diff options
Diffstat (limited to 'lib/Analysis/MemoryDependenceAnalysis.cpp')
| -rw-r--r-- | lib/Analysis/MemoryDependenceAnalysis.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp index a412425770..5f640c01d2 100644 --- a/lib/Analysis/MemoryDependenceAnalysis.cpp +++ b/lib/Analysis/MemoryDependenceAnalysis.cpp @@ -374,10 +374,16 @@ getPointerDependencyFrom(const AliasAnalysis::Location &MemLoc, bool isLoad, if (R == AliasAnalysis::MustAlias) return MemDepResult::getDef(Inst); +#if 0 // FIXME: Temporarily disabled. GVN is cleverly rewriting loads + // in terms of clobbering loads, but since it does this by looking + // at the clobbering load directly, it doesn't know about any + // phi translation that may have happened along the way. + // If we have a partial alias, then return this as a clobber for the // client to handle. if (R == AliasAnalysis::PartialAlias) return MemDepResult::getClobber(Inst); +#endif // Random may-alias loads don't depend on each other without a // dependence. |