llvm/unittests/MC/MCDisassemblerTest.cpp

   1 //===- MCDisassemblerTest.cpp - Tests for MCDisassembler.cpp --------------===//
   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/MC/MCDisassembler/MCDisassembler.h"
  10 #include "gtest/gtest.h"
  11
  12 using namespace llvm;
  13
  14 TEST(MCDisassembler, XCOFFSymbolPriorityTest) {
  15   SymbolInfoTy SIT1(std::nullopt, 0x100000, "sym1", 1, false);
  16   SymbolInfoTy SIT2(std::nullopt, 0x110000, "sym2", 2, false);
  17   SymbolInfoTy SIT3(XCOFF::XMC_PR, 0x120000, ".func", 3, true);
  18   SymbolInfoTy SIT4(XCOFF::XMC_PR, 0x120000, ".text", 4, false);
  19   SymbolInfoTy SIT5(XCOFF::XMC_TC0, 0x130000, "TOC", 5, false);
  20   SymbolInfoTy SIT6(XCOFF::XMC_TC, 0x130000, "func", 6, false);
  21
  22   // Test that higher addresses would appear later than lower ones when symbols
  23   // are sorted in ascending order.
  24   EXPECT_TRUE(SIT1 < SIT2);
  25   EXPECT_FALSE(SIT2 < SIT1);
  26
  27   // Test that symbols with a StorageMappingClass have higher priority than those
  28   // without.
  29   EXPECT_TRUE(SIT2 < SIT5);
  30   EXPECT_FALSE(SIT5 < SIT2);
  31
  32   // Test that symbols with a TC0 StorageMappingClass have lower priority than those
  33   // with some other StorageMappingClass.
  34   EXPECT_TRUE(SIT5 < SIT6);
  35   EXPECT_FALSE(SIT6 < SIT5);
  36
  37   // Test label symbols have higher priorty than non-label symbols.
  38   EXPECT_TRUE(SIT4 < SIT3);
  39   EXPECT_FALSE(SIT3 < SIT4);
  40
  41   // Test symbols comparing with themselves.
  42   EXPECT_FALSE(SIT1 < SIT1);
  43   EXPECT_FALSE(SIT2 < SIT2);
  44   EXPECT_FALSE(SIT3 < SIT3);
  45   EXPECT_FALSE(SIT4 < SIT4);
  46   EXPECT_FALSE(SIT5 < SIT5);
  47   EXPECT_FALSE(SIT6 < SIT6);
  48 }