diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp index 93df498377c3..0e3db3c50859 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp @@ -1920,10 +1920,14 @@ void DwarfUnit::constructMemberDIE(DIE &Buffer, DIDerivedType DT) { // This is not a bitfield. OffsetInBytes = DT.getOffsetInBits() >> 3; - DIEBlock *MemLocationDie = new (DIEValueAllocator) DIEBlock(); - addUInt(MemLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst); - addUInt(MemLocationDie, dwarf::DW_FORM_udata, OffsetInBytes); - addBlock(MemberDie, dwarf::DW_AT_data_member_location, MemLocationDie); + if (DD->getDwarfVersion() <= 2) { + DIEBlock *MemLocationDie = new (DIEValueAllocator) DIEBlock(); + addUInt(MemLocationDie, dwarf::DW_FORM_data1, dwarf::DW_OP_plus_uconst); + addUInt(MemLocationDie, dwarf::DW_FORM_udata, OffsetInBytes); + addBlock(MemberDie, dwarf::DW_AT_data_member_location, MemLocationDie); + } else + addUInt(MemberDie, dwarf::DW_AT_data_member_location, None, + OffsetInBytes); } if (DT.isProtected()) diff --git a/llvm/test/DebugInfo/X86/concrete_out_of_line.ll b/llvm/test/DebugInfo/X86/concrete_out_of_line.ll index fab6793f0357..4a152963a144 100644 --- a/llvm/test/DebugInfo/X86/concrete_out_of_line.ll +++ b/llvm/test/DebugInfo/X86/concrete_out_of_line.ll @@ -7,15 +7,15 @@ ; first check that we have a TAG_subprogram at a given offset and it has ; AT_inline. -; CHECK: 0x0000011e: DW_TAG_subprogram [17] +; CHECK: 0x0000011c: DW_TAG_subprogram [17] ; CHECK-NEXT: DW_AT_specification ; CHECK-NEXT: DW_AT_inline ; and then that a TAG_subprogram refers to it with AT_abstract_origin. -; CHECK: 0x0000015f: DW_TAG_subprogram [19] -; CHECK-NEXT: DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x011e => {0x0000011e}) +; CHECK: 0x0000015d: DW_TAG_subprogram [19] +; CHECK-NEXT: DW_AT_abstract_origin [DW_FORM_ref4] (cu + 0x011c => {0x0000011c}) define i32 @_ZN17nsAutoRefCnt7ReleaseEv() { entry: diff --git a/llvm/test/DebugInfo/X86/data_member_location.ll b/llvm/test/DebugInfo/X86/data_member_location.ll index a619d82ae3c6..bec0eaa40684 100644 --- a/llvm/test/DebugInfo/X86/data_member_location.ll +++ b/llvm/test/DebugInfo/X86/data_member_location.ll @@ -1,4 +1,5 @@ ; RUN: llc -mtriple=x86_64-linux -O0 -o - -filetype=obj < %s | llvm-dwarfdump -debug-dump=info -| FileCheck %s +; RUN: llc -mtriple=x86_64-linux -dwarf-version=2 -O0 -o - -filetype=obj < %s | llvm-dwarfdump -debug-dump=info -| FileCheck -check-prefix=DWARF2 %s ; Generated from Clang with the following source: ; @@ -11,11 +12,19 @@ ; CHECK: DW_AT_name {{.*}} "c" ; CHECK-NOT: DW_TAG -; CHECK: DW_AT_data_member_location {{.*}} (<0x02> 23 00 ) +; CHECK: DW_AT_data_member_location {{.*}} (0x00) ; CHECK: DW_AT_name {{.*}} "i" ; CHECK-NOT: DW_TAG -; CHECK: DW_AT_data_member_location {{.*}} (<0x02> 23 04 ) +; CHECK: DW_AT_data_member_location {{.*}} (0x04) + +; DWARF2: DW_AT_name {{.*}} "c" +; DWARF2-NOT: DW_TAG +; DWARF2: DW_AT_data_member_location {{.*}} (<0x02> 23 00 ) + +; DWARF2: DW_AT_name {{.*}} "i" +; DWARF2-NOT: DW_TAG +; DWARF2: DW_AT_data_member_location {{.*}} (<0x02> 23 04 ) %struct.foo = type { i8, i32 } diff --git a/llvm/test/DebugInfo/X86/generate-odr-hash.ll b/llvm/test/DebugInfo/X86/generate-odr-hash.ll index a66533cdeb51..28c4295826d5 100644 --- a/llvm/test/DebugInfo/X86/generate-odr-hash.ll +++ b/llvm/test/DebugInfo/X86/generate-odr-hash.ll @@ -1,8 +1,5 @@ ; REQUIRES: object-emission -; Fail while investigating problem with non-block representations of member offsets. -; XFAIL: * - ; RUN: llc %s -o %t -filetype=obj -O0 -generate-type-units -generate-odr-hash -mtriple=x86_64-unknown-linux-gnu ; RUN: llvm-dwarfdump %t | FileCheck %s