intrinsics. In fact, we'll optimize a bitcast to that when possible. Detect it
when looking for the lifetime intrinsics.
No test case, noticed by inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132906
91177308-0d34-0410-b5e6-
96231b3b80d8
if (AI->getType() == Int8PtrTy)
return isUsedByLifetimeMarker(AI);
- // Do a scan to find all the bitcasts to i8*.
+ // Do a scan to find all the bitcasts or GEPs to i8*.
for (Value::use_iterator I = AI->use_begin(), E = AI->use_end(); I != E;
++I) {
if (I->getType() != Int8PtrTy) continue;
- if (!isa<BitCastInst>(*I)) continue;
+ if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(*I)) {
+ if (!GEPI->hasAllZeroIndices()) continue;
+ } else if (!isa<BitCastInst>(*I)) {
+ continue;
+ }
if (isUsedByLifetimeMarker(*I))
return true;
}