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| 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 | e297149e267e05159db4dc490493fddcb3784d95 (patch) | |
| tree | 4f49152e0dfd1305070ba4ab33c516f5fe31ebab /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | 46ed1f83414d1e93e5af6a8145526c0d216861c1 (diff) | |
| download | llvm-e297149e267e05159db4dc490493fddcb3784d95.zip llvm-e297149e267e05159db4dc490493fddcb3784d95.tar.gz llvm-e297149e267e05159db4dc490493fddcb3784d95.tar.bz2 | |
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.
llvm-svn: 84987
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index b622611..940f5a9 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/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; |