| ; 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, retainedNodes: !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) |
| |