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| author | Devang Patel <dpatel@apple.com> | 2009-10-13 22:56:32 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-10-13 22:56:32 +0000 |
| commit | 228ebd0f4cf9207d32d61ef4b11b81736895dc09 (patch) | |
| tree | 500e553f1dc26896a867dff04eca76207a6cf113 /lib/Transforms/Scalar/LoopUnswitch.cpp | |
| parent | e72142aa5b8bcd9266a5a2f88e4e227dd178f233 (diff) | |
Check void type before using RAUWd.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84049 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnswitch.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnswitch.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp index 07ee071d00..a217a32db0 100644 --- a/lib/Transforms/Scalar/LoopUnswitch.cpp +++ b/lib/Transforms/Scalar/LoopUnswitch.cpp @@ -781,7 +781,10 @@ void LoopUnswitch::RemoveBlockIfDead(BasicBlock *BB, // Anything that uses the instructions in this basic block should have their // uses replaced with undefs. - I->replaceAllUsesWith(UndefValue::get(I->getType())); + // If I is not void type then replaceAllUsesWith undef. + // This allows ValueHandlers and custom metadata to adjust itself. + if (I->getType() != Type::getVoidTy(I->getContext())) + I->replaceAllUsesWith(UndefValue::get(I->getType())); } // If this is the edge to the header block for a loop, remove the loop and |