[llvm-commits] [llvm] r123323 - /llvm/trunk/include/llvm/CodeGen/SlotIndexes.h

[Jakob Stoklund Olesen]

Author: stoklund
Date: Wed Jan 12 15:27:45 2011
New Revision: 123323

URL: http://llvm.org/viewvc/llvm-project?rev=123323&view=rev
Log:
Assert if anybody tries to put a slot index on a DBG_VALUE instruction.

Modified:
    llvm/trunk/include/llvm/CodeGen/SlotIndexes.h

Modified: llvm/trunk/include/llvm/CodeGen/SlotIndexes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SlotIndexes.h?rev=123323&r1=123322&r2=123323&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SlotIndexes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SlotIndexes.h Wed Jan 12 15:27:45 2011
@@ -625,6 +625,9 @@
     SlotIndex insertMachineInstrInMaps(MachineInstr *mi,
                                         bool *deferredRenumber = 0) {
       assert(mi2iMap.find(mi) == mi2iMap.end() && "Instr already indexed.");
+      // Numbering DBG_VALUE instructions could cause code generation to be
+      // affected by debug information.
+      assert(!mi->isDebugValue() && "Cannot number DBG_VALUE instructions.");
 
       MachineBasicBlock *mbb = mi->getParent();