Fix a bug in GlobalOpt's handling of DIExpressions.
This patch adds support for fragment expressions
TryToShrinkGlobalToBoolean() which were previously just dropped.
Thanks to Reid Kleckner for providing me a reproducer!
llvm-svn: 331086
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index edb01d1..2f7d414 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -1522,8 +1522,8 @@
auto doSalvage = [&](DbgInfoIntrinsic *DII, SmallVectorImpl<uint64_t> &Ops) {
auto *DIExpr = DII->getExpression();
- DIExpr = DIExpression::doPrepend(DIExpr, Ops,
- DIExpression::WithStackValue);
+ DIExpr =
+ DIExpression::prependOpcodes(DIExpr, Ops, DIExpression::WithStackValue);
DII->setOperand(0, wrapMD(I.getOperand(0)));
DII->setOperand(2, MetadataAsValue::get(I.getContext(), DIExpr));
DEBUG(dbgs() << "SALVAGE: " << *DII << '\n');