commit e4454320b3cfffe926a487c33fbeb454366de2f8
author Shih-wei Liao <sliao@google.com> Wed Apr 07 12:21:42 2010 -0700
committer Shih-wei Liao <sliao@google.com> Wed Apr 07 12:21:42 2010 -0700
tree 133c05da684edf4a3b2529bcacfa996298c455f6
parent 20570085304f0a4ab4f112a01d77958bbd2827a1

libbcc

Change-Id: Ieaa3ebd5a38f370752495549f8870b534eeedfc5

lib/CodeGen/ProcessImplicitDefs.cpp

diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp
index e3df2e4..d7179b3 100644
--- a/lib/CodeGen/ProcessImplicitDefs.cpp
+++ b/lib/CodeGen/ProcessImplicitDefs.cpp
@@ -205,10 +205,9 @@
       // Process each use instruction once.
       for (MachineRegisterInfo::use_iterator UI = mri_->use_begin(Reg),
              UE = mri_->use_end(); UI != UE; ++UI) {
-        MachineInstr *RMI = &*UI;
-        MachineBasicBlock *RMBB = RMI->getParent();
-        if (RMBB == MBB)
+        if (UI.getOperand().isUndef())
           continue;
+        MachineInstr *RMI = &*UI;
         if (ModInsts.insert(RMI))
           RUses.push_back(RMI);
       }