unittests/IR/MDBuilderTest.cpp

   1 //===- llvm/unittests/MDBuilderTest.cpp - MDBuilder unit tests ------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/IR/MDBuilder.h"
  10 #include "llvm/IR/IRBuilder.h"
  11 #include "llvm/IR/Metadata.h"
  12 #include "llvm/IR/Operator.h"
  13 #include "gtest/gtest.h"
  14
  15 using namespace llvm;
  16
  17 namespace {
  18
  19 class MDBuilderTest : public testing::Test {
  20 protected:
  21   LLVMContext Context;
  22 };
  23
  24 TEST_F(MDBuilderTest, createString) {
  25   MDBuilder MDHelper(Context);
  26   MDString *Str0 = MDHelper.createString("");
  27   MDString *Str1 = MDHelper.createString("string");
  28   EXPECT_EQ(Str0->getString(), StringRef(""));
  29   EXPECT_EQ(Str1->getString(), StringRef("string"));
  30 }
  31 TEST_F(MDBuilderTest, createFPMath) {
  32   MDBuilder MDHelper(Context);
  33   MDNode *MD0 = MDHelper.createFPMath(0.0);
  34   MDNode *MD1 = MDHelper.createFPMath(1.0);
  35   EXPECT_EQ(MD0, (MDNode *)nullptr);
  36   EXPECT_NE(MD1, (MDNode *)nullptr);
  37   EXPECT_EQ(MD1->getNumOperands(), 1U);
  38   Metadata *Op = MD1->getOperand(0);
  39   EXPECT_TRUE(mdconst::hasa<ConstantFP>(Op));
  40   ConstantFP *Val = mdconst::extract<ConstantFP>(Op);
  41   EXPECT_TRUE(Val->getType()->isFloatingPointTy());
  42   EXPECT_TRUE(Val->isExactlyValue(1.0));
  43 }
  44 TEST_F(MDBuilderTest, createRangeMetadata) {
  45   MDBuilder MDHelper(Context);
  46   APInt A(8, 1), B(8, 2);
  47   MDNode *R0 = MDHelper.createRange(A, A);
  48   MDNode *R1 = MDHelper.createRange(A, B);
  49   EXPECT_EQ(R0, (MDNode *)nullptr);
  50   EXPECT_NE(R1, (MDNode *)nullptr);
  51   EXPECT_EQ(R1->getNumOperands(), 2U);
  52   EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(0)));
  53   EXPECT_TRUE(mdconst::hasa<ConstantInt>(R1->getOperand(1)));
  54   ConstantInt *C0 = mdconst::extract<ConstantInt>(R1->getOperand(0));
  55   ConstantInt *C1 = mdconst::extract<ConstantInt>(R1->getOperand(1));
  56   EXPECT_EQ(C0->getValue(), A);
  57   EXPECT_EQ(C1->getValue(), B);
  58 }
  59 TEST_F(MDBuilderTest, createAnonymousTBAARoot) {
  60   MDBuilder MDHelper(Context);
  61   MDNode *R0 = MDHelper.createAnonymousTBAARoot();
  62   MDNode *R1 = MDHelper.createAnonymousTBAARoot();
  63   EXPECT_NE(R0, R1);
  64   EXPECT_GE(R0->getNumOperands(), 1U);
  65   EXPECT_GE(R1->getNumOperands(), 1U);
  66   EXPECT_EQ(R0->getOperand(0), R0);
  67   EXPECT_EQ(R1->getOperand(0), R1);
  68   EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr);
  69   EXPECT_TRUE(R1->getNumOperands() == 1 || R1->getOperand(1) == nullptr);
  70 }
  71 TEST_F(MDBuilderTest, createTBAARoot) {
  72   MDBuilder MDHelper(Context);
  73   MDNode *R0 = MDHelper.createTBAARoot("Root");
  74   MDNode *R1 = MDHelper.createTBAARoot("Root");
  75   EXPECT_EQ(R0, R1);
  76   EXPECT_GE(R0->getNumOperands(), 1U);
  77   EXPECT_TRUE(isa<MDString>(R0->getOperand(0)));
  78   EXPECT_EQ(cast<MDString>(R0->getOperand(0))->getString(), "Root");
  79   EXPECT_TRUE(R0->getNumOperands() == 1 || R0->getOperand(1) == nullptr);
  80 }
  81 TEST_F(MDBuilderTest, createTBAANode) {
  82   MDBuilder MDHelper(Context);
  83   MDNode *R = MDHelper.createTBAARoot("Root");
  84   MDNode *N0 = MDHelper.createTBAANode("Node", R);
  85   MDNode *N1 = MDHelper.createTBAANode("edoN", R);
  86   MDNode *N2 = MDHelper.createTBAANode("Node", R, true);
  87   MDNode *N3 = MDHelper.createTBAANode("Node", R);
  88   EXPECT_EQ(N0, N3);
  89   EXPECT_NE(N0, N1);
  90   EXPECT_NE(N0, N2);
  91   EXPECT_GE(N0->getNumOperands(), 2U);
  92   EXPECT_GE(N1->getNumOperands(), 2U);
  93   EXPECT_GE(N2->getNumOperands(), 3U);
  94   EXPECT_TRUE(isa<MDString>(N0->getOperand(0)));
  95   EXPECT_TRUE(isa<MDString>(N1->getOperand(0)));
  96   EXPECT_TRUE(isa<MDString>(N2->getOperand(0)));
  97   EXPECT_EQ(cast<MDString>(N0->getOperand(0))->getString(), "Node");
  98   EXPECT_EQ(cast<MDString>(N1->getOperand(0))->getString(), "edoN");
  99   EXPECT_EQ(cast<MDString>(N2->getOperand(0))->getString(), "Node");
 100   EXPECT_EQ(N0->getOperand(1), R);
 101   EXPECT_EQ(N1->getOperand(1), R);
 102   EXPECT_EQ(N2->getOperand(1), R);
 103   EXPECT_TRUE(mdconst::hasa<ConstantInt>(N2->getOperand(2)));
 104   EXPECT_EQ(mdconst::extract<ConstantInt>(N2->getOperand(2))->getZExtValue(),
 105             1U);
 106 }
 107 }