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[DebugInfo] support for DW_AT_data_location in llvm

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This patch adds support for DWARF attribute DW_AT_data_location.

Summary:
Dynamic arrays in fortran are described by array descriptor and
data allocation address. Former is mapped to DW_AT_location and
later is mapped to DW_AT_data_location.

Testing:
unit test cases added (hand-written)
check llvm
check debug-info

Reviewed By: aprantl

Differential Revision: https://reviews.llvm.org/D79592
This commit is contained in:
Alok Kumar Sharma
2020-05-15 11:24:27 +05:30
committed by Sourabh Singh Tomar
parent a2545c3499
commit 4042ada1c1
17 changed files with 365 additions and 82 deletions
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1
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@@ -1627,6 +1627,7 @@ void ModuleBitcodeWriter::writeDICompositeType(
Record.push_back(VE.getMetadataOrNullID(N->getTemplateParams().get()));
Record.push_back(VE.getMetadataOrNullID(N->getRawIdentifier()));
Record.push_back(VE.getMetadataOrNullID(N->getDiscriminator()));
Record.push_back(VE.getMetadataOrNullID(N->getRawDataLocation()));
Stream.EmitRecord(bitc::METADATA_COMPOSITE_TYPE, Record, Abbrev);
Record.clear();