81 lines
3.6 KiB
LLVM
81 lines
3.6 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt < %s -globalopt -stats -disable-output 2>&1 | FileCheck %s
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; CHECK: 1 globalopt - Number of global vars shrunk to booleans
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source_filename = "test/Transforms/GlobalOpt/2009-03-05-dbg.ll"
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@Stop = internal global i32 0, !dbg !0
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; Function Attrs: nounwind ssp
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define i32 @foo(i32 %i) #0 {
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entry:
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%"alloca point" = bitcast i32 0 to i32
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call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !8, metadata !12), !dbg !13
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%0 = icmp eq i32 %i, 1, !dbg !13
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br i1 %0, label %bb, label %bb1, !dbg !13
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bb: ; preds = %entry
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store i32 0, i32* @Stop, align 4, !dbg !15
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%1 = mul nsw i32 %i, 42, !dbg !16
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call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !8, metadata !12), !dbg !16
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br label %bb2, !dbg !16
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bb1: ; preds = %entry
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store i32 1, i32* @Stop, align 4, !dbg !17
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br label %bb2, !dbg !17
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bb2: ; preds = %bb1, %bb
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%i_addr.0 = phi i32 [ %1, %bb ], [ %i, %bb1 ]
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br label %return, !dbg !18
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return: ; preds = %bb2
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ret i32 %i_addr.0, !dbg !18
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind ssp
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define i32 @bar() #0 {
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entry:
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%"alloca point" = bitcast i32 0 to i32
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%0 = load i32, i32* @Stop, align 4, !dbg !19
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%1 = icmp eq i32 %0, 1, !dbg !19
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br i1 %1, label %bb, label %bb1, !dbg !19
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bb: ; preds = %entry
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br label %bb2, !dbg !24
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bb1: ; preds = %entry
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br label %bb2, !dbg !25
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bb2: ; preds = %bb1, %bb
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%.0 = phi i32 [ 0, %bb ], [ 1, %bb1 ]
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br label %return, !dbg !25
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return: ; preds = %bb2
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ret i32 %.0, !dbg !25
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind ssp }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!6, !7}
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!0 = !DIGlobalVariableExpression(var: !1)
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!1 = !DIGlobalVariable(name: "Stop", scope: !2, file: !3, line: 2, type: !5, isLocal: true, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C89, file: !3, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4)
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!3 = !DIFile(filename: "g.c", directory: "/tmp")
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!4 = !{!0}
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!5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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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: "i", arg: 1, scope: !9, file: !3, line: 4, type: !5)
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!9 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !2, file: !3, line: 4, type: !10, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !2)!10 = !DISubroutineType(types: !11)!11 = !{!5, !5}!12 = !DIExpression()!13 = !DILocation(line: 5, scope: !14)!14 = distinct !DILexicalBlock(scope: !9, file: !3)!15 = !DILocation(line: 6, scope: !14)!16 = !DILocation(line: 7, scope: !14)!17 = !DILocation(line: 9, scope: !14)!18 = !DILocation(line: 11, scope: !14)!19 = !DILocation(line: 14, scope: !20)!20 = distinct !DILexicalBlock(scope: !21, file: !3)!21 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !2, file: !3, line: 13, type: !22, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !2)!22 = !DISubroutineType(types: !23)!23 = !{!5}!24 = !DILocation(line: 15, scope: !20)!25 = !DILocation(line: 16, scope: !20)
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