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37a242b70f
This was coming in weird debug info that had variables (and hence debug_locs) but was in GMLT mode (because it was missing the 13th field of the compile_unit metadata) so no ranges were constructed. We should always have at least one range for any CU with a debug_loc in it - because the range should cover the debug_loc. The assertion just ensures that the "!= 1" range case inside the subsequent loop doesn't get entered for the case where there are no ranges at all, which should never reach here in the first place. llvm-svn: 214939
52 lines
2.5 KiB
LLVM
52 lines
2.5 KiB
LLVM
; RUN: llc < %s - | FileCheck %s
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;
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; FIXME: A potentially more interesting test case would be:
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; %call = @bar()
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; dbg.value j=0
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; %call2 = @bar()
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; dbg.value j=%call
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;
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; We cannot current handle the above sequence because codegenprepare
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; hoists the second dbg.value above %call2, which then appears to
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; conflict with j=0. It does this because SelectionDAG cannot handle
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; global debug values.
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target triple = "x86_64-apple-darwin10.0.0"
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;CHECK: ## DW_OP_consts
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;CHECK-NEXT: .byte 42
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define i32 @foobar() nounwind readonly noinline ssp {
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entry:
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tail call void @llvm.dbg.value(metadata !8, i64 0, metadata !6), !dbg !9
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%call = tail call i32 @bar(), !dbg !11
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tail call void @llvm.dbg.value(metadata !{i32 %call}, i64 0, metadata !6), !dbg !11
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%call2 = tail call i32 @bar(), !dbg !11
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%add = add nsw i32 %call2, %call, !dbg !12
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ret i32 %add, !dbg !10
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}
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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declare i32 @bar() nounwind readnone
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!17}
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!0 = metadata !{i32 786478, metadata !15, metadata !1, metadata !"foobar", metadata !"foobar", metadata !"foobar", i32 12, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 ()* @foobar, null, null, metadata !14, i32 0} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 786473, metadata !15} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 786449, metadata !15, i32 12, metadata !"clang version 2.9 (trunk 114183)", i1 true, metadata !"", i32 0, metadata !16, metadata !16, metadata !13, null, null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 786453, metadata !15, metadata !1, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!4 = metadata !{metadata !5}
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!5 = metadata !{i32 786468, metadata !15, metadata !1, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
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!6 = metadata !{i32 786688, metadata !7, metadata !"j", metadata !1, i32 15, metadata !5, i32 0, null}
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!7 = metadata !{i32 786443, metadata !15, metadata !0, i32 12, i32 52, i32 0} ; [ DW_TAG_lexical_block ]
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!8 = metadata !{i32 42}
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!9 = metadata !{i32 15, i32 12, metadata !7, null}
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!10 = metadata !{i32 23, i32 3, metadata !7, null}
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!11 = metadata !{i32 17, i32 3, metadata !7, null}
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!12 = metadata !{i32 18, i32 3, metadata !7, null}
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!13 = metadata !{metadata !0}
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!14 = metadata !{metadata !6}
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!15 = metadata !{metadata !"mu.c", metadata !"/private/tmp"}
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!16 = metadata !{i32 0}
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!17 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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