Tweak check to avoid integer overflow (for insanely large alignments)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174482 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2013-02-06 02:06:33 +00:00
parent c342d9d345
commit 607acd66f4

View File

@ -3520,7 +3520,7 @@ void SelectionDAGBuilder::visitAtomicLoad(const LoadInst &I) {
EVT VT = TLI.getValueType(I.getType());
if (I.getAlignment() * 8 < VT.getSizeInBits())
if (I.getAlignment() < VT.getSizeInBits() / 8)
report_fatal_error("Cannot generate unaligned atomic load");
SDValue L =
@ -3550,7 +3550,7 @@ void SelectionDAGBuilder::visitAtomicStore(const StoreInst &I) {
EVT VT = TLI.getValueType(I.getValueOperand()->getType());
if (I.getAlignment() * 8 < VT.getSizeInBits())
if (I.getAlignment() < VT.getSizeInBits() / 8)
report_fatal_error("Cannot generate unaligned atomic store");
if (TLI.getInsertFencesForAtomic())