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The end of the prologue should be marked with is_stmt.

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Fixes PR13303.

Patch by Paul Robinson!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160148 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2012-07-12 23:30:25 +00:00
parent 151d81d1e7
commit 5cf55e1c6a
2 changed files with 29 additions and 1 deletions
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2
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1382,7 +1382,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
MF->getFunction()->getContext());
recordSourceLine(FnStartDL.getLine(), FnStartDL.getCol(),
FnStartDL.getScope(MF->getFunction()->getContext()),
0);
DWARF2_LINE_DEFAULT_IS_STMT ? DWARF2_FLAG_IS_STMT : 0);
}
}

28
test/DebugInfo/X86/pr13303.ll Normal file
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@ -0,0 +1,28 @@
; RUN: llc %s -o %t -filetype=obj -mtriple=x86_64-unknown-linux-gnu
; RUN: llvm-dwarfdump %t | FileCheck %s
; PR13303
; Check that the prologue ends with is_stmt here.
; CHECK: 0x0000000000000000 {{.*}} is_stmt
define i32 @main() nounwind uwtable {
entry:
%retval = alloca i32, align 4
store i32 0, i32* %retval
ret i32 0, !dbg !10
}
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"PR13303.c", metadata !"/home/probinson", metadata !"clang version 3.2 (trunk 160143)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/home/probinson/PR13303.c] [DW_LANG_C99]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"main", metadata !"main", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @main, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [main]
!6 = metadata !{i32 786473, metadata !"PR13303.c", metadata !"/home/probinson", 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 ] [line 0, size 0, align 0, offset 0] [from ]
!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 ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = metadata !{i32 1, i32 14, metadata !11, null}
!11 = metadata !{i32 786443, metadata !5, i32 1, i32 12, metadata !6, i32 0} ; [ DW_TAG_lexical_block ] [/home/probinson/PR13303.c]