diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h index ebfba4cfc27..5dfe06c64ec 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h @@ -134,6 +134,13 @@ public: assert(!FrameIndexExprs.empty() && "Expected an MMI entry"); assert(!V.FrameIndexExprs.empty() && "Expected an MMI entry"); + if (FrameIndexExprs.size()) { + auto *Expr = FrameIndexExprs.back().Expr; + // Get rid of duplicate non-fragment entries. More than one non-fragment + // dbg.declare makes no sense so ignore all but the first. + if (!Expr || !Expr->isFragment()) + return; + } FrameIndexExprs.append(V.FrameIndexExprs.begin(), V.FrameIndexExprs.end()); assert(all_of(FrameIndexExprs, [](FrameIndexExpr &FIE) { |
