Update LLVM for rebase to r212749.

Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls

Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18

1 files changed, 132 insertions, 37 deletions

diff --git a/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll b/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll
index 23f8335..4912213 100644
--- a/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll
+++ b/test/CodeGen/X86/dbg-changes-codegen-branch-folding.ll
@@ -52,58 +52,153 @@ define void @_Z3barii(i32 %param1, i32 %param2) #0 {
 entry:
   %var1 = alloca %struct.AAA3, align 1
   %var2 = alloca %struct.AAA3, align 1
-  %tobool = icmp eq i32 %param2, 0
-  br i1 %tobool, label %if.end, label %if.then
+  tail call void @llvm.dbg.value(metadata !{i32 %param1}, i64 0, metadata !30), !dbg !47
+  tail call void @llvm.dbg.value(metadata !{i32 %param2}, i64 0, metadata !31), !dbg !47
+  tail call void @llvm.dbg.value(metadata !48, i64 0, metadata !32), !dbg !49
+  %tobool = icmp eq i32 %param2, 0, !dbg !50
+  br i1 %tobool, label %if.end, label %if.then, !dbg !50
 
 if.then:                                          ; preds = %entry
-  %call = call i8* @_Z5i2stri(i32 %param2)
-  br label %if.end
+  %call = tail call i8* @_Z5i2stri(i32 %param2), !dbg !52
+  tail call void @llvm.dbg.value(metadata !{i8* %call}, i64 0, metadata !32), !dbg !49
+  br label %if.end, !dbg !54
 
 if.end:                                           ; preds = %entry, %if.then
-  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !60)
-  call void @llvm.dbg.value(metadata !62, i64 0, metadata !63)
-  %arraydecay.i = getelementptr inbounds %struct.AAA3* %var1, i64 0, i32 0, i64 0
-  call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
-  call void @llvm.dbg.declare(metadata !{%struct.AAA3* %var2}, metadata !38)
-  %arraydecay.i5 = getelementptr inbounds %struct.AAA3* %var2, i64 0, i32 0, i64 0
-  call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
-  %tobool1 = icmp eq i32 %param1, 0
-  br i1 %tobool1, label %if.else, label %if.then2
+  tail call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !33), !dbg !55
+  tail call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !56), !dbg !57
+  tail call void @llvm.dbg.value(metadata !58, i64 0, metadata !59), !dbg !60
+  %arraydecay.i = getelementptr inbounds %struct.AAA3* %var1, i64 0, i32 0, i64 0, !dbg !61
+  call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)), !dbg !61
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !34), !dbg !63
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !64), !dbg !65
+  call void @llvm.dbg.value(metadata !58, i64 0, metadata !66), !dbg !67
+  %arraydecay.i5 = getelementptr inbounds %struct.AAA3* %var2, i64 0, i32 0, i64 0, !dbg !68
+  call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)), !dbg !68
+  %tobool1 = icmp eq i32 %param1, 0, !dbg !69
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !34), !dbg !63
+  br i1 %tobool1, label %if.else, label %if.then2, !dbg !69
 
 if.then2:                                         ; preds = %if.end
-  call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0))
-  br label %if.end3
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !71), !dbg !73
+  call void @llvm.dbg.value(metadata !74, i64 0, metadata !75), !dbg !76
+  call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0)), !dbg !76
+  br label %if.end3, !dbg !72
 
 if.else:                                          ; preds = %if.end
-  call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0))
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var2}, i64 0, metadata !77), !dbg !79
+  call void @llvm.dbg.value(metadata !80, i64 0, metadata !81), !dbg !82
+  call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0)), !dbg !82
   br label %if.end3
 
 if.end3:                                          ; preds = %if.else, %if.then2
-  call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
-  ret void
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !33), !dbg !55
+  call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !83), !dbg !85
+  call void @llvm.dbg.value(metadata !58, i64 0, metadata !86), !dbg !87
+  call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)), !dbg !87
+  ret void, !dbg !88
 }
 
-; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
-
-declare i8* @_Z5i2stri(i32) #2
+declare i8* @_Z5i2stri(i32) #1
 
-declare void @_Z3fooPcjPKc(i8*, i32, i8*) #2
+declare void @_Z3fooPcjPKc(i8*, i32, i8*) #1
 
 ; Function Attrs: nounwind readnone
-declare void @llvm.dbg.value(metadata, i64, metadata) #1
+declare void @llvm.dbg.value(metadata, i64, metadata) #2
 
 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-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"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-
-!llvm.module.flags = !{!48, !49}
-!llvm.ident = !{!50}
-
-!38 = metadata !{i32 786688, null, metadata !"var2", null, i32 20, null, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var2] [line 20]
-!48 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!49 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
-!50 = metadata !{metadata !"clang version 3.5 (202418)"}
-!60 = metadata !{i32 786689, null, metadata !"this", null, i32 16777216, null, i32 1088, null} ; [ DW_TAG_arg_variable ] [this] [line 0]
-!62 = metadata !{i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)}
-!63 = metadata !{i32 786689, null, metadata !"value", null, i32 33554439, null, i32 0, null} ; [ DW_TAG_arg_variable ] [value] [line 7]
+attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!44, !45}
+!llvm.ident = !{!46}
+
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 true, metadata !"", i32 0, metadata !2, metadata !3, metadata !23, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"dbg-changes-codegen-branch-folding.cpp", metadata !"/tmp/dbginfo"}
+!2 = metadata !{}
+!3 = metadata !{metadata !4}
+!4 = metadata !{i32 786451, metadata !1, null, metadata !"AAA3", i32 4, i64 32, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS4AAA3"} ; [ DW_TAG_structure_type ] [AAA3] [line 4, size 32, align 8, offset 0] [def] [from ]
+!5 = metadata !{metadata !6, metadata !11, metadata !17, metadata !18}
+!6 = metadata !{i32 786445, metadata !1, metadata !"_ZTS4AAA3", metadata !"text", i32 8, i64 32, i64 8, i64 0, i32 0, metadata !7} ; [ DW_TAG_member ] [text] [line 8, size 32, align 8, offset 0] [from ]
+!7 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 32, i64 8, i32 0, i32 0, metadata !8, metadata !9, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 32, align 8, offset 0] [from char]
+!8 = 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]
+!9 = metadata !{metadata !10}
+!10 = metadata !{i32 786465, i64 0, i64 4}        ; [ DW_TAG_subrange_type ] [0, 3]
+!11 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"AAA3", metadata !"AAA3", metadata !"", i32 5, metadata !12, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 5} ; [ DW_TAG_subprogram ] [line 5] [AAA3]
+!12 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!13 = metadata !{null, metadata !14, metadata !15}
+!14 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS4AAA3"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS4AAA3]
+!15 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !16} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
+!16 = 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 char]
+!17 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"operator=", metadata !"operator=", metadata !"_ZN4AAA3aSEPKc", i32 6, metadata !12, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 6} ; [ DW_TAG_subprogram ] [line 6] [operator=]
+!18 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"operator const char *", metadata !"operator const char *", metadata !"_ZNK4AAA3cvPKcEv", i32 7, metadata !19, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 7} ; [ DW_TAG_subprogram ] [line 7] [operator const char *]
+!19 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !20, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!20 = metadata !{metadata !15, metadata !21}
+!21 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !22} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from ]
+!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS4AAA3"} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from _ZTS4AAA3]
+!23 = metadata !{metadata !24, metadata !35, metadata !40}
+!24 = metadata !{i32 786478, metadata !1, metadata !25, metadata !"bar", metadata !"bar", metadata !"_Z3barii", i32 11, metadata !26, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32, i32)* @_Z3barii, null, null, metadata !29, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [bar]
+!25 = metadata !{i32 786473, metadata !1}         ; [ DW_TAG_file_type ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
+!26 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !27, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!27 = metadata !{null, metadata !28, metadata !28}
+!28 = 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]
+!29 = metadata !{metadata !30, metadata !31, metadata !32, metadata !33, metadata !34}
+!30 = metadata !{i32 786689, metadata !24, metadata !"param1", metadata !25, i32 16777227, metadata !28, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [param1] [line 11]
+!31 = metadata !{i32 786689, metadata !24, metadata !"param2", metadata !25, i32 33554443, metadata !28, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [param2] [line 11]
+!32 = metadata !{i32 786688, metadata !24, metadata !"temp", metadata !25, i32 12, metadata !15, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [temp] [line 12]
+!33 = metadata !{i32 786688, metadata !24, metadata !"var1", metadata !25, i32 17, metadata !"_ZTS4AAA3", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var1] [line 17]
+!34 = metadata !{i32 786688, metadata !24, metadata !"var2", metadata !25, i32 18, metadata !"_ZTS4AAA3", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var2] [line 18]
+!35 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"operator=", metadata !"operator=", metadata !"_ZN4AAA3aSEPKc", i32 6, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null, null, metadata !17, metadata !36, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [operator=]
+!36 = metadata !{metadata !37, metadata !39}
+!37 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!38 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS4AAA3"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS4AAA3]
+!39 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [value] [line 6]
+!40 = metadata !{i32 786478, metadata !1, metadata !"_ZTS4AAA3", metadata !"AAA3", metadata !"AAA3", metadata !"_ZN4AAA3C2EPKc", i32 5, metadata !12, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null, null, metadata !11, metadata !41, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [AAA3]
+!41 = metadata !{metadata !42, metadata !43}
+!42 = metadata !{i32 786689, metadata !40, metadata !"this", null, i32 16777216, metadata !38, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!43 = metadata !{i32 786689, metadata !40, metadata !"value", metadata !25, i32 33554437, metadata !15, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [value] [line 5]
+!44 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
+!45 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
+!46 = metadata !{metadata !"clang version 3.5.0 "}
+!47 = metadata !{i32 11, i32 0, metadata !24, null}
+!48 = metadata !{i8* null}
+!49 = metadata !{i32 12, i32 0, metadata !24, null}
+!50 = metadata !{i32 14, i32 0, metadata !51, null}
+!51 = metadata !{i32 786443, metadata !1, metadata !24, i32 14, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
+!52 = metadata !{i32 15, i32 0, metadata !53, null}
+!53 = metadata !{i32 786443, metadata !1, metadata !51, i32 14, i32 0, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
+!54 = metadata !{i32 16, i32 0, metadata !53, null}
+!55 = metadata !{i32 17, i32 0, metadata !24, null}
+!56 = metadata !{i32 786689, metadata !40, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !55} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!57 = metadata !{i32 0, i32 0, metadata !40, metadata !55}
+!58 = metadata !{i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)}
+!59 = metadata !{i32 786689, metadata !40, metadata !"value", metadata !25, i32 33554437, metadata !15, i32 0, metadata !55} ; [ DW_TAG_arg_variable ] [value] [line 5]
+!60 = metadata !{i32 5, i32 0, metadata !40, metadata !55}
+!61 = metadata !{i32 5, i32 0, metadata !62, metadata !55}
+!62 = metadata !{i32 786443, metadata !1, metadata !40, i32 5, i32 0, i32 0, i32 3} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
+!63 = metadata !{i32 18, i32 0, metadata !24, null}
+!64 = metadata !{i32 786689, metadata !40, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !63} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!65 = metadata !{i32 0, i32 0, metadata !40, metadata !63}
+!66 = metadata !{i32 786689, metadata !40, metadata !"value", metadata !25, i32 33554437, metadata !15, i32 0, metadata !63} ; [ DW_TAG_arg_variable ] [value] [line 5]
+!67 = metadata !{i32 5, i32 0, metadata !40, metadata !63}
+!68 = metadata !{i32 5, i32 0, metadata !62, metadata !63}
+!69 = metadata !{i32 20, i32 0, metadata !70, null}
+!70 = metadata !{i32 786443, metadata !1, metadata !24, i32 20, i32 0, i32 0, i32 2} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/dbg-changes-codegen-branch-folding.cpp]
+!71 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !72} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!72 = metadata !{i32 21, i32 0, metadata !70, null}
+!73 = metadata !{i32 0, i32 0, metadata !35, metadata !72}
+!74 = metadata !{i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0)}
+!75 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, metadata !72} ; [ DW_TAG_arg_variable ] [value] [line 6]
+!76 = metadata !{i32 6, i32 0, metadata !35, metadata !72}
+!77 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !78} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!78 = metadata !{i32 23, i32 0, metadata !70, null}
+!79 = metadata !{i32 0, i32 0, metadata !35, metadata !78}
+!80 = metadata !{i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0)}
+!81 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, metadata !78} ; [ DW_TAG_arg_variable ] [value] [line 6]
+!82 = metadata !{i32 6, i32 0, metadata !35, metadata !78}
+!83 = metadata !{i32 786689, metadata !35, metadata !"this", null, i32 16777216, metadata !38, i32 1088, metadata !84} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!84 = metadata !{i32 24, i32 0, metadata !24, null}
+!85 = metadata !{i32 0, i32 0, metadata !35, metadata !84}
+!86 = metadata !{i32 786689, metadata !35, metadata !"value", metadata !25, i32 33554438, metadata !15, i32 0, metadata !84} ; [ DW_TAG_arg_variable ] [value] [line 6]
+!87 = metadata !{i32 6, i32 0, metadata !35, metadata !84}
+!88 = metadata !{i32 25, i32 0, metadata !24, null}