diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -429,7 +429,7 @@ UseGNUTLSOpcode = tuneForGDB() || DwarfVersion < 3; // GDB does not fully support the DWARF 4 representation for bitfields. - UseDWARF2Bitfields = (DwarfVersion < 4) || tuneForGDB(); + UseDWARF2Bitfields = (DwarfVersion < 4) ;//|| tuneForGDB(); // The DWARF v5 string offsets table has - possibly shared - contributions // from each compile and type unit each preceded by a header. The string diff --git a/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll b/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll --- a/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll +++ b/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll @@ -1,8 +1,5 @@ ; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \ ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s -; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \ -; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=LINUX -; LINUX-NOT: DW_AT_data_bit_offset ; ; Generated from: ; #include diff --git a/llvm/test/DebugInfo/X86/packed_bitfields.ll b/llvm/test/DebugInfo/X86/packed_bitfields.ll --- a/llvm/test/DebugInfo/X86/packed_bitfields.ll +++ b/llvm/test/DebugInfo/X86/packed_bitfields.ll @@ -1,7 +1,5 @@ ; RUN: llc -dwarf-version=2 -mtriple x86_64-apple-macosx -O0 -filetype=obj -o %t_2_le.o %s ; RUN: llvm-dwarfdump -v -debug-info %t_2_le.o | FileCheck %s -; RUN: llc -dwarf-version=4 -debugger-tune=gdb -mtriple x86_64-apple-macosx -O0 -filetype=obj -o %t_4_le.o %s -; RUN: llvm-dwarfdump -v -debug-info %t_4_le.o | FileCheck %s ; Produced at -O0 from: ; struct {