diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index eb13ae0f499..722f645d1a5 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -1605,8 +1605,13 @@ void llvm::salvageDebugInfo(Instruction &I) { auto doSalvage = [&](DbgInfoIntrinsic *DII, SmallVectorImpl<uint64_t> &Ops) { auto *DIExpr = DII->getExpression(); - DIExpr = - DIExpression::prependOpcodes(DIExpr, Ops, DIExpression::WithStackValue); + if (!Ops.empty()) { + // Do not add DW_OP_stack_value for DbgDeclare and DbgAddr, because they + // are implicitly pointing out the value as a DWARF memory location + // description. + bool WithStackValue = isa<DbgValueInst>(DII); + DIExpr = DIExpression::prependOpcodes(DIExpr, Ops, WithStackValue); + } DII->setOperand(0, wrapMD(I.getOperand(0))); DII->setOperand(2, MetadataAsValue::get(I.getContext(), DIExpr)); LLVM_DEBUG(dbgs() << "SALVAGE: " << *DII << '\n'); |
