unittests/Bitcode/DataLayoutUpgradeTest.cpp

   1 //===- DataLayoutUpgradeTest.cpp - Tests for DataLayout upgrades ----------===//
   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/AutoUpgrade.h"
  10 #include "gtest/gtest.h"
  11
  12 using namespace llvm;
  13
  14 namespace {
  15
  16 TEST(DataLayoutUpgradeTest, ValidDataLayoutUpgrade) {
  17   std::string DL1 =
  18       UpgradeDataLayoutString("e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128",
  19                               "x86_64-unknown-linux-gnu");
  20   std::string DL2 = UpgradeDataLayoutString(
  21       "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32", "i686-pc-windows-msvc");
  22   std::string DL3 = UpgradeDataLayoutString("e-m:o-i64:64-i128:128-n32:64-S128",
  23                                             "x86_64-apple-macosx");
  24   EXPECT_EQ(DL1, "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64"
  25                  "-f80:128-n8:16:32:64-S128");
  26   EXPECT_EQ(DL2, "e-m:w-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64"
  27                  "-f80:32-n8:16:32-S32");
  28   EXPECT_EQ(DL3, "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128"
  29                  "-n32:64-S128");
  30 }
  31
  32 TEST(DataLayoutUpgradeTest, NoDataLayoutUpgrade) {
  33   std::string DL1 = UpgradeDataLayoutString(
  34       "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
  35       "-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
  36       "-n8:16:32:64-S128",
  37       "x86_64-unknown-linux-gnu");
  38   std::string DL2 = UpgradeDataLayoutString("e-p:32:32", "i686-apple-darwin9");
  39   std::string DL3 = UpgradeDataLayoutString("e-m:e-i64:64-n32:64",
  40                                             "powerpc64le-unknown-linux-gnu");
  41   std::string DL4 =
  42       UpgradeDataLayoutString("e-m:o-i64:64-i128:128-n32:64-S128", "aarch64--");
  43   EXPECT_EQ(DL1, "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
  44                  "-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64"
  45                  "-f80:128:128-n8:16:32:64-S128");
  46   EXPECT_EQ(DL2, "e-p:32:32");
  47   EXPECT_EQ(DL3, "e-m:e-i64:64-n32:64");
  48   EXPECT_EQ(DL4, "e-m:o-i64:64-i128:128-n32:64-S128");
  49 }
  50
  51 TEST(DataLayoutUpgradeTest, EmptyDataLayout) {
  52   std::string DL1 = UpgradeDataLayoutString("", "x86_64-unknown-linux-gnu");
  53   std::string DL2 = UpgradeDataLayoutString(
  54       "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128", "");
  55   EXPECT_EQ(DL1, "");
  56   EXPECT_EQ(DL2, "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128");
  57 }
  58
  59 } // end namespace