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Add a new wrapper node for a DILexicalBlock that encapsulates it and a

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file. Since it should only be used when necessary propagate it through
the backend code generation and tweak testcases accordingly.

This helps with code like in clang's test/CodeGen/debug-info-line.c where
we have multiple #line directives within a single lexical block and want
to generate only a single block that contains each file change.

Part of rdar://10246360

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141729 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2011-10-11 22:59:11 +00:00
parent 5ba7b501fd
commit 6618a241f7
10 changed files with 115 additions and 10 deletions
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4
test/CodeGen/ARM/2009-10-16-Scope.ll
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@@ -23,10 +23,10 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
declare i32 @foo(i32) ssp
!0 = metadata !{i32 5, i32 2, metadata !1, null}
!1 = metadata !{i32 458763, metadata !2}; [DW_TAG_lexical_block ]
!1 = metadata !{i32 458763, metadata !2, i32 1, i32 1}; [DW_TAG_lexical_block ]
!2 = metadata !{i32 458798, i32 0, metadata !3, metadata !"bar", metadata !"bar", metadata !"bar", metadata !3, i32 4, null, i1 false, i1 true}; [DW_TAG_subprogram ]
!3 = metadata !{i32 458769, i32 0, i32 12, metadata !"genmodes.i", metadata !"/Users/yash/Downloads", metadata !"clang 1.1", i1 true, i1 false, metadata !"", i32 0}; [DW_TAG_compile_unit ]
!4 = metadata !{i32 459008, metadata !5, metadata !"count_", metadata !3, i32 5, metadata !6}; [ DW_TAG_auto_variable ]
!5 = metadata !{i32 458763, metadata !1}; [DW_TAG_lexical_block ]
!5 = metadata !{i32 458763, metadata !1, i32 1, i32 1}; [DW_TAG_lexical_block ]
!6 = metadata !{i32 458788, metadata !3, metadata !"int", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}; [DW_TAG_base_type ]
!7 = metadata !{i32 6, i32 1, metadata !2, null}

4
test/CodeGen/X86/2009-10-16-Scope.ll
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@@ -23,10 +23,10 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
declare i32 @foo(i32) ssp
!0 = metadata !{i32 5, i32 2, metadata !1, null}
!1 = metadata !{i32 458763, metadata !2}; [DW_TAG_lexical_block ]
!1 = metadata !{i32 458763, metadata !2, i32 1, i32 1}; [DW_TAG_lexical_block ]
!2 = metadata !{i32 458798, i32 0, metadata !3, metadata !"bar", metadata !"bar", metadata !"bar", metadata !3, i32 4, null, i1 false, i1 true}; [DW_TAG_subprogram ]
!3 = metadata !{i32 458769, i32 0, i32 12, metadata !"genmodes.i", metadata !"/Users/yash/Downloads", metadata !"clang 1.1", i1 true, i1 false, metadata !"", i32 0}; [DW_TAG_compile_unit ]
!4 = metadata !{i32 459008, metadata !5, metadata !"count_", metadata !3, i32 5, metadata !6}; [ DW_TAG_auto_variable ]
!5 = metadata !{i32 458763, metadata !1}; [DW_TAG_lexical_block ]
!5 = metadata !{i32 458763, metadata !1, i32 1, i32 1}; [DW_TAG_lexical_block ]
!6 = metadata !{i32 458788, metadata !3, metadata !"int", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}; [DW_TAG_base_type ]
!7 = metadata !{i32 6, i32 1, metadata !2, null}

2
test/DebugInfo/2010-01-05-DbgScope.ll
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@@ -9,7 +9,7 @@ entry:
}
!0 = metadata !{i32 571, i32 3, metadata !1, null}
!1 = metadata !{i32 458763, metadata !2}; [DW_TAG_lexical_block ]
!1 = metadata !{i32 458763, metadata !2, i32 1, i32 1}; [DW_TAG_lexical_block ]
!2 = metadata !{i32 458798, i32 0, metadata !3, metadata !"foo", metadata !"foo", metadata !"foo", metadata !3, i32 561, metadata !4, i1 false, i1 true}; [DW_TAG_subprogram ]
!3 = metadata !{i32 458769, i32 0, i32 12, metadata !"hashtab.c", metadata !"/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/libiberty", metadata !"clang 1.1", i1 true, i1 false, metadata !"", i32 0}; [DW_TAG_compile_unit ]
!4 = metadata !{i32 458773, metadata !3, metadata !"", null, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0}; [DW_TAG_subroutine_type ]