106 lines
4.4 KiB
LLVM
106 lines
4.4 KiB
LLVM
; RUN: llc -filetype=asm -fast-isel=false -O0 < %s | FileCheck %s
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;
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; Generated by:
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; clang -emit-llvm -S -g test.cpp
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; typedef double fp_t;
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; typedef unsigned long int_t;
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;
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; int_t glb_start = 17;
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; int_t glb_end = 42;
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;
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; int main()
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; {
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; int_t start = glb_start;
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; int_t end = glb_end;
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;
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; fp_t dbl_start = (fp_t) start;
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; fp_t dbl_end = (fp_t) end;
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;
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; return 0;
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; }
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; SelectionDAG performs CSE on constant pool loads. Make sure line numbers
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; from such nodes are not propagated. Doing so results in oscillating line numbers.
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; CHECK: .loc 1 12
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; CHECK: .loc 1 13
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; CHECK-NOT: .loc 1 12
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; ModuleID = 't.cpp'
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source_filename = "test/DebugInfo/X86/isel-cse-line.ll"
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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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@glb_start = global i64 17, align 8, !dbg !0
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@glb_end = global i64 42, align 8, !dbg !9
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define i32 @main() !dbg !16 {
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%1 = alloca i32, align 4
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%2 = alloca i64, align 8
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%3 = alloca i64, align 8
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%4 = alloca double, align 8
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%5 = alloca double, align 8
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store i32 0, i32* %1, align 4
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call void @llvm.dbg.declare(metadata i64* %2, metadata !20, metadata !21), !dbg !22
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%6 = load i64, i64* @glb_start, align 8, !dbg !23
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store i64 %6, i64* %2, align 8, !dbg !22
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call void @llvm.dbg.declare(metadata i64* %3, metadata !24, metadata !21), !dbg !25
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%7 = load i64, i64* @glb_end, align 8, !dbg !26
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store i64 %7, i64* %3, align 8, !dbg !25
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call void @llvm.dbg.declare(metadata double* %4, metadata !27, metadata !21), !dbg !28
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%8 = load i64, i64* %2, align 8, !dbg !29
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%9 = uitofp i64 %8 to double, !dbg !29
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store double %9, double* %4, align 8, !dbg !28
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call void @llvm.dbg.declare(metadata double* %5, metadata !30, metadata !21), !dbg !31
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%10 = load i64, i64* %3, align 8, !dbg !32
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%11 = uitofp i64 %10 to double, !dbg !32
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store double %11, double* %5, align 8, !dbg !31
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ret i32 0, !dbg !33
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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attributes #0 = { nounwind readnone }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!13, !14}
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!llvm.ident = !{!15}
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!0 = distinct !DIGlobalVariableExpression(var: !1)
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!1 = !DIGlobalVariable(name: "glb_start", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 268246)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !8)
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!3 = !DIFile(filename: "/home/wpieb/test/D12094.cpp", directory: "/home/wpieb/build/llvm/trunk/llvm-RelWithDebInfo")
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!4 = !{}
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!5 = !{!6}
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!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "fp_t", file: !3, line: 1, baseType: !7)
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!7 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float)
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!8 = !{!0, !9}
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!9 = distinct !DIGlobalVariableExpression(var: !10)
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!10 = !DIGlobalVariable(name: "glb_end", scope: !2, file: !3, line: 5, type: !11, isLocal: false, isDefinition: true)
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!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "int_t", file: !3, line: 2, baseType: !12)
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!12 = !DIBasicType(name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
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!13 = !{i32 2, !"Dwarf Version", i32 4}
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!14 = !{i32 2, !"Debug Info Version", i32 3}
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!15 = !{!"clang version 3.9.0 (trunk 268246)"}
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!16 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 7, type: !17, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, variables: !4)
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!17 = !DISubroutineType(types: !18)
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!18 = !{!19}
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!19 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!20 = !DILocalVariable(name: "start", scope: !16, file: !3, line: 9, type: !11)
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!21 = !DIExpression()
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!22 = !DILocation(line: 9, column: 9, scope: !16)
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!23 = !DILocation(line: 9, column: 17, scope: !16)
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!24 = !DILocalVariable(name: "end", scope: !16, file: !3, line: 10, type: !11)
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!25 = !DILocation(line: 10, column: 9, scope: !16)
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!26 = !DILocation(line: 10, column: 17, scope: !16)
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!27 = !DILocalVariable(name: "dbl_start", scope: !16, file: !3, line: 12, type: !6)
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!28 = !DILocation(line: 12, column: 8, scope: !16)
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!29 = !DILocation(line: 12, column: 27, scope: !16)
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!30 = !DILocalVariable(name: "dbl_end", scope: !16, file: !3, line: 13, type: !6)
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!31 = !DILocation(line: 13, column: 8, scope: !16)
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!32 = !DILocation(line: 13, column: 27, scope: !16)
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!33 = !DILocation(line: 15, column: 3, scope: !16)
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