Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -13212,7 +13212,8 @@
   SelectionDAG::FlagInserter FlagsInserter(DAG, N);
 
   // FMA nodes have flags that propagate to the created nodes.
-  bool UnsafeFPMath = Options.UnsafeFPMath || isContractable(N);
+  bool UnsafeFPMath =
+      Options.UnsafeFPMath || N->getFlags().hasAllowReassociation();
 
   // Constant fold FMA.
   if (isa<ConstantFPSDNode>(N0) &&
Index: llvm/test/CodeGen/PowerPC/fma-combine.ll
===================================================================
--- llvm/test/CodeGen/PowerPC/fma-combine.ll
+++ llvm/test/CodeGen/PowerPC/fma-combine.ll
@@ -333,8 +333,11 @@
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    addis 3, 2, .LCPI9_0@toc@ha
 ; CHECK-NEXT:    lfd 0, .LCPI9_0@toc@l(3)
-; CHECK-NEXT:    xsmaddadp 2, 1, 0
+; CHECK-NEXT:    addis 3, 2, .LCPI9_1@toc@ha
+; CHECK-NEXT:    lfd 3, .LCPI9_1@toc@l(3)
+; CHECK-NEXT:    xsmuldp 0, 1, 0
 ; CHECK-NEXT:    fmr 1, 2
+; CHECK-NEXT:    xsmaddadp 1, 0, 3
 ; CHECK-NEXT:    blr
 entry:
   %0 = fmul double %a, 1.1