Allow FP types for atomicrmw xchg
llvm-svn: 351427
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index e861903..fcc09e2 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -583,6 +583,14 @@
std::fill(std::begin(TargetDAGCombineArray),
std::end(TargetDAGCombineArray), 0);
+ for (MVT VT : MVT::fp_valuetypes()) {
+ MVT IntVT = MVT::getIntegerVT(VT.getSizeInBits());
+ if (IntVT.isValid()) {
+ setOperationAction(ISD::ATOMIC_SWAP, VT, Promote);
+ AddPromotedToType(ISD::ATOMIC_SWAP, VT, IntVT);
+ }
+ }
+
// Set default actions for various operations.
for (MVT VT : MVT::all_valuetypes()) {
// Default all indexed load / store to expand.