| ; RUN: llc -O2 < %s | FileCheck %s |
| ; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s |
| 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" |
| target triple = "x86_64-apple-darwin10" |
| |
| %struct.a = type { i32, %struct.a* } |
| |
| @llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.a*)* @bar to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] |
| |
| define i8* @bar(%struct.a* %myvar) nounwind optsize noinline ssp !dbg !9 { |
| entry: |
| tail call void @llvm.dbg.value(metadata %struct.a* %myvar, i64 0, metadata !8, metadata !DIExpression()), !dbg !DILocation(scope: !9) |
| %0 = getelementptr inbounds %struct.a, %struct.a* %myvar, i64 0, i32 0, !dbg !28 ; <i32*> [#uses=1] |
| %1 = load i32, i32* %0, align 8, !dbg !28 ; <i32> [#uses=1] |
| tail call void @foo(i32 %1) nounwind optsize noinline ssp, !dbg !28 |
| %2 = bitcast %struct.a* %myvar to i8*, !dbg !30 ; <i8*> [#uses=1] |
| ret i8* %2, !dbg !30 |
| } |
| |
| declare void @foo(i32) nounwind optsize noinline ssp |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!38} |
| |
| !0 = !DIGlobalVariable(name: "ret", line: 7, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !3) |
| !1 = !DIFile(filename: "foo.c", directory: "/tmp/") |
| !2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: 1, file: !36, enums: !37, retainedTypes: !37, subprograms: !32, globals: !31, imports: !37) |
| !3 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !4 = !DILocalVariable(name: "x", line: 12, arg: 1, scope: !5, file: !1, type: !3) |
| !5 = distinct !DISubprogram(name: "foo", linkageName: "foo", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 13, file: !36, scope: !1, type: !6, variables: !33) |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{null, !3} |
| !8 = !DILocalVariable(name: "myvar", line: 17, arg: 1, scope: !9, file: !1, type: !13) |
| !9 = distinct !DISubprogram(name: "bar", linkageName: "bar", line: 17, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 17, file: !36, scope: !1, type: !10, variables: !34) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{!12, !13} |
| !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !36, scope: !1, baseType: null) |
| !13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !36, scope: !1, baseType: !14) |
| !14 = !DICompositeType(tag: DW_TAG_structure_type, name: "a", line: 2, size: 128, align: 64, file: !36, scope: !1, elements: !15) |
| !15 = !{!16, !17} |
| !16 = !DIDerivedType(tag: DW_TAG_member, name: "c", line: 3, size: 32, align: 32, file: !36, scope: !14, baseType: !3) |
| !17 = !DIDerivedType(tag: DW_TAG_member, name: "d", line: 4, size: 64, align: 64, offset: 64, file: !36, scope: !14, baseType: !13) |
| !18 = !DILocalVariable(name: "argc", line: 22, arg: 1, scope: !19, file: !1, type: !3) |
| !19 = distinct !DISubprogram(name: "main", linkageName: "main", line: 22, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 22, file: !36, scope: !1, type: !20, variables: !35) |
| !20 = !DISubroutineType(types: !21) |
| !21 = !{!3, !3, !22} |
| !22 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !36, scope: !1, baseType: !23) |
| !23 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !36, scope: !1, baseType: !24) |
| !24 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) |
| !25 = !DILocalVariable(name: "argv", line: 22, arg: 2, scope: !19, file: !1, type: !22) |
| !26 = !DILocalVariable(name: "e", line: 23, scope: !27, file: !1, type: !14) |
| !27 = distinct !DILexicalBlock(line: 22, column: 0, file: !36, scope: !19) |
| !28 = !DILocation(line: 18, scope: !29) |
| !29 = distinct !DILexicalBlock(line: 17, column: 0, file: !36, scope: !9) |
| !30 = !DILocation(line: 19, scope: !29) |
| !31 = !{!0} |
| !32 = !{!5, !9, !19} |
| !33 = !{!4} |
| !34 = !{!8} |
| !35 = !{!18, !25, !26} |
| !36 = !DIFile(filename: "foo.c", directory: "/tmp/") |
| !37 = !{} |
| |
| ; The variable bar:myvar changes registers after the first movq. |
| ; It is cobbered by popq %rbx |
| ; CHECK: movq |
| ; CHECK-NEXT: [[LABEL:Ltmp[0-9]*]] |
| ; CHECK: .loc 1 19 0 |
| ; CHECK: popq |
| ; CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]] |
| |
| |
| ; CHECK: Ldebug_loc0: |
| ; CHECK-NEXT: [[SET1:.*]] = Lfunc_begin0-Lfunc_begin0 |
| ; CHECK-NEXT: .quad [[SET1]] |
| ; CHECK-NEXT: [[SET2:.*]] = [[LABEL]]-Lfunc_begin0 |
| ; CHECK-NEXT: .quad [[SET2]] |
| ; CHECK-NEXT: .short 1 ## Loc expr size |
| ; CHECK-NEXT: .byte 85 |
| ; CHECK-NEXT: [[SET3:.*]] = [[LABEL]]-Lfunc_begin0 |
| ; CHECK-NEXT: .quad [[SET3]] |
| ; CHECK-NEXT: [[SET4:.*]] = [[CLOBBER]]-Lfunc_begin0 |
| ; CHECK-NEXT: .quad [[SET4]] |
| ; CHECK-NEXT: .short 1 ## Loc expr size |
| ; CHECK-NEXT: .byte 83 |
| !38 = !{i32 1, !"Debug Info Version", i32 3} |