[llvm-commits] [llvm] r128643 - /llvm/trunk/lib/CodeGen/MachineVerifier.cpp

Jakob Stoklund Olesen stoklund at 2pi.dk
Thu Mar 31 10:52:42 PDT 2011


Author: stoklund
Date: Thu Mar 31 12:52:41 2011
New Revision: 128643

URL: http://llvm.org/viewvc/llvm-project?rev=128643&view=rev
Log:
Allow kill flags on two-address instructions. They are harmless.

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=128643&r1=128642&r2=128643&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineVerifier.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp Thu Mar 31 12:52:41 2011
@@ -610,13 +610,9 @@
       if (MI->isRegTiedToDefOperand(MONum, &defIdx)) {
         // A two-addr use counts as a kill if use and def are the same.
         unsigned DefReg = MI->getOperand(defIdx).getReg();
-        if (Reg == DefReg) {
+        if (Reg == DefReg)
           isKill = true;
-          // And in that case an explicit kill flag is not allowed.
-          if (MO->isKill())
-            report("Illegal kill flag on two-address instruction operand",
-                   MO, MONum);
-        } else if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
+        else if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
           report("Two-address instruction operands must be identical",
                  MO, MONum);
         }





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