forked from OSchip/llvm-project
95 lines
4.8 KiB
LLVM
95 lines
4.8 KiB
LLVM
; RUN: llc -O2 < %s | FileCheck %s
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; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-darwin10"
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%struct.a = type { i32, %struct.a* }
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.a*)* @bar to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define i8* @bar(%struct.a* %myvar) nounwind optsize noinline ssp {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.a* %myvar, i64 0, metadata !8, metadata !{!"0x102"})
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%0 = getelementptr inbounds %struct.a* %myvar, i64 0, i32 0, !dbg !28 ; <i32*> [#uses=1]
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%1 = load i32* %0, align 8, !dbg !28 ; <i32> [#uses=1]
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tail call void @foo(i32 %1) nounwind optsize noinline ssp, !dbg !28
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%2 = bitcast %struct.a* %myvar to i8*, !dbg !30 ; <i8*> [#uses=1]
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ret i8* %2, !dbg !30
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}
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declare void @foo(i32) nounwind optsize noinline ssp
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!38}
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!0 = !{!"0x34\00ret\00ret\00\007\000\001", !1, !1, !3, null, null} ; [ DW_TAG_variable ]
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!1 = !{!"0x29", !36} ; [ DW_TAG_file_type ]
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!2 = !{!"0x11\001\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\001\00\000\00\001", !36, !37, !37, !32, !31, !37} ; [ DW_TAG_compile_unit ]
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!3 = !{!"0x24\00int\000\0032\0032\000\000\005", !36, !1} ; [ DW_TAG_base_type ]
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!4 = !{!"0x101\00x\0012\000", !5, !1, !3} ; [ DW_TAG_arg_variable ]
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!5 = !{!"0x2e\00foo\00foo\00foo\0013\000\001\000\006\000\001\0013", !36, !1, !6, null, void (i32)* @foo, null, null, !33} ; [ DW_TAG_subprogram ]
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!6 = !{!"0x15\00\000\000\000\000\000\000", !36, !1, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{null, !3}
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!8 = !{!"0x101\00myvar\0017\000", !9, !1, !13} ; [ DW_TAG_arg_variable ]
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!9 = !{!"0x2e\00bar\00bar\00bar\0017\000\001\000\006\000\001\0017", !36, !1, !10, null, i8* (%struct.a*)* @bar, null, null, !34} ; [ DW_TAG_subprogram ]
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!10 = !{!"0x15\00\000\000\000\000\000\000", !36, !1, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!11 = !{!12, !13}
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!12 = !{!"0xf\00\000\0064\0064\000\000", !36, !1, null} ; [ DW_TAG_pointer_type ]
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!13 = !{!"0xf\00\000\0064\0064\000\000", !36, !1, !14} ; [ DW_TAG_pointer_type ]
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!14 = !{!"0x13\00a\002\00128\0064\000\000\000", !36, !1, null, !15, null, null, null} ; [ DW_TAG_structure_type ] [a] [line 2, size 128, align 64, offset 0] [def] [from ]
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!15 = !{!16, !17}
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!16 = !{!"0xd\00c\003\0032\0032\000\000", !36, !14, !3} ; [ DW_TAG_member ]
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!17 = !{!"0xd\00d\004\0064\0064\0064\000", !36, !14, !13} ; [ DW_TAG_member ]
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!18 = !{!"0x101\00argc\0022\000", !19, !1, !3} ; [ DW_TAG_arg_variable ]
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!19 = !{!"0x2e\00main\00main\00main\0022\000\001\000\006\000\001\0022", !36, !1, !20, null, null, null, null, !35} ; [ DW_TAG_subprogram ]
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!20 = !{!"0x15\00\000\000\000\000\000\000", !36, !1, null, !21, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!21 = !{!3, !3, !22}
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!22 = !{!"0xf\00\000\0064\0064\000\000", !36, !1, !23} ; [ DW_TAG_pointer_type ]
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!23 = !{!"0xf\00\000\0064\0064\000\000", !36, !1, !24} ; [ DW_TAG_pointer_type ]
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!24 = !{!"0x24\00char\000\008\008\000\000\006", !36, !1} ; [ DW_TAG_base_type ]
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!25 = !{!"0x101\00argv\0022\000", !19, !1, !22} ; [ DW_TAG_arg_variable ]
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!26 = !{!"0x100\00e\0023\000", !27, !1, !14} ; [ DW_TAG_auto_variable ]
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!27 = !{!"0xb\0022\000\000", !36, !19} ; [ DW_TAG_lexical_block ]
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!28 = !MDLocation(line: 18, scope: !29)
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!29 = !{!"0xb\0017\000\001", !36, !9} ; [ DW_TAG_lexical_block ]
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!30 = !MDLocation(line: 19, scope: !29)
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!31 = !{!0}
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!32 = !{!5, !9, !19}
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!33 = !{!4}
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!34 = !{!8}
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!35 = !{!18, !25, !26}
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!36 = !{!"foo.c", !"/tmp/"}
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!37 = !{}
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; The variable bar:myvar changes registers after the first movq.
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; It is cobbered by popq %rbx
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; CHECK: movq
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; CHECK-NEXT: [[LABEL:Ltmp[0-9]*]]
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; CHECK: .loc 1 19 0
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; CHECK: popq
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; CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]]
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; CHECK: Ldebug_loc0:
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; CHECK-NEXT: [[SET1:.*]] = Lfunc_begin0-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET1]]
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; CHECK-NEXT: [[SET2:.*]] = [[LABEL]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET2]]
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; CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}} ## Loc expr size
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; CHECK-NEXT: .short Lset{{.*}}
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; CHECK-NEXT: Ltmp{{.*}}:
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; CHECK-NEXT: .byte 85
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; CHECK-NEXT: Ltmp{{.*}}:
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; CHECK-NEXT: [[SET3:.*]] = [[LABEL]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET3]]
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; CHECK-NEXT: [[SET4:.*]] = [[CLOBBER]]-Lfunc_begin0
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; CHECK-NEXT: .quad [[SET4]]
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; CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}} ## Loc expr size
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; CHECK-NEXT: .short Lset{{.*}}
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; CHECK-NEXT: Ltmp{{.*}}:
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; CHECK-NEXT: .byte 83
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; CHECK-NEXT: Ltmp{{.*}}:
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!38 = !{i32 1, !"Debug Info Version", i32 2}
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