Watch out for variable_ops instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30135 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 33b28017e58412f1ca7af851b60bed445cde381e..bfbf98968a2fbbb413d6ec454069841604723e5c 100644 (file)
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -493,7 +493,7 @@ void Emitter::emitInstruction(const MachineInstr &MI) {
     emitRegModRMByte(MI.getOperand(CurOp++).getReg(),
                      (Desc.TSFlags & X86II::FormMask)-X86II::MRM0r);
 
-    if (CurOp != MI.getNumOperands())
+    if (CurOp != MI.getNumOperands() && MI.getOperand(CurOp).isImmediate())
       emitConstant(MI.getOperand(CurOp++).getImm(), sizeOfImm(Desc));
     break;