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[Triple] Add a helper to switch between big/little endian variants

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This will be used from clang's driver.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241527 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-07-06 23:58:14 +00:00
parent 34be8041b3
commit 32f3dc455b
3 changed files with 210 additions and 0 deletions
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78
unittests/ADT/TripleTest.cpp
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@@ -553,6 +553,84 @@ TEST(TripleTest, BitWidthArchVariants) {
EXPECT_EQ(Triple::wasm64, T.get64BitArchVariant().getArch());
}
TEST(TripleTest, EndianArchVariants) {
Triple T;
EXPECT_EQ(Triple::UnknownArch, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::UnknownArch, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::UnknownArch);
EXPECT_EQ(Triple::UnknownArch, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::UnknownArch, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::aarch64_be);
EXPECT_EQ(Triple::aarch64_be, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::aarch64, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::aarch64);
EXPECT_EQ(Triple::aarch64_be, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::aarch64, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::armeb);
EXPECT_EQ(Triple::armeb, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::UnknownArch, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::arm);
EXPECT_EQ(Triple::UnknownArch, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::arm, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::bpfeb);
EXPECT_EQ(Triple::bpfeb, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::bpfel, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::bpfel);
EXPECT_EQ(Triple::bpfeb, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::bpfel, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::mips64);
EXPECT_EQ(Triple::mips64, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::mips64el, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::mips64el);
EXPECT_EQ(Triple::mips64, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::mips64el, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::mips);
EXPECT_EQ(Triple::mips, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::mipsel, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::mipsel);
EXPECT_EQ(Triple::mips, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::mipsel, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::ppc);
EXPECT_EQ(Triple::ppc, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::UnknownArch, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::ppc64);
EXPECT_EQ(Triple::ppc64, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::ppc64le, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::ppc64le);
EXPECT_EQ(Triple::ppc64, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::ppc64le, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::sparc);
EXPECT_EQ(Triple::sparc, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::sparcel, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::sparcel);
EXPECT_EQ(Triple::sparc, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::sparcel, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::thumb);
EXPECT_EQ(Triple::UnknownArch, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::thumb, T.getLittleEndianArchVariant().getArch());
T.setArch(Triple::thumbeb);
EXPECT_EQ(Triple::thumbeb, T.getBigEndianArchVariant().getArch());
EXPECT_EQ(Triple::UnknownArch, T.getLittleEndianArchVariant().getArch());
}
TEST(TripleTest, getOSVersion) {
Triple T;
unsigned Major, Minor, Micro;