vendor/llvm/llvm-trunk-r321017

1 files changed, 339 insertions, 0 deletions

diff --git a/unittests/CodeGen/MachineOperandTest.cpp b/unittests/CodeGen/MachineOperandTest.cpp
new file mode 100644
index 000000000000..e51207b95716
--- /dev/null
+++ b/unittests/CodeGen/MachineOperandTest.cpp
@@ -0,0 +1,339 @@
+//===- MachineOperandTest.cpp ---------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/ADT/ilist_node.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/ModuleSlotTracker.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/Support/raw_ostream.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+namespace {
+
+TEST(MachineOperandTest, ChangeToTargetIndexTest) {
+  // Creating a MachineOperand to change it to TargetIndex
+  MachineOperand MO = MachineOperand::CreateImm(50);
+
+  // Checking some precondition on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isImm());
+  ASSERT_TRUE(MO.getImm() == 50);
+  ASSERT_FALSE(MO.isTargetIndex());
+
+  // Changing to TargetIndex with some arbitrary values
+  // for index, offset and flags.
+  MO.ChangeToTargetIndex(74, 57, 12);
+
+  // Checking that the mutation to TargetIndex happened
+  // correctly.
+  ASSERT_TRUE(MO.isTargetIndex());
+  ASSERT_TRUE(MO.getIndex() == 74);
+  ASSERT_TRUE(MO.getOffset() == 57);
+  ASSERT_TRUE(MO.getTargetFlags() == 12);
+}
+
+TEST(MachineOperandTest, PrintRegisterMask) {
+  uint32_t Dummy;
+  MachineOperand MO = MachineOperand::CreateRegMask(&Dummy);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isRegMask());
+  ASSERT_TRUE(MO.getRegMask() == &Dummy);
+
+  // Print a MachineOperand containing a RegMask. Here we check that without a
+  // TRI and IntrinsicInfo we still print a less detailed regmask.
+  std::string str;
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "<regmask ...>");
+}
+
+TEST(MachineOperandTest, PrintSubReg) {
+  // Create a MachineOperand with RegNum=1 and SubReg=5.
+  MachineOperand MO = MachineOperand::CreateReg(
+      /*Reg=*/1, /*isDef=*/false, /*isImp=*/false, /*isKill=*/false,
+      /*isDead=*/false, /*isUndef=*/false, /*isEarlyClobber=*/false,
+      /*SubReg=*/5, /*isDebug=*/false, /*isInternalRead=*/false);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isReg());
+  ASSERT_TRUE(MO.getReg() == 1);
+  ASSERT_TRUE(MO.getSubReg() == 5);
+
+  // Print a MachineOperand containing a SubReg. Here we check that without a
+  // TRI and IntrinsicInfo we can still print the subreg index.
+  std::string str;
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "%physreg1.subreg5");
+}
+
+TEST(MachineOperandTest, PrintCImm) {
+  LLVMContext Context;
+  APInt Int(128, UINT64_MAX);
+  ++Int;
+  ConstantInt *CImm = ConstantInt::get(Context, Int);
+  // Create a MachineOperand with an Imm=(UINT64_MAX + 1)
+  MachineOperand MO = MachineOperand::CreateCImm(CImm);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isCImm());
+  ASSERT_TRUE(MO.getCImm() == CImm);
+  ASSERT_TRUE(MO.getCImm()->getValue() == Int);
+
+  // Print a MachineOperand containing a SubReg. Here we check that without a
+  // TRI and IntrinsicInfo we can still print the subreg index.
+  std::string str;
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "i128 18446744073709551616");
+}
+
+TEST(MachineOperandTest, PrintSubRegIndex) {
+  // Create a MachineOperand with an immediate and print it as a subreg index.
+  MachineOperand MO = MachineOperand::CreateImm(3);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isImm());
+  ASSERT_TRUE(MO.getImm() == 3);
+
+  // Print a MachineOperand containing a SubRegIdx. Here we check that without a
+  // TRI and IntrinsicInfo we can print the operand as a subreg index.
+  std::string str;
+  raw_string_ostream OS(str);
+  ModuleSlotTracker DummyMST(nullptr);
+  MachineOperand::printSubregIdx(OS, MO.getImm(), nullptr);
+  ASSERT_TRUE(OS.str() == "%subreg.3");
+}
+
+TEST(MachineOperandTest, PrintCPI) {
+  // Create a MachineOperand with a constant pool index and print it.
+  MachineOperand MO = MachineOperand::CreateCPI(0, 8);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isCPI());
+  ASSERT_TRUE(MO.getIndex() == 0);
+  ASSERT_TRUE(MO.getOffset() == 8);
+
+  // Print a MachineOperand containing a constant pool index and a positive
+  // offset.
+  std::string str;
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "%const.0 + 8");
+  }
+
+  str.clear();
+
+  MO.setOffset(-12);
+
+  // Print a MachineOperand containing a constant pool index and a negative
+  // offset.
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "%const.0 - 12");
+  }
+}
+
+TEST(MachineOperandTest, PrintTargetIndexName) {
+  // Create a MachineOperand with a target index and print it.
+  MachineOperand MO = MachineOperand::CreateTargetIndex(0, 8);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isTargetIndex());
+  ASSERT_TRUE(MO.getIndex() == 0);
+  ASSERT_TRUE(MO.getOffset() == 8);
+
+  // Print a MachineOperand containing a target index and a positive offset.
+  std::string str;
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "target-index(<unknown>) + 8");
+  }
+
+  str.clear();
+
+  MO.setOffset(-12);
+
+  // Print a MachineOperand containing a target index and a negative offset.
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "target-index(<unknown>) - 12");
+  }
+}
+
+TEST(MachineOperandTest, PrintJumpTableIndex) {
+  // Create a MachineOperand with a jump-table index and print it.
+  MachineOperand MO = MachineOperand::CreateJTI(3);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isJTI());
+  ASSERT_TRUE(MO.getIndex() == 3);
+
+  // Print a MachineOperand containing a jump-table index.
+  std::string str;
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "%jump-table.3");
+}
+
+TEST(MachineOperandTest, PrintExternalSymbol) {
+  // Create a MachineOperand with an external symbol and print it.
+  MachineOperand MO = MachineOperand::CreateES("foo");
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isSymbol());
+  ASSERT_TRUE(MO.getSymbolName() == StringRef("foo"));
+
+  // Print a MachineOperand containing an external symbol and no offset.
+  std::string str;
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "$foo");
+  }
+
+  str.clear();
+  MO.setOffset(12);
+
+  // Print a MachineOperand containing an external symbol and a positive offset.
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "$foo + 12");
+  }
+
+  str.clear();
+  MO.setOffset(-12);
+
+  // Print a MachineOperand containing an external symbol and a negative offset.
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "$foo - 12");
+  }
+}
+
+TEST(MachineOperandTest, PrintGlobalAddress) {
+  LLVMContext Ctx;
+  Module M("MachineOperandGVTest", Ctx);
+  M.getOrInsertGlobal("foo", Type::getInt32Ty(Ctx));
+
+  GlobalValue *GV = M.getNamedValue("foo");
+
+  // Create a MachineOperand with a global address and a positive offset and
+  // print it.
+  MachineOperand MO = MachineOperand::CreateGA(GV, 12);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isGlobal());
+  ASSERT_TRUE(MO.getGlobal() == GV);
+  ASSERT_TRUE(MO.getOffset() == 12);
+
+  std::string str;
+  // Print a MachineOperand containing a global address and a positive offset.
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "@foo + 12");
+  }
+
+  str.clear();
+  MO.setOffset(-12);
+
+  // Print a MachineOperand containing a global address and a negative offset.
+  {
+    raw_string_ostream OS(str);
+    MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+    ASSERT_TRUE(OS.str() == "@foo - 12");
+  }
+}
+
+TEST(MachineOperandTest, PrintRegisterLiveOut) {
+  // Create a MachineOperand with a register live out list and print it.
+  uint32_t Mask = 0;
+  MachineOperand MO = MachineOperand::CreateRegLiveOut(&Mask);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isRegLiveOut());
+  ASSERT_TRUE(MO.getRegLiveOut() == &Mask);
+
+  std::string str;
+  // Print a MachineOperand containing a register live out list without a TRI.
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "liveout(<unknown>)");
+}
+
+TEST(MachineOperandTest, PrintMetadata) {
+  LLVMContext Ctx;
+  Module M("MachineOperandMDNodeTest", Ctx);
+  NamedMDNode *MD = M.getOrInsertNamedMetadata("namedmd");
+  ModuleSlotTracker DummyMST(&M);
+  Metadata *MDS = MDString::get(Ctx, "foo");
+  MDNode *Node = MDNode::get(Ctx, MDS);
+  MD->addOperand(Node);
+
+  // Create a MachineOperand with a metadata and print it.
+  MachineOperand MO = MachineOperand::CreateMetadata(Node);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isMetadata());
+  ASSERT_TRUE(MO.getMetadata() == Node);
+
+  std::string str;
+  // Print a MachineOperand containing a metadata node.
+  raw_string_ostream OS(str);
+  MO.print(OS, DummyMST, LLT{}, false, false, 0, /*TRI=*/nullptr,
+           /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "!0");
+}
+
+TEST(MachineOperandTest, PrintMCSymbol) {
+  MCAsmInfo MAI;
+  MCContext Ctx(&MAI, /*MRI=*/nullptr, /*MOFI=*/nullptr);
+  MCSymbol *Sym = Ctx.getOrCreateSymbol("foo");
+
+  // Create a MachineOperand with a metadata and print it.
+  MachineOperand MO = MachineOperand::CreateMCSymbol(Sym);
+
+  // Checking some preconditions on the newly created
+  // MachineOperand.
+  ASSERT_TRUE(MO.isMCSymbol());
+  ASSERT_TRUE(MO.getMCSymbol() == Sym);
+
+  std::string str;
+  // Print a MachineOperand containing a metadata node.
+  raw_string_ostream OS(str);
+  MO.print(OS, /*TRI=*/nullptr, /*IntrinsicInfo=*/nullptr);
+  ASSERT_TRUE(OS.str() == "<mcsymbol foo>");
+}
+
+} // end namespace