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DebugInfo: Fix cross-CU references for scopes (and variables within those scopes) in abstract definitions of cross-CU inlined functions 

Found by Adrian Prantl during post-commit review of r209335.

llvm-svn: 209498
This commit is contained in:
David Blaikie 2014-05-23 04:23:06 +00:00
parent 0e57b91f9c
commit 96fb9024f2
2 changed files with 10 additions and 3 deletions
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7
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -528,11 +528,12 @@ void DwarfDebug::constructAbstractSubprogramScopeDIE(DwarfCompileUnit &TheCU,
// Find the subprogram's DwarfCompileUnit in the SPMap in case the subprogram
// was inlined from another compile unit.
DIE *ScopeDIE = SPMap[Sub]->getDIE(Sub);
DwarfCompileUnit &SPCU = *SPMap[Sub];
DIE *ScopeDIE = SPCU.getDIE(Sub);
assert(ScopeDIE);
AbstractSPDies.insert(std::make_pair(Sub, ScopeDIE));
TheCU.addUInt(*ScopeDIE, dwarf::DW_AT_inline, None, dwarf::DW_INL_inlined);
createAndAddScopeChildren(TheCU, Scope, *ScopeDIE);
SPCU.addUInt(*ScopeDIE, dwarf::DW_AT_inline, None, dwarf::DW_INL_inlined);
createAndAddScopeChildren(SPCU, Scope, *ScopeDIE);
}
DIE &DwarfDebug::constructSubprogramScopeDIE(DwarfCompileUnit &TheCU,

6
llvm/test/DebugInfo/cross-cu-inlining.ll
View File

@ -27,6 +27,9 @@
; CHECK-NEXT: DW_AT_abstract_origin {{.*}}[[ABS_FUNC:........]])
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_abstract_origin {{.*}}[[ABS_VAR:........]])
; CHECK: 0x[[INT:.*]]: DW_TAG_base_type
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "int"
; Check the abstract definition is in the 'b.cpp' CU and doesn't contain any
; concrete information (address range or variable location)
@ -35,6 +38,9 @@
; CHECK: 0x[[ABS_FUNC]]: DW_TAG_subprogram
; CHECK-NOT: DW_AT_low_pc
; CHECK: 0x[[ABS_VAR]]: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK-NOT: DW_AT_location
; CHECK: DW_AT_type [DW_FORM_ref_addr] (0x00000000[[INT]])
; CHECK-NOT: DW_AT_location
; Check the concrete out of line definition references the abstract and