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author | Eric Christopher <echristo@gmail.com> | 2014-02-20 00:54:40 +0000 |
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committer | Eric Christopher <echristo@gmail.com> | 2014-02-20 00:54:40 +0000 |
commit | f5334f24213805f5c2c3a35372c581f34ab255dc (patch) | |
tree | 04d20d08f820035442f30c24b64cf332e0b0c9f5 /unittests/CodeGen | |
parent | 79069f9b50c578b981ea1b6a8310a59eef1680d9 (diff) | |
download | llvm-f5334f24213805f5c2c3a35372c581f34ab255dc.tar.gz llvm-f5334f24213805f5c2c3a35372c581f34ab255dc.tar.bz2 llvm-f5334f24213805f5c2c3a35372c581f34ab255dc.tar.xz |
Add support for hashing DW_FORM_sdata and a small testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201747 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/CodeGen')
-rw-r--r-- | unittests/CodeGen/DIEHashTest.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/unittests/CodeGen/DIEHashTest.cpp b/unittests/CodeGen/DIEHashTest.cpp index 43294df6d3..b6d091987a 100644 --- a/unittests/CodeGen/DIEHashTest.cpp +++ b/unittests/CodeGen/DIEHashTest.cpp @@ -549,4 +549,51 @@ TEST(DIEHashTest, MemberFuncFlag) { // The exact same hash GCC produces for this DIE. ASSERT_EQ(0x8f78211ddce3df10ULL, MD5Res); } + +// Derived from: +// struct A { +// const static float PI = 3.14f; +// }; +// A a; +TEST(DIEHashTest, MemberBlock) { + DIE A(dwarf::DW_TAG_structure_type); + DIEInteger One(1); + DIEString AStr(&One, "A"); + A.addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &AStr); + A.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One); + A.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One); + A.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One); + + DIEInteger Four(4); + DIEInteger Five(5); + DIEString FStr(&One, "int"); + DIE *IntTyDIE = new DIE(dwarf::DW_TAG_base_type); + IntTyDIE->addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Four); + IntTyDIE->addValue(dwarf::DW_AT_encoding, dwarf::DW_FORM_data1, &Five); + IntTyDIE->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &FStr); + + DIEEntry IntTy(IntTyDIE); + DIE *PITyDIE = new DIE(dwarf::DW_TAG_const_type); + PITyDIE->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &IntTy); + + DIEEntry PITy(PITyDIE); + DIE *PI = new DIE(dwarf::DW_TAG_member); + DIEString PIStr(&One, "PI"); + DIEInteger Two(2); + DIEInteger NegThree(-3); + PI->addValue(dwarf::DW_AT_name, dwarf::DW_FORM_strp, &PIStr); + PI->addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One); + PI->addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &Two); + PI->addValue(dwarf::DW_AT_type, dwarf::DW_FORM_ref4, &PITy); + PI->addValue(dwarf::DW_AT_external, dwarf::DW_FORM_flag_present, &One); + PI->addValue(dwarf::DW_AT_declaration, dwarf::DW_FORM_flag_present, &One); + PI->addValue(dwarf::DW_AT_const_value, dwarf::DW_FORM_sdata, &NegThree); + + A.addChild(PI); + + A.dump(); + + uint64_t MD5Res = DIEHash().computeTypeSignature(A); + ASSERT_EQ(0x9a216000dd3788a7ULL, MD5Res); +} } |