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llvm-mirror/test/ThinLTO/X86/pr35472.ll
Amy Huang 062b5d40cb Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

123 lines
6.3 KiB
LLVM

; Test to make sure that lazily loaded debug location scope metadata is
; handled properly. Note that we need to have the DILexicalScope !34
; referenced from multiple function's debug locs for this to be in the
; lazily loaded module level metadata block.
; RUN: opt -module-hash -module-summary %s -o %t1.bc
; RUN: opt -module-hash -module-summary %p/Inputs/pr35472.ll -o %t2.bc
; RUN: llvm-lto -thinlto-action=run %t1.bc %t2.bc -exported-symbol=_Z5Alphav
; RUN: llvm-nm %t1.bc.thinlto.o | FileCheck %s -check-prefix=ThinLTOa
; RUN: llvm-nm %t2.bc.thinlto.o | FileCheck %s -check-prefix=ThinLTOb
; ThinLTOa-DAG: T _Z5Bravov
; ThinLTOa-DAG: W _ZN4EchoD2Ev
; ThinLTOb-DAG: T _Z5Alphav
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%struct.Delta = type { %struct.Charlie }
%struct.Charlie = type { i32 }
%struct.Echo = type { %struct.Charlie }
$_ZN4EchoD2Ev = comdat any
$_ZN5DeltaD2Ev = comdat any
define void @_Z5Bravov() !dbg !7 {
%Hotel = alloca %struct.Delta, align 4
%India = alloca %struct.Echo, align 4
call void @llvm.dbg.declare(metadata %struct.Delta* %Hotel, metadata !10, metadata !DIExpression()), !dbg !22
call void @_ZN4EchoD2Ev(%struct.Echo* %India), !dbg !28
ret void, !dbg !28
}
declare void @llvm.dbg.declare(metadata, metadata, metadata)
define linkonce_odr void @_ZN4EchoD2Ev(%struct.Echo* %this) unnamed_addr comdat align 2 {
%this.addr.i = alloca %struct.Charlie*, align 8
call void @llvm.dbg.declare(metadata %struct.Charlie** %this.addr.i, metadata !29, metadata !DIExpression()), !dbg !32
%this1.i = load %struct.Charlie*, %struct.Charlie** %this.addr.i, align 8
%Golf.i = getelementptr inbounds %struct.Charlie, %struct.Charlie* %this1.i, i32 0, i32 0, !dbg !33
ret void
}
define linkonce_odr void @_ZN5DeltaD2Ev(%struct.Delta* %this) unnamed_addr comdat align 2 !dbg !36 {
%this.addr.i = alloca %struct.Charlie*, align 8
call void @llvm.dbg.declare(metadata %struct.Charlie** %this.addr.i, metadata !29, metadata !DIExpression()), !dbg !41
%this1.i = load %struct.Charlie*, %struct.Charlie** %this.addr.i, align 8
%Golf.i = getelementptr inbounds %struct.Charlie, %struct.Charlie* %this1.i, i32 0, i32 0, !dbg !48
ret void
}
!llvm.module.flags = !{!3, !4, !5}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 (trunk 321056)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "a.cpp", directory: "/home/sunil/185335/302")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!7 = distinct !DISubprogram(name: "Bravo", linkageName: "_Z5Bravov", scope: !1, file: !1, line: 17, type: !8, isLocal: false, isDefinition: true, scopeLine: 17, flags: DIFlagPrototyped, isOptimized: false, unit: !0)
!8 = !DISubroutineType(types: !9)
!9 = !{null}
!10 = !DILocalVariable(name: "Hotel", scope: !7, file: !1, line: 18, type: !11)
!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Delta", file: !1, line: 6, size: 32, elements: !12, identifier: "_ZTS5Delta")
!12 = !{!13}
!13 = !DIDerivedType(tag: DW_TAG_member, name: "Foxtrot", scope: !11, file: !1, line: 7, baseType: !14, size: 32)
!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Charlie", file: !1, line: 1, size: 32, elements: !15, identifier: "_ZTS7Charlie")
!15 = !{!16, !18}
!16 = !DIDerivedType(tag: DW_TAG_member, name: "Golf", scope: !14, file: !1, line: 3, baseType: !17, size: 32)
!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!18 = !DISubprogram(name: "~Charlie", scope: !14, file: !1, line: 2, type: !19, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false)
!19 = !DISubroutineType(types: !20)
!20 = !{null, !21}
!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!22 = !DILocation(line: 18, column: 11, scope: !7)
!24 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Echo", file: !1, line: 10, size: 32, elements: !25, identifier: "_ZTS4Echo")
!25 = !{!26}
!26 = !DIDerivedType(tag: DW_TAG_member, name: "Foxtrot", scope: !24, file: !1, line: 11, baseType: !14, size: 32)
!28 = !DILocation(line: 20, column: 1, scope: !7)
!29 = !DILocalVariable(name: "this", arg: 1, scope: !30, type: !31, flags: DIFlagArtificial | DIFlagObjectPointer)
!30 = distinct !DISubprogram(name: "~Charlie", linkageName: "_ZN7CharlieD2Ev", scope: !14, file: !1, line: 2, type: !19, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !18)
!31 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64)
!32 = !DILocation(line: 0, scope: !30)
!33 = !DILocation(line: 2, column: 53, scope: !34)
!34 = distinct !DILexicalBlock(scope: !30, file: !1, line: 2, column: 51)
!36 = distinct !DISubprogram(name: "~Delta", linkageName: "_ZN5DeltaD2Ev", scope: !11, file: !1, line: 6, type: !37, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !40)
!37 = !DISubroutineType(types: !38)
!38 = !{null, !39}
!39 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!40 = !DISubprogram(name: "~Delta", scope: !11, type: !37, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!41 = !DILocation(line: 0, scope: !30, inlinedAt: !42)
!42 = distinct !DILocation(line: 6, column: 8, scope: !43)
!43 = distinct !DILexicalBlock(scope: !36, file: !1, line: 6, column: 8)
!48 = !DILocation(line: 2, column: 53, scope: !34, inlinedAt: !42)
;----------------------------------------------------------------------------------------------
; Compiled from following two source files with 'clang++ -S --std=c++11 -O0 -g -flto=thin'
; struct Charlie {
; __attribute__((__always_inline__)) ~Charlie() { Golf = 0; }
; int Golf;
; };
;
; struct Delta {
; Charlie Foxtrot;
; };
;
; struct Echo {
; Charlie Foxtrot;
; __attribute__((nodebug)) ~Echo() = default;
; };
;
; extern void Bravo();
;
; void Bravo() {
; Delta Hotel;
; Echo India;
; }
; -----------------------------
; extern void Bravo();
; extern void Alpha();
; void Alpha() { Bravo(); }