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Set DW_AT_APPLE_omit_frame_ptr in endFunction() where MachineFunction is available all the time.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103001 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-05-04 06:15:30 +00:00
parent acd8cab843
commit 9c488376ef
2 changed files with 40 additions and 4 deletions
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10
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1334,9 +1334,6 @@ DIE *DwarfDebug::createSubprogramDIE(const DISubprogram &SP, bool MakeDecl) {
if (SP.isOptimized())
addUInt(SPDie, dwarf::DW_AT_APPLE_optimized, dwarf::DW_FORM_flag, 1);
if (!DisableFramePointerElim(*Asm->MF))
addUInt(SPDie, dwarf::DW_AT_APPLE_omit_frame_ptr, dwarf::DW_FORM_flag, 1);
// DW_TAG_inlined_subroutine may refer to this DIE.
ModuleCU->insertDIE(SP.getNode(), SPDie);
@ -2533,8 +2530,13 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
AE = AbstractScopesList.end(); AI != AE; ++AI)
constructScopeDIE(*AI);
constructScopeDIE(CurrentFnDbgScope);
DIE *CurFnDIE = constructScopeDIE(CurrentFnDbgScope);
if (!DisableFramePointerElim(*MF))
addUInt(CurFnDIE, dwarf::DW_AT_APPLE_omit_frame_ptr,
dwarf::DW_FORM_flag, 1);
DebugFrames.push_back(FunctionDebugFrameInfo(Asm->getFunctionNumber(),
MMI->getFrameMoves()));
}

34
test/DebugInfo/2010-05-03-DisableFramePtr.ll Normal file
View File

@ -0,0 +1,34 @@
; RUN: llc -o /dev/null -disable-non-leaf-fp-elim < %s
; Radar 7937664
%struct.AppleEvent = type opaque
define void @DisposeDMNotificationUPP(void (%struct.AppleEvent*)* %userUPP) nounwind ssp {
entry:
%userUPP_addr = alloca void (%struct.AppleEvent*)* ; <void (%struct.AppleEvent*)**> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.declare(metadata !{void (%struct.AppleEvent*)** %userUPP_addr}, metadata !0), !dbg !13
store void (%struct.AppleEvent*)* %userUPP, void (%struct.AppleEvent*)** %userUPP_addr
br label %return, !dbg !14
return: ; preds = %entry
ret void, !dbg !14
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!0 = metadata !{i32 524545, metadata !1, metadata !"userUPP", metadata !2, i32 7, metadata !6} ; [ DW_TAG_arg_variable ]
!1 = metadata !{i32 524334, i32 0, metadata !2, metadata !"DisposeDMNotificationUPP", metadata !"DisposeDMNotificationUPP", metadata !"DisposeDMNotificationUPP", metadata !2, i32 7, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
!2 = metadata !{i32 524329, metadata !"t.c", metadata !"/Users/echeng/LLVM/radars/r7937664/", metadata !3} ; [ DW_TAG_file_type ]
!3 = metadata !{i32 524305, i32 0, i32 1, metadata !"t.c", metadata !"/Users/echeng/LLVM/radars/r7937664/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build 9999)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!4 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
!5 = metadata !{null, metadata !6}
!6 = metadata !{i32 524310, metadata !2, metadata !"DMNotificationUPP", metadata !2, i32 6, i64 0, i64 0, i64 0, i32 0, metadata !7} ; [ DW_TAG_typedef ]
!7 = metadata !{i32 524303, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !8} ; [ DW_TAG_pointer_type ]
!8 = metadata !{i32 524309, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !9, i32 0, null} ; [ DW_TAG_subroutine_type ]
!9 = metadata !{null, metadata !10}
!10 = metadata !{i32 524303, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
!11 = metadata !{i32 524310, metadata !2, metadata !"AppleEvent", metadata !2, i32 4, i64 0, i64 0, i64 0, i32 0, metadata !12} ; [ DW_TAG_typedef ]
!12 = metadata !{i32 524307, metadata !2, metadata !"AEDesc", metadata !2, i32 1, i64 0, i64 0, i64 0, i32 4, null, null, i32 0, null} ; [ DW_TAG_structure_type ]
!13 = metadata !{i32 7, i32 0, metadata !1, null}
!14 = metadata !{i32 8, i32 0, metadata !15, null}
!15 = metadata !{i32 524299, metadata !1, i32 7, i32 0} ; [ DW_TAG_lexical_block ]