Make code a bit less brittle by no hardcoding the number
of operands in an address in so many places.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67945 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index 8862428..dee5717 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -616,9 +616,10 @@
 /// handleOneArgFP - fst <mem>, ST(0)
 ///
 void FPS::handleOneArgFP(MachineBasicBlock::iterator &I) {
+  const int X86AddrNumOperands = 4;
   MachineInstr *MI = I;
   unsigned NumOps = MI->getDesc().getNumOperands();
-  assert((NumOps == 5 || NumOps == 1) &&
+  assert((NumOps == X86AddrNumOperands + 1 || NumOps == 1) &&
          "Can only handle fst* & ftst instructions!");
 
   // Is this the last use of the source register?