Vendor import of llvm trunk r256945:

https://llvm.org/svn/llvm-project/llvm/trunk@256945

5 files changed, 177 insertions, 7 deletions

diff --git a/unittests/IR/IRBuilderTest.cpp b/unittests/IR/IRBuilderTest.cpp
index e0da018..82565cc 100644
--- a/unittests/IR/IRBuilderTest.cpp
+++ b/unittests/IR/IRBuilderTest.cpp
@@ -217,6 +217,11 @@ TEST_F(IRBuilderTest, FastMathFlags) {
   FCall = Builder.CreateCall(Callee, None);
   EXPECT_FALSE(FCall->hasNoNaNs());
 
+  Value *V = 
+      Function::Create(CalleeTy, Function::ExternalLinkage, "", M.get());
+  FCall = Builder.CreateCall(V, None);
+  EXPECT_FALSE(FCall->hasNoNaNs());
+
   FMF.clear();
   FMF.setNoNaNs();
   Builder.SetFastMathFlags(FMF);
@@ -226,6 +231,11 @@ TEST_F(IRBuilderTest, FastMathFlags) {
   EXPECT_TRUE(Builder.getFastMathFlags().NoNaNs);
   EXPECT_TRUE(FCall->hasNoNaNs());
 
+  FCall = Builder.CreateCall(V, None);
+  EXPECT_TRUE(Builder.getFastMathFlags().any());
+  EXPECT_TRUE(Builder.getFastMathFlags().NoNaNs);
+  EXPECT_TRUE(FCall->hasNoNaNs());
+
   Builder.clearFastMathFlags();
 
   // To test a copy, make sure that a '0' and a '1' change state. 
diff --git a/unittests/IR/MetadataTest.cpp b/unittests/IR/MetadataTest.cpp
index 257ab72..a745b23 100644
--- a/unittests/IR/MetadataTest.cpp
+++ b/unittests/IR/MetadataTest.cpp
@@ -494,6 +494,20 @@ TEST_F(MDNodeTest, isTemporary) {
   EXPECT_TRUE(T->isTemporary());
 }
 
+#if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG)
+
+TEST_F(MDNodeTest, deathOnNoReplaceTemporaryRAUW) {
+  auto Temp = MDNode::getTemporary(Context, None);
+  Temp->setCanReplace(false);
+  EXPECT_DEATH(Temp->replaceAllUsesWith(nullptr),
+               "Attempted to replace Metadata marked for no replacement");
+  Temp->setCanReplace(true);
+  // Remove the references to Temp; required for teardown.
+  Temp->replaceAllUsesWith(nullptr);
+}
+
+#endif
+
 TEST_F(MDNodeTest, getDistinctWithUnresolvedOperands) {
   // temporary !{}
   auto Temp = MDTuple::getTemporary(Context, None);
diff --git a/unittests/IR/TypesTest.cpp b/unittests/IR/TypesTest.cpp
index b4dbf8e..f006db5 100644
--- a/unittests/IR/TypesTest.cpp
+++ b/unittests/IR/TypesTest.cpp
@@ -27,12 +27,12 @@ TEST(TypesTest, StructType) {
   EXPECT_FALSE(Struct->hasName());
 }
 
-TEST(TypesTest, LayoutIdenticalEmptyStructs) {

-  LLVMContext C;

-

-  StructType *Foo = StructType::create(C, "Foo");

-  StructType *Bar = StructType::create(C, "Bar");

-  EXPECT_TRUE(Foo->isLayoutIdentical(Bar));

-}

+TEST(TypesTest, LayoutIdenticalEmptyStructs) {
+  LLVMContext C;
+
+  StructType *Foo = StructType::create(C, "Foo");
+  StructType *Bar = StructType::create(C, "Bar");
+  EXPECT_TRUE(Foo->isLayoutIdentical(Bar));
+}
 
 }  // end anonymous namespace
diff --git a/unittests/ProfileData/InstrProfTest.cpp b/unittests/ProfileData/InstrProfTest.cpp
index 8f4db87..1ccc3ca 100644
--- a/unittests/ProfileData/InstrProfTest.cpp
+++ b/unittests/ProfileData/InstrProfTest.cpp
@@ -9,6 +9,7 @@
 
 #include "llvm/ProfileData/InstrProfReader.h"
 #include "llvm/ProfileData/InstrProfWriter.h"
+#include "llvm/Support/Compression.h"
 #include "gtest/gtest.h"
 
 #include <cstdarg>
@@ -583,4 +584,77 @@ TEST_F(InstrProfTest, instr_prof_symtab_test) {
   ASSERT_EQ(StringRef("bar3"), R);
 }
 
+TEST_F(InstrProfTest, instr_prof_symtab_compression_test) {
+  std::vector<std::string> FuncNames1;
+  std::vector<std::string> FuncNames2;
+  for (int I = 0; I < 10 * 1024; I++) {
+    std::string str;
+    raw_string_ostream OS(str);
+    OS << "func_" << I;
+    FuncNames1.push_back(OS.str());
+    str.clear();
+    OS << "fooooooooooooooo_" << I;
+    FuncNames1.push_back(OS.str());
+    str.clear();
+    OS << "BAR_" << I;
+    FuncNames2.push_back(OS.str());
+    str.clear();
+    OS << "BlahblahBlahblahBar_" << I;
+    FuncNames2.push_back(OS.str());
+  }
+
+  for (int Padding = 0; Padding < 10; Padding++) {
+    for (int DoCompression = 0; DoCompression < 2; DoCompression++) {
+      // Compressing:
+      std::string FuncNameStrings1;
+      collectPGOFuncNameStrings(FuncNames1,
+                                (DoCompression != 0 && zlib::isAvailable()),
+                                FuncNameStrings1);
+
+      // Compressing:
+      std::string FuncNameStrings2;
+      collectPGOFuncNameStrings(FuncNames2,
+                                (DoCompression != 0 && zlib::isAvailable()),
+                                FuncNameStrings2);
+
+      // Join with paddings:
+      std::string FuncNameStrings = FuncNameStrings1;
+      for (int P = 0; P < Padding; P++) {
+        FuncNameStrings.push_back('\0');
+      }
+      FuncNameStrings += FuncNameStrings2;
+
+      // Now decompress:
+      InstrProfSymtab Symtab;
+      Symtab.create(StringRef(FuncNameStrings));
+
+      // Now do the checks:
+      // First sampling some data points:
+      StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[0]));
+      ASSERT_EQ(StringRef("func_0"), R);
+      R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[1]));
+      ASSERT_EQ(StringRef("fooooooooooooooo_0"), R);
+      R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[998]));
+      ASSERT_EQ(StringRef("func_499"), R);
+      R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames1[999]));
+      ASSERT_EQ(StringRef("fooooooooooooooo_499"), R);
+      R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames2[100]));
+      ASSERT_EQ(StringRef("BAR_50"), R);
+      R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(FuncNames2[101]));
+      ASSERT_EQ(StringRef("BlahblahBlahblahBar_50"), R);
+      for (int I = 0; I < 10 * 1024; I++) {
+        std::string N[4];
+        N[0] = FuncNames1[2 * I];
+        N[1] = FuncNames1[2 * I + 1];
+        N[2] = FuncNames2[2 * I];
+        N[3] = FuncNames2[2 * I + 1];
+        for (int J = 0; J < 4; J++) {
+          StringRef R = Symtab.getFuncName(IndexedInstrProf::ComputeHash(N[J]));
+          ASSERT_EQ(StringRef(N[J]), R);
+        }
+      }
+    }
+  }
+}
+
 } // end anonymous namespace
diff --git a/unittests/Support/YAMLParserTest.cpp b/unittests/Support/YAMLParserTest.cpp
index 69b354a..41ad649 100644
--- a/unittests/Support/YAMLParserTest.cpp
+++ b/unittests/Support/YAMLParserTest.cpp
@@ -260,4 +260,76 @@ TEST(YAMLParser, DiagnosticFilenameFromBufferID) {
   EXPECT_EQ("buffername.yaml", GeneratedDiag.getFilename());
 }
 
+TEST(YAMLParser, SameNodeIteratorOperatorNotEquals) {
+  SourceMgr SM;
+  yaml::Stream Stream("[\"1\", \"2\"]", SM);
+
+  yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
+                                              Stream.begin()->getRoot());
+
+  auto Begin = Node->begin();
+  auto End = Node->end();
+
+  EXPECT_TRUE(Begin != End);
+  EXPECT_FALSE(Begin != Begin);
+  EXPECT_FALSE(End != End);
+}
+
+TEST(YAMLParser, SameNodeIteratorOperatorEquals) {
+  SourceMgr SM;
+  yaml::Stream Stream("[\"1\", \"2\"]", SM);
+
+  yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
+                                              Stream.begin()->getRoot());
+
+  auto Begin = Node->begin();
+  auto End = Node->end();
+
+  EXPECT_FALSE(Begin == End);
+  EXPECT_TRUE(Begin == Begin);
+  EXPECT_TRUE(End == End);
+}
+
+TEST(YAMLParser, DifferentNodesIteratorOperatorNotEquals) {
+  SourceMgr SM;
+  yaml::Stream Stream("[\"1\", \"2\"]", SM);
+  yaml::Stream AnotherStream("[\"1\", \"2\"]", SM);
+
+  yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
+                                                  Stream.begin()->getRoot());
+  yaml::SequenceNode *AnotherNode = dyn_cast<yaml::SequenceNode>(
+                                              AnotherStream.begin()->getRoot());
+
+  auto Begin = Node->begin();
+  auto End = Node->end();
+
+  auto AnotherBegin = AnotherNode->begin();
+  auto AnotherEnd = AnotherNode->end();
+
+  EXPECT_TRUE(Begin != AnotherBegin);
+  EXPECT_TRUE(Begin != AnotherEnd);
+  EXPECT_FALSE(End != AnotherEnd);
+}
+
+TEST(YAMLParser, DifferentNodesIteratorOperatorEquals) {
+  SourceMgr SM;
+  yaml::Stream Stream("[\"1\", \"2\"]", SM);
+  yaml::Stream AnotherStream("[\"1\", \"2\"]", SM);
+
+  yaml::SequenceNode *Node = dyn_cast<yaml::SequenceNode>(
+                                                    Stream.begin()->getRoot());
+  yaml::SequenceNode *AnotherNode = dyn_cast<yaml::SequenceNode>(
+                                             AnotherStream.begin()->getRoot());
+
+  auto Begin = Node->begin();
+  auto End = Node->end();
+
+  auto AnotherBegin = AnotherNode->begin();
+  auto AnotherEnd = AnotherNode->end();
+
+  EXPECT_FALSE(Begin == AnotherBegin);
+  EXPECT_FALSE(Begin == AnotherEnd);
+  EXPECT_TRUE(End == AnotherEnd);
+}
+
 } // end namespace llvm