[llvm] r192011 - Debug info: Don't crash in SelectionDAGISel when a vreg that is being
David Blaikie
dblaikie at gmail.com
Fri Oct 4 17:22:35 PDT 2013
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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