; RUN: llc -filetype=asm -fast-isel=false -O0 < %s | FileCheck %s ; ; Generated by: ; clang -emit-llvm -S -g test.cpp ; typedef double fp_t; ; typedef unsigned long int_t; ; ; int_t glb_start = 17; ; int_t glb_end = 42; ; ; int main() ; { ; int_t start = glb_start; ; int_t end = glb_end; ; ; fp_t dbl_start = (fp_t) start; ; fp_t dbl_end = (fp_t) end; ; ; return 0; ; } ; SelectionDAG performs CSE on constant pool loads. Make sure line numbers ; from such nodes are not propagated. Doing so results in oscillating line numbers. ; CHECK: .loc 1 12 ; CHECK: .loc 1 13 ; CHECK-NOT: .loc 1 12 ; ModuleID = 't.cpp' source_filename = "test/DebugInfo/X86/isel-cse-line.ll" target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @glb_start = global i64 17, align 8, !dbg !0 @glb_end = global i64 42, align 8, !dbg !9 define i32 @main() !dbg !16 { %1 = alloca i32, align 4 %2 = alloca i64, align 8 %3 = alloca i64, align 8 %4 = alloca double, align 8 %5 = alloca double, align 8 store i32 0, i32* %1, align 4 call void @llvm.dbg.declare(metadata i64* %2, metadata !20, metadata !21), !dbg !22 %6 = load i64, i64* @glb_start, align 8, !dbg !23 store i64 %6, i64* %2, align 8, !dbg !22 call void @llvm.dbg.declare(metadata i64* %3, metadata !24, metadata !21), !dbg !25 %7 = load i64, i64* @glb_end, align 8, !dbg !26 store i64 %7, i64* %3, align 8, !dbg !25 call void @llvm.dbg.declare(metadata double* %4, metadata !27, metadata !21), !dbg !28 %8 = load i64, i64* %2, align 8, !dbg !29 %9 = uitofp i64 %8 to double, !dbg !29 store double %9, double* %4, align 8, !dbg !28 call void @llvm.dbg.declare(metadata double* %5, metadata !30, metadata !21), !dbg !31 %10 = load i64, i64* %3, align 8, !dbg !32 %11 = uitofp i64 %10 to double, !dbg !32 store double %11, double* %5, align 8, !dbg !31 ret i32 0, !dbg !33 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 attributes #0 = { nounwind readnone } !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!13, !14} !llvm.ident = !{!15} !0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = !DIGlobalVariable(name: "glb_start", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true) !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) !3 = !DIFile(filename: "/home/wpieb/test/D12094.cpp", directory: "/home/wpieb/build/llvm/trunk/llvm-RelWithDebInfo") !4 = !{} !5 = !{!6} !6 = !DIDerivedType(tag: DW_TAG_typedef, name: "fp_t", file: !3, line: 1, baseType: !7) !7 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float) !8 = !{!0, !9} !9 = distinct !DIGlobalVariableExpression(var: !10, expr: !DIExpression()) !10 = !DIGlobalVariable(name: "glb_end", scope: !2, file: !3, line: 5, type: !11, isLocal: false, isDefinition: true) !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "int_t", file: !3, line: 2, baseType: !12) !12 = !DIBasicType(name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned) !13 = !{i32 2, !"Dwarf Version", i32 4} !14 = !{i32 2, !"Debug Info Version", i32 3} !15 = !{!"clang version 3.9.0 (trunk 268246)"} !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) !17 = !DISubroutineType(types: !18) !18 = !{!19} !19 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !20 = !DILocalVariable(name: "start", scope: !16, file: !3, line: 9, type: !11) !21 = !DIExpression() !22 = !DILocation(line: 9, column: 9, scope: !16) !23 = !DILocation(line: 9, column: 17, scope: !16) !24 = !DILocalVariable(name: "end", scope: !16, file: !3, line: 10, type: !11) !25 = !DILocation(line: 10, column: 9, scope: !16) !26 = !DILocation(line: 10, column: 17, scope: !16) !27 = !DILocalVariable(name: "dbl_start", scope: !16, file: !3, line: 12, type: !6) !28 = !DILocation(line: 12, column: 8, scope: !16) !29 = !DILocation(line: 12, column: 27, scope: !16) !30 = !DILocalVariable(name: "dbl_end", scope: !16, file: !3, line: 13, type: !6) !31 = !DILocation(line: 13, column: 8, scope: !16) !32 = !DILocation(line: 13, column: 27, scope: !16) !33 = !DILocation(line: 15, column: 3, scope: !16)