diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/Attributor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/Attributor.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp index dff7011061a..05686921a65 100644 --- a/llvm/lib/Transforms/IPO/Attributor.cpp +++ b/llvm/lib/Transforms/IPO/Attributor.cpp @@ -1592,8 +1592,10 @@ struct AANoAliasCallSiteArgument final : AANoAliasImpl { /// See AbstractAttribute::initialize(...). void initialize(Attributor &A) override { - // TODO: It isn't sound to initialize as the same with `AANoAliasImpl` - // because `noalias` may not be valid in the current position. + // See callsite argument attribute and callee argument attribute. + ImmutableCallSite ICS(&getAnchorValue()); + if (ICS.paramHasAttr(getArgNo(), Attribute::NoAlias)) + indicateOptimisticFixpoint(); } /// See AbstractAttribute::updateImpl(...). |
