Vendor import of llvm r114020 (from the release_28 branch):

http://llvm.org/svn/llvm-project/llvm/branches/release_28@114020

Approved by:	rpaulo (mentor)

1 files changed, 66 insertions, 3 deletions

diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp
index 6b8d01d..091ecd4a 100644
--- a/unittests/Support/ConstantRangeTest.cpp
+++ b/unittests/Support/ConstantRangeTest.cpp
@@ -33,6 +33,7 @@ ConstantRange ConstantRangeTest::Wrap(APInt(16, 0xaaa), APInt(16, 0xa));
 TEST_F(ConstantRangeTest, Basics) {
   EXPECT_TRUE(Full.isFullSet());
   EXPECT_FALSE(Full.isEmptySet());
+  EXPECT_TRUE(Full.inverse().isEmptySet());
   EXPECT_FALSE(Full.isWrappedSet());
   EXPECT_TRUE(Full.contains(APInt(16, 0x0)));
   EXPECT_TRUE(Full.contains(APInt(16, 0x9)));
@@ -42,6 +43,7 @@ TEST_F(ConstantRangeTest, Basics) {
 
   EXPECT_FALSE(Empty.isFullSet());
   EXPECT_TRUE(Empty.isEmptySet());
+  EXPECT_TRUE(Empty.inverse().isFullSet());
   EXPECT_FALSE(Empty.isWrappedSet());
   EXPECT_FALSE(Empty.contains(APInt(16, 0x0)));
   EXPECT_FALSE(Empty.contains(APInt(16, 0x9)));
@@ -57,6 +59,7 @@ TEST_F(ConstantRangeTest, Basics) {
   EXPECT_TRUE(One.contains(APInt(16, 0xa)));
   EXPECT_FALSE(One.contains(APInt(16, 0xaa9)));
   EXPECT_FALSE(One.contains(APInt(16, 0xaaa)));
+  EXPECT_FALSE(One.inverse().contains(APInt(16, 0xa)));
 
   EXPECT_FALSE(Some.isFullSet());
   EXPECT_FALSE(Some.isEmptySet());
@@ -256,11 +259,31 @@ TEST_F(ConstantRangeTest, Add) {
   EXPECT_EQ(Empty.add(Wrap), Empty);
   EXPECT_EQ(Empty.add(APInt(16, 4)), Empty);
   EXPECT_EQ(Some.add(APInt(16, 4)),
-              ConstantRange(APInt(16, 0xe), APInt(16, 0xaae)));
+            ConstantRange(APInt(16, 0xe), APInt(16, 0xaae)));
   EXPECT_EQ(Wrap.add(APInt(16, 4)),
-              ConstantRange(APInt(16, 0xaae), APInt(16, 0xe)));
+            ConstantRange(APInt(16, 0xaae), APInt(16, 0xe)));
   EXPECT_EQ(One.add(APInt(16, 4)),
-              ConstantRange(APInt(16, 0xe)));
+            ConstantRange(APInt(16, 0xe)));
+}
+
+TEST_F(ConstantRangeTest, Sub) {
+  EXPECT_EQ(Full.sub(APInt(16, 4)), Full);
+  EXPECT_EQ(Full.sub(Full), Full);
+  EXPECT_EQ(Full.sub(Empty), Empty);
+  EXPECT_EQ(Full.sub(One), Full);
+  EXPECT_EQ(Full.sub(Some), Full);
+  EXPECT_EQ(Full.sub(Wrap), Full);
+  EXPECT_EQ(Empty.sub(Empty), Empty);
+  EXPECT_EQ(Empty.sub(One), Empty);
+  EXPECT_EQ(Empty.sub(Some), Empty);
+  EXPECT_EQ(Empty.sub(Wrap), Empty);
+  EXPECT_EQ(Empty.sub(APInt(16, 4)), Empty);
+  EXPECT_EQ(Some.sub(APInt(16, 4)),
+            ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6)));
+  EXPECT_EQ(Wrap.sub(APInt(16, 4)),
+            ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6)));
+  EXPECT_EQ(One.sub(APInt(16, 4)),
+            ConstantRange(APInt(16, 0x6)));
 }
 
 TEST_F(ConstantRangeTest, Multiply) {
@@ -348,4 +371,44 @@ TEST_F(ConstantRangeTest, UDiv) {
   EXPECT_EQ(Wrap.udiv(Wrap), Full);
 }
 
+TEST_F(ConstantRangeTest, Shl) {
+  EXPECT_EQ(Full.shl(Full), Full);
+  EXPECT_EQ(Full.shl(Empty), Empty);
+  EXPECT_EQ(Full.shl(One), Full);    // TODO: [0, (-1 << 0xa) + 1)
+  EXPECT_EQ(Full.shl(Some), Full);   // TODO: [0, (-1 << 0xa) + 1)
+  EXPECT_EQ(Full.shl(Wrap), Full);
+  EXPECT_EQ(Empty.shl(Empty), Empty);
+  EXPECT_EQ(Empty.shl(One), Empty);
+  EXPECT_EQ(Empty.shl(Some), Empty);
+  EXPECT_EQ(Empty.shl(Wrap), Empty);
+  EXPECT_EQ(One.shl(One), ConstantRange(APInt(16, 0xa << 0xa),
+                                        APInt(16, (0xa << 0xa) + 1)));
+  EXPECT_EQ(One.shl(Some), Full);    // TODO: [0xa << 0xa, 0)
+  EXPECT_EQ(One.shl(Wrap), Full);    // TODO: [0xa, 0xa << 14 + 1)
+  EXPECT_EQ(Some.shl(Some), Full);   // TODO: [0xa << 0xa, 0xfc01)
+  EXPECT_EQ(Some.shl(Wrap), Full);   // TODO: [0xa, 0x7ff << 0x5 + 1)
+  EXPECT_EQ(Wrap.shl(Wrap), Full);
+}
+
+TEST_F(ConstantRangeTest, Lshr) {
+  EXPECT_EQ(Full.lshr(Full), Full);
+  EXPECT_EQ(Full.lshr(Empty), Empty);
+  EXPECT_EQ(Full.lshr(One), ConstantRange(APInt(16, 0),
+                                          APInt(16, (0xffff >> 0xa) + 1)));
+  EXPECT_EQ(Full.lshr(Some), ConstantRange(APInt(16, 0),
+                                           APInt(16, (0xffff >> 0xa) + 1)));
+  EXPECT_EQ(Full.lshr(Wrap), Full);
+  EXPECT_EQ(Empty.lshr(Empty), Empty);
+  EXPECT_EQ(Empty.lshr(One), Empty);
+  EXPECT_EQ(Empty.lshr(Some), Empty);
+  EXPECT_EQ(Empty.lshr(Wrap), Empty);
+  EXPECT_EQ(One.lshr(One), ConstantRange(APInt(16, 0)));
+  EXPECT_EQ(One.lshr(Some), ConstantRange(APInt(16, 0)));
+  EXPECT_EQ(One.lshr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xb)));
+  EXPECT_EQ(Some.lshr(Some), ConstantRange(APInt(16, 0),
+                                           APInt(16, (0xaaa >> 0xa) + 1)));
+  EXPECT_EQ(Some.lshr(Wrap), ConstantRange(APInt(16, 0), APInt(16, 0xaaa)));
+  EXPECT_EQ(Wrap.lshr(Wrap), Full);
+}
+
 }  // anonymous namespace