Add a hashing routine that handles hashing types. Add a test for

hashing the contents of DW_FORM_data1 on top of a type with attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189862 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 58 insertions, 0 deletions

diff --git a/unittests/CodeGen/CMakeLists.txt b/unittests/CodeGen/CMakeLists.txt
new file mode 100644
index 0000000..5f5c90a
--- /dev/null
+++ b/unittests/CodeGen/CMakeLists.txt
@@ -0,0 +1,13 @@
+set(LLVM_LINK_COMPONENTS
+  asmprinter
+  codegen
+  support
+  )
+
+set(DebugInfoSources
+  DIEHashTest.cpp
+  )
+
+add_llvm_unittest(DebugInfoTests
+  ${DebugInfoSources}
+  )
diff --git a/unittests/CodeGen/DIEHashTest.cpp b/unittests/CodeGen/DIEHashTest.cpp
new file mode 100644
index 0000000..54dc4ee
--- /dev/null
+++ b/unittests/CodeGen/DIEHashTest.cpp
@@ -0,0 +1,29 @@
+//===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "../lib/CodeGen/AsmPrinter/DIE.h"
+#include "../lib/CodeGen/AsmPrinter/DIEHash.h"
+#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/Format.h"
+#include "gtest/gtest.h"
+
+namespace {
+
+using namespace llvm;
+TEST(DIEHashData1Test, DIEHash) {
+  DIEHash Hash;
+  DIE *Die = new DIE(dwarf::DW_TAG_base_type);
+  DIEValue *Size = new DIEInteger(4);
+  Die->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, Size);
+  uint64_t MD5Res = Hash.computeTypeSignature(Die);
+  ASSERT_TRUE(MD5Res == 0x540e9ff30ade3e4a);
+  delete Die;
+}
+}
diff --git a/unittests/CodeGen/Makefile b/unittests/CodeGen/Makefile
new file mode 100644
index 0000000..4f07017
--- /dev/null
+++ b/unittests/CodeGen/Makefile
@@ -0,0 +1,16 @@
+##===- unittests/DebugInfo/Makefile ------------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../..
+TESTNAME = CodeGen
+LINK_COMPONENTS := asmprinter codegen support
+
+include $(LEVEL)/Makefile.config
+
+include $(LLVM_SRC_ROOT)/unittests/Makefile.unittest