diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp index 877050ec177..e703014bb0e 100644 --- a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp +++ b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp @@ -594,11 +594,9 @@ static bool memoryIsNotModifiedBetween(Instruction *FirstI, } for (; BI != EI; ++BI) { Instruction *I = &*BI; - if (I->mayWriteToMemory() && I != SecondI) { - auto Res = AA->getModRefInfo(I, MemLoc); - if (Res & MRI_Mod) + if (I->mayWriteToMemory() && I != SecondI) + if (isModSet(AA->getModRefInfo(I, MemLoc))) return false; - } } if (B != FirstBB) { assert(B != &FirstBB->getParent()->getEntryBlock() && @@ -822,9 +820,7 @@ static bool handleEndBlock(BasicBlock &BB, AliasAnalysis *AA, // the call is live. DeadStackObjects.remove_if([&](Value *I) { // See if the call site touches the value. - ModRefInfo A = AA->getModRefInfo(CS, I, getPointerSize(I, DL, *TLI)); - - return A == MRI_ModRef || A == MRI_Ref; + return isRefSet(AA->getModRefInfo(CS, I, getPointerSize(I, DL, *TLI))); }); // If all of the allocas were clobbered by the call then we're not going @@ -1255,7 +1251,7 @@ static bool eliminateDeadStores(BasicBlock &BB, AliasAnalysis *AA, if (DepWrite == &BB.front()) break; // Can't look past this instruction if it might read 'Loc'. - if (AA->getModRefInfo(DepWrite, Loc) & MRI_Ref) + if (isRefSet(AA->getModRefInfo(DepWrite, Loc))) break; InstDep = MD->getPointerDependencyFrom(Loc, /*isLoad=*/ false, |
