diff options
| author | Victor Hernandez <vhernandez@apple.com> | 2009-10-24 04:23:03 +0000 |
|---|---|---|
| committer | Victor Hernandez <vhernandez@apple.com> | 2009-10-24 04:23:03 +0000 |
| commit | 66284e063a1e46500acae48bdc0e4a00652021d1 (patch) | |
| tree | 7326efcf20c334046c044082a205dc2eb1f17466 /lib/Transforms/Utils/Local.cpp | |
| parent | 5a850beb2e3032e6ff3474ce5317f5454060328c (diff) | |
Auto-upgrade free instructions to calls to the builtin free function.
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84987 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | lib/Transforms/Utils/Local.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp index b62261119c..940f5a9ec4 100644 --- a/lib/Transforms/Utils/Local.cpp +++ b/lib/Transforms/Utils/Local.cpp @@ -24,6 +24,7 @@ #include "llvm/ADT/SmallPtrSet.h" #include "llvm/Analysis/ConstantFolding.h" #include "llvm/Analysis/DebugInfo.h" +#include "llvm/Analysis/MallocHelper.h" #include "llvm/Analysis/ProfileInfo.h" #include "llvm/Target/TargetData.h" #include "llvm/Support/GetElementPtrTypeIterator.h" @@ -59,7 +60,7 @@ bool llvm::isSafeToLoadUnconditionally(Value *V, Instruction *ScanFrom) { // If we see a free or a call which may write to memory (i.e. which might do // a free) the pointer could be marked invalid. - if (isa<FreeInst>(BBI) || + if (isa<FreeInst>(BBI) || isFreeCall(BBI) || (isa<CallInst>(BBI) && BBI->mayWriteToMemory() && !isa<DbgInfoIntrinsic>(BBI))) return false; |