6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-13 22:24:07 +00:00
Code Issues Projects Releases Wiki Activity

DIEHash: Use DW_FORM_sdata for integers, per spec.

Browse Source 
This allows us to produce the same hash as GCC for at least some simple
examples.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192855 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2013-10-16 23:36:20 +00:00
parent a85ad23a1f
commit c098708220
4 changed files with 47 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
unittests/CodeGen/DIEHashTest.cpp
View File

@ -23,6 +23,22 @@ TEST(DIEHashData1Test, DIEHash) {
DIEInteger Size(4);
Die.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Size);
uint64_t MD5Res = Hash.computeTypeSignature(&Die);
ASSERT_EQ(0x4F68EF1039F8D2BULL, MD5Res);
ASSERT_EQ(0x1AFE116E83701108ULL, MD5Res);
}
TEST(DIEHashTrivialTypeTest, DIEHash) {
// A complete, but simple, type containing no members and defined on the first
// line of a file.
DIE FooType(dwarf::DW_TAG_structure_type);
DIEInteger One(1);
FooType.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &One);
// Line and file number are ignored.
FooType.addValue(dwarf::DW_AT_decl_file, dwarf::DW_FORM_data1, &One);
FooType.addValue(dwarf::DW_AT_decl_line, dwarf::DW_FORM_data1, &One);
uint64_t MD5Res = DIEHash().computeTypeSignature(&FooType);
// The exact same hash GCC produces for this DIE.
ASSERT_EQ(0x715305ce6cfd9ad1ULL, MD5Res);
}
}