GlobalISel: Add G_FMAD instruction

llvm-svn: 371254
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 1fc9bff..93271dc 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -1753,6 +1753,7 @@
   case TargetOpcode::G_FMUL:
   case TargetOpcode::G_FSUB:
   case TargetOpcode::G_FMA:
+  case TargetOpcode::G_FMAD:
   case TargetOpcode::G_FNEG:
   case TargetOpcode::G_FABS:
   case TargetOpcode::G_FCANONICALIZE:
@@ -2828,6 +2829,7 @@
   case G_FDIV:
   case G_FREM:
   case G_FMA:
+  case G_FMAD:
   case G_FPOW:
   case G_FEXP:
   case G_FEXP2: