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Revert "[DWARFLinker] Use different addresses to distinguish invalid … (#149422)

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…DW_AT_LLVM_stmt_sequence offset (#149376)"

This reverts commit b0c6148584854af3d7ed2425034c3b5252f6b769.
This commit is contained in:
Peter Rong 2025-07-18 09:11:59 -07:00 committed by GitHub
parent c244c3b2d9
commit a9147e64aa
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GPG Key ID: B5690EEEBB952194
1 changed files with 2 additions and 8 deletions
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10
llvm/lib/DWARFLinker/Classic/DWARFLinker.cpp
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@ -43,12 +43,6 @@ namespace llvm {
using namespace dwarf_linker; using namespace dwarf_linker;
using namespace dwarf_linker::classic; using namespace dwarf_linker::classic;
enum InvalidStmtSeqOffset {
MaxStmtSeqOffset = UINT64_MAX,
OrigOffsetMissing = MaxStmtSeqOffset - 1,
NewOffsetMissing = MaxStmtSeqOffset - 2,
};
/// Hold the input and output of the debug info size in bytes. /// Hold the input and output of the debug info size in bytes.
struct DebugInfoSize { struct DebugInfoSize {
uint64_t Input; uint64_t Input;
@ -2321,7 +2315,7 @@ void DWARFLinker::DIECloner::generateLineTableForUnit(CompileUnit &Unit) {
// Some sequences are discarded by the DWARFLinker if they are invalid // Some sequences are discarded by the DWARFLinker if they are invalid
// (empty). // (empty).
if (OrigRowIter == SeqOffToOrigRow.end()) { if (OrigRowIter == SeqOffToOrigRow.end()) {
StmtSeq.set(OrigOffsetMissing); StmtSeq.set(UINT64_MAX);
continue; continue;
} }
size_t OrigRowIndex = OrigRowIter->second; size_t OrigRowIndex = OrigRowIter->second;
@ -2331,7 +2325,7 @@ void DWARFLinker::DIECloner::generateLineTableForUnit(CompileUnit &Unit) {
if (NewRowIter == OrigRowToNewRow.end()) { if (NewRowIter == OrigRowToNewRow.end()) {
// If the original row index is not found in the map, update the // If the original row index is not found in the map, update the
// stmt_sequence attribute to the 'invalid offset' magic value. // stmt_sequence attribute to the 'invalid offset' magic value.
StmtSeq.set(NewOffsetMissing); StmtSeq.set(UINT64_MAX);
continue; continue;
} }