fix a valgrind error on copy-constructor-synthesis.cpp, which is caused when
the custom insertion hook deletes the instruction, then we try to set dead
flags on it. Neither the code that I added nor the code that was there
before was safe.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99538 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index e86a18d..7b660f5 100644
--- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -617,9 +617,10 @@
// specific inserter which may returns a new basic block.
MBB = TLI->EmitInstrWithCustomInserter(MI, MBB, EM);
InsertPos = MBB->end();
- } else {
- MBB->insert(InsertPos, MI);
+ return;
}
+
+ MBB->insert(InsertPos, MI);
// Additional results must be an physical register def.
if (HasPhysRegOuts) {