[llvm-commits] [llvm] r157640 - /llvm/trunk/lib/CodeGen/MachineVerifier.cpp

[Evan Cheng]

Author: evancheng
Date: Tue May 29 14:40:44 2012
New Revision: 157640

URL: http://llvm.org/viewvc/llvm-project?rev=157640&view=rev
Log:
Optional def can be either a def or a use (of reg0).

Modified:
    llvm/trunk/lib/CodeGen/MachineVerifier.cpp

Modified: llvm/trunk/lib/CodeGen/MachineVerifier.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineVerifier.cpp?rev=157640&r1=157639&r2=157640&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineVerifier.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp Tue May 29 14:40:44 2012
@@ -634,7 +634,7 @@
   if (MONum < MCID.getNumDefs()) {
     if (!MO->isReg())
       report("Explicit definition must be a register", MO, MONum);
-    else if (!MO->isDef())
+    else if (!MO->isDef() && !MCOI.isOptionalDef())
       report("Explicit definition marked as use", MO, MONum);
     else if (MO->isImplicit())
       report("Explicit definition marked as implicit", MO, MONum);