[llvm][CodeGen] Avoid implicit cast of TypeSize to integer in `initAc…

…tions`.

Reviewers: sdesmalen, efriedma

Reviewed By: efriedma

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77317

llvm/lib/CodeGen/TargetLoweringBase.cpp

@@ -614,7 +614,7 @@ void TargetLoweringBase::initActions() {
             std::end(TargetDAGCombineArray), 0);
 
   for (MVT VT : MVT::fp_valuetypes()) {
-    MVT IntVT = MVT::getIntegerVT(VT.getSizeInBits());
+    MVT IntVT = MVT::getIntegerVT(VT.getSizeInBits().getFixedSize());
     if (IntVT.isValid()) {
       setOperationAction(ISD::ATOMIC_SWAP, VT, Promote);
       AddPromotedToType(ISD::ATOMIC_SWAP, VT, IntVT);