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When we delete instructions from the loop, make sure to remove them from the
AliasSetTracker as well. llvm-svn: 10507
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@ -387,6 +387,7 @@ void LICM::sink(Instruction &I) {
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if (ExitBlocks.size() == 1) {
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if (!isExitBlockDominatedByBlockInLoop(ExitBlocks[0], I.getParent())) {
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// Instruction is not used, just delete it.
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CurAST->remove(&I);
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I.getParent()->getInstList().erase(&I);
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} else {
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// Move the instruction to the start of the exit block, after any PHI
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@ -399,6 +400,7 @@ void LICM::sink(Instruction &I) {
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}
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} else if (ExitBlocks.size() == 0) {
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// The instruction is actually dead if there ARE NO exit blocks.
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CurAST->remove(&I);
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I.getParent()->getInstList().erase(&I);
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} else {
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// Otherwise, if we have multiple exits, use the PromoteMem2Reg function to
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