Add a test for the previous commit. Also, remove two tests that were

testing a) the wrong behavior or b) something that I'm already testing
in the new test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153525 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2012-03-27 18:35:57 +00:00
parent 7f316597cf
commit 130ba34428
3 changed files with 31 additions and 117 deletions

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@ -1,108 +0,0 @@
; RUN: llc -O2 -mtriple=i386-apple-darwin <%s | FileCheck %s
; Use DW_FORM_addr for DW_AT_entry_pc.
; Radar 8094785
; CHECK: .byte 17 ## DW_TAG_compile_unit
; CHECK-NEXT: .byte 1 ## DW_CHILDREN_yes
; CHECK-NEXT: .byte 37 ## DW_AT_producer
; CHECK-NEXT: .byte 14 ## DW_FORM_strp
; CHECK-NEXT: .byte 19 ## DW_AT_language
; CHECK-NEXT: .byte 5 ## DW_FORM_data2
; CHECK-NEXT: .byte 3 ## DW_AT_name
; CHECK-NEXT: .byte 14 ## DW_FORM_strp
; CHECK-NEXT: .byte 82 ## DW_AT_entry_pc
; CHECK-NEXT: .byte 1 ## DW_FORM_addr
; CHECK-NEXT: .byte 16 ## DW_AT_stmt_list
; CHECK-NEXT: .byte 6 ## DW_FORM_data4
; CHECK-NEXT: .byte 27 ## DW_AT_comp_dir
; CHECK-NEXT: .byte 14 ## DW_FORM_strp
; CHECK-NEXT: .ascii "\341\177" ## DW_AT_APPLE_optimized
%struct.a = type { i32, %struct.a* }
@ret = common global i32 0 ; <i32*> [#uses=2]
define void @foo(i32 %x) nounwind noinline ssp {
entry:
tail call void @llvm.dbg.value(metadata !{i32 %x}, i64 0, metadata !21), !dbg !28
store i32 %x, i32* @ret, align 4, !dbg !29
ret void, !dbg !31
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
define i8* @bar(%struct.a* %b) nounwind noinline ssp {
entry:
tail call void @llvm.dbg.value(metadata !{%struct.a* %b}, i64 0, metadata !22), !dbg !32
%0 = getelementptr inbounds %struct.a* %b, i64 0, i32 0, !dbg !33 ; <i32*> [#uses=1]
%1 = load i32* %0, align 8, !dbg !33 ; <i32> [#uses=1]
tail call void @foo(i32 %1) nounwind noinline ssp, !dbg !33
%2 = bitcast %struct.a* %b to i8*, !dbg !35 ; <i8*> [#uses=1]
ret i8* %2, !dbg !35
}
define i32 @main(i32 %argc, i8** nocapture %argv) nounwind ssp {
entry:
%e = alloca %struct.a, align 8 ; <%struct.a*> [#uses=4]
call void @llvm.dbg.value(metadata !{i32 %argc}, i64 0, metadata !23), !dbg !36
call void @llvm.dbg.value(metadata !{i8** %argv}, i64 0, metadata !24), !dbg !36
call void @llvm.dbg.declare(metadata !{%struct.a* %e}, metadata !25), !dbg !37
%0 = getelementptr inbounds %struct.a* %e, i64 0, i32 0, !dbg !38 ; <i32*> [#uses=1]
store i32 4, i32* %0, align 8, !dbg !38
%1 = getelementptr inbounds %struct.a* %e, i64 0, i32 1, !dbg !39 ; <%struct.a**> [#uses=1]
store %struct.a* %e, %struct.a** %1, align 8, !dbg !39
%2 = call i8* @bar(%struct.a* %e) nounwind noinline ssp, !dbg !40 ; <i8*> [#uses=0]
%3 = load i32* @ret, align 4, !dbg !41 ; <i32> [#uses=1]
ret i32 %3, !dbg !41
}
!llvm.dbg.sp = !{!0, !6, !15}
!llvm.dbg.lv.foo = !{!21}
!llvm.dbg.lv.bar = !{!22}
!llvm.dbg.lv.main = !{!23, !24, !25}
!llvm.dbg.gv = !{!27}
!0 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 34, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, void (i32)* @foo} ; [ DW_TAG_subprogram ]
!1 = metadata !{i32 524329, metadata !"2010-06-28-DbgEntryPC.c", metadata !"/Users/yash/clean/llvm/test/FrontendC", metadata !2} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 524305, i32 0, i32 1, metadata !"2010-06-28-DbgEntryPC.c", metadata !"/Users/yash/clean/llvm/test/FrontendC", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
!4 = metadata !{null, metadata !5}
!5 = metadata !{i32 524324, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!6 = metadata !{i32 524334, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"bar", metadata !1, i32 38, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i8* (%struct.a*)* @bar} ; [ DW_TAG_subprogram ]
!7 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null} ; [ DW_TAG_subroutine_type ]
!8 = metadata !{metadata !9, metadata !10}
!9 = metadata !{i32 524303, metadata !1, metadata !"", metadata !1, i32 0, i64 64, i64 64, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
!10 = metadata !{i32 524303, metadata !1, metadata !"", metadata !1, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
!11 = metadata !{i32 524307, metadata !1, metadata !"a", metadata !1, i32 23, i64 128, i64 64, i64 0, i32 0, null, metadata !12, i32 0, null} ; [ DW_TAG_structure_type ]
!12 = metadata !{metadata !13, metadata !14}
!13 = metadata !{i32 524301, metadata !11, metadata !"c", metadata !1, i32 24, i64 32, i64 32, i64 0, i32 0, metadata !5} ; [ DW_TAG_member ]
!14 = metadata !{i32 524301, metadata !11, metadata !"d", metadata !1, i32 25, i64 64, i64 64, i64 64, i32 0, metadata !10} ; [ DW_TAG_member ]
!15 = metadata !{i32 524334, i32 0, metadata !1, metadata !"main", metadata !"main", metadata !"main", metadata !1, i32 43, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 (i32, i8**)* @main} ; [ DW_TAG_subprogram ]
!16 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, null} ; [ DW_TAG_subroutine_type ]
!17 = metadata !{metadata !5, metadata !5, metadata !18}
!18 = metadata !{i32 524303, metadata !1, metadata !"", metadata !1, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !19} ; [ DW_TAG_pointer_type ]
!19 = metadata !{i32 524303, metadata !1, metadata !"", metadata !1, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !20} ; [ DW_TAG_pointer_type ]
!20 = metadata !{i32 524324, metadata !1, metadata !"char", metadata !1, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
!21 = metadata !{i32 524545, metadata !0, metadata !"x", metadata !1, i32 33, metadata !5} ; [ DW_TAG_arg_variable ]
!22 = metadata !{i32 524545, metadata !6, metadata !"b", metadata !1, i32 38, metadata !10} ; [ DW_TAG_arg_variable ]
!23 = metadata !{i32 524545, metadata !15, metadata !"argc", metadata !1, i32 43, metadata !5} ; [ DW_TAG_arg_variable ]
!24 = metadata !{i32 524545, metadata !15, metadata !"argv", metadata !1, i32 43, metadata !18} ; [ DW_TAG_arg_variable ]
!25 = metadata !{i32 524544, metadata !26, metadata !"e", metadata !1, i32 44, metadata !11} ; [ DW_TAG_auto_variable ]
!26 = metadata !{i32 524299, metadata !15, i32 43, i32 0} ; [ DW_TAG_lexical_block ]
!27 = metadata !{i32 524340, i32 0, metadata !1, metadata !"ret", metadata !"ret", metadata !"", metadata !1, i32 28, metadata !5, i1 false, i1 true, i32* @ret} ; [ DW_TAG_variable ]
!28 = metadata !{i32 33, i32 0, metadata !0, null}
!29 = metadata !{i32 35, i32 0, metadata !30, null}
!30 = metadata !{i32 524299, metadata !0, i32 34, i32 0} ; [ DW_TAG_lexical_block ]
!31 = metadata !{i32 36, i32 0, metadata !30, null}
!32 = metadata !{i32 38, i32 0, metadata !6, null}
!33 = metadata !{i32 39, i32 0, metadata !34, null}
!34 = metadata !{i32 524299, metadata !6, i32 38, i32 0} ; [ DW_TAG_lexical_block ]
!35 = metadata !{i32 40, i32 0, metadata !34, null}
!36 = metadata !{i32 43, i32 0, metadata !15, null}
!37 = metadata !{i32 44, i32 0, metadata !26, null}
!38 = metadata !{i32 45, i32 0, metadata !26, null}
!39 = metadata !{i32 46, i32 0, metadata !26, null}
!40 = metadata !{i32 48, i32 0, metadata !26, null}
!41 = metadata !{i32 49, i32 0, metadata !26, null}

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@ -1,9 +0,0 @@
; RUN: llc < %s | grep entry_pc | count 2
@i = global i32 1 ; <i32*> [#uses=0]
!llvm.dbg.gv = !{!0}
!0 = metadata !{i32 524340, i32 0, metadata !1, metadata !"i", metadata !"i", metadata !"", metadata !1, i32 1, metadata !3, i1 false, i1 true, i32* @i} ; [ DW_TAG_variable ]
!1 = metadata !{i32 524329, metadata !"b.c", metadata !"/tmp", metadata !2} ; [ DW_TAG_file_type ]
!2 = metadata !{i32 524305, i32 0, i32 1, metadata !"b.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 524324, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]

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@ -0,0 +1,31 @@
; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
; RUN: llvm-dwarfdump %t | FileCheck %s
; Check that we use DW_AT_low_pc
; CHECK: DW_TAG_compile_unit [1]
; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
; CHECK: DW_TAG_subprogram [2]
define i32 @_Z1qv() nounwind uwtable readnone ssp {
entry:
ret i32 undef, !dbg !13
}
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, i32 0, i32 4, metadata !"foo.cpp", metadata !"/Users/echristo/tmp", metadata !"clang version 3.1 (trunk 153454) (llvm/trunk 153471)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5, metadata !12}
!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"q", metadata !"q", metadata !"_Z1qv", metadata !6, i32 5, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z1qv, null, null, metadata !10} ; [ DW_TAG_subprogram ]
!6 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/Users/echristo/tmp", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
!8 = metadata !{metadata !9}
!9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!10 = metadata !{metadata !11}
!11 = metadata !{i32 786468} ; [ DW_TAG_base_type ]
!12 = metadata !{i32 786478, i32 0, metadata !6, metadata !"t", metadata !"t", metadata !"", metadata !6, i32 2, metadata !7, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, metadata !10} ; [ DW_TAG_subprogram ]
!13 = metadata !{i32 7, i32 1, metadata !14, null}
!14 = metadata !{i32 786443, metadata !5, i32 5, i32 1, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]