diff options
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DIEHash.cpp | 1 | ||||
| -rw-r--r-- | unittests/CodeGen/DIEHashTest.cpp | 47 |
2 files changed, 48 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/DIEHash.cpp b/lib/CodeGen/AsmPrinter/DIEHash.cpp index 72be1b5950..c01778a786 100644 --- a/lib/CodeGen/AsmPrinter/DIEHash.cpp +++ b/lib/CodeGen/AsmPrinter/DIEHash.cpp @@ -306,6 +306,7 @@ void DIEHash::hashAttribute(AttrEntry Attr, dwarf::Tag Tag) { case dwarf::DW_FORM_data4: case dwarf::DW_FORM_data8: case dwarf::DW_FORM_udata: + case dwarf::DW_FORM_sdata: addULEB128('A'); addULEB128(Attribute); addULEB128(dwarf::DW_FORM_sdata); 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); +} } |