[llvm-commits] [llvm] r133271 - /llvm/trunk/lib/CodeGen/MachineBasicBlock.cpp
Jakub Staszak
jstaszak at apple.com
Fri Jun 17 11:00:21 PDT 2011
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;
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