summaryrefslogtreecommitdiffstats
path: root/llvm/lib/CodeGen/PrologEpilogInserter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/PrologEpilogInserter.cpp')
-rw-r--r--llvm/lib/CodeGen/PrologEpilogInserter.cpp16
1 files changed, 3 insertions, 13 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 31f962eba42..67834c8c352 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -1172,22 +1172,12 @@ void PEI::replaceFrameIndices(MachineBasicBlock *BB, MachineFunction &MF,
assert(i == 0 && "Frame indices can only appear as the first "
"operand of a DBG_VALUE machine instruction");
unsigned Reg;
- unsigned FrameIdx = MI.getOperand(0).getIndex();
- unsigned Size = MF.getFrameInfo().getObjectSize(FrameIdx);
-
int64_t Offset =
- TFI->getFrameIndexReference(MF, FrameIdx, Reg);
+ TFI->getFrameIndexReference(MF, MI.getOperand(0).getIndex(), Reg);
MI.getOperand(0).ChangeToRegister(Reg, false /*isDef*/);
MI.getOperand(0).setIsDebug();
-
- const DIExpression *DIExpr = MI.getDebugExpression();
- // If we already have a Implicit location expression we need to insert
- // a deref before prepending a Memory location expression.
- if (DIExpr->isImplicit()) {
- SmallVector<uint64_t, 2> Ops = {dwarf::DW_OP_deref_size, Size};
- DIExpr = DIExpression::prependOpcodes(DIExpr, Ops, DIExpression::WithStackValue);
- }
- DIExpr = DIExpression::prepend(DIExpr, DIExpression::NoDeref, Offset);
+ auto *DIExpr = DIExpression::prepend(MI.getDebugExpression(),
+ DIExpression::NoDeref, Offset);
MI.getOperand(3).setMetadata(DIExpr);
continue;
}
OpenPOWER on IntegriCloud