56 lines
2.1 KiB
LLVM
56 lines
2.1 KiB
LLVM
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; RUN: llc < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@x = common global i32 0, align 4
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define i32 @main() !dbg !4 {
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entry:
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%0 = load volatile i32, i32* @x, align 4, !dbg !9, !tbaa !10
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%add = add nsw i32 %0, 24, !dbg !9
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store volatile i32 %add, i32* @x, align 4, !dbg !9, !tbaa !10
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%1 = load volatile i32, i32* @x, align 4, !dbg !14, !tbaa !10
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%add1 = add nsw i32 %1, 2, !dbg !14
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store volatile i32 %add1, i32* @x, align 4, !dbg !14, !tbaa !10
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%2 = load volatile i32, i32* @x, align 4, !dbg !15, !tbaa !10
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%add2 = add nsw i32 %2, 3, !dbg !15
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store volatile i32 %add2, i32* @x, align 4, !dbg !15, !tbaa !10
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%3 = load volatile i32, i32* @x, align 4, !dbg !16, !tbaa !10
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%add3 = add nsw i32 %3, 4, !dbg !16
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store volatile i32 %add3, i32* @x, align 4, !dbg !16, !tbaa !10
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tail call void @exit(i32 24), !dbg !17
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unreachable, !dbg !17
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}
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; CHECK-LABEL: main:
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; CHECK: .loc 1 3
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; CHECK: .loc 1 4
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; CHECK: .loc 1 5
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; CHECK: .loc 1 6
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; CHECK: .loc 1 7
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; CHECK: .loc 1 8
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; CHECK-NEXT: movl $24, %edi
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; CHECK-NEXT: callq exit
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declare void @exit(i32)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!6, !7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 259383) (llvm/trunk 259385)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
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!1 = !DIFile(filename: "t.c", directory: "/home/majnemer/llvm/src")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, retainedNodes: !2)
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!5 = !DISubroutineType(types: !2)
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!6 = !{i32 2, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !DILocation(line: 4, column: 5, scope: !4)
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!10 = !{!11, !11, i64 0}
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!11 = !{!"int", !12, i64 0}
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!12 = !{!"omnipotent char", !13, i64 0}
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!13 = !{!"Simple C/C++ TBAA"}
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!14 = !DILocation(line: 5, column: 5, scope: !4)
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!15 = !DILocation(line: 6, column: 5, scope: !4)
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!16 = !DILocation(line: 7, column: 5, scope: !4)
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!17 = !DILocation(line: 8, column: 3, scope: !4)
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