[llvm-commits] [llvm] r108005 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Bill Wendling]

Author: void
Date: Fri Jul  9 14:44:12 2010
New Revision: 108005

URL: http://llvm.org/viewvc/llvm-project?rev=108005&view=rev
Log:
Clarify what mysterious check means.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=108005&r1=108004&r2=108005&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Jul  9 14:44:12 2010
@@ -300,6 +300,9 @@
       for (MachineBasicBlock::const_iterator
              II = MBB->begin(), IE = MBB->end(); II != IE; ++II) {
         const TargetInstrDesc &TID = TM.getInstrInfo()->get(II->getOpcode());
+
+        // Operand 1 of an inline asm instruction indicates whether the asm
+        // needs stack or not.
         if ((II->isInlineAsm() && II->getOperand(1).getImm()) ||
             (TID.isCall() && !TID.isReturn())) {
           MFI->setHasCalls(true);