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-rw-r--r--lib/CodeGen/BranchFolding.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index 9746fb3ea2..455da1ad11 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -881,8 +881,9 @@ bool BranchFolder::OptimizeBlock(MachineBasicBlock *MBB) {
// If this block is empty, make everyone use its fall-through, not the block
// explicitly. Landing pads should not do this since the landing-pad table
- // points to this block.
- if (MBB->empty() && !MBB->isLandingPad()) {
+ // points to this block. Blocks with their addresses taken shouldn't be
+ // optimized away.
+ if (MBB->empty() && !MBB->isLandingPad() && !MBB->hasAddressTaken()) {
// Dead block? Leave for cleanup later.
if (MBB->pred_empty()) return MadeChange;