diff options
Diffstat (limited to 'lib/Transforms/Utils/PromoteMemoryToRegister.cpp')
| -rw-r--r-- | lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp index ee8300215f..294c39a08f 100644 --- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp +++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp @@ -79,6 +79,9 @@ static inline bool isSafeAlloca(const AllocaInst *AI) { // Only allow nonindexed memory access instructions... if (MemAccessInst *MAI = dyn_cast<MemAccessInst>(*UI)) { + if (MAI->getPointerOperand() != (Value*)AI) + return false; // Reject stores of alloca pointer into some other loc. + if (MAI->hasIndices()) { // indexed? // Allow the access if there is only one index and the index is // zero. |