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71 lines
3.4 KiB
71 lines
3.4 KiB
; ModuleID = 'hi_foo.c'
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source_filename = "hi_foo.c"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; // hi_foo.c:
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; int y[2] = {23, 41};
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;
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; void foo(int p) {
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; y[p & 1]++;
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; }
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;
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; // Will be GCed, but remain visible in debug info
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; int z[2] = {1, 2};
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@y = hidden local_unnamed_addr global [2 x i32] [i32 23, i32 41], align 4, !dbg !0
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@z = hidden local_unnamed_addr global [2 x i32] [i32 1, i32 2], align 4, !dbg !6
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; Function Attrs: nounwind
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define hidden void @foo(i32 %p) local_unnamed_addr #0 !dbg !16 {
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entry:
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call void @llvm.dbg.value(metadata i32 %p, metadata !20, metadata !DIExpression()), !dbg !21
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%and = and i32 %p, 1, !dbg !22
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%arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* @y, i32 0, i32 %and, !dbg !23
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%0 = load i32, i32* %arrayidx, align 4, !dbg !24, !tbaa !25
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%inc = add nsw i32 %0, 1, !dbg !24
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store i32 %inc, i32* %arrayidx, align 4, !dbg !24, !tbaa !25
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ret void, !dbg !29
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!12, !13, !14}
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!llvm.ident = !{!15}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "y", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 332913) (llvm/trunk 332919)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "hi_foo.c", directory: "/usr/local/google/home/sbc/dev/wasm/llvm-build")
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!4 = !{}
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!5 = !{!0, !6}
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!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = distinct !DIGlobalVariable(name: "z", scope: !2, file: !3, line: 8, type: !8, isLocal: false, isDefinition: true)
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!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 64, elements: !10)
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{!11}
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!11 = !DISubrange(count: 2)
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!12 = !{i32 2, !"Dwarf Version", i32 4}
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!13 = !{i32 2, !"Debug Info Version", i32 3}
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!14 = !{i32 1, !"wchar_size", i32 4}
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!15 = !{!"clang version 7.0.0 (trunk 332913) (llvm/trunk 332919)"}
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!16 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 3, type: !17, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !19)
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!17 = !DISubroutineType(types: !18)
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!18 = !{null, !9}
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!19 = !{!20}
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!20 = !DILocalVariable(name: "p", arg: 1, scope: !16, file: !3, line: 3, type: !9)
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!21 = !DILocation(line: 3, column: 14, scope: !16)
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!22 = !DILocation(line: 4, column: 7, scope: !16)
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!23 = !DILocation(line: 4, column: 3, scope: !16)
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!24 = !DILocation(line: 4, column: 11, scope: !16)
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!25 = !{!26, !26, i64 0}
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!26 = !{!"int", !27, i64 0}
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!27 = !{!"omnipotent char", !28, i64 0}
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!28 = !{!"Simple C/C++ TBAA"}
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!29 = !DILocation(line: 5, column: 1, scope: !16)
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