[llvm-commits] [llvm] r133271 - /llvm/trunk/lib/CodeGen/MachineBasicBlock.cpp

[Jakub Staszak]

Author: kuba
Date: Fri Jun 17 13:00:21 2011
New Revision: 133271

URL: http://llvm.org/viewvc/llvm-project?rev=133271&view=rev
Log:
getSuccWeight returns now default 0 if Weights vector is empty.

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

Modified: llvm/trunk/lib/CodeGen/MachineBasicBlock.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineBasicBlock.cpp?rev=133271&r1=133270&r2=133271&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineBasicBlock.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineBasicBlock.cpp Fri Jun 17 13:00:21 2011
@@ -768,6 +768,9 @@
 /// getSuccWeight - Return weight of the edge from this block to MBB.
 ///
 uint32_t MachineBasicBlock::getSuccWeight(MachineBasicBlock *succ) {
+  if (Weights.empty())
+    return 0;
+
   succ_iterator I = std::find(Successors.begin(), Successors.end(), succ);
   return *getWeightIterator(I);
 }
@@ -776,8 +779,7 @@
 /// iterator
 MachineBasicBlock::weight_iterator MachineBasicBlock::
 getWeightIterator(MachineBasicBlock::succ_iterator I) {
-  assert((Weights.size() == Successors.size() || Weights.empty()) &&
-         "Async weight list!");
+  assert(Weights.size() == Successors.size() && "Async weight list!");
   size_t index = std::distance(Successors.begin(), I);
   assert(index < Weights.size() && "Not a current successor!");
   return Weights.begin() + index;