[C++11] Use 'nullptr'.

llvm-svn: 210442
diff --git a/llvm/unittests/ExecutionEngine/MCJIT/MCJITMemoryManagerTest.cpp b/llvm/unittests/ExecutionEngine/MCJIT/MCJITMemoryManagerTest.cpp
index f862999..98587f7 100644
--- a/llvm/unittests/ExecutionEngine/MCJIT/MCJITMemoryManagerTest.cpp
+++ b/llvm/unittests/ExecutionEngine/MCJIT/MCJITMemoryManagerTest.cpp
@@ -23,10 +23,10 @@
   uint8_t *code2 = MemMgr->allocateCodeSection(256, 0, 3, "");
   uint8_t *data2 = MemMgr->allocateDataSection(256, 0, 4, "", false);
 
-  EXPECT_NE((uint8_t*)0, code1);
-  EXPECT_NE((uint8_t*)0, code2);
-  EXPECT_NE((uint8_t*)0, data1);
-  EXPECT_NE((uint8_t*)0, data2);
+  EXPECT_NE((uint8_t*)nullptr, code1);
+  EXPECT_NE((uint8_t*)nullptr, code2);
+  EXPECT_NE((uint8_t*)nullptr, data1);
+  EXPECT_NE((uint8_t*)nullptr, data2);
 
   // Initialize the data
   for (unsigned i = 0; i < 256; ++i) {
@@ -56,10 +56,10 @@
   uint8_t *code2 = MemMgr->allocateCodeSection(0x100000, 0, 3, "");
   uint8_t *data2 = MemMgr->allocateDataSection(0x100000, 0, 4, "", false);
 
-  EXPECT_NE((uint8_t*)0, code1);
-  EXPECT_NE((uint8_t*)0, code2);
-  EXPECT_NE((uint8_t*)0, data1);
-  EXPECT_NE((uint8_t*)0, data2);
+  EXPECT_NE((uint8_t*)nullptr, code1);
+  EXPECT_NE((uint8_t*)nullptr, code2);
+  EXPECT_NE((uint8_t*)nullptr, data1);
+  EXPECT_NE((uint8_t*)nullptr, data2);
 
   // Initialize the data
   for (unsigned i = 0; i < 0x100000; ++i) {
@@ -98,8 +98,8 @@
       data[i][j] = 2 + (i % 254);
     }
 
-    EXPECT_NE((uint8_t *)0, code[i]);
-    EXPECT_NE((uint8_t *)0, data[i]);
+    EXPECT_NE((uint8_t *)nullptr, code[i]);
+    EXPECT_NE((uint8_t *)nullptr, data[i]);
   }
 
   // Verify the data (this is checking for overlaps in the addresses)
@@ -141,8 +141,8 @@
       data[i][j] = 2 + (i % 254);
     }
 
-    EXPECT_NE((uint8_t *)0, code[i]);
-    EXPECT_NE((uint8_t *)0, data[i]);
+    EXPECT_NE((uint8_t *)nullptr, code[i]);
+    EXPECT_NE((uint8_t *)nullptr, data[i]);
 
     uintptr_t CodeAlign = Align ? (uintptr_t)code[i] % Align : 0;
     uintptr_t DataAlign = Align ? (uintptr_t)data[i] % Align : 0;