diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index 9e0ac96ba56..9ed15fb7753 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -4667,6 +4667,10 @@ bool CodeGenPrepare::splitBranchCondition(Function &F) { if (!match(BB.getTerminator(), m_Br(m_OneUse(m_BinOp(LogicOp)), TBB, FBB))) continue; + auto *Br1 = cast<BranchInst>(BB.getTerminator()); + if (Br1->getMetadata(LLVMContext::MD_unpredictable)) + continue; + unsigned Opc; Value *Cond1, *Cond2; if (match(LogicOp, m_And(m_OneUse(m_Value(Cond1)), @@ -4693,7 +4697,6 @@ bool CodeGenPrepare::splitBranchCondition(Function &F) { // Update original basic block by using the first condition directly by the // branch instruction and removing the no longer needed and/or instruction. - auto *Br1 = cast<BranchInst>(BB.getTerminator()); Br1->setCondition(Cond1); LogicOp->eraseFromParent(); |
