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-rw-r--r--llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp11
1 files changed, 4 insertions, 7 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp b/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
index 6550dc362b0..396e0ed2e76 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp
@@ -198,14 +198,11 @@ bool AMDGPUUnifyDivergentExitNodes::runOnFunction(Function &F) {
BranchInst::Create(LoopHeaderBB, DummyReturnBB, BoolTrue, BB);
} else { // Conditional branch.
// Create a new transition block to hold the conditional branch.
- BasicBlock *TransitionBB = BasicBlock::Create(F.getContext(),
- "TransitionBlock", &F);
+ BasicBlock *TransitionBB = BB->splitBasicBlock(BI, "TransitionBlock");
- // Move BI from BB to the new transition block.
- BI->removeFromParent();
- TransitionBB->getInstList().push_back(BI);
-
- // Create a branch that will always branch to the transition block.
+ // Create a branch that will always branch to the transition block and
+ // references DummyReturnBB.
+ BB->getTerminator()->eraseFromParent();
BranchInst::Create(TransitionBB, DummyReturnBB, BoolTrue, BB);
}
}
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