1; RUN: opt -S -gvn-hoist < %s | FileCheck %s 2 3; Hoisted inlinable calls need to have accurate scope information, but we're 4; allowed to erase the line information. 5 6source_filename = "t.c" 7target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 8target triple = "x86_64-pc-windows-msvc19.0.24215" 9 10; Function Attrs: noinline nounwind readnone uwtable 11define float @fabsf(float %f) #0 !dbg !7 { 12entry: 13 %conv = fpext float %f to double, !dbg !9 14 %call = call double @fabs(double %conv) #1, !dbg !10 15 %conv1 = fptrunc double %call to float, !dbg !11 16 ret float %conv1, !dbg !12 17} 18 19; Function Attrs: nounwind readnone 20declare double @fabs(double) #1 21 22; Function Attrs: noinline nounwind uwtable 23define void @hoistit(i32 %cond, float %f) #2 !dbg !13 { 24entry: 25 %tobool = icmp ne i32 %cond, 0, !dbg !14 26 br i1 %tobool, label %if.then, label %if.else, !dbg !14 27 28if.then: ; preds = %entry 29 %call = call float @fabsf(float %f) #1, !dbg !15 30 call void @useit1(float %call), !dbg !16 31 br label %if.end, !dbg !18 32 33if.else: ; preds = %entry 34 %call1 = call float @fabsf(float %f) #1, !dbg !19 35 call void @useit2(float %call1), !dbg !20 36 br label %if.end 37 38if.end: ; preds = %if.else, %if.then 39 ret void, !dbg !21 40} 41 42; CHECK-LABEL: define void @hoistit 43; CHECK-SAME: !dbg ![[sp_hoistit:[0-9]+]] 44; CHECK: call float @fabsf(float %f) {{.*}} !dbg ![[dbgloc:[0-9]+]] 45; CHECK: br i1 %tobool, label %if.then, label %if.else 46 47; CHECK: ![[sp_hoistit]] = distinct !DISubprogram(name: "hoistit", {{.*}}) 48; CHECK: ![[dbgloc]] = !DILocation({{.*}}, scope: ![[sp_hoistit]]) 49 50declare void @useit1(float) 51 52declare void @useit2(float) 53 54attributes #0 = { noinline nounwind readnone uwtable } 55attributes #1 = { nounwind readnone } 56attributes #2 = { noinline nounwind uwtable } 57 58!llvm.dbg.cu = !{!0} 59!llvm.module.flags = !{!3, !4, !5} 60!llvm.ident = !{!6} 61 62!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2) 63!1 = !DIFile(filename: "t.c", directory: "C:\5Csrc\5Cllvm\5Cbuild") 64!2 = !{} 65!3 = !{i32 2, !"Dwarf Version", i32 4} 66!4 = !{i32 2, !"Debug Info Version", i32 3} 67!5 = !{i32 1, !"PIC Level", i32 2} 68!6 = !{!"clang version 5.0.0 "} 69!7 = distinct !DISubprogram(name: "fabsf", scope: !1, file: !1, line: 4, type: !8, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 70!8 = !DISubroutineType(types: !2) 71!9 = !DILocation(line: 5, column: 22, scope: !7) 72!10 = !DILocation(line: 5, column: 17, scope: !7) 73!11 = !DILocation(line: 5, column: 10, scope: !7) 74!12 = !DILocation(line: 5, column: 3, scope: !7) 75!13 = distinct !DISubprogram(name: "hoistit", scope: !1, file: !1, line: 7, type: !8, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 76!14 = !DILocation(line: 8, column: 7, scope: !13) 77!15 = !DILocation(line: 9, column: 12, scope: !13) 78!16 = !DILocation(line: 9, column: 5, scope: !17) 79!17 = !DILexicalBlockFile(scope: !13, file: !1, discriminator: 1) 80!18 = !DILocation(line: 10, column: 3, scope: !13) 81!19 = !DILocation(line: 11, column: 12, scope: !13) 82!20 = !DILocation(line: 11, column: 5, scope: !17) 83!21 = !DILocation(line: 13, column: 1, scope: !13) 84