80 lines
3.1 KiB
LLVM
80 lines
3.1 KiB
LLVM
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; ModuleID = 'lcdnum.c'
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source_filename = "lcdnum.c"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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@IN = dso_local global i8 0, align 1
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@OUT = dso_local global i8 0, align 1
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@switch.table.main = private unnamed_addr constant [15 x i8] c"$]m.]{%\7Fo?zS|[\1B", align 1
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; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone sspstrong uwtable willreturn
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define dso_local zeroext i8 @num_to_lcd(i8 zeroext %0) local_unnamed_addr #0 {
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%2 = add i8 %0, -1
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%3 = icmp ult i8 %2, 15
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br i1 %3, label %4, label %8
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4: ; preds = %1
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%5 = sext i8 %2 to i64
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%6 = getelementptr inbounds [15 x i8], [15 x i8]* @switch.table.main, i64 0, i64 %5
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%7 = load i8, i8* %6, align 1
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br label %8
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8: ; preds = %4, %1
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%9 = phi i8 [ 0, %1 ], [ %7, %4 ]
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ret i8 %9
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}
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; Function Attrs: nofree norecurse nounwind sspstrong uwtable
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define dso_local i32 @main() local_unnamed_addr #1 {
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br label %1
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1: ; preds = %0, %15
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%2 = phi i32 [ 0, %0 ], [ %16, %15 ]
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%3 = load volatile i8, i8* @IN, align 1, !tbaa !5
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%4 = icmp ult i32 %2, 5
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br i1 %4, label %5, label %15
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5: ; preds = %1
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%6 = and i8 %3, 15
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%7 = add nsw i8 %6, -1
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%8 = icmp ult i8 %7, 15
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br i1 %8, label %9, label %13
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9: ; preds = %5
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%10 = sext i8 %7 to i64
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%11 = getelementptr inbounds [15 x i8], [15 x i8]* @switch.table.main, i64 0, i64 %10
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%12 = load i8, i8* %11, align 1
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br label %13
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13: ; preds = %9, %5
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%14 = phi i8 [ 0, %5 ], [ %12, %9 ]
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store volatile i8 %14, i8* @OUT, align 1, !tbaa !5
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br label %15
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15: ; preds = %1, %13
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%16 = add nuw nsw i32 %2, 1
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%17 = icmp eq i32 %16, 10
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br i1 %17, label %18, label %1, !llvm.loop !8
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18: ; preds = %15
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ret i32 0
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}
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attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone sspstrong uwtable willreturn "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { nofree norecurse nounwind sspstrong uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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!llvm.module.flags = !{!0, !1, !2, !3}
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!llvm.ident = !{!4}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{i32 7, !"PIC Level", i32 2}
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!2 = !{i32 7, !"PIE Level", i32 2}
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!3 = !{i32 7, !"uwtable", i32 1}
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!4 = !{!"clang version 13.0.1"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"omnipotent char", !7, i64 0}
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!7 = !{!"Simple C/C++ TBAA"}
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!8 = distinct !{!8, !9, !10}
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!9 = !{!"llvm.loop.mustprogress"}
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!10 = !{!"llvm.loop.unroll.disable"}
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