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Don't delete blocks which have their address taken.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85572 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-10-30 02:13:27 +00:00
parent dfbbf6e023
commit ab918103d2
1 changed files with 3 additions and 2 deletions
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5
lib/CodeGen/BranchFolding.cpp
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@ -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;