[llvm] r192011 - Debug info: Don't crash in SelectionDAGISel when a vreg that is being
Eric Christopher
echristo at gmail.com
Fri Oct 4 17:44:41 PDT 2013
Fun. OK, I worry that we're dropping arguments after this (and hey,
simplified testcases are good too), but I guess we'll have to find out
:\
-eric
On Fri, Oct 4, 2013 at 5:42 PM, Adrian Prantl <aprantl at apple.com> wrote:
> So this is where it gets complicated:
> The source code looks roughly like this:
>
> Matrix Ellipse::GetMatrix()
> {
> ... some inlined function ...
> Matrix matrix;
> ... some inline function ...
> return matrix;
> }
>
> So we need to be tracking it because the local variable matrix uses the storage of the return argument.
>
> -- adrian
>
> Am 04.10.2013 um 17:39 schrieb Eric Christopher <echristo at gmail.com>:
>
>> Hrm, so it is. Then arguably we shouldn't be tracking it as a location
>> as we're compiling the function.
>>
>> -eric
>>
>> On Fri, Oct 4, 2013 at 5:35 PM, Adrian Prantl <aprantl at apple.com> wrote:
>>> Can you elaborate? $agg.result is the return value of the function, not a formal argument. It just ends up as an argument because of the calling convention.
>>>
>>> -- adrian
>>>
>>> Am 04.10.2013 um 17:33 schrieb Eric Christopher <echristo at gmail.com>:
>>>
>>>> So the reason why Dave and I are asking is this:
>>>>
>>>> 0x00000159: DW_TAG_subprogram [16] *
>>>> DW_AT_MIPS_linkage_name [DW_FORM_strp] (
>>>> .debug_str[0x00000088] = "_Z7Ellipse9GetMatrixEv")
>>>> DW_AT_name [DW_FORM_strp] (
>>>> .debug_str[0x0000009f] = "GetMatrix")
>>>> DW_AT_decl_file [DW_FORM_data1] (0x02)
>>>> DW_AT_decl_line [DW_FORM_data2] (0x0135)
>>>> DW_AT_type [DW_FORM_ref4] (cu + 0x00b0 => {0x000000b0})
>>>> DW_AT_declaration [DW_FORM_flag_present] (true)
>>>> DW_AT_external [DW_FORM_flag_present] (true)
>>>> DW_AT_APPLE_isa [DW_FORM_flag] (0x01)
>>>> DW_AT_accessibility [DW_FORM_data1] (0x03)
>>>>
>>>> 0x0000016b: DW_TAG_formal_parameter [9]
>>>> DW_AT_type [DW_FORM_ref4] (cu + 0x02aa => {0x000002aa})
>>>> DW_AT_artificial [DW_FORM_flag_present] (true)
>>>>
>>>> 0x00000170: NULL
>>>>
>>>> 0x00000171: NULL
>>>>
>>>> You'll notice that the only parameter you have listed for GetMatrix is
>>>> the implicit this parameter, none of the arguments. This would seem to
>>>> be a less than sufficient solution to your problem.
>>>>
>>>> -eric
>>>>
>>>>
>>>> On Fri, Oct 4, 2013 at 5:22 PM, David Blaikie <dblaikie at gmail.com> wrote:
>>>>>
>>>>>
>>>>>
>>>>> On Fri, Oct 4, 2013 at 5:19 PM, Adrian Prantl <aprantl at apple.com> wrote:
>>>>>>
>>>>>> This is a bugpoint-reduced example. So it’s slightly nonsensical.
>>>>>
>>>>>
>>>>> It'd be nice to have the original source simplified so we didn't have quite
>>>>> so much debug info metadata (and so we could regenerate it if/when we change
>>>>> the debug info schema or want to add related cases to the test).
>>>>>
>>>>>>
>>>>>> -- adrian
>>>>>>
>>>>>> Am 04.10.2013 um 17:18 schrieb Adrian Prantl <aprantl at apple.com>:
>>>>>>
>>>>>>> Hi Eric,
>>>>>>>
>>>>>>> In SelectionDAG, %agg.result is CopyToReg’d into %vreg0, but the only
>>>>>>> instruction that would actually materialize this vreg is the getelementptr
>>>>>>> which isn’t emitted because it is dead.
>>>>>>> When SelectionDAGISel::runOnMachineFunction() tries to re-add all the
>>>>>>> DBG_VALUES for the function arguments it attempts to lookup the def of
>>>>>>> vreg0, but it isn’t there and we get a nullptr deref.
>>>>>>>
>>>>>>> -- adrian
>>>>>>>
>>>>>>> Am 04.10.2013 um 17:15 schrieb Eric Christopher <echristo at gmail.com>:
>>>>>>>
>>>>>>>> Which function argument is being eliminated here?
>>>>>>>>
>>>>>>>> -eric
>>>>>>>>
>>>>>>>> On Fri, Oct 4, 2013 at 5:08 PM, Adrian Prantl <aprantl at apple.com>
>>>>>>>> wrote:
>>>>>>>>> Author: adrian
>>>>>>>>> Date: Fri Oct 4 19:08:27 2013
>>>>>>>>> New Revision: 192011
>>>>>>>>>
>>>>>>>>> URL: http://llvm.org/viewvc/llvm-project?rev=192011&view=rev
>>>>>>>>> Log:
>>>>>>>>> Debug info: Don't crash in SelectionDAGISel when a vreg that is being
>>>>>>>>> pointed to by a dbg_value belonging to a function argument is
>>>>>>>>> eliminated
>>>>>>>>> during instruction selection.
>>>>>>>>> rdar://problem/15094721.
>>>>>>>>>
>>>>>>>>> Added:
>>>>>>>>> llvm/trunk/test/DebugInfo/ARM/selectiondag-deadcode.ll
>>>>>>>>> Modified:
>>>>>>>>> llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
>>>>>>>>>
>>>>>>>>> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
>>>>>>>>> URL:
>>>>>>>>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=192011&r1=192010&r2=192011&view=diff
>>>>>>>>>
>>>>>>>>> ==============================================================================
>>>>>>>>> --- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
>>>>>>>>> (original)
>>>>>>>>> +++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Oct
>>>>>>>>> 4 19:08:27 2013
>>>>>>>>> @@ -408,9 +408,13 @@ bool SelectionDAGISel::runOnMachineFunct
>>>>>>>>> EntryMBB->insert(EntryMBB->begin(), MI);
>>>>>>>>> else {
>>>>>>>>> MachineInstr *Def = RegInfo->getVRegDef(Reg);
>>>>>>>>> - MachineBasicBlock::iterator InsertPos = Def;
>>>>>>>>> - // FIXME: VR def may not be in entry block.
>>>>>>>>> - Def->getParent()->insert(llvm::next(InsertPos), MI);
>>>>>>>>> + if (Def) {
>>>>>>>>> + MachineBasicBlock::iterator InsertPos = Def;
>>>>>>>>> + // FIXME: VR def may not be in entry block.
>>>>>>>>> + Def->getParent()->insert(llvm::next(InsertPos), MI);
>>>>>>>>> + } else
>>>>>>>>> + DEBUG(dbgs() << "Dropping debug info for dead vreg"
>>>>>>>>> + << TargetRegisterInfo::virtReg2Index(Reg) << "\n");
>>>>>>>>> }
>>>>>>>>>
>>>>>>>>> // If Reg is live-in then update debug info to track its copy in a
>>>>>>>>> vreg.
>>>>>>>>>
>>>>>>>>> Added: llvm/trunk/test/DebugInfo/ARM/selectiondag-deadcode.ll
>>>>>>>>> URL:
>>>>>>>>> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/ARM/selectiondag-deadcode.ll?rev=192011&view=auto
>>>>>>>>>
>>>>>>>>> ==============================================================================
>>>>>>>>> --- llvm/trunk/test/DebugInfo/ARM/selectiondag-deadcode.ll (added)
>>>>>>>>> +++ llvm/trunk/test/DebugInfo/ARM/selectiondag-deadcode.ll Fri Oct 4
>>>>>>>>> 19:08:27 2013
>>>>>>>>> @@ -0,0 +1,135 @@
>>>>>>>>> +; RUN: llc -filetype=asm < %s | FileCheck %s
>>>>>>>>> +target triple = "thumbv7-apple-ios7.0.0"
>>>>>>>>> +%"matrix" = type { [9 x float] }
>>>>>>>>> +%"ellipse" = type { %"plane" }
>>>>>>>>> +%"plane" = type { %"vector" }
>>>>>>>>> +%"vector" = type { %union.anon.2.26.2 }
>>>>>>>>> +%union.anon.2.26.2 = type { %struct.anon.1.25.1 }
>>>>>>>>> +%struct.anon.1.25.1 = type { float, float, float }
>>>>>>>>> +
>>>>>>>>> +define void @_Z7Ellipse9GetMatrixEv(%"matrix"* noalias nocapture sret
>>>>>>>>> %agg.result, %"ellipse"* nocapture readonly %this) #0 align 2 {
>>>>>>>>> + br i1 undef, label %_Z7Vector39NormalizeEv.exit, label %1
>>>>>>>>> + %2 = call double @_Z7StdMath4SqrtEd(double undef) #4
>>>>>>>>> + br label %_Z7Vector39NormalizeEv.exit
>>>>>>>>> +_Z7Vector39NormalizeEv.exit: ; preds = %1, %0
>>>>>>>>> + call void @llvm.dbg.declare(metadata !{%"matrix"* %agg.result},
>>>>>>>>> metadata !74)
>>>>>>>>> + ; rdar://problem/15094721. When this dead use gets eliminated (and
>>>>>>>>> + ; thus the def of the vreg holding %agg.result) the dbg_value
>>>>>>>>> becomes
>>>>>>>>> + ; dangling and SelectionDAGISel crashes.
>>>>>>>>> + ; It should definitely not crash. Drop the dbg_value instead.
>>>>>>>>> + ; CHECK: "matrix"
>>>>>>>>> + %3 = getelementptr inbounds %"matrix"* %agg.result, i32 0, i32 0,
>>>>>>>>> i32 8
>>>>>>>>> + ret void
>>>>>>>>> +}
>>>>>>>>> +
>>>>>>>>> +declare void @llvm.dbg.declare(metadata, metadata) #1
>>>>>>>>> +
>>>>>>>>> +declare double @_Z7StdMath4SqrtEd(double) #3
>>>>>>>>> +
>>>>>>>>> +!llvm.dbg.cu = !{!0}
>>>>>>>>> +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang
>>>>>>>>> version 3.4 ", i1 true, metadata !"", i32 0, metadata !2, metadata !3,
>>>>>>>>> metadata !67, metadata !2, metadata !104, metadata !""} ; [
>>>>>>>>> DW_TAG_compile_unit ] [/Volumes/Data/radar/15094721/Ellipse.cpp]
>>>>>>>>> [DW_LANG_C_plus_plus]
>>>>>>>>> +!1 = metadata !{metadata !"Ellipse.cpp", metadata
>>>>>>>>> !"/Volumes/Data/radar/15094721"}
>>>>>>>>> +!2 = metadata !{i32 0}
>>>>>>>>> +!3 = metadata !{metadata !4, metadata !9, metadata !12, metadata !15,
>>>>>>>>> metadata !18, metadata !33, metadata !58}
>>>>>>>>> +!4 = metadata !{i32 786434, metadata !5, metadata !6, metadata
>>>>>>>>> !"Ellipse", i32 307, i64 96, i64 32, i32 0, i32 0, null, metadata !7, i32 0,
>>>>>>>>> null, null, metadata !"_ZTS7EllipseE"} ; [ DW_TAG_class_type ] [Ellipse]
>>>>>>>>> [line 307, size 96, align 32, offset 0] [def] [from ]
>>>>>>>>> +!5 = metadata !{metadata !"test.ii", metadata
>>>>>>>>> !"/Volumes/Data/radar/15094721"}
>>>>>>>>> +!6 = metadata !{i32 786489, metadata !5, null, metadata !"Namespace",
>>>>>>>>> i32 158} ; [ DW_TAG_namespace ] [Namespace] [line 158]
>>>>>>>>> +!7 = metadata !{metadata !8, metadata !30}
>>>>>>>>> +!8 = metadata !{i32 786460, null, metadata !"_ZTS7EllipseE", null,
>>>>>>>>> i32 0, i64 0, i64 0, i64 0, i32 0, metadata !9} ; [ DW_TAG_inheritance ]
>>>>>>>>> [line 0, size 0, align 0, offset 0] [from Plane]
>>>>>>>>> +!9 = metadata !{i32 786434, metadata !5, metadata !6, metadata
>>>>>>>>> !"Plane", i32 302, i64 96, i64 32, i32 0, i32 0, null, metadata !10, i32 0,
>>>>>>>>> null, null, metadata !"_ZTS5PlaneE"} ; [ DW_TAG_class_type ] [Plane] [line
>>>>>>>>> 302, size 96, align 32, offset 0] [def] [from ]
>>>>>>>>> +!10 = metadata !{metadata !11}
>>>>>>>>> +!11 = metadata !{i32 786445, metadata !5, metadata !"_ZTS5PlaneE",
>>>>>>>>> metadata !"normal", i32 305, i64 96, i64 32, i64 0, i32 0, metadata !12} ; [
>>>>>>>>> DW_TAG_member ] [normal] [line 305, size 96, align 32, offset 0] [from
>>>>>>>>> Vector3]
>>>>>>>>> +!12 = metadata !{i32 786434, metadata !5, metadata !6, metadata
>>>>>>>>> !"Vector3", i32 182, i64 96, i64 32, i32 0, i32 0, null, metadata !13, i32
>>>>>>>>> 0, null, null, metadata !"_ZTS7Vector3E"} ; [ DW_TAG_class_type ] [Vector3]
>>>>>>>>> [line 182, size 96, align 32, offset 0] [def] [from ]
>>>>>>>>> +!13 = metadata !{metadata !14, metadata !24}
>>>>>>>>> +!14 = metadata !{i32 786445, metadata !5, metadata !"_ZTS7Vector3E",
>>>>>>>>> metadata !"", i32 185, i64 96, i64 32, i64 0, i32 0, metadata !15} ; [
>>>>>>>>> DW_TAG_member ] [line 185, size 96, align 32, offset 0] [from ]
>>>>>>>>> +!15 = metadata !{i32 786455, metadata !5, metadata !12, metadata !"",
>>>>>>>>> i32 185, i64 96, i64 32, i64 0, i32 0, null, metadata !16, i32 0, null,
>>>>>>>>> null, metadata !"_ZTS7Vector3Ut_E"} ; [ DW_TAG_union_type ] [line 185, size
>>>>>>>>> 96, align 32, offset 0] [def] [from ]
>>>>>>>>> +!16 = metadata !{metadata !17}
>>>>>>>>> +!17 = metadata !{i32 786445, metadata !5, metadata
>>>>>>>>> !"_ZTS7Vector3Ut_E", metadata !"", i32 187, i64 96, i64 32, i64 0, i32 0,
>>>>>>>>> metadata !18} ; [ DW_TAG_member ] [line 187, size 96, align 32, offset 0]
>>>>>>>>> [from ]
>>>>>>>>> +!18 = metadata !{i32 786451, metadata !5, metadata !15, metadata !"",
>>>>>>>>> i32 187, i64 96, i64 32, i32 0, i32 0, null, metadata !19, i32 0, null,
>>>>>>>>> null, metadata !"_ZTS7Vector3Ut_Ut_E"} ; [ DW_TAG_structure_type ] [line
>>>>>>>>> 187, size 96, align 32, offset 0] [def] [from ]
>>>>>>>>> +!19 = metadata !{metadata !20, metadata !22, metadata !23}
>>>>>>>>> +!20 = metadata !{i32 786445, metadata !5, metadata
>>>>>>>>> !"_ZTS7Vector3Ut_Ut_E", metadata !"x", i32 189, i64 32, i64 32, i64 0, i32
>>>>>>>>> 0, metadata !21} ; [ DW_TAG_member ] [x] [line 189, size 32, align 32,
>>>>>>>>> offset 0] [from float]
>>>>>>>>> +!21 = metadata !{i32 786468, null, null, metadata !"float", i32 0,
>>>>>>>>> i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ] [float] [line 0,
>>>>>>>>> size 32, align 32, offset 0, enc DW_ATE_float]
>>>>>>>>> +!22 = metadata !{i32 786445, metadata !5, metadata
>>>>>>>>> !"_ZTS7Vector3Ut_Ut_E", metadata !"y", i32 190, i64 32, i64 32, i64 32, i32
>>>>>>>>> 0, metadata !21} ; [ DW_TAG_member ] [y] [line 190, size 32, align 32,
>>>>>>>>> offset 32] [from float]
>>>>>>>>> +!23 = metadata !{i32 786445, metadata !5, metadata
>>>>>>>>> !"_ZTS7Vector3Ut_Ut_E", metadata !"z", i32 191, i64 32, i64 32, i64 64, i32
>>>>>>>>> 0, metadata !21} ; [ DW_TAG_member ] [z] [line 191, size 32, align 32,
>>>>>>>>> offset 64] [from float]
>>>>>>>>> +!24 = metadata !{i32 786478, metadata !5, metadata !12, metadata
>>>>>>>>> !"Normalize", metadata !"Normalize", metadata !"_Z7Vector39NormalizeEv", i32
>>>>>>>>> 194, metadata !25, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, i32 0, metadata !29, i32 194} ; [ DW_TAG_subprogram ] [line 194]
>>>>>>>>> [Normalize]
>>>>>>>>> +!25 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !26, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!26 = metadata !{metadata !27, metadata !28}
>>>>>>>>> +!27 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0,
>>>>>>>>> i64 0, i32 0, metadata !12} ; [ DW_TAG_reference_type ] [line 0, size 0,
>>>>>>>>> align 0, offset 0] [from Vector3]
>>>>>>>>> +!28 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 1088, metadata !"_ZTS7Vector3E"} ; [ DW_TAG_pointer_type
>>>>>>>>> ] [line 0, size 32, align 32, offset 0] [artificial] [from _ZTS7Vector3E]
>>>>>>>>> +!29 = metadata !{i32 786468}
>>>>>>>>> +!30 = metadata !{i32 786478, metadata !5, metadata !4, metadata
>>>>>>>>> !"GetMatrix", metadata !"GetMatrix", metadata !"_Z7Ellipse9GetMatrixEv", i32
>>>>>>>>> 309, metadata !31, i1 false, i1 false, i32 0, i32 0, null, i32 257, i1 true,
>>>>>>>>> null, null, i32 0, metadata !29, i32 309} ; [ DW_TAG_subprogram ] [line 309]
>>>>>>>>> [private] [GetMatrix]
>>>>>>>>> +!31 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !32, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!32 = metadata !{metadata !33, metadata !57}
>>>>>>>>> +!33 = metadata !{i32 786434, metadata !5, metadata !6, metadata
>>>>>>>>> !"Matrix3", i32 202, i64 288, i64 32, i32 0, i32 0, null, metadata !34, i32
>>>>>>>>> 0, null, null, metadata !"_ZTS7Matrix3E"} ; [ DW_TAG_class_type ] [Matrix3]
>>>>>>>>> [line 202, size 288, align 32, offset 0] [def] [from ]
>>>>>>>>> +!34 = metadata !{metadata !35, metadata !39, metadata !43, metadata
>>>>>>>>> !46, metadata !51}
>>>>>>>>> +!35 = metadata !{i32 786445, metadata !5, metadata !"_ZTS7Matrix3E",
>>>>>>>>> metadata !"data", i32 211, i64 288, i64 32, i64 0, i32 0, metadata !36} ; [
>>>>>>>>> DW_TAG_member ] [data] [line 211, size 288, align 32, offset 0] [from ]
>>>>>>>>> +!36 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64
>>>>>>>>> 288, i64 32, i32 0, i32 0, metadata !21, metadata !37, i32 0, null, null,
>>>>>>>>> null} ; [ DW_TAG_array_type ] [line 0, size 288, align 32, offset 0] [from
>>>>>>>>> float]
>>>>>>>>> +!37 = metadata !{metadata !38}
>>>>>>>>> +!38 = metadata !{i32 786465, i64 0, i64 9} ; [
>>>>>>>>> DW_TAG_subrange_type ] [0, 8]
>>>>>>>>> +!39 = metadata !{i32 786478, metadata !5, metadata !33, metadata
>>>>>>>>> !"Matrix3", metadata !"Matrix3", metadata !"", i32 205, metadata !40, i1
>>>>>>>>> false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0,
>>>>>>>>> metadata !29, i32 205} ; [ DW_TAG_subprogram ] [line 205] [Matrix3]
>>>>>>>>> +!40 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !41, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!41 = metadata !{null, metadata !42}
>>>>>>>>> +!42 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 1088, metadata !"_ZTS7Matrix3E"} ; [ DW_TAG_pointer_type
>>>>>>>>> ] [line 0, size 32, align 32, offset 0] [artificial] [from _ZTS7Matrix3E]
>>>>>>>>> +!43 = metadata !{i32 786478, metadata !5, metadata !33, metadata
>>>>>>>>> !"Matrix3", metadata !"Matrix3", metadata !"", i32 206, metadata !44, i1
>>>>>>>>> false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0,
>>>>>>>>> metadata !29, i32 206} ; [ DW_TAG_subprogram ] [line 206] [Matrix3]
>>>>>>>>> +!44 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !45, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!45 = metadata !{null, metadata !42, metadata !21, metadata !21,
>>>>>>>>> metadata !21, metadata !21, metadata !21, metadata !21, metadata !21,
>>>>>>>>> metadata !21, metadata !21}
>>>>>>>>> +!46 = metadata !{i32 786478, metadata !5, metadata !33, metadata
>>>>>>>>> !"Multiply", metadata !"Multiply", metadata !"_Z7Matrix38MultiplyEPKf", i32
>>>>>>>>> 209, metadata !47, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, i32 0, metadata !29, i32 209} ; [ DW_TAG_subprogram ] [line 209]
>>>>>>>>> [Multiply]
>>>>>>>>> +!47 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !48, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!48 = metadata !{null, metadata !42, metadata !49}
>>>>>>>>> +!49 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 0, metadata !50} ; [ DW_TAG_pointer_type ] [line 0, size
>>>>>>>>> 32, align 32, offset 0] [from ]
>>>>>>>>> +!50 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, metadata !21} ; [ DW_TAG_const_type ] [line 0, size 0,
>>>>>>>>> align 0, offset 0] [from float]
>>>>>>>>> +!51 = metadata !{i32 786478, metadata !5, metadata !33, metadata
>>>>>>>>> !"operator*=", metadata !"operator*=", metadata !"_Z7Matrix3mLERKS0_", i32
>>>>>>>>> 210, metadata !52, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, i32 0, metadata !29, i32 210} ; [ DW_TAG_subprogram ] [line 210]
>>>>>>>>> [operator*=]
>>>>>>>>> +!52 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !53, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!53 = metadata !{metadata !54, metadata !42, metadata !55}
>>>>>>>>> +!54 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0,
>>>>>>>>> i64 0, i32 0, metadata !33} ; [ DW_TAG_reference_type ] [line 0, size 0,
>>>>>>>>> align 0, offset 0] [from Matrix3]
>>>>>>>>> +!55 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0,
>>>>>>>>> i64 0, i32 0, metadata !56} ; [ DW_TAG_reference_type ] [line 0, size 0,
>>>>>>>>> align 0, offset 0] [from ]
>>>>>>>>> +!56 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, metadata !33} ; [ DW_TAG_const_type ] [line 0, size 0,
>>>>>>>>> align 0, offset 0] [from Matrix3]
>>>>>>>>> +!57 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 1088, metadata !"_ZTS7EllipseE"} ; [ DW_TAG_pointer_type
>>>>>>>>> ] [line 0, size 32, align 32, offset 0] [artificial] [from _ZTS7EllipseE]
>>>>>>>>> +!58 = metadata !{i32 786434, metadata !5, metadata !6, metadata
>>>>>>>>> !"StdMath", i32 159, i64 8, i64 8, i32 0, i32 0, null, metadata !59, i32 0,
>>>>>>>>> null, null, metadata !"_ZTS7StdMathE"} ; [ DW_TAG_class_type ] [StdMath]
>>>>>>>>> [line 159, size 8, align 8, offset 0] [def] [from ]
>>>>>>>>> +!59 = metadata !{metadata !60, metadata !63}
>>>>>>>>> +!60 = metadata !{i32 786478, metadata !5, metadata !58, metadata
>>>>>>>>> !"InvSqrt", metadata !"InvSqrt", metadata !"_Z7StdMath7InvSqrtEf", i32 162,
>>>>>>>>> metadata !61, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, i32 0, metadata !29, i32 162} ; [ DW_TAG_subprogram ] [line 162]
>>>>>>>>> [InvSqrt]
>>>>>>>>> +!61 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !62, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!62 = metadata !{metadata !21, metadata !21}
>>>>>>>>> +!63 = metadata !{i32 786478, metadata !5, metadata !58, metadata
>>>>>>>>> !"Sqrt", metadata !"Sqrt", metadata !"_Z7StdMath4SqrtEd", i32 163, metadata
>>>>>>>>> !64, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null,
>>>>>>>>> i32 0, metadata !29, i32 163} ; [ DW_TAG_subprogram ] [line 163] [Sqrt]
>>>>>>>>> +!64 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0,
>>>>>>>>> i64 0, i64 0, i32 0, null, metadata !65, i32 0, null, null, null} ; [
>>>>>>>>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>>>>>>>>> +!65 = metadata !{metadata !66, metadata !66}
>>>>>>>>> +!66 = metadata !{i32 786468, null, null, metadata !"double", i32 0,
>>>>>>>>> i64 64, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ] [double] [line
>>>>>>>>> 0, size 64, align 32, offset 0, enc DW_ATE_float]
>>>>>>>>> +!67 = metadata !{metadata !68, metadata !76, metadata !81, metadata
>>>>>>>>> !89, metadata !92, metadata !95, metadata !101}
>>>>>>>>> +!68 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"GetMatrix", metadata !"GetMatrix", metadata !"_Z7Ellipse9GetMatrixEv", i32
>>>>>>>>> 313, metadata !31, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> void (%"matrix"*, %"ellipse"*)* @_Z7Ellipse9GetMatrixEv, null, metadata !30,
>>>>>>>>> metadata !69, i32 314} ; [ DW_TAG_subprogram ] [line 313] [def] [scope 314]
>>>>>>>>> [GetMatrix]
>>>>>>>>> +!69 = metadata !{metadata !70, metadata !72, metadata !74, metadata
>>>>>>>>> !75}
>>>>>>>>> +!70 = metadata !{i32 786689, metadata !68, metadata !"this", null,
>>>>>>>>> i32 16777216, metadata !71, i32 1088, i32 0} ; [ DW_TAG_arg_variable ]
>>>>>>>>> [this] [line 0]
>>>>>>>>> +!71 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 0, metadata !"_ZTS7EllipseE"} ; [ DW_TAG_pointer_type ]
>>>>>>>>> [line 0, size 32, align 32, offset 0] [from _ZTS7EllipseE]
>>>>>>>>> +!72 = metadata !{i32 786688, metadata !68, metadata !"vert", metadata
>>>>>>>>> !73, i32 315, metadata !12, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [vert]
>>>>>>>>> [line 315]
>>>>>>>>> +!73 = metadata !{i32 786473, metadata !5} ; [
>>>>>>>>> DW_TAG_file_type ] [/Volumes/Data/radar/15094721/test.ii]
>>>>>>>>> +!74 = metadata !{i32 786688, metadata !68, metadata !"matrix",
>>>>>>>>> metadata !73, i32 317, metadata !33, i32 8192, i32 0} ; [
>>>>>>>>> DW_TAG_auto_variable ] [matrix] [line 317]
>>>>>>>>> +!75 = metadata !{i32 786688, metadata !68, metadata !"rotateZ",
>>>>>>>>> metadata !73, i32 318, metadata !33, i32 0, i32 0} ; [ DW_TAG_auto_variable
>>>>>>>>> ] [rotateZ] [line 318]
>>>>>>>>> +!76 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"operator*=", metadata !"operator*=", metadata !"_Z7Matrix3mLERKS0_", i32
>>>>>>>>> 219, metadata !52, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, metadata !51, metadata !77, i32 220} ; [ DW_TAG_subprogram ]
>>>>>>>>> [line 219] [def] [scope 220] [operator*=]
>>>>>>>>> +!77 = metadata !{metadata !78, metadata !80}
>>>>>>>>> +!78 = metadata !{i32 786689, metadata !76, metadata !"this", null,
>>>>>>>>> i32 16777216, metadata !79, i32 1088, i32 0} ; [ DW_TAG_arg_variable ]
>>>>>>>>> [this] [line 0]
>>>>>>>>> +!79 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 0, metadata !"_ZTS7Matrix3E"} ; [ DW_TAG_pointer_type ]
>>>>>>>>> [line 0, size 32, align 32, offset 0] [from _ZTS7Matrix3E]
>>>>>>>>> +!80 = metadata !{i32 786689, metadata !76, metadata !"matrix",
>>>>>>>>> metadata !73, i32 33554651, metadata !55, i32 0, i32 0} ; [
>>>>>>>>> DW_TAG_arg_variable ] [matrix] [line 219]
>>>>>>>>> +!81 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"Multiply", metadata !"Multiply", metadata !"_Z7Matrix38MultiplyEPKf", i32
>>>>>>>>> 214, metadata !47, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, metadata !46, metadata !82, i32 215} ; [ DW_TAG_subprogram ]
>>>>>>>>> [line 214] [def] [scope 215] [Multiply]
>>>>>>>>> +!82 = metadata !{metadata !83, metadata !84, metadata !85}
>>>>>>>>> +!83 = metadata !{i32 786689, metadata !81, metadata !"this", null,
>>>>>>>>> i32 16777216, metadata !79, i32 1088, i32 0} ; [ DW_TAG_arg_variable ]
>>>>>>>>> [this] [line 0]
>>>>>>>>> +!84 = metadata !{i32 786689, metadata !81, metadata !"matrix",
>>>>>>>>> metadata !73, i32 33554646, metadata !49, i32 0, i32 0} ; [
>>>>>>>>> DW_TAG_arg_variable ] [matrix] [line 214]
>>>>>>>>> +!85 = metadata !{i32 786688, metadata !81, metadata !"temp", metadata
>>>>>>>>> !73, i32 216, metadata !86, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [temp]
>>>>>>>>> [line 216]
>>>>>>>>> +!86 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64
>>>>>>>>> 512, i64 32, i32 0, i32 0, metadata !21, metadata !87, i32 0, null, null,
>>>>>>>>> null} ; [ DW_TAG_array_type ] [line 0, size 512, align 32, offset 0] [from
>>>>>>>>> float]
>>>>>>>>> +!87 = metadata !{metadata !88}
>>>>>>>>> +!88 = metadata !{i32 786465, i64 0, i64 16} ; [
>>>>>>>>> DW_TAG_subrange_type ] [0, 15]
>>>>>>>>> +!89 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"Matrix3", metadata !"Matrix3", metadata !"_Z7Matrix3C1Ev", i32 213,
>>>>>>>>> metadata !40, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null,
>>>>>>>>> null, metadata !39, metadata !90, i32 213} ; [ DW_TAG_subprogram ] [line
>>>>>>>>> 213] [def] [Matrix3]
>>>>>>>>> +!90 = metadata !{metadata !91}
>>>>>>>>> +!91 = metadata !{i32 786689, metadata !89, metadata !"this", null,
>>>>>>>>> i32 16777216, metadata !79, i32 1088, i32 0} ; [ DW_TAG_arg_variable ]
>>>>>>>>> [this] [line 0]
>>>>>>>>> +!92 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"Matrix3", metadata !"Matrix3", metadata !"_Z7Matrix3C2Ev", i32 213,
>>>>>>>>> metadata !40, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null,
>>>>>>>>> null, metadata !39, metadata !93, i32 213} ; [ DW_TAG_subprogram ] [line
>>>>>>>>> 213] [def] [Matrix3]
>>>>>>>>> +!93 = metadata !{metadata !94}
>>>>>>>>> +!94 = metadata !{i32 786689, metadata !92, metadata !"this", null,
>>>>>>>>> i32 16777216, metadata !79, i32 1088, i32 0} ; [ DW_TAG_arg_variable ]
>>>>>>>>> [this] [line 0]
>>>>>>>>> +!95 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"Normalize", metadata !"Normalize", metadata !"_Z7Vector39NormalizeEv", i32
>>>>>>>>> 196, metadata !25, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true,
>>>>>>>>> null, null, metadata !24, metadata !96, i32 197} ; [ DW_TAG_subprogram ]
>>>>>>>>> [line 196] [def] [scope 197] [Normalize]
>>>>>>>>> +!96 = metadata !{metadata !97, metadata !99, metadata !100}
>>>>>>>>> +!97 = metadata !{i32 786689, metadata !95, metadata !"this", null,
>>>>>>>>> i32 16777216, metadata !98, i32 1088, i32 0} ; [ DW_TAG_arg_variable ]
>>>>>>>>> [this] [line 0]
>>>>>>>>> +!98 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32,
>>>>>>>>> i64 32, i64 0, i32 0, metadata !"_ZTS7Vector3E"} ; [ DW_TAG_pointer_type ]
>>>>>>>>> [line 0, size 32, align 32, offset 0] [from _ZTS7Vector3E]
>>>>>>>>> +!99 = metadata !{i32 786688, metadata !95, metadata !"len2", metadata
>>>>>>>>> !73, i32 198, metadata !21, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [len2]
>>>>>>>>> [line 198]
>>>>>>>>> +!100 = metadata !{i32 786688, metadata !95, metadata !"invLen",
>>>>>>>>> metadata !73, i32 199, metadata !21, i32 0, i32 0} ; [ DW_TAG_auto_variable
>>>>>>>>> ] [invLen] [line 199]
>>>>>>>>> +!101 = metadata !{i32 786478, metadata !5, metadata !6, metadata
>>>>>>>>> !"InvSqrt", metadata !"InvSqrt", metadata !"_Z7StdMath7InvSqrtEf", i32 165,
>>>>>>>>> metadata !61, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null,
>>>>>>>>> null, metadata !60, metadata !102, i32 166} ; [ DW_TAG_subprogram ] [line
>>>>>>>>> 165] [def] [scope 166] [InvSqrt]
>>>>>>>>> +!102 = metadata !{metadata !103}
>>>>>>>>> +!103 = metadata !{i32 786689, metadata !101, metadata !"a_val",
>>>>>>>>> metadata !73, i32 16777381, metadata !21, i32 0, i32 0} ; [
>>>>>>>>> DW_TAG_arg_variable ] [a_val] [line 165]
>>>>>>>>> +!104 = metadata !{metadata !105}
>>>>>>>>> +!105 = metadata !{i32 786490, metadata !0, metadata !6, i32 312} ; [
>>>>>>>>> DW_TAG_imported_module ]
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> llvm-commits mailing list
>>>>>>>>> llvm-commits at cs.uiuc.edu
>>>>>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> llvm-commits mailing list
>>>>>> llvm-commits at cs.uiuc.edu
>>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>>
>>>>>
>>>
>
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