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89 lines
4.1 KiB
LLVM
89 lines
4.1 KiB
LLVM
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; RUN: llc < %s
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source_filename = "test/CodeGen/ARM/2010-06-25-Thumb2ITInvalidIterator.ll"
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
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target triple = "thumbv7-apple-darwin3.0.0-iphoneos"
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@length = common global i32 0, align 4, !dbg !0
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; Function Attrs: nounwind optsize
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define void @x0(i8* nocapture %buf, i32 %nbytes) #0 {
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entry:
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tail call void @llvm.dbg.value(metadata i8* %buf, metadata !8, metadata !14), !dbg !15
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tail call void @llvm.dbg.value(metadata i32 %nbytes, metadata !16, metadata !14), !dbg !18
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%tmp = load i32, i32* @length, !dbg !19
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%cmp = icmp eq i32 %tmp, -1, !dbg !19
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%cmp.not = xor i1 %cmp, true
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%cmp3 = icmp ult i32 %tmp, %nbytes, !dbg !19
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%or.cond = and i1 %cmp.not, %cmp3
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tail call void @llvm.dbg.value(metadata i32 %tmp, metadata !16, metadata !14), !dbg !19
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%nbytes.addr.0 = select i1 %or.cond, i32 %tmp, i32 %nbytes
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tail call void @llvm.dbg.value(metadata i32 0, metadata !21, metadata !14), !dbg !22
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br label %while.cond, !dbg !23
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while.cond: ; preds = %while.body, %entry
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%0 = phi i32 [ 0, %entry ], [ %inc, %while.body ]
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%buf.addr.0 = getelementptr i8, i8* %buf, i32 %0
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%cmp7 = icmp ult i32 %0, %nbytes.addr.0, !dbg !23
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br i1 %cmp7, label %land.rhs, label %while.end, !dbg !23
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land.rhs: ; preds = %while.cond
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%call = tail call i32 @x1() #0, !dbg !23
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%cmp9 = icmp eq i32 %call, -1, !dbg !23
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br i1 %cmp9, label %while.end, label %while.body, !dbg !23
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while.body: ; preds = %land.rhs
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%conv = trunc i32 %call to i8, !dbg !24
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store i8 %conv, i8* %buf.addr.0, !dbg !24
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%inc = add i32 %0, 1, !dbg !26
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br label %while.cond, !dbg !27
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while.end: ; preds = %land.rhs, %while.cond
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ret void, !dbg !28
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}
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; Function Attrs: optsize
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declare i32 @x1() #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind optsize }
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attributes #1 = { optsize }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!6, !7}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "length", linkageName: "length", scope: !2, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "t.c", directory: "/private/tmp")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang 2.0", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, globals: !5)
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!5 = !{!0}
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!6 = !{i32 2, !"Dwarf Version", i32 2}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !DILocalVariable(name: "buf", arg: 1, scope: !9, file: !2, line: 4, type: !12)
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!9 = distinct !DISubprogram(name: "x0", linkageName: "x0", scope: null, file: !2, line: 5, type: !10, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !4)
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!10 = !DISubroutineType(types: !11)
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!11 = !{null}
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!12 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !2, file: !2, baseType: !13, size: 32, align: 32)
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!13 = !DIBasicType(name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
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!14 = !DIExpression()
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!15 = !DILocation(line: 4, column: 24, scope: !9)
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!16 = !DILocalVariable(name: "nbytes", arg: 2, scope: !9, file: !2, line: 4, type: !17)
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!17 = !DIBasicType(name: "unsigned long", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!18 = !DILocation(line: 4, column: 43, scope: !9)
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!19 = !DILocation(line: 9, column: 2, scope: !20)
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!20 = distinct !DILexicalBlock(scope: !9, file: !2, line: 5, column: 1)
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!21 = !DILocalVariable(name: "nread", scope: !20, file: !2, line: 6, type: !17)
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!22 = !DILocation(line: 10, column: 2, scope: !20)
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!23 = !DILocation(line: 11, column: 2, scope: !20)
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!24 = !DILocation(line: 12, column: 3, scope: !25)
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!25 = distinct !DILexicalBlock(scope: !20, file: !2, line: 11, column: 45)
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!26 = !DILocation(line: 13, column: 3, scope: !25)
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!27 = !DILocation(line: 14, column: 2, scope: !25)
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!28 = !DILocation(line: 15, column: 1, scope: !20)
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