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
  16   SymbolInfoTy SIT1(0x100000, "sym1", None, 1, false);
  17   SymbolInfoTy SIT2(0x110000, "sym2", None, 2, false);
  18   SymbolInfoTy SIT3(0x120000, ".func", XCOFF::XMC_PR, 3, true);
  19   SymbolInfoTy SIT4(0x120000, ".text", XCOFF::XMC_PR, 4, false);
  20   SymbolInfoTy SIT5(0x130000, "TOC", XCOFF::XMC_TC0, 5, false);
  21   SymbolInfoTy SIT6(0x130000, "func", XCOFF::XMC_TC, 6, false);
  22
  23   // Test that higher addresses would appear later than lower ones when symbols
  24   // are sorted in ascending order.
  25   EXPECT_TRUE(SIT1 < SIT2);
  26   EXPECT_FALSE(SIT2 < SIT1);
  27
  28   // Test that symbols with a StorageMappingClass have higher priority than those
  29   // without.
  30   EXPECT_TRUE(SIT2 < SIT5);
  31   EXPECT_FALSE(SIT5 < SIT2);
  32
  33   // Test that symbols with a TC0 StorageMappingClass have lower priority than those
  34   // with some other StorageMappingClass.
  35   EXPECT_TRUE(SIT5 < SIT6);
  36   EXPECT_FALSE(SIT6 < SIT5);
  37
  38   // Test label symbols have higher priorty than non-label symbols.
  39   EXPECT_TRUE(SIT4 < SIT3);
  40   EXPECT_FALSE(SIT3 < SIT4);
  41
  42   // Test symbols comparing with themselves.
  43   EXPECT_FALSE(SIT1 < SIT1);
  44   EXPECT_FALSE(SIT2 < SIT2);
  45   EXPECT_FALSE(SIT3 < SIT3);
  46   EXPECT_FALSE(SIT4 < SIT4);
  47   EXPECT_FALSE(SIT5 < SIT5);
  48   EXPECT_FALSE(SIT6 < SIT6);
  49 }