[PATCH] D44546: [SelectionDAG] Transfer DbgValues when integer operations are promoted
Aaron Smith via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 15 16:05:44 PDT 2018
asmith created this revision.
asmith added reviewers: vsk, JDevlieghere, aprantl.
Herald added a subscriber: llvm-commits.
DbgValue nodes were not transferred when integer DAG nodes were promoted. For example, if an i32 add node was promoted to an i64 add node by DAGTypeLegalizer::PromoteIntegerResult(), its DbgValue node was not transferred to the new node. The simple fix is to update SetPromotedInteger() to transfer DbgValues.
Patch by Se Jong Oh!
Repository:
rL LLVM
https://reviews.llvm.org/D44546
Files:
lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
Index: lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
===================================================================
--- lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -776,6 +776,8 @@
SDValue &OpEntry = PromotedIntegers[Op];
assert(!OpEntry.getNode() && "Node is already promoted!");
OpEntry = Result;
+
+ DAG.transferDbgValues(Op, Result);
}
void DAGTypeLegalizer::SetSoftenedFloat(SDValue Op, SDValue Result) {
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