diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopUnswitch.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopUnswitch.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp index 38d267a..b7adfdc 100644 --- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp +++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp @@ -404,12 +404,13 @@ bool LoopUnswitch::IsTrivialUnswitchCondition(Value *Cond, Constant **Val, bool LoopUnswitch::UnswitchIfProfitable(Value *LoopCond, Constant *Val){ initLoopData(); - Function *F = loopHeader->getParent(); // If LoopSimplify was unable to form a preheader, don't do any unswitching. if (!loopPreheader) return false; + Function *F = loopHeader->getParent(); + // If the condition is trivial, always unswitch. There is no code growth for // this case. if (!IsTrivialUnswitchCondition(LoopCond)) { |