Revert r254348: "Replace all weight-based interfaces in MBB with probability-based...

[oota-llvm.git] / lib / Target / AMDGPU / AMDILCFGStructurizer.cpp

diff --git a/lib/Target/AMDGPU/AMDILCFGStructurizer.cpp b/lib/Target/AMDGPU/AMDILCFGStructurizer.cpp
index cdbd12092150e83c3dc10bca52e910dfba443c0e..f1b383017901083da36d329186f860bc662e9cb8 100644 (file)
--- a/lib/Target/AMDGPU/AMDILCFGStructurizer.cpp
+++ b/lib/Target/AMDGPU/AMDILCFGStructurizer.cpp
@@ -1570,7 +1570,8 @@ void AMDGPUCFGStructurizer::mergeLooplandBlock(MachineBasicBlock *DstBlk,
 
   insertInstrBefore(DstBlk, AMDGPU::WHILELOOP, DebugLoc());
   insertInstrEnd(DstBlk, AMDGPU::ENDLOOP, DebugLoc());
-  DstBlk->replaceSuccessor(DstBlk, LandMBB);
+  DstBlk->addSuccessor(LandMBB);
+  DstBlk->removeSuccessor(DstBlk);
 }
 
 
@@ -1665,7 +1666,8 @@ AMDGPUCFGStructurizer::cloneBlockForPredecessor(MachineBasicBlock *MBB,
   replaceInstrUseOfBlockWith(PredMBB, MBB, CloneMBB);
   //srcBlk, oldBlk, newBlk
 
-  PredMBB->replaceSuccessor(MBB, CloneMBB);
+  PredMBB->removeSuccessor(MBB);
+  PredMBB->addSuccessor(CloneMBB);
 
   // add all successor to cloneBlk
   cloneSuccessorList(CloneMBB, MBB);