, StringRef(&x[0], 3));
+  MDString *s2 = MDString::get(Context, 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);
+  MDNode *n1 = MDNode::get(Context, V);
   Value *const c1 = n1;
-  MDNode *n2 = getGlobalContext().getMDNode(&c1, 1);
-  MDNode *n3 = getGlobalContext().getMDNode(&V[0], 3);
+  MDNode *n2 = MDNode::get(Context, c1);
+  Value *const c2 = n2;
+  MDNode *n3 = MDNode::get(Context, V);
+  MDNode *n4 = MDNode::getIfExists(Context, V);
+  MDNode *n5 = MDNode::getIfExists(Context, c1);
+  MDNode *n6 = MDNode::getIfExists(Context, c2);
   EXPECT_NE(n1, n2);
+#ifdef ENABLE_MDNODE_UNIQUING
   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, RAUW) {
-  Constant *C = getGlobalContext().getConstantInt(Type::Int32Ty, 1);
-  Instruction *I = new BitCastInst(C, Type::Int32Ty);
-
-  Value *const V1 = I;
-  MDNode *n1 = getGlobalContext().getMDNode(&V1, 1);
-  WeakVH wn1 = n1;
-
-  Value *const V2 = C;
-  MDNode *n2 = getGlobalContext().getMDNode(&V2, 1);
-  WeakVH wn2 = n2;
-
-  EXPECT_NE(wn1, wn2);
-
-  I->replaceAllUsesWith(C);
-
-  EXPECT_EQ(wn1, wn2);
+#else
+  (void) n3;
+#endif
+  EXPECT_EQ(n4, n1);
+  EXPECT_EQ(n5, n2);
+  EXPECT_EQ(n6, (Value*)0);
+
+  EXPECT_EQ(3u, n1->getNumOperands());
+  EXPECT_EQ(s1, n1->getOperand(0));
+  EXPECT_EQ(CI, n1->getOperand(1));
+  EXPECT_EQ(s2, n1->getOperand(2));
+
+  EXPECT_EQ(1u, n2->getNumOperands());
+  EXPECT_EQ(n1, n2->getOperand(0));
 }
 
-TEST(MDNodeTest, Delete) {
-  Constant *C = getGlobalContext().getConstantInt(Type::Int32Ty, 1);
-  Instruction *I = new BitCastInst(C, Type::Int32Ty);
+TEST_F(MDNodeTest, Delete) {
+  Constant *C = ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 1);
+  Instruction *I = new BitCastInst(C, Type::getInt32Ty(getGlobalContext()));
 
   Value *const V = I;
-  MDNode *n = getGlobalContext().getMDNode(&V, 1);
+  MDNode *n = MDNode::get(Context, V);
   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());
+TEST(NamedMDNodeTest, Search) {
+  LLVMContext Context;
+  Constant *C = ConstantInt::get(Type::getInt32Ty(Context), 1);
+  Constant *C2 = ConstantInt::get(Type::getInt32Ty(Context), 2);
+
+  Value *const V = C;
+  Value *const V2 = C2;
+  MDNode *n = MDNode::get(Context, V);
+  MDNode *n2 = MDNode::get(Context, V2);
+
+  Module M("MyModule", Context);
+  const char *Name = "llvm.NMD1";
+  NamedMDNode *NMD = M.getOrInsertNamedMetadata(Name);
+  NMD->addOperand(n);
+  NMD->addOperand(n2);
+
+  std::string Str;
+  raw_string_ostream oss(Str);
+  NMD->print(oss);
+  EXPECT_STREQ("!llvm.NMD1 = !{!0, !1}\n",
+               oss.str().c_str());
 }
 }