Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/Bitcode/2006-12-11-Cast-ConstExpr.ll

@@ -0,0 +1,11 @@
+; This test ensures that we get a bitcast constant expression in and out,
+; not a sitofp constant expression. 
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+; RUN: verify-uselistorder < %s
+; CHECK: bitcast (
+
+@G = external global i32
+
+define float @tryit(i32 %A) {
+   ret float bitcast( i32 ptrtoint (i32* @G to i32) to float)
+}

external/llvm-project/llvm/test/Bitcode/2009-06-11-FirstClassAggregateConstant.ll

@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llvm-dis -disable-output
+; RUN: verify-uselistorder < %s
+; PR4373
+
+@foo = weak global { i32 } zeroinitializer              
+@bar = weak global i32 0                
+
+define void @test() {
+entry:
+        store { i32 } zeroinitializer, { i32 }* @foo
+        store i32 1, i32* @bar
+        ret void
+}

external/llvm-project/llvm/test/Bitcode/DICompileUnit-no-DWOId.ll

@@ -0,0 +1,9 @@
+; The input uses the older (r236428) form without a dwoId field.  This should
+; default to 0, which is not displayed at all in the textual representation.
+;
+; RUN: llvm-dis %s.bc -o - | FileCheck %s
+; CHECK: distinct !DICompileUnit
+; CHECK-NOT: dwoId:
+!named = !{!0}
+!0 = !DICompileUnit(language: 12, file: !1)
+!1 = !DIFile(filename: "path/to/file", directory: "/path/to/dir")

external/llvm-project/llvm/test/Bitcode/DIExpression-4.0.ll

@@ -0,0 +1,20 @@
+; RUN: llvm-dis -o - %s.bc | FileCheck %s
+
+@g = common global i8 0, align 4, !dbg !0
+
+!llvm.dbg.cu = !{!1}
+!llvm.module.flags = !{!7, !8}
+
+!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true, expr: !6)
+!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang (llvm/trunk 288154)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
+!2 = !DIFile(filename: "a.c", directory: "/")
+!3 = !{}
+!4 = !{!0}
+!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+; Old-style DIExpression bitcode records using DW_OP_bit_piece should be
+; upgraded to DW_OP_LLVM_fragment.
+;
+; CHECK: !DIExpression(DW_OP_LLVM_fragment, 8, 8)
+!6 = !DIExpression(DW_OP_bit_piece, 8, 8)
+!7 = !{i32 2, !"Dwarf Version", i32 4}
+!8 = !{i32 2, !"Debug Info Version", i32 3}

external/llvm-project/llvm/test/Bitcode/DIExpression-aggresult.ll

@@ -0,0 +1,35 @@
+; RUN: llvm-dis -o - %s.bc | FileCheck %s
+%class.A = type { i32, i32, i32, i32 }
+
+define void @_Z3fooi(%class.A* sret %agg.result) #0 !dbg !3 {
+  ; CHECK: call void @llvm.dbg.declare({{.*}}, metadata !DIExpression()), !dbg
+  call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !13, metadata !16), !dbg !17
+  ret void, !dbg !17
+}
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
+
+attributes #0 = { ssp }
+attributes #1 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!2}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
+!1 = !DIFile(filename: "a.cc", directory: "/tmp")
+!2 = !{i32 1, !"Debug Info Version", i32 3}
+!3 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", scope: !1, file: !1, line: 4, type: !4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0)
+!4 = !DISubroutineType(types: !5)
+!5 = !{!6}
+!6 = !DICompositeType(tag: DW_TAG_class_type, name: "A", scope: !0, file: !1, line: 2, size: 128, align: 32, elements: !7)
+!7 = !{!8, !10, !11, !12}
+!8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !1, file: !1, line: 2, baseType: !9, size: 32, align: 32)
+!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!10 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !1, file: !1, line: 2, baseType: !9, size: 32, align: 32, offset: 32)
+!11 = !DIDerivedType(tag: DW_TAG_member, name: "z", scope: !1, file: !1, line: 2, baseType: !9, size: 32, align: 32, offset: 64)
+!12 = !DIDerivedType(tag: DW_TAG_member, name: "o", scope: !1, file: !1, line: 2, baseType: !9, size: 32, align: 32, offset: 96)
+!13 = !DILocalVariable(name: "my_a", scope: !14, file: !1, line: 9, type: !15)
+!14 = distinct !DILexicalBlock(scope: !3, file: !1, line: 4, column: 14)
+!15 = !DIDerivedType(tag: DW_TAG_reference_type, file: !1, baseType: !6)
+!16 = !DIExpression(DW_OP_deref)
+!17 = !DILocation(line: 9, column: 5, scope: !3)

external/llvm-project/llvm/test/Bitcode/DIExpression-deref.ll

@@ -0,0 +1,27 @@
+; RUN: llvm-dis -o - %s.bc | FileCheck %s
+
+!llvm.dbg.cu = !{!1}
+!llvm.module.flags = !{!20, !21}
+
+!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
+!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang (llvm/trunk 300520)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
+!2 = !DIFile(filename: "a.c", directory: "/")
+!3 = !{}
+!4 = !{!10, !11, !12, !13}
+!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+; DW_OP_deref should be moved to the back of the expression.
+;
+; CHECK: !DIExpression(DW_OP_plus_uconst, 0, DW_OP_deref, DW_OP_LLVM_fragment, 8, 8)
+!6 = !DIExpression(DW_OP_deref, DW_OP_plus, 0, DW_OP_LLVM_fragment, 8, 8)
+; CHECK: !DIExpression(DW_OP_plus_uconst, 0, DW_OP_deref)
+!7 = !DIExpression(DW_OP_deref, DW_OP_plus, 0)
+; CHECK: !DIExpression(DW_OP_plus_uconst, 1, DW_OP_deref)
+!8 = !DIExpression(DW_OP_plus, 1, DW_OP_deref)
+; CHECK: !DIExpression(DW_OP_deref)
+!9 = !DIExpression(DW_OP_deref)
+!10 = !DIGlobalVariableExpression(var: !0, expr: !6)
+!11 = !DIGlobalVariableExpression(var: !0, expr: !7)
+!12 = !DIGlobalVariableExpression(var: !0, expr: !8)
+!13 = !DIGlobalVariableExpression(var: !0, expr: !9)
+!20 = !{i32 2, !"Dwarf Version", i32 4}
+!21 = !{i32 2, !"Debug Info Version", i32 3}

external/llvm-project/llvm/test/Bitcode/DIExpression-minus-upgrade.ll

@@ -0,0 +1,16 @@
+; RUN: llvm-dis -o - %s.bc | FileCheck %s
+
+!llvm.dbg.cu = !{!1}
+!llvm.module.flags = !{!8, !9}
+
+!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true)
+!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang (llvm/trunk 304286)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4)
+!2 = !DIFile(filename: "a.c", directory: "/")
+!3 = !{}
+!4 = !{!7}
+!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+; CHECK: !DIExpression(DW_OP_constu, 42, DW_OP_minus)
+!6 = !DIExpression(DW_OP_minus, 42)
+!7 = !DIGlobalVariableExpression(var: !0, expr: !6)
+!8 = !{i32 2, !"Dwarf Version", i32 4}
+!9 = !{i32 2, !"Debug Info Version", i32 3}

external/llvm-project/llvm/test/Bitcode/DIGlobalVariableExpression.ll

@@ -0,0 +1,37 @@
+; RUN: llvm-dis -o - %s.bc | FileCheck %s
+; RUN: llvm-dis -o - %s.bc | llvm-as - | llvm-bcanalyzer -dump - | FileCheck %s --check-prefix=BC
+
+; BC: GLOBAL_VAR_EXPR
+; BC: GLOBAL_DECL_ATTACHMENT
+; CHECK: @g = common global i32 0, align 4, !dbg ![[G:[0-9]+]]
+; CHECK: @h = common global i32 0, align 4, !dbg ![[H:[0-9]+]]
+; CHECK: ![[G]] = {{.*}}!DIGlobalVariableExpression(var: ![[GVAR:[0-9]+]], expr: !DIExpression(DW_OP_plus_uconst, 1))
+; CHECK: ![[GVAR]] = distinct !DIGlobalVariable(name: "g",
+; CHECK: DICompileUnit({{.*}}, imports: ![[IMPORTS:[0-9]+]]
+; CHECK: !DIGlobalVariableExpression(var: ![[CVAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, 23, DW_OP_stack_value))
+; CHECK: ![[CVAR]] = distinct !DIGlobalVariable(name: "c",
+; CHECK: ![[HVAR:[0-9]+]] = distinct !DIGlobalVariable(name: "h",
+; CHECK: ![[IMPORTS]] = !{![[CIMPORT:[0-9]+]]}
+; CHECK: ![[CIMPORT]] = !DIImportedEntity({{.*}}entity: ![[HVAR]]
+; CHECK: ![[H]] = {{.*}}!DIGlobalVariableExpression(var: ![[HVAR]], expr: !DIExpression())
+
+@g = common global i32 0, align 4, !dbg !0
+@h = common global i32 0, align 4, !dbg !11
+
+!llvm.dbg.cu = !{!1}
+!llvm.module.flags = !{!6, !7, !8}
+!llvm.ident = !{!9}
+
+!0 = distinct !DIGlobalVariable(name: "g", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true, expr: !DIExpression(DW_OP_plus, 1))
+!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, imports: !3)
+!2 = !DIFile(filename: "a.c", directory: "/")
+!3 = !{!12}
+!4 = !{!0, !10, !11}
+!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!6 = !{i32 2, !"Dwarf Version", i32 4}
+!7 = !{i32 2, !"Debug Info Version", i32 3}
+!8 = !{i32 1, !"PIC Level", i32 2}
+!9 = !{!"clang version 4.0.0 (trunk 286129) (llvm/trunk 286128)"}
+!10 = distinct !DIGlobalVariable(name: "c", scope: !1, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true, expr: !DIExpression(DW_OP_constu, 23, DW_OP_stack_value))
+!11 = distinct !DIGlobalVariable(name: "h", scope: !1, file: !2, line: 2, type: !5, isLocal: false, isDefinition: true)
+!12 = !DIImportedEntity(tag: DW_TAG_imported_declaration, file: !2, line: 1, scope: !1, entity: !11)

external/llvm-project/llvm/test/Bitcode/DIGlobalVariableExpression2.ll

@@ -0,0 +1,31 @@
+; RUN: llvm-dis -o - %s.bc | FileCheck %s
+
+; CHECK: @g = common global i32 0, align 4, !dbg ![[G:[0-9]+]]
+; CHECK-DAG: ![[G]] = distinct !DIGlobalVariableExpression(var: ![[GVAR:[0-9]+]], expr: !DIExpression())
+; CHECK-DAG: distinct !DICompileUnit({{.*}}, globals: ![[GLOBS:[0-9]+]]
+; CHECK-DAG: ![[GLOBS]] = !{![[GEXPR:[0-9]+]]}
+; CHECK-DAG: ![[GEXPR]] = distinct !DIGlobalVariableExpression(var: ![[GVAR]], expr: !DIExpression())
+; CHECK-DAG: ![[GVAR]] = !DIGlobalVariable(name: "g",
+
+; Test the bitcode upgrade for DIGlobalVariable -> DIGlobalVariableExpression.
+
+; ModuleID = 'a.c'
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.12.0"
+
+@g = common global i32 0, align 4
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!6, !7, !8}
+!llvm.ident = !{!9}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (clang-stage1-configure-RA_build 241111)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3, imports: !2)
+!1 = !DIFile(filename: "a.c", directory: "/tmp")
+!2 = !{}
+!3 = !{!4}
+!4 = !DIGlobalVariable(name: "g", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, variable: i32* @g)
+!5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!6 = !{i32 2, !"Dwarf Version", i32 2}
+!7 = !{i32 2, !"Debug Info Version", i32 3}
+!8 = !{i32 1, !"PIC Level", i32 2}
+!9 = !{!"clang version 3.7.0 (clang-stage1-configure-RA_build 241111)"}

external/llvm-project/llvm/test/Bitcode/DILocalVariable-explicit-tags.ll

@@ -0,0 +1,22 @@
+; Bitcode compiled with 3.7_rc2.  3.7 had redundant (but mandatory) tag fields
+; on DILocalVariable.
+;
+; RUN: llvm-dis < %s.bc -o - | llvm-as | llvm-dis | FileCheck %s
+
+; CHECK: ![[SP:[0-9]+]] = distinct !DISubprogram(name: "foo",{{.*}} variables: ![[VARS:[0-9]+]]
+; CHECK: ![[VARS]] = !{![[PARAM:[0-9]+]], ![[AUTO:[0-9]+]]}
+; CHECK: ![[PARAM]] = !DILocalVariable(name: "param", arg: 1, scope: ![[SP]])
+; CHECK: ![[AUTO]]  = !DILocalVariable(name: "auto", scope: ![[SP]])
+
+!named = !{!0}
+
+!llvm.module.flags = !{!6}
+!llvm.dbg.cu = !{!4}
+
+!0 = distinct !DISubprogram(name: "foo", scope: null, isLocal: false, isDefinition: true, isOptimized: false, variables: !1)
+!1 = !{!2, !3}
+!2 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "param", arg: 1, scope: !0)
+!3 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "auto", scope: !0)
+!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !5, subprograms: !{!0})
+!5 = !DIFile(filename: "source.c", directory: "/dir")
+!6 = !{i32 1, !"Debug Info Version", i32 3}

external/llvm-project/llvm/test/Bitcode/DINamespace.ll

@@ -0,0 +1,23 @@
+; RUN: llvm-dis %s.bc -o - | FileCheck %s
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.12.0"
+
+@_ZN1N1iE = global i32 0, align 4, !dbg !0
+
+!llvm.dbg.cu = !{!4}
+!llvm.module.flags = !{!7, !8, !9}
+!llvm.ident = !{!10}
+
+!0 = distinct !DIGlobalVariable(name: "i", linkageName: "_ZN1N1iE", scope: !1, file: !2, line: 2, type: !3, isLocal: false, isDefinition: true)
+; Test bitcode upgrade for DINamespace without an exportSymbols field.
+; CHECK: !DINamespace(name: "N", scope: null)
+!1 = !DINamespace(name: "N", scope: null)
+!2 = !DIFile(filename: "dinamespace.cpp", directory: "/")
+!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!4 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 4.0.0 (trunk 283228) (llvm/trunk 283225)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, globals: !6)
+!5 = !{}
+!6 = !{!0}
+!7 = !{i32 2, !"Dwarf Version", i32 4}
+!8 = !{i32 2, !"Debug Info Version", i32 3}
+!9 = !{i32 1, !"PIC Level", i32 2}
+!10 = !{!"clang version 4.0.0 (trunk 283228) (llvm/trunk 283225)"}