Do not ignore debug loc attached with llvm.dbg.declare while collecting debug info used by a module.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102995 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 86 insertions, 0 deletions

diff --git a/test/DebugInfo/2010-05-03-OriginDIE.ll b/test/DebugInfo/2010-05-03-OriginDIE.ll
new file mode 100644
index 0000000000..0e1d1fddc4
--- /dev/null
+++ b/test/DebugInfo/2010-05-03-OriginDIE.ll
@@ -0,0 +1,86 @@
+
+;RUN: llc < %s -o /dev/null
+;Radar 7937109
+
+%struct.anon = type { i64, i32, i32, i32, [1 x i32] }
+%struct.gpm_t = type { i32, i8*, [16 x i8], i32, i64, i64, i64, i64, i64, i64, i32, i16, i16, [8 x %struct.gpmr_t] }
+%struct.gpmr_t = type { [48 x i8], [48 x i8], [16 x i8], i64, i64, i64, i64, i16 }
+%struct.gpt_t = type { [8 x i8], i32, i32, i32, i32, i64, i64, i64, i64, [16 x i8], %struct.anon }
+
+@llvm.used = appending global [1 x i8*] [i8* bitcast (void (%struct.gpm_t*, %struct.gpt_t*)* @gpt2gpm to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
+
+define fastcc void @gpt2gpm(%struct.gpm_t* %gpm, %struct.gpt_t* %gpt) nounwind optsize ssp {
+entry:
+  %data_addr.i18 = alloca i64, align 8            ; <i64*> [#uses=1]
+  %data_addr.i17 = alloca i64, align 8            ; <i64*> [#uses=2]
+  %data_addr.i16 = alloca i64, align 8            ; <i64*> [#uses=0]
+  %data_addr.i15 = alloca i32, align 4            ; <i32*> [#uses=0]
+  %data_addr.i = alloca i64, align 8              ; <i64*> [#uses=0]
+  %0 = getelementptr inbounds %struct.gpm_t* %gpm, i32 0, i32 2, i32 0 ; <i8*> [#uses=1]
+  %1 = getelementptr inbounds %struct.gpt_t* %gpt, i32 0, i32 9, i32 0 ; <i8*> [#uses=1]
+  call void @uuid_LtoB(i8* %0, i8* %1) nounwind, !dbg !0
+  %a9 = volatile load i64* %data_addr.i18, align 8 ; <i64> [#uses=1]
+  %a10 = call i64 @llvm.bswap.i64(i64 %a9) nounwind ; <i64> [#uses=1]
+  %a11 = getelementptr inbounds %struct.gpt_t* %gpt, i32 0, i32 8, !dbg !7 ; <i64*> [#uses=1]
+  %a12 = load i64* %a11, align 4, !dbg !7         ; <i64> [#uses=1]
+  call void @llvm.dbg.declare(metadata !{i64* %data_addr.i17}, metadata !8) nounwind, !dbg !14
+  store i64 %a12, i64* %data_addr.i17, align 8
+  call void @llvm.dbg.value(metadata !6, i64 0, metadata !15) nounwind
+  call void @llvm.dbg.value(metadata !18, i64 0, metadata !19) nounwind
+  call void @llvm.dbg.declare(metadata !6, metadata !23) nounwind
+  call void @llvm.dbg.value(metadata !{i64* %data_addr.i17}, i64 0, metadata !34) nounwind
+  %a13 = volatile load i64* %data_addr.i17, align 8 ; <i64> [#uses=1]
+  %a14 = call i64 @llvm.bswap.i64(i64 %a13) nounwind ; <i64> [#uses=2]
+  %a15 = add i64 %a10, %a14, !dbg !7              ; <i64> [#uses=1]
+  %a16 = sub i64 %a15, %a14                       ; <i64> [#uses=1]
+  %a17 = getelementptr inbounds %struct.gpm_t* %gpm, i32 0, i32 5, !dbg !7 ; <i64*> [#uses=1]
+  store i64 %a16, i64* %a17, align 4, !dbg !7
+  ret void, !dbg !7
+}
+
+declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+declare i32 @llvm.bswap.i32(i32) nounwind readnone
+
+declare i64 @llvm.bswap.i64(i64) nounwind readnone
+
+declare void @uuid_LtoB(i8*, i8*)
+
+!0 = metadata !{i32 808, i32 0, metadata !1, null}
+!1 = metadata !{i32 524299, metadata !2, i32 807, i32 0} ; [ DW_TAG_lexical_block ]
+!2 = metadata !{i32 524334, i32 0, metadata !3, metadata !"gpt2gpm", metadata !"gpt2gpm", metadata !"gpt2gpm", metadata !3, i32 807, metadata !5, i1 true, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
+!3 = metadata !{i32 524329, metadata !"G.c", metadata !"/tmp", metadata !4} ; [ DW_TAG_file_type ]
+!4 = metadata !{i32 524305, i32 0, i32 1, metadata !"G.c", metadata !"/tmp", metadata !"llvm-gcc", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!5 = metadata !{i32 524309, metadata !3, metadata !"", metadata !3, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !6, i32 0, null} ; [ DW_TAG_subroutine_type ]
+!6 = metadata !{null}
+!7 = metadata !{i32 810, i32 0, metadata !1, null}
+!8 = metadata !{i32 524545, metadata !9, metadata !"data", metadata !10, i32 201, metadata !11} ; [ DW_TAG_arg_variable ]
+!9 = metadata !{i32 524334, i32 0, metadata !3, metadata !"_OSSwapInt64", metadata !"_OSSwapInt64", metadata !"_OSSwapInt64", metadata !10, i32 202, metadata !5, i1 true, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
+!10 = metadata !{i32 524329, metadata !"OSByteOrder.h", metadata !"/usr/include/libkern/ppc", metadata !4} ; [ DW_TAG_file_type ]
+!11 = metadata !{i32 524310, metadata !3, metadata !"uint64_t", metadata !12, i32 59, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ]
+!12 = metadata !{i32 524329, metadata !"stdint.h", metadata !"/usr/4.2.1/include", metadata !4} ; [ DW_TAG_file_type ]
+!13 = metadata !{i32 524324, metadata !3, metadata !"long long unsigned int", metadata !3, i32 0, i64 64, i64 64, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
+!14 = metadata !{i32 202, i32 0, metadata !9, metadata !7}
+!15 = metadata !{i32 524545, metadata !16, metadata !"base", metadata !10, i32 92, metadata !17} ; [ DW_TAG_arg_variable ]
+!16 = metadata !{i32 524334, i32 0, metadata !3, metadata !"OSReadSwapInt64", metadata !"OSReadSwapInt64", metadata !"OSReadSwapInt64", metadata !10, i32 95, metadata !5, i1 true, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
+!17 = metadata !{i32 524303, metadata !3, metadata !"", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
+!18 = metadata !{i32 0}
+!19 = metadata !{i32 524545, metadata !16, metadata !"byteOffset", metadata !10, i32 94, metadata !20} ; [ DW_TAG_arg_variable ]
+!20 = metadata !{i32 524310, metadata !3, metadata !"uintptr_t", metadata !21, i32 114, i64 0, i64 0, i64 0, i32 0, metadata !22} ; [ DW_TAG_typedef ]
+!21 = metadata !{i32 524329, metadata !"types.h", metadata !"/usr/include/ppc", metadata !4} ; [ DW_TAG_file_type ]
+!22 = metadata !{i32 524324, metadata !3, metadata !"long unsigned int", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
+!23 = metadata !{i32 524544, metadata !24, metadata !"u", metadata !10, i32 100, metadata !25} ; [ DW_TAG_auto_variable ]
+!24 = metadata !{i32 524299, metadata !16, i32 95, i32 0} ; [ DW_TAG_lexical_block ]
+!25 = metadata !{i32 524311, metadata !16, metadata !"", metadata !10, i32 97, i64 64, i64 64, i64 0, i32 0, null, metadata !26, i32 0, null} ; [ DW_TAG_union_type ]
+!26 = metadata !{metadata !27, metadata !28}
+!27 = metadata !{i32 524301, metadata !25, metadata !"u64", metadata !10, i32 98, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_member ]
+!28 = metadata !{i32 524301, metadata !25, metadata !"u32", metadata !10, i32 99, i64 64, i64 32, i64 0, i32 0, metadata !29} ; [ DW_TAG_member ]
+!29 = metadata !{i32 524289, metadata !3, metadata !"", metadata !3, i32 0, i64 64, i64 32, i64 0, i32 0, metadata !30, metadata !32, i32 0, null} ; [ DW_TAG_array_type ]
+!30 = metadata !{i32 524310, metadata !3, metadata !"uint32_t", metadata !12, i32 55, i64 0, i64 0, i64 0, i32 0, metadata !31} ; [ DW_TAG_typedef ]
+!31 = metadata !{i32 524324, metadata !3, metadata !"unsigned int", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
+!32 = metadata !{metadata !33}
+!33 = metadata !{i32 524321, i64 0, i64 1}        ; [ DW_TAG_subrange_type ]
+!34 = metadata !{i32 524544, metadata !24, metadata !"addr", metadata !10, i32 96, metadata !35} ; [ DW_TAG_auto_variable ]
+!35 = metadata !{i32 524303, metadata !3, metadata !"", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]