Asm->OutStreamer.getContext().setMCLineTableSymbol(LineTableStartSym,
NewCU->getUniqueID());
+ // Use a single line table if we are using .loc and generating assembly.
+ bool UseTheFirstCU =
+ (Asm->TM.hasMCUseLoc() &&
+ Asm->OutStreamer.getKind() == MCStreamer::SK_AsmStreamer) ||
+ (NewCU->getUniqueID() == 0);
+
// DW_AT_stmt_list is a offset of line number information for this
// compile unit in debug_line section. For split dwarf this is
// left in the skeleton CU and so not included.
if (!useSplitDwarf()) {
if (Asm->MAI->doesDwarfUseRelocationsAcrossSections())
NewCU->addLabel(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4,
- NewCU->getUniqueID() == 0 ?
+ UseTheFirstCU ?
Asm->GetTempSymbol("section_line") : LineTableStartSym);
- else if (NewCU->getUniqueID() == 0)
+ else if (UseTheFirstCU)
NewCU->addUInt(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4, 0);
else
NewCU->addDelta(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4,
LexicalScope *FnScope = LScopes.getCurrentFunctionScope();
CompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode());
assert(TheCU && "Unable to find compile unit!");
- Asm->OutStreamer.getContext().setDwarfCompileUnitID(TheCU->getUniqueID());
+ if (Asm->TM.hasMCUseLoc() &&
+ Asm->OutStreamer.getKind() == MCStreamer::SK_AsmStreamer)
+ // Use a single line table if we are using .loc and generating assembly.
+ Asm->OutStreamer.getContext().setDwarfCompileUnitID(0);
+ else
+ Asm->OutStreamer.getContext().setDwarfCompileUnitID(TheCU->getUniqueID());
FunctionBeginSym = Asm->GetTempSymbol("func_begin",
Asm->getFunctionNumber());
; RUN: llc -O0 %s -mtriple=x86_64-apple-darwin -filetype=obj -o %t
; RUN: llvm-dwarfdump %t | FileCheck %s
+; RUN: llc < %s -O0 -mtriple=x86_64-apple-macosx10.7 | FileCheck %s -check-prefix=ASM
; rdar://13067005
; CHECK: .debug_info contents:
; CHECK: file_names[ 1] 0 0x00000000 0x00000000 simple2.c
; CHECK-NOT: file_names
+; PR15408
+; ASM: L__DWARF__debug_info_begin0:
+; ASM: .long 0 ## DW_AT_stmt_list
+; ASM: L__DWARF__debug_info_begin1:
+; ASM: .long 0 ## DW_AT_stmt_list
define i32 @test(i32 %a) nounwind uwtable ssp {
entry:
%a.addr = alloca i32, align 4