1; RUN: llc -enable-machine-outliner -mtriple=x86_64-apple-darwin < %s | FileCheck %s 2 3@x = global i32 0, align 4, !dbg !0 4 5define i32 @main() #0 !dbg !11 { 6 ; CHECK-LABEL: _main: 7 %1 = alloca i32, align 4 8 %2 = alloca i32, align 4 9 %3 = alloca i32, align 4 10 %4 = alloca i32, align 4 11 %5 = alloca i32, align 4 12 ; There is a debug value in the middle of this section, make sure debug values are ignored. 13 ; CHECK: callq 14 ; CHECK-SAME: OUTLINED_FUNCTION_0 15 store i32 1, ptr %2, align 4 16 store i32 2, ptr %3, align 4 17 store i32 3, ptr %4, align 4 18 call void @llvm.dbg.value(metadata i32 10, i64 0, metadata !15, metadata !16), !dbg !17 19 store i32 4, ptr %5, align 4 20 store i32 0, ptr @x, align 4, !dbg !24 21 call void asm sideeffect "", "~{memory},~{dirflag},~{fpsr},~{flags}"() 22 ; This is the same sequence of instructions without a debug value. It should be outlined 23 ; in the same way. 24 ; CHECK: callq 25 ; CHECK-SAME: OUTLINED_FUNCTION_0 26 store i32 1, ptr %2, align 4 27 store i32 2, ptr %3, align 4 28 store i32 3, ptr %4, align 4 29 store i32 4, ptr %5, align 4 30 store i32 1, ptr @x, align 4, !dbg !14 31 ret i32 0, !dbg !25 32} 33 34; CHECK: OUTLINED_FUNCTION_0: 35; CHECK-NOT: .loc {{[0-9]+}} {{[0-9]+}} {{[0-9]+}} {{^(is_stmt)}} 36; CHECK-NOT: ##DEBUG_VALUE: main:{{[a-z]}} <- {{[0-9]+}} 37; CHECK: movl $1, -{{[0-9]+}}(%rbp) 38; CHECK-NEXT: movl $2, -{{[0-9]+}}(%rbp) 39; CHECK-NEXT: movl $3, -{{[0-9]+}}(%rbp) 40; CHECK-NEXT: movl $4, -{{[0-9]+}}(%rbp) 41; CHECK-NEXT: retq 42 43declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 44 45declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 46 47attributes #0 = { noredzone nounwind ssp uwtable "frame-pointer"="all" } 48 49!llvm.dbg.cu = !{!2} 50!llvm.module.flags = !{!7, !8, !9} 51!llvm.ident = !{!10} 52 53!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 54!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true) 55!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 56!3 = !DIFile(filename: "debug-test.c", directory: "dir") 57!4 = !{} 58!5 = !{!0} 59!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 60!7 = !{i32 2, !"Dwarf Version", i32 4} 61!8 = !{i32 2, !"Debug Info Version", i32 3} 62!9 = !{i32 1, !"PIC Level", i32 2} 63!10 = !{!"clang version 5.0.0"} 64!11 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !12, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4) 65!12 = !DISubroutineType(types: !13) 66!13 = !{!6} 67!14 = !DILocation(line: 7, column: 4, scope: !11) 68!15 = !DILocalVariable(name: "a", scope: !11, file: !3, line: 5, type: !6) 69!16 = !DIExpression() 70!17 = !DILocation(line: 5, column: 6, scope: !11) 71!18 = !DILocalVariable(name: "b", scope: !11, file: !3, line: 5, type: !6) 72!19 = !DILocation(line: 5, column: 9, scope: !11) 73!20 = !DILocalVariable(name: "c", scope: !11, file: !3, line: 5, type: !6) 74!21 = !DILocation(line: 5, column: 12, scope: !11) 75!22 = !DILocalVariable(name: "d", scope: !11, file: !3, line: 5, type: !6) 76!23 = !DILocation(line: 5, column: 15, scope: !11) 77!24 = !DILocation(line: 14, column: 4, scope: !11) 78!25 = !DILocation(line: 21, column: 2, scope: !11) 79