88 lines
4.9 KiB
LLVM
88 lines
4.9 KiB
LLVM
; 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: FullDebug, file: !36, enums: !37, retainedTypes: !37, 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, unit: !2, 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, unit: !2, 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, unit: !2, 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}
|
|
!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}
|