1 files changed, 47 insertions, 0 deletions
diff --git a/gnu/llvm/unittests/IR/AttributesTest.cpp b/gnu/llvm/unittests/IR/AttributesTest.cpp
new file mode 100644
index 00000000000..ebcb772bc37
--- /dev/null
+++ b/gnu/llvm/unittests/IR/AttributesTest.cpp
@@ -0,0 +1,47 @@
+//===- llvm/unittest/IR/AttributesTest.cpp - Attributes 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/IR/Attributes.h"
+#include "llvm/IR/LLVMContext.h"
+#include "gtest/gtest.h"
+using namespace llvm;
+
+namespace {
+
+TEST(Attributes, Uniquing) {
+  LLVMContext C;
+
+  Attribute AttrA = Attribute::get(C, Attribute::AlwaysInline);
+  Attribute AttrB = Attribute::get(C, Attribute::AlwaysInline);
+  EXPECT_EQ(AttrA, AttrB);
+
+  AttributeSet ASs[] = {
+    AttributeSet::get(C, 1, Attribute::ZExt),
+    AttributeSet::get(C, 2, Attribute::SExt)
+  };
+
+  AttributeSet SetA = AttributeSet::get(C, ASs);
+  AttributeSet SetB = AttributeSet::get(C, ASs);
+  EXPECT_EQ(SetA, SetB);
+}
+
+TEST(Attributes, Ordering) {
+  LLVMContext C;
+
+  AttributeSet ASs[] = {
+    AttributeSet::get(C, 2, Attribute::ZExt),
+    AttributeSet::get(C, 1, Attribute::SExt)
+  };
+
+  AttributeSet SetA = AttributeSet::get(C, ASs);
+  AttributeSet SetB = SetA.removeAttributes(C, 1, ASs[1]);
+  EXPECT_NE(SetA, SetB);
+}
+
+} // end anonymous namespace