[LegalizeTypes] Remove unnecessary if before calling ReplaceValueWith on the chain in SoftenFloatRes_LOAD.

I believe this is a leftover from when fp128 was softened to fp128
on X86-64. In that case type legalization must have been able to
create a load that was the same as N which would make this
replacement fail or assert. Since we no longer do that, this
check should be unneeded.

1 files changed, 1 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
index 4bea871..a563845 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
@@ -660,8 +660,7 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_LOAD(SDNode *N) {
                        L->getAAInfo());
     // Legalized the chain result - switch anything that used the old chain to
     // use the new one.
-    if (N != NewL.getValue(1).getNode())
-      ReplaceValueWith(SDValue(N, 1), NewL.getValue(1));
+    ReplaceValueWith(SDValue(N, 1), NewL.getValue(1));
     return NewL;
   }