[llvm-commits] [llvm] r68953 - /llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp

[Dan Gohman]

Author: djg
Date: Mon Apr 13 10:16:56 2009
New Revision: 68953

URL: http://llvm.org/viewvc/llvm-project?rev=68953&view=rev
Log:
Add an assertion to verify that a copy was actually emitted.

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

Modified: llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp?rev=68953&r1=68952&r2=68953&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp (original)
+++ llvm/trunk/lib/CodeGen/TwoAddressInstructionPass.cpp Mon Apr 13 10:16:56 2009
@@ -857,7 +857,8 @@
             ReMatRegs.set(regB);
             ++NumReMats;
           } else {
-            TII->copyRegToReg(*mbbi, mi, regA, regB, rc, rc);
+            bool Emitted = TII->copyRegToReg(*mbbi, mi, regA, regB, rc, rc);
+            assert(Emitted && "Unable to issue a copy instruction!\n");
           }
 
           MachineBasicBlock::iterator prevMI = prior(mi);