diff options
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnswitch.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnswitch.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp index 9761d68297..a33e795643 100644 --- a/lib/Transforms/Scalar/LoopUnswitch.cpp +++ b/lib/Transforms/Scalar/LoopUnswitch.cpp @@ -881,8 +881,8 @@ void LoopUnswitch::RewriteLoopBodyWithConditionConstant(Loop *L, Value *LIC, for (Value::use_iterator UI = LIC->use_begin(), E = LIC->use_end(); UI != E; ++UI) { - Instruction *U = cast<Instruction>(*UI); - if (!L->contains(U)) + Instruction *U = dyn_cast<Instruction>(*UI); + if (!U || !L->contains(U)) continue; U->replaceUsesOfWith(LIC, Replacement); Worklist.push_back(U); @@ -896,8 +896,8 @@ void LoopUnswitch::RewriteLoopBodyWithConditionConstant(Loop *L, Value *LIC, // can. This case occurs when we unswitch switch statements. for (Value::use_iterator UI = LIC->use_begin(), E = LIC->use_end(); UI != E; ++UI) { - Instruction *U = cast<Instruction>(*UI); - if (!L->contains(U)) + Instruction *U = dyn_cast<Instruction>(*UI); + if (!U || !L->contains(U)) continue; Worklist.push_back(U); |