71 lines
3.4 KiB
LLVM
71 lines
3.4 KiB
LLVM
; RUN: opt -S < %s -globalopt | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
@_ZL1x = internal global [200 x i8]* null, align 8, !dbg !0
|
|
|
|
define i32 @main(i32 %argc, i8** %argv) norecurse !dbg !18 {
|
|
; CHECK: define i32 @main
|
|
; Make sure we localized the global.
|
|
; CHECK: alloca [200 x i8]*
|
|
; Make sure the metadata is sane. Currently, we just drop the metadata,
|
|
; so it points to nothing.
|
|
; CHECK: call void @llvm.dbg.value(metadata !2,
|
|
; CHECK: !2 = !{}
|
|
entry:
|
|
call void @llvm.dbg.value(metadata i32 %argc, metadata !22, metadata !23), !dbg !24
|
|
call void @llvm.dbg.value(metadata i8** %argv, metadata !25, metadata !23), !dbg !26
|
|
%arrayidx = getelementptr inbounds i8*, i8** %argv, i64 0, !dbg !27
|
|
%0 = load i8*, i8** %arrayidx, align 8, !dbg !27
|
|
%1 = bitcast i8* %0 to [200 x i8]*, !dbg !28
|
|
store [200 x i8]* %1, [200 x i8]** @_ZL1x, align 8, !dbg !29
|
|
call void @llvm.dbg.value(metadata i8** bitcast ([200 x i8]** @_ZL1x to i8**), metadata !30, metadata !23), !dbg !31
|
|
%2 = load i8*, i8** bitcast ([200 x i8]** @_ZL1x to i8**), align 8, !dbg !32
|
|
%3 = load i8, i8* %2, align 1, !dbg !33
|
|
%conv = sext i8 %3 to i32, !dbg !33
|
|
ret i32 %conv, !dbg !34
|
|
}
|
|
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!15, !16}
|
|
!llvm.ident = !{!17}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = distinct !DIGlobalVariable(name: "x", linkageName: "_ZL1x", scope: !2, file: !14, line: 1, type: !6, isLocal: true, isDefinition: true)
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !13)
|
|
!3 = !DIFile(filename: "-", directory: "/")
|
|
!4 = !{}
|
|
!5 = !{!6, !11}
|
|
!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
|
|
!7 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 1600, elements: !9)
|
|
!8 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
|
|
!9 = !{!10}
|
|
!10 = !DISubrange(count: 200)
|
|
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
|
|
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
|
|
!13 = !{!0}
|
|
!14 = !DIFile(filename: "<stdin>", directory: "/")
|
|
!15 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!16 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!17 = !{!"clang"}
|
|
!18 = distinct !DISubprogram(name: "main", scope: !14, file: !14, line: 2, type: !19, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
|
|
!19 = !DISubroutineType(types: !20)
|
|
!20 = !{!21, !21, !11}
|
|
!21 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!22 = !DILocalVariable(name: "argc", arg: 1, scope: !18, file: !14, line: 2, type: !21)
|
|
!23 = !DIExpression()
|
|
!24 = !DILocation(line: 2, column: 14, scope: !18)
|
|
!25 = !DILocalVariable(name: "argv", arg: 2, scope: !18, file: !14, line: 2, type: !11)
|
|
!26 = !DILocation(line: 2, column: 26, scope: !18)
|
|
!27 = !DILocation(line: 2, column: 52, scope: !18)
|
|
!28 = !DILocation(line: 2, column: 38, scope: !18)
|
|
!29 = !DILocation(line: 2, column: 36, scope: !18)
|
|
!30 = !DILocalVariable(name: "y", scope: !18, file: !14, line: 2, type: !11)
|
|
!31 = !DILocation(line: 2, column: 68, scope: !18)
|
|
!32 = !DILocation(line: 2, column: 92, scope: !18)
|
|
!33 = !DILocation(line: 2, column: 91, scope: !18)
|
|
!34 = !DILocation(line: 2, column: 84, scope: !18)
|