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Revert "Use the range machinery for DW_AT_ranges and DW_AT_high/lo_pc."

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This appears to trigger failures with optimization and function arguments somehow.

This reverts commit r204277.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-03-20 00:12:06 +00:00
parent eb7dcd71d6
commit 5a8743ef85
10 changed files with 143 additions and 244 deletions
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74
test/DebugInfo/cu-range-hole.ll
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@@ -4,28 +4,26 @@
; Check that we emit ranges for this CU since we have a function with and
; without debug info.
; Note: This depends upon the order of output in the .o file. Currently it's
; in order of the output to make sure that the CU has multiple ranges since
; there's a function in the middle. If they were together then it would have
; a single range and no DW_AT_ranges.
; CHECK: DW_TAG_compile_unit
; CHECK: DW_AT_ranges
; CHECK: DW_TAG_subprogram
; CHECK: DW_TAG_subprogram
; Function Attrs: nounwind uwtable
define i32 @b(i32 %c) #0 {
define i32 @foo(i32 %a) #0 {
entry:
%c.addr = alloca i32, align 4
store i32 %c, i32* %c.addr, align 4
call void @llvm.dbg.declare(metadata !{i32* %c.addr}, metadata !13), !dbg !14
%0 = load i32* %c.addr, align 4, !dbg !14
%add = add nsw i32 %0, 1, !dbg !14
%a.addr = alloca i32, align 4
store i32 %a, i32* %a.addr, align 4
call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !12), !dbg !13
%0 = load i32* %a.addr, align 4, !dbg !14
%add = add nsw i32 %0, 5, !dbg !14
ret i32 %add, !dbg !14
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) #1
; Function Attrs: nounwind uwtable
define i32 @a(i32 %b) #0 {
define i32 @bar(i32 %b) #0 {
entry:
%b.addr = alloca i32, align 4
store i32 %b, i32* %b.addr, align 4
@@ -34,41 +32,25 @@ entry:
ret i32 %add
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) #1
; Function Attrs: nounwind uwtable
define i32 @d(i32 %e) #0 {
entry:
%e.addr = alloca i32, align 4
store i32 %e, i32* %e.addr, align 4
call void @llvm.dbg.declare(metadata !{i32* %e.addr}, metadata !15), !dbg !16
%0 = load i32* %e.addr, align 4, !dbg !16
%add = add nsw i32 %0, 1, !dbg !16
ret i32 %add, !dbg !16
}
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.ident = !{!0, !0}
!llvm.dbg.cu = !{!1}
!llvm.module.flags = !{!11, !12}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!9, !10}
!llvm.ident = !{!11, !11}
!0 = metadata !{metadata !"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}
!1 = metadata !{i32 786449, metadata !2, i32 12, metadata !"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", i1 false, metadata !"", i32 0, metadata !3, metadata !3, metadata !4, metadata !3, metadata !3, metadata !"", i32 1}
!2 = metadata !{metadata !"b.c", metadata !"/usr/local/google/home/echristo"}
!3 = metadata !{}
!4 = metadata !{metadata !5, metadata !10}
!5 = metadata !{i32 786478, metadata !2, metadata !6, metadata !"b", metadata !"b", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @b, null, null, metadata !3, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [b]
!6 = metadata !{i32 786473, metadata !2} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/b.c]
!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{metadata !9, metadata !9}
!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = metadata !{i32 786478, metadata !2, metadata !6, metadata !"d", metadata !"d", metadata !"", i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @d, null, null, metadata !3, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [d]
!11 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!12 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
!13 = metadata !{i32 786689, metadata !5, metadata !"c", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [c] [line 1]
!14 = metadata !{i32 1, i32 0, metadata !5, null}
!15 = metadata !{i32 786689, metadata !10, metadata !"e", metadata !6, i32 16777219, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [e] [line 3]
!16 = metadata !{i32 3, i32 0, metadata !10, null}
!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5.0 (trunk 203945) (llvm/trunk 203946)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1}
!1 = metadata !{metadata !"foo.c", metadata !"/usr/local/google/home/echristo"}
!2 = metadata !{}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @foo, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/foo.c]
!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!7 = metadata !{metadata !8, metadata !8}
!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!9 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!10 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
!11 = metadata !{metadata !"clang version 3.5.0 (trunk 203945) (llvm/trunk 203946)"}
!12 = metadata !{i32 786689, metadata !4, metadata !"a", metadata !5, i32 16777217, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 1]
!13 = metadata !{i32 1, i32 0, metadata !4, null}
!14 = metadata !{i32 2, i32 0, metadata !4, null}