From 0b485908ed5bb9e788618773276b43be2e5a37df Mon Sep 17 00:00:00 2001
From: David Blaikie <dblaikie@gmail.com>
Date: Mon, 15 Jul 2013 22:28:45 +0000
Subject: [PATCH] Further simplify test case from r186119/r186035.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186356 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/DebugInfo/X86/dbg_value_direct.ll | 215 +++++++++++--------------
 1 file changed, 93 insertions(+), 122 deletions(-)

diff --git a/test/DebugInfo/X86/dbg_value_direct.ll b/test/DebugInfo/X86/dbg_value_direct.ll
index 3ac428d4b60..f095ece2e0d 100644
--- a/test/DebugInfo/X86/dbg_value_direct.ll
+++ b/test/DebugInfo/X86/dbg_value_direct.ll
@@ -1,97 +1,93 @@
 ; RUN: llc -filetype=obj -O0 -stack-protector-buffer-size=1 < %s
 ; Test that we handle DBG_VALUEs in a register without crashing.
 ;
-; Generated from: (with -fsanitize=address)
-; class C
-; {
-; public:
-;   C (const C &)
-;   { }
+; Generated from clang with -fsanitize=address:
+; struct A {
+;   A();
+;   A(const A&);
 ; };
-; class A
-; {
-;   struct D:C {};
-;   D _M_dataplus;
-; public:
-;   A (int *);
-; };
-; A operator+ (A, const char *)
-; {
-;   A a(0);
+;
+; A func(int) {
+;   A a;
 ;   return a;
 ; }
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.9.0"
+target triple = "x86_64-unknown-linux-gnu"
 
-%class.A = type { %"struct.A::D" }
-%"struct.A::D" = type { i8 }
+%struct.A = type { i8 }
 
-@__asan_mapping_offset = linkonce_odr constant i64 17592186044416
+@__asan_mapping_offset = linkonce_odr constant i64 2147450880
 @__asan_mapping_scale = linkonce_odr constant i64 3
 @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 1, void ()* @asan.module_ctor }]
-@__asan_gen_ = private unnamed_addr constant [16 x i8] c"1 32 8 5 .addr \00", align 1
+@__asan_gen_ = private unnamed_addr constant [16 x i8] c"1 32 4 5 .addr \00", align 1
 
-; Function Attrs: ssp sanitize_address uwtable
-define void @_Zpl1APKc(%class.A* noalias sret %agg.result, %class.A*, i8*) #0 {
+; Function Attrs: sanitize_address uwtable
+define void @_Z4funci(%struct.A* noalias sret %agg.result, i32) #0 {
 entry:
   %MyAlloca = alloca [96 x i8], align 32
-  %2 = ptrtoint [96 x i8]* %MyAlloca to i64
-  %3 = add i64 %2, 32
-  %4 = inttoptr i64 %3 to i8**
-  %5 = inttoptr i64 %2 to i64*
-  store i64 1102416563, i64* %5
-  %6 = add i64 %2, 8
-  %7 = inttoptr i64 %6 to i64*
-  store i64 ptrtoint ([16 x i8]* @__asan_gen_ to i64), i64* %7
-  %8 = add i64 %2, 16
-  %9 = inttoptr i64 %8 to i64*
-  store i64 ptrtoint (void (%class.A*, %class.A*, i8*)* @_Zpl1APKc to i64), i64* %9
-  %10 = lshr i64 %2, 3
-  %11 = add i64 %10, 17592186044416
-  %12 = inttoptr i64 %11 to i32*
-  store i32 -235802127, i32* %12
-  %13 = add i64 %11, 4
-  %14 = inttoptr i64 %13 to i32*
-  store i32 -185273344, i32* %14
-  %15 = add i64 %11, 8
-  %16 = inttoptr i64 %15 to i32*
-  store i32 -202116109, i32* %16
-  call void @llvm.dbg.declare(metadata !{%class.A* %0}, metadata !47), !dbg !48
-  %17 = ptrtoint i8** %4 to i64
-  %18 = lshr i64 %17, 3
-  %19 = add i64 %18, 17592186044416
-  %20 = inttoptr i64 %19 to i8*
-  %21 = load i8* %20
-  %22 = icmp ne i8 %21, 0
-  call void @llvm.dbg.declare(metadata !{i8** %4}, metadata !49)
-  br i1 %22, label %23, label %24
+  %1 = ptrtoint [96 x i8]* %MyAlloca to i64
+  %2 = add i64 %1, 32
+  %3 = inttoptr i64 %2 to i32*
+  %4 = inttoptr i64 %1 to i64*
+  store i64 1102416563, i64* %4
+  %5 = add i64 %1, 8
+  %6 = inttoptr i64 %5 to i64*
+  store i64 ptrtoint ([16 x i8]* @__asan_gen_ to i64), i64* %6
+  %7 = add i64 %1, 16
+  %8 = inttoptr i64 %7 to i64*
+  store i64 ptrtoint (void (%struct.A*, i32)* @_Z4funci to i64), i64* %8
+  %9 = lshr i64 %1, 3
+  %10 = add i64 %9, 2147450880
+  %11 = inttoptr i64 %10 to i32*
+  store i32 -235802127, i32* %11
+  %12 = add i64 %10, 4
+  %13 = inttoptr i64 %12 to i32*
+  store i32 -185273340, i32* %13
+  %14 = add i64 %10, 8
+  %15 = inttoptr i64 %14 to i32*
+  store i32 -202116109, i32* %15
+  %16 = ptrtoint i32* %3 to i64
+  %17 = lshr i64 %16, 3
+  %18 = add i64 %17, 2147450880
+  %19 = inttoptr i64 %18 to i8*
+  %20 = load i8* %19
+  %21 = icmp ne i8 %20, 0
+  call void @llvm.dbg.declare(metadata !{i32* %3}, metadata !23)
+  br i1 %21, label %22, label %28
 
-; <label>:23                                      ; preds = %entry
-  call void @__asan_report_store8(i64 %17)
+; <label>:22                                      ; preds = %entry
+  %23 = and i64 %16, 7
+  %24 = add i64 %23, 3
+  %25 = trunc i64 %24 to i8
+  %26 = icmp sge i8 %25, %20
+  br i1 %26, label %27, label %28
+
+; <label>:27                                      ; preds = %22
+  call void @__asan_report_store4(i64 %16)
   call void asm sideeffect "", ""()
   unreachable
 
-; <label>:24                                      ; preds = %entry
-  store i8* %1, i8** %4, align 8
-  call void @llvm.dbg.declare(metadata !{%class.A* %agg.result}, metadata !50), !dbg !51
-  call void @_ZN1AC1EPi(%class.A* %agg.result, i32* null), !dbg !51
-  store i64 1172321806, i64* %5, !dbg !52
-  %25 = inttoptr i64 %11 to i32*, !dbg !52
-  store i32 0, i32* %25, !dbg !52
-  %26 = add i64 %11, 4, !dbg !52
-  %27 = inttoptr i64 %26 to i32*, !dbg !52
-  store i32 0, i32* %27, !dbg !52
-  %28 = add i64 %11, 8, !dbg !52
-  %29 = inttoptr i64 %28 to i32*, !dbg !52
-  store i32 0, i32* %29, !dbg !52
-  ret void, !dbg !52
+; <label>:28                                      ; preds = %22, %entry
+  store i32 %0, i32* %3, align 4
+  call void @llvm.dbg.declare(metadata !{%struct.A* %agg.result}, metadata !24), !dbg !25
+  call void @_ZN1AC1Ev(%struct.A* %agg.result), !dbg !25
+  store i64 1172321806, i64* %4, !dbg !26
+  %29 = inttoptr i64 %10 to i32*, !dbg !26
+  store i32 0, i32* %29, !dbg !26
+  %30 = add i64 %10, 4, !dbg !26
+  %31 = inttoptr i64 %30 to i32*, !dbg !26
+  store i32 0, i32* %31, !dbg !26
+  %32 = add i64 %10, 8, !dbg !26
+  %33 = inttoptr i64 %32 to i32*, !dbg !26
+  store i32 0, i32* %33, !dbg !26
+  ret void, !dbg !26
 }
 
 ; Function Attrs: nounwind readnone
 declare void @llvm.dbg.declare(metadata, metadata) #1
 
-declare void @_ZN1AC1EPi(%class.A*, i32*)
+declare void @_ZN1AC1Ev(%struct.A*) #2
 
 define internal void @asan.module_ctor() {
   call void @__asan_init_v3()
@@ -144,62 +140,37 @@ declare void @__asan_register_globals(i64, i64)
 
 declare void @__asan_unregister_globals(i64, i64)
 
-attributes #0 = { ssp sanitize_address uwtable }
+attributes #0 = { sanitize_address uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "ssp-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 attributes #1 = { nounwind readnone }
+attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "ssp-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 
 !llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!46}
+!llvm.module.flags = !{!22}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [] [DW_LANG_C_plus_plus]
-!1 = metadata !{metadata !"", metadata !""}
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/crash.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"crash.cpp", metadata !"/tmp"}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !4}
-!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"operator+", metadata !"operator+", metadata !"_Zpl1APKc", i32 14, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*, %class.A*, i8*)* @_Zpl1APKc, null, null, metadata !2, i32 15} ; [ DW_TAG_subprogram ] [line 14] [def] [scope 15] [operator+]
-!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] []
+!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"func", metadata !"func", metadata !"_Z4funci", i32 6, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.A*, i32)* @_Z4funci, null, null, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [func]
+!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/tmp/crash.cpp]
 !6 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!7 = metadata !{metadata !8, metadata !8, metadata !43}
-!8 = metadata !{i32 786434, metadata !1, null, metadata !"A", i32 7, i64 8, i64 8, i32 0, i32 0, null, metadata !9, i32 0, null, null} ; [ DW_TAG_class_type ] [A] [line 7, size 8, align 8, offset 0] [def] [from ]
-!9 = metadata !{metadata !10, metadata !30, metadata !37}
-!10 = metadata !{i32 786445, metadata !1, metadata !8, metadata !"_M_dataplus", i32 10, i64 8, i64 8, i64 0, i32 1, metadata !11} ; [ DW_TAG_member ] [_M_dataplus] [line 10, size 8, align 8, offset 0] [private] [from D]
-!11 = metadata !{i32 786451, metadata !1, metadata !8, metadata !"D", i32 9, i64 8, i64 8, i32 0, i32 0, null, metadata !12, i32 0, null, null} ; [ DW_TAG_structure_type ] [D] [line 9, size 8, align 8, offset 0] [def] [from ]
-!12 = metadata !{metadata !13, metadata !23}
-!13 = metadata !{i32 786460, null, metadata !11, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !14} ; [ DW_TAG_inheritance ] [line 0, size 0, align 0, offset 0] [from C]
-!14 = metadata !{i32 786434, metadata !1, null, metadata !"C", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !15, i32 0, null, null} ; [ DW_TAG_class_type ] [C] [line 1, size 8, align 8, offset 0] [def] [from ]
-!15 = metadata !{metadata !16}
-!16 = metadata !{i32 786478, metadata !1, metadata !14, metadata !"C", metadata !"C", metadata !"", i32 4, metadata !17, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !22, i32 4} ; [ DW_TAG_subprogram ] [line 4] [C]
-!17 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !18, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!18 = metadata !{null, metadata !19, metadata !20}
-!19 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !14} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from C]
-!20 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !21} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
-!21 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !14} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from C]
-!22 = metadata !{i32 786468}
-!23 = metadata !{i32 786478, metadata !1, metadata !11, metadata !"D", metadata !"D", metadata !"", i32 9, metadata !24, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !29, i32 9} ; [ DW_TAG_subprogram ] [line 9] [D]
-!24 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !25, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!25 = metadata !{null, metadata !26, metadata !27}
-!26 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !11} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from D]
-!27 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !28} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
-!28 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from D]
-!29 = metadata !{i32 786468}
-!30 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"A", metadata !"A", metadata !"", i32 12, metadata !31, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !36, i32 12} ; [ DW_TAG_subprogram ] [line 12] [A]
-!31 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !32, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!32 = metadata !{null, metadata !33, metadata !34}
-!33 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from A]
-!34 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !35} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
-!35 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!36 = metadata !{i32 786468}
-!37 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"A", metadata !"A", metadata !"", i32 7, metadata !38, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !42, i32 7} ; [ DW_TAG_subprogram ] [line 7] [A]
-!38 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !39, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!39 = metadata !{null, metadata !33, metadata !40}
-!40 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !41} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
-!41 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from A]
-!42 = metadata !{i32 786468}
-!43 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !44} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
-!44 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !45} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from char]
-!45 = metadata !{i32 786468, null, null, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] [char] [line 0, size 8, align 8, offset 0, enc DW_ATE_signed_char]
-!46 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!47 = metadata !{i32 786689, metadata !4, metadata !"", metadata !5, i32 16777230, metadata !8, i32 8192, i32 0} ; [ DW_TAG_arg_variable ] [line 14]
-!48 = metadata !{i32 14, i32 0, metadata !4, null}
-!49 = metadata !{i32 786689, metadata !4, metadata !"", metadata !5, i32 33554446, metadata !43, i32 0, i32 0, i64 2} ; [ DW_TAG_arg_variable ] [line 14]
-!50 = metadata !{i32 786688, metadata !4, metadata !"a", metadata !5, i32 16, metadata !8, i32 8192, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 16]
-!51 = metadata !{i32 16, i32 0, metadata !4, null}
-!52 = metadata !{i32 17, i32 0, metadata !4, null}
+!7 = metadata !{metadata !8, metadata !21}
+!8 = metadata !{i32 786451, metadata !1, null, metadata !"A", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !9, i32 0, null, null} ; [ DW_TAG_structure_type ] [A] [line 1, size 8, align 8, offset 0] [def] [from ]
+!9 = metadata !{metadata !10, metadata !15}
+!10 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"A", metadata !"A", metadata !"", i32 2, metadata !11, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !14, i32 2} ; [ DW_TAG_subprogram ] [line 2] [A]
+!11 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!12 = metadata !{null, metadata !13}
+!13 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from A]
+!14 = metadata !{i32 786468}
+!15 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"A", metadata !"A", metadata !"", i32 3, metadata !16, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !20, i32 3} ; [ DW_TAG_subprogram ] [line 3] [A]
+!16 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!17 = metadata !{null, metadata !13, metadata !18}
+!18 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !19} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
+!19 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from A]
+!20 = metadata !{i32 786468}
+!21 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!22 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
+!23 = metadata !{i32 786689, metadata !4, metadata !"", metadata !5, i32 16777222, metadata !21, i32 0, i32 0, i64 2} ; [ DW_TAG_arg_variable ] [line 6]
+!24 = metadata !{i32 786688, metadata !4, metadata !"a", metadata !5, i32 7, metadata !8, i32 8192, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 7]
+!25 = metadata !{i32 7, i32 0, metadata !4, null}
+!26 = metadata !{i32 8, i32 0, metadata !4, null} ; [ DW_TAG_imported_declaration ]