Watch out for blocks that end with a return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37227 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp
index a98f04b..a93175e 100644
--- a/lib/CodeGen/IfConversion.cpp
+++ b/lib/CodeGen/IfConversion.cpp
@@ -316,7 +316,7 @@
// Either the 'true' block fallthrough to another block or it ends with a
// return. If it's the former, add a conditional branch to its successor.
- if (!TrueBBI.TrueBB)
+ if (!TrueBBI.TrueBB && BBI.TrueBB->succ_size())
TII->InsertBranch(*BBI.TrueBB, *BBI.TrueBB->succ_begin(), NULL, BBI.Cond);
// Predicate the 'false' block.
@@ -326,7 +326,7 @@
// Either the 'false' block fallthrough to another block or it ends with a
// return. If it's the former, add a conditional branch to its successor.
- if (!FalseBBI.TrueBB)
+ if (!FalseBBI.TrueBB && BBI.FalseBB->succ_size())
TII->InsertBranch(*BBI.FalseBB, *BBI.FalseBB->succ_begin(), NULL,NewCond);
// Merge the 'true' and 'false' blocks by copying the instructions