[llvm] r227628 - [PBQP] Fix transposed worst row/column check in handleAdd/RemoveNode in the PBQP

[Lang Hames]

Author: lhames
Date: Fri Jan 30 16:28:49 2015
New Revision: 227628

URL: http://llvm.org/viewvc/llvm-project?rev=227628&view=rev
Log:
[PBQP] Fix transposed worst row/column check in handleAdd/RemoveNode in the PBQP
allocator.

Patch by Jonas Paulsson. Thanks Jonas!


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

Modified: llvm/trunk/include/llvm/CodeGen/RegAllocPBQP.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/RegAllocPBQP.h?rev=227628&r1=227627&r2=227628&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/RegAllocPBQP.h (original)
+++ llvm/trunk/include/llvm/CodeGen/RegAllocPBQP.h Fri Jan 30 16:28:49 2015
@@ -248,7 +248,7 @@ public:
   void setReductionState(ReductionState RS) { this->RS = RS; }
 
   void handleAddEdge(const MatrixMetadata& MD, bool Transpose) {
-    DeniedOpts += Transpose ? MD.getWorstCol() : MD.getWorstRow();
+    DeniedOpts += Transpose ? MD.getWorstRow() : MD.getWorstCol();
     const bool* UnsafeOpts =
       Transpose ? MD.getUnsafeCols() : MD.getUnsafeRows();
     for (unsigned i = 0; i < NumOpts; ++i)
@@ -256,7 +256,7 @@ public:
   }
 
   void handleRemoveEdge(const MatrixMetadata& MD, bool Transpose) {
-    DeniedOpts -= Transpose ? MD.getWorstCol() : MD.getWorstRow();
+    DeniedOpts -= Transpose ? MD.getWorstRow() : MD.getWorstCol();
     const bool* UnsafeOpts =
       Transpose ? MD.getUnsafeCols() : MD.getUnsafeRows();
     for (unsigned i = 0; i < NumOpts; ++i)