[llvm] r232181 - r600: Clear visited structure before running.

[Jan Vesely]

Author: jvesely
Date: Fri Mar 13 12:32:46 2015
New Revision: 232181

URL: http://llvm.org/viewvc/llvm-project?rev=232181&view=rev
Log:
r600: Clear visited structure before running.

Fixes random crashes in for-loop piglit.

Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
Reviewed-by: Matt Arsenault <Matthew.Arsenault at amd.com>

Modified:
    llvm/trunk/lib/Target/R600/AMDILCFGStructurizer.cpp

Modified: llvm/trunk/lib/Target/R600/AMDILCFGStructurizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/AMDILCFGStructurizer.cpp?rev=232181&r1=232180&r2=232181&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/AMDILCFGStructurizer.cpp (original)
+++ llvm/trunk/lib/Target/R600/AMDILCFGStructurizer.cpp Fri Mar 13 12:32:46 2015
@@ -167,6 +167,7 @@ public:
     TRI = &TII->getRegisterInfo();
     DEBUG(MF.dump(););
     OrderedBlks.clear();
+    Visited.clear();
     FuncRep = &MF;
     MLI = &getAnalysis<MachineLoopInfo>();
     DEBUG(dbgs() << "LoopInfo:\n"; PrintLoopinfo(*MLI););