Don't delete one more instruction than we're allowed to. This should fix the
Darwin bootstrap. Testcase exists but isn't fully reduced, I expect to commit
the testcase this evening.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160693 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 60ce958..72623a3 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -442,12 +442,14 @@
Dead[i].second->eraseFromParent();
Instruction *I = Dead[i].first;
do {
+ if (isAllocationFn(I))
+ break;
Instruction *J = dyn_cast<Instruction>(I->getOperand(0));
if (!J)
break;
I->eraseFromParent();
I = J;
- } while (!isAllocationFn(I));
+ } while (1);
I->eraseFromParent();
}
}