Unbreak tailcall opt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43646 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 7bd01b09cce8ae6ea89f1bafa4526ed1b4d03a16..dc9cf99fde6438863140effccc5fa1d606a556af 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1466,7 +1466,7 @@ bool X86TargetLowering::IsEligibleForTailCallOptimization(SDOperand Call,
   if ((NumOps == 1 && 
        (Ret.getOperand(0) == SDOperand(Call.Val,1) ||
         Ret.getOperand(0) == SDOperand(Call.Val,0))) ||
-      (NumOps == 2 &&
+      (NumOps > 1 &&
        Ret.getOperand(0) == SDOperand(Call.Val,Call.Val->getNumValues()-1) &&
        Ret.getOperand(1) == SDOperand(Call.Val,0))) {
     MachineFunction &MF = DAG.getMachineFunction();