1 ; RUN: llc -O2 < %s | FileCheck %s 2 ; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s 3 source_filename = "test/CodeGen/X86/2010-05-26-DotDebugLoc.ll" 4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 5 target triple = "x86_64-apple-darwin10" 6 7 %struct.a = type { i32, %struct.a* } 8 9 @llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.a*)* @bar to i8*)], section "llvm.metadata" 10 11 ; Function Attrs: noinline nounwind optsize ssp 12 define i8* @bar(%struct.a* %myvar) #0 !dbg !8 { 13 entry: 14 tail call void @llvm.dbg.value(metadata %struct.a* %myvar, i64 0, metadata !18, metadata !19), !dbg !20 15 %0 = getelementptr inbounds %struct.a, %struct.a* %myvar, i64 0, i32 0, !dbg !21 16 %1 = load i32, i32* %0, align 8, !dbg !21 17 tail call void @foo(i32 %1) #0, !dbg !21 18 %2 = bitcast %struct.a* %myvar to i8*, !dbg !23 19 ret i8* %2, !dbg !23 20 } 21 22 ; Function Attrs: noinline nounwind optsize ssp 23 declare void @foo(i32) #0 24 25 ; Function Attrs: nounwind readnone 26 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 27 28 attributes #0 = { noinline nounwind optsize ssp } 29 attributes #1 = { nounwind readnone } 30 31 !llvm.dbg.cu = !{!0} 32 !llvm.module.flags = !{!7} 33 34 !0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3, imports: !2) 35 !1 = !DIFile(filename: "foo.c", directory: "/tmp/") 36 !2 = !{} 37 !3 = !{!4} 38 !4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression()) 39 !5 = !DIGlobalVariable(name: "ret", scope: !1, file: !1, line: 7, type: !6, isLocal: false, isDefinition: true) 40 !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 41 !7 = !{i32 1, !"Debug Info Version", i32 3} 42 !8 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !1, file: !1, line: 17, type: !9, isLocal: false, isDefinition: true, scopeLine: 17, virtualIndex: 6, isOptimized: true, unit: !0, retainedNodes: !17) 43 !9 = !DISubroutineType(types: !10) 44 !10 = !{!11, !12} 45 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !1, file: !1, baseType: null, size: 64, align: 64) 46 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !1, file: !1, baseType: !13, size: 64, align: 64) 47 !13 = !DICompositeType(tag: DW_TAG_structure_type, name: "a", scope: !1, file: !1, line: 2, size: 128, align: 64, elements: !14) 48 !14 = !{!15, !16} 49 !15 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !13, file: !1, line: 3, baseType: !6, size: 32, align: 32) 50 !16 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !13, file: !1, line: 4, baseType: !12, size: 64, align: 64, offset: 64) 51 !17 = !{!18} 52 !18 = !DILocalVariable(name: "myvar", arg: 1, scope: !8, file: !1, line: 17, type: !12) 53 !19 = !DIExpression() 54 !20 = !DILocation(line: 0, scope: !8) 55 !21 = !DILocation(line: 18, scope: !22) 56 !22 = distinct !DILexicalBlock(scope: !8, file: !1, line: 17) 57 !23 = !DILocation(line: 19, scope: !22) 58 59 ; The variable bar:myvar changes registers after the first movq. 60 ; It is cobbered by popq %rbx 61 ; CHECK: movq 62 ; CHECK-NEXT: [[LABEL:Ltmp[0-9]*]] 63 ; CHECK: .loc 1 19 0 64 ; CHECK: popq 65 ; CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]] 66 67 ; CHECK: Ldebug_loc0: 68 ; CHECK-NEXT: .set [[SET1:.*]], Lfunc_begin0-Lfunc_begin0 69 ; CHECK-NEXT: .quad [[SET1]] 70 ; CHECK-NEXT: .set [[SET2:.*]], [[LABEL]]-Lfunc_begin0 71 ; CHECK-NEXT: .quad [[SET2]] 72 ; CHECK-NEXT: .short 1 ## Loc expr size 73 ; CHECK-NEXT: .byte 85 74 ; CHECK-NEXT: .set [[SET3:.*]], [[LABEL]]-Lfunc_begin0 75 ; CHECK-NEXT: .quad [[SET3]] 76 ; CHECK-NEXT: .set [[SET4:.*]], [[CLOBBER]]-Lfunc_begin0 77 ; CHECK-NEXT: .quad [[SET4]] 78 ; CHECK-NEXT: .short 1 ## Loc expr size 79 ; CHECK-NEXT: .byte 83 80
