diff options
Diffstat (limited to 'llvm/lib/Analysis')
| -rw-r--r-- | llvm/lib/Analysis/Loads.cpp | 6 | ||||
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 15 |
2 files changed, 18 insertions, 3 deletions
diff --git a/llvm/lib/Analysis/Loads.cpp b/llvm/lib/Analysis/Loads.cpp index 6bf0d2f..5916d2a 100644 --- a/llvm/lib/Analysis/Loads.cpp +++ b/llvm/lib/Analysis/Loads.cpp @@ -364,7 +364,7 @@ bool llvm::isSafeToLoadUnconditionally(Value *V, Align Alignment, APInt &Size, if (Size.getBitWidth() > 64) return false; - const uint64_t LoadSize = Size.getZExtValue(); + const TypeSize LoadSize = TypeSize::getFixed(Size.getZExtValue()); // Otherwise, be a little bit aggressive by scanning the local block where we // want to check to see if the pointer is already being loaded or stored @@ -414,11 +414,11 @@ bool llvm::isSafeToLoadUnconditionally(Value *V, Align Alignment, APInt &Size, // Handle trivial cases. if (AccessedPtr == V && - LoadSize <= DL.getTypeStoreSize(AccessedTy)) + TypeSize::isKnownLE(LoadSize, DL.getTypeStoreSize(AccessedTy))) return true; if (AreEquivalentAddressValues(AccessedPtr->stripPointerCasts(), V) && - LoadSize <= DL.getTypeStoreSize(AccessedTy)) + TypeSize::isKnownLE(LoadSize, DL.getTypeStoreSize(AccessedTy))) return true; } return false; diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 04f3172..653b3d4 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -7194,6 +7194,21 @@ bool llvm::propagatesPoison(const Use &PoisonOp) { // corresponding lanes are poison. return true; case Intrinsic::ctpop: + case Intrinsic::ctlz: + case Intrinsic::cttz: + case Intrinsic::abs: + case Intrinsic::smax: + case Intrinsic::smin: + case Intrinsic::umax: + case Intrinsic::umin: + case Intrinsic::bitreverse: + case Intrinsic::bswap: + case Intrinsic::sadd_sat: + case Intrinsic::ssub_sat: + case Intrinsic::sshl_sat: + case Intrinsic::uadd_sat: + case Intrinsic::usub_sat: + case Intrinsic::ushl_sat: return true; } } |